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source: trunk/debbuild@ 177

Last change on this file since 177 was 177, checked in by kdeugau, 11 years ago

/trunk

Tweak handling for Section: a little so subpackages inherit the
parent section if none was specified in the sub's %package stanza

Property svn:executable set to *
Property svn:keywords set to Date Rev Author

File size: 69.0 KB

Rev	Line
[93]	1	#!/usr/bin/perl -w
[2]	2	# debbuild script
[86]	3	# Shamelessly steals interface from rpm's "rpmbuild" to create
[2]	4	# Debian packages. Please note that such packages are highly
	5	# unlikely to conform to "Debian Policy".
	6	###
	7	# SVN revision info
	8	# $Date: 2013-01-08 21:07:06 +0000 (Tue, 08 Jan 2013) $
	9	# SVN revision $Rev: 177 $
	10	# Last update by $Author: kdeugau $
	11	###
[163]	12	# Copyright (C) 2005-2012 Kris Deugau <kdeugau@deepnet.cx>
[56]	13	#
	14	# This program is free software; you can redistribute it and/or modify
	15	# it under the terms of the GNU General Public License as published by
	16	# the Free Software Foundation; either version 2 of the License, or
	17	# (at your option) any later version.
	18	#
	19	# This program is distributed in the hope that it will be useful,
	20	# but WITHOUT ANY WARRANTY; without even the implied warranty of
	21	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	22	# GNU General Public License for more details.
	23	#
	24	# You should have received a copy of the GNU General Public License
	25	# along with this program; if not, write to the Free Software
	26	# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
[2]	27
[5]	28	use strict;
[6]	29	use warnings;
[7]	30	use Fcntl; # for sysopen flags
[36]	31	use Cwd 'abs_path'; # for finding where files really are
[113]	32	use Config;
[5]	33
[163]	34	my $version = "0.9"; #VERSION#
	35
[10]	36	# regex debugger
	37	#use re "debug";
	38
[163]	39	# Behavioural compatibility FTW! Yes, rpmbuild does this too.
[130]	40	die "No .spec file to work with! Exiting.\n" if scalar(@ARGV) == 0;
	41
[3]	42	# Program flow:
	43	# -> Parse/execute "system" config/macros (if any - should be rare)
	44	# -> Parse/execute "user" config/macros (if any - my requirement is %_topdir)
	45	# -> Parse command line for options, spec file/tarball/.src.deb (NB - also accept .src.rpm)
	46
[30]	47	sub expandmacros;
	48
[2]	49	# User's prefs for dirs, environment, etc,etc,etc.
	50	# config file ~/.debmacros
	51	# Default ordered search paths for config/macros:
	52	# /usr/lib/rpm/rpmrc /usr/lib/rpm/redhat/rpmrc /etc/rpmrc ~/.rpmrc
	53	# /usr/lib/rpm/macros /usr/lib/rpm/redhat/macros /etc/rpm/macros ~/.rpmmacros
	54	# **NOTE: May be possible to (ab)use bits of debhelper
	55
	56	# Build tree
	57	# default is /usr/src/debian/{BUILD,SOURCES,SPECS,DEBS,SDEBS}
	58
[3]	59	# Globals
[77]	60	my $finalmessages = ''; # A place to stuff messages that I want printed at the very end of any processing.
[3]	61	my $specfile;
	62	my $tarball;
	63	my $srcpkg;
[7]	64	my $cmdbuildroot;
[95]	65	my $tarballdir = '%{name}-%{version}'; # We do this in case of a spec file not using %setup...
[23]	66	my %specglobals; # For %define's in specfile, among other things.
[6]	67
[98]	68	$specglobals{'_vendor'} = 'debbuild';
[148]	69	$specglobals{'vendor'} = 'debbuild';
[98]	70
[6]	71	# Initialized globals
[3]	72	my $verbosity = 0;
[112]	73	my $NoAutoReq = 0;
[4]	74	my %cmdopts = (type => '',
	75	stage => 'a',
	76	short => 'n'
	77	);
[6]	78	my $topdir = "/usr/src/debian";
[136]	79	#my $specglobals{buildroot} = "%{_tmppath}/%{name}-%{version}-%{release}.root".int(rand(99998)+1);
[170]	80	$specglobals{buildroot} = '%{_topdir}/BUILDROOT/%{name}-%{version}-%{release}';
[6]	81
	82	# "Constants"
[4]	83	my %targets = ('p' => 'Prep',
	84	'c' => 'Compile',
	85	'i' => 'Install',
	86	'l' => 'Verify %files',
	87	'a' => 'Build binary and source',
	88	'b' => 'Build binary',
	89	's' => 'Build source'
	90	);
[87]	91	# Ah, the joys of multiple architectures. :( Feh.
	92	# As copied from rpm
	93	my %optflags = ( 'i386' => '-O2 -g -march=i386 -mcpu=i686',
	94	'amd64' => '-O2 -g'
	95	);
	96	my $hostarch; # we set this later...
[6]	97	my $scriptletbase =
[169]	98	q(#!/bin/bash
[3]	99
[6]	100	RPM_SOURCE_DIR="%{_topdir}/SOURCES"
	101	RPM_BUILD_DIR="%{_topdir}/BUILD"
[87]	102	RPM_OPT_FLAGS="%{optflags}"
	103	RPM_ARCH="%{_arch}"
[6]	104	RPM_OS="linux"
	105	export RPM_SOURCE_DIR RPM_BUILD_DIR RPM_OPT_FLAGS RPM_ARCH RPM_OS
	106	RPM_DOC_DIR="/usr/share/doc"
	107	export RPM_DOC_DIR
	108	RPM_PACKAGE_NAME="%{name}"
	109	RPM_PACKAGE_VERSION="%{version}"
	110	RPM_PACKAGE_RELEASE="%{release}"
	111	export RPM_PACKAGE_NAME RPM_PACKAGE_VERSION RPM_PACKAGE_RELEASE
	112	RPM_BUILD_ROOT="%{buildroot}"
	113	export RPM_BUILD_ROOT
[10]	114	);
	115	foreach (`dpkg-architecture`) {
	116	s/=(.+)/="$1"/;
	117	$scriptletbase .= " $_";
[90]	118	($hostarch) = (/^DEB_HOST_ARCH="(.+)"$/) if /DEB_HOST_ARCH=/;
[10]	119	}
	120	$scriptletbase .=
	121	q(
[6]	122	set -x
	123	umask 022
	124	cd %{_topdir}/BUILD
	125	);
	126
[102]	127	# Hackery to try to bring some semblance of sanity to packages built for more
	128	# than one Debian version at the same time. Whee.
[163]	129	# /etc/debian-version and/or version of base-files package
[102]	130	my %distmap = (
	131	"3.1.9ubuntu7.1" => "dapper",
	132	"4ubuntu2" => "feisty",
	133	"3.0" => "woody",
	134	"3.1" => "sarge",
	135	"4" => "etch",
[151]	136	"5" => "lenny",
[162]	137	"6.0" => "squeeze",
[175]	138	"7.0" => "wheezy",
	139	"8.0" => "jessie",
[151]	140	"99" => "sid");
[102]	141	# Enh. There doesn't seem to be any better way to do this... :(
	142	{
[151]	143	# could theoretically also do something with this... it's about as stable as "dpkg-query ..." below... :(
	144	# my $releasever = qx { cat /etc/debian_version };
	145	# chomp $releasever;
	146	my $basever;
[102]	147
[151]	148	if ( ! -e '/usr/bin/dpkg-query' ) {
	149	# call it woody, since sarge and newer have dpkg-query, and we don't much care about obsolete^n releases
	150	$basever = "3.0";
	151	} else {
	152
[162]	153	# eyeroll there really has to be a better way to go about this. You
	154	# can't sanely build packages for multiple distro targets if you can't
	155	# programmatically figure out which one you're building on.
	156
	157	# note that we care only about major release numbers; tracking minor or point
	158	# releases would be... exponentially more painful.
	159
[151]	160	# for the lazy copy-paster: dpkg-query --showformat '${version}\n' -W base-files
	161	# avoid shellisms
	162	if (open BASEGETTER, "-\|", "dpkg-query", "--showformat", '${version}', "-W", "base-files") {
	163	$basever = <BASEGETTER>;
	164	close BASEGETTER;
	165
[162]	166	($basever) = ($basever =~ /^(\d(?:\.\d)?)/);
[151]	167	}
	168
	169	} # got dpkg-query?
	170
[102]	171	$specglobals{"debdist"} = $distmap{$basever};
[151]	172	$specglobals{"debver"} = $basever; # this may have trouble with Ubuntu versions?
[102]	173
[151]	174	} # done trying to set debian dist/version
	175
[5]	176	# Package data
	177	# This is the form of $pkgdata{pkgname}{meta}
	178	# meta includes Summary, Name, Version, Release, Group, Copyright,
[138]	179	# Source, URL, Packager, BuildRoot, Description, BuildRequires,
[38]	180	# Requires, Provides
[6]	181	# 10/31/2005 Maybe this should be flatter? -kgd
[171]	182	my %pkgdata = (main => {source => ''});
[27]	183	my @pkglist = ('main'); #sigh
[23]	184	# Files listing. Embedding this in %pkgdata would be, um, messy.
	185	my %filelist;
[110]	186	my %doclist;
[40]	187	my $buildreq = '';
[5]	188
[6]	189	# Scriptlets
[48]	190	my $prepscript = '';
	191	my $buildscript = '';
[23]	192	# %install doesn't need the full treatment from %clean; just an empty place to install to.
	193	# NB - rpm doesn't do this; is it really necessary?
	194	my $installscript = '[ "$RPM_BUILD_ROOT" != "/" ] && rm -rf $RPM_BUILD_ROOT'."\n";
[48]	195	my $cleanscript = '';
[6]	196
[13]	197	# Snag some environment data
	198	my $tmpdir;
	199	if (defined $ENV{TMP} && $ENV{TMP} =~ /^(\/var)?\/tmp$/) {
	200	$tmpdir = $ENV{TMP};
	201	} else {
	202	$tmpdir = "/var/tmp";
	203	}
	204
[7]	205	##main
	206
[4]	207	load_userconfig();
[3]	208	parse_cmd();
	209
[50]	210	if ($cmdopts{install}) {
	211	install_sdeb();
	212	exit 0;
	213	}
	214
[81]	215	# output stage of --showpkgs
[71]	216	if ($cmdopts{type} eq 'd') {
	217	parse_spec();
	218	foreach my $pkg (@pkglist) {
	219	$pkgdata{$pkg}{name} =~ tr/_/-/;
	220
[111]	221	my $pkgfullname = "$pkgdata{$pkg}{name}_".
	222	(defined($pkgdata{main}{epoch}) ? "$pkgdata{main}{epoch}:" : '').
	223	"$pkgdata{$pkg}{version}-$pkgdata{main}{release}_$pkgdata{$pkg}{arch}.deb";
[71]	224
[76]	225	print "$pkgfullname\n" if $filelist{$pkg};
[79]	226
[71]	227	}
[80]	228	# Source package
[111]	229	print "$pkgdata{main}{name}-".
	230	(defined($pkgdata{main}{epoch}) ? "$pkgdata{main}{epoch}:" : '').
	231	"$pkgdata{main}{version}-$pkgdata{main}{release}.sdeb\n";
[71]	232	exit 0;
	233	}
	234
[50]	235	# Stick --rebuild handling in here - basically install_sdeb()
	236	# followed by tweaking options to run with -ba
[54]	237	if ($cmdopts{type} eq 's') {
[55]	238	if ($srcpkg =~ /\.src\.rpm$/) {
[58]	239	my @srclist = qx { rpm -qlp $srcpkg };
[55]	240	foreach (@srclist) {
[54]	241	chomp;
[55]	242	$specfile = "$topdir/SPECS/$_" if /\.spec$/;
[54]	243	}
[55]	244	qx { rpm -i $srcpkg };
	245	} else {
	246	install_sdeb();
	247	my @srclist = qx { pax < $srcpkg };
	248	foreach (@srclist) {
	249	chomp;
	250	$specfile = "$topdir/$_" if /SPECS/;
	251	}
[54]	252	}
[55]	253	$cmdopts{type} = 'b';
	254	$cmdopts{stage} = 'a';
[54]	255	}
[50]	256
[7]	257	if ($cmdopts{type} eq 'b') {
	258	# Need to read the spec file to find the tarball. Note that
	259	# this also generates most of the shell script required.
	260	parse_spec();
[38]	261	die "Can't build $pkgdata{main}{name}: build requirements not met.\n"
	262	if !checkbuildreq();
[7]	263	}
	264
[65]	265	if ($cmdopts{type} eq 't') {
	266	# Need to unpack the tarball to find the spec file. Sort of the inverse of -b above.
	267	# zcat $tarball \|tar -t \|grep .spec
	268	# collect some info about the tarball
[99]	269	$specfile = "$topdir/BUILD/". qx { zcat $tarball \|tar -t \|grep -e '[\.]spec\$' };
[65]	270	chomp $specfile;
[174]	271	my ($fileonly, $dirname) = ($tarball =~ /(([a-zA-Z0-9._-]+)\.tar\.(?:gz\|bz2\|xz))$/);
[65]	272
	273	$tarball = abs_path($tarball);
[174]	274	##fixme: use macro expansions for the executables
	275	my $unpackcmd = "cd $topdir/BUILD; ".
	276	( $tarball =~ /\.tar\.gz$/ ? "/bin/gzip" : "" ).
	277	( $tarball =~ /\.tar\.bz2$/ ? "/bin/bzip2" : "" ).
	278	( $tarball =~ /\.tar\.(?:gz\|Z)$/ ? "/usr/bin/xz" : "" ).
	279	" -dc $tarball \|/bin/tar -xf -";
	280
[65]	281	system "$unpackcmd";
	282	system "cp $tarball $topdir/SOURCES/$fileonly";
	283	system "cp $specfile $topdir/SPECS/";
	284	parse_spec();
	285	die "Can't build $pkgdata{main}{name}: build requirements not met.\n"
	286	if !checkbuildreq();
	287	}
	288
[35]	289	# -> srcpkg if -.s
	290	if ($cmdopts{stage} eq 's') {
	291	srcpackage();
[170]	292	print $finalmessages;
[35]	293	exit 0;
	294	}
	295
[4]	296	# Hokay. Need to:
[14]	297	# -> prep if -.p OR (-.[cilabs] AND !--short-circuit)
[7]	298	if ($cmdopts{stage} eq 'p' \|\| ($cmdopts{stage} =~ /[cilabs]/ && $cmdopts{short} ne 'y')) {
	299	prep();
	300	}
[14]	301	# -> build if -.c OR (-.[ilabs] AND !--short-circuit)
[7]	302	if ($cmdopts{stage} eq 'c' \|\| ($cmdopts{stage} =~ /[ilabs]/ && $cmdopts{short} ne 'y')) {
	303	build();
	304	}
[14]	305	# -> install if -.[ilabs]
[28]	306	#if ($cmdopts{stage} eq 'i' \|\| ($cmdopts{stage} =~ /[labs]/ && $cmdopts{short} ne 'y')) {
	307	if ($cmdopts{stage} =~ /[ilabs]/) {
[7]	308	install();
[30]	309	#foreach my $pkg (@pkglist) {
	310	# print "files in $pkg:\n ".$filelist{$pkg}."\n";
	311	#}
	312
[7]	313	}
[14]	314	# -> binpkg and srcpkg if -.a
[7]	315	if ($cmdopts{stage} eq 'a') {
[4]	316	binpackage();
[7]	317	srcpackage();
[97]	318	clean();
[4]	319	}
[14]	320	# -> binpkg if -.b
[7]	321	if ($cmdopts{stage} eq 'b') {
	322	binpackage();
[97]	323	clean();
[7]	324	}
[4]	325
[77]	326	# Spit out any closing remarks
	327	print $finalmessages;
	328
[4]	329	# Just in case.
	330	exit 0;
	331
	332
	333	## load_userconfig()
	334	# Loads user configuration (if any)
	335	# Currently only handles .debmacros
	336	# Needs to handle "other files"
	337	sub load_userconfig {
[96]	338	my $homedir = (getpwuid($<))[7];
[4]	339	if (-e "$homedir/.debmacros") {
	340	open USERMACROS,"<$homedir/.debmacros";
	341	while (<USERMACROS>) {
[7]	342	# And we also only handle a few macros at the moment.
[4]	343	if (/^\%_topdir/) {
[5]	344	my (undef,$tmp) = split /\s+/, $_;
	345	$topdir = $tmp;
[4]	346	}
[96]	347	next if /^\%_/;
	348	# Allow arbitrary definitions. Note that we're only doing simple defs here for now.
	349	if (/^\%([a-z0-9]+)\s+(.+)$/) {
	350	$specglobals{$1} = $2;
	351	}
[4]	352	}
	353	}
	354	} # end load_userconfig()
	355
	356
[3]	357	## parse_cmd()
[4]	358	# Parses command line into global hash %cmdopts, other globals
[3]	359	# Options based on rpmbuild's options
	360	sub parse_cmd {
	361	# Don't feel like coding my own option parser...
	362	#use Getopt::Long;
	363	# ... but I may have to: (OTOH, rpm uses popt, so maybe we can too.)
	364	#use Getopt::Popt qw(:all);
[4]	365	# Or not. >:( Stupid Debian lack of findable Perl module names in packages.
[3]	366
[163]	367	# ... also note, single-character options are mostly not flags, so they can't be
	368	# sanely combined the way most other programs' single-character flag options can.
	369
[3]	370	# Stuff it.
[4]	371	my $prevopt = '';
[3]	372	foreach (@ARGV) {
	373	chomp;
[7]	374
[3]	375	# Is it an option?
	376	if (/^-/) {
[7]	377
[3]	378	# Is it a long option?
	379	if (/^--/) {
[4]	380	if (/^--short-circuit/) {
	381	$cmdopts{short} = 'y';
[5]	382	} elsif (/^--rebuild/) {
	383	$cmdopts{type} = 's';
[71]	384	} elsif (/^--showpkgs/) {
	385	$cmdopts{type} = 'd'; # d for 'diagnostic' or 'debug' or 'dump'
[163]	386	} elsif (/^--help/) {
	387	print "debbuild v$version".q{
	388	Copyright 2005-2012 Kris Deugau <kdeugau@deepnet.cx>
	389
	390	Build .deb packages from RPM-style .spec files
	391	debbuild supports most package-building options rpmbuild does.
	392
	393	Build options with [ <specfile> \| <tarball> \| <source package> ]:
	394	-bp build through %prep (unpack sources and apply patches) from <specfile>
	395	-bc build through %build (%prep, then compile) from <specfile>
	396	-bi build through %install (%prep, %build, then install) from <specfile>
	397	-bl verify %files section from <specfile>
	398	-ba build source and binary packages from <specfile>
	399	-bb build binary package only from <specfile>
	400	-bs build source package only from <specfile>
	401	-tp build through %prep (unpack sources and apply patches) from <tarball>
	402	-tc build through %build (%prep, then compile) from <tarball>
	403	-ti build through %install (%prep, %build, then install) from <tarball>
	404	-ta build source and binary packages from <tarball>
	405	-tb build binary package only from <tarball>
	406	-ts build source package only from <tarball>
	407	--rebuild build binary package from <source package>
	408	--buildroot=DIRECTORY override build root
	409	--short-circuit skip straight to specified stage (only for c,i)
	410
	411	Common options:
	412	-D, --define='MACRO EXPR' define MACRO with value EXPR
	413
	414	debbuild-specific options:
	415	-i Unpack a .sdeb in the %_topdir tree
	416	--showpkgs Show package names that would be built. Only works with .spec files.
	417
	418	};
	419	exit;
	420
[94]	421	} elsif (/^--define/) {
	422	# nothing to do? Can't see anything needed, we handle the actual definition later.
[122]	423	##fixme
	424	# add --self-package here
	425	# deps build-essential pax fakeroot
[4]	426	} else {
[93]	427	print "Long option $_ not handled\n";
[4]	428	}
[3]	429	} else {
[14]	430	# Not a long option
[5]	431	if (/^-[bt]/) {
	432	if ($cmdopts{stage} eq 's') {
	433	# Mutually exclusive options.
	434	die "Can't use $_ with --rebuild\n";
	435	} else {
[14]	436	# Capture the type (from "bare" files or tarball) and the stage (prep, build, etc)
[5]	437	($cmdopts{stage}) = (/^-[bt]([pcilabs])/);
	438	($cmdopts{type}) = (/^-([bt])[pcilabs]/);
	439	}
[4]	440	} elsif (/^-v/) {
	441	# bump verbosity. Not sure what I'll actually do here...
[50]	442	} elsif (/^-i/) {
	443	$cmdopts{install} = 1;
	444	$prevopt = '-i';
[163]	445	} elsif (/^-D/) {
	446	# --define. nothing to do on this round; actual work is done next time.
[4]	447	} else {
	448	die "Bad option $_\n";
	449	}
[3]	450	}
[14]	451
	452	} else { # Not an option argument
	453
[5]	454	# --buildroot is the only option that takes an argument
	455	# Therefore, any other bare arguments are the spec file,
	456	# tarball, or source package we're operating on - depending
	457	# on which one we meet.
	458	if ($prevopt eq '--buildroot') {
[7]	459	$cmdbuildroot = $_;
[163]	460	} elsif ($prevopt eq '--define' \|\| $prevopt eq '-D') {
[118]	461	my ($macro,$value) = (/([a-z0-9_.-]+)(?:\s+(.+))?/i);
[127]	462	if ($value ne '') {
[94]	463	$specglobals{$macro} = $value;
	464	} else {
	465	warn "WARNING: missing value for macro $macro in --define! Ignoring.\n";
	466	}
[50]	467	} elsif ($prevopt eq '-i') {
	468	$srcpkg = $_;
[5]	469	} else {
	470	if ($cmdopts{type} eq 's') {
	471	# Source package
[50]	472	if (!/(sdeb\|\.src\.rpm)$/) {
[5]	473	die "Can't --rebuild with $_\n";
	474	}
[50]	475	$srcpkg = $_;
[71]	476	} elsif ($cmdopts{type} eq 'b' \|\| $cmdopts{type} eq 'd') {
[65]	477	# Spec file
[5]	478	$specfile = $_;
	479	} else {
[65]	480	# Tarball build. Need to extract tarball to find spec file. Whee.
	481	$tarball = $_;
[5]	482	}
	483	}
[3]	484	}
[7]	485	$prevopt = $_;
	486	} # foreach @ARGV
[4]	487
	488	# Some cross-checks. rpmbuild limits --short-circuit to just
	489	# the "compile" and "install" targets - with good reason IMO.
[14]	490	# Note that --short-circuit with -.p is not really an error, just redundant.
[4]	491	# NB - this is NOT fatal, just ignored!
[10]	492	if ($cmdopts{short} eq 'y' && $cmdopts{stage} =~ /[labs]/) {
[4]	493	warn "Can't use --short-circuit for $targets{$cmdopts{stage}} stage. Ignoring.\n";
[28]	494	$cmdopts{short} = 'n';
[4]	495	}
[14]	496
[3]	497	# Valid options, with example arguments (if any):
	498	# Build from .spec file; mutually exclusive:
	499	# -bp
	500	# -bc
	501	# -bi
	502	# -bl
	503	# -ba
	504	# -bb
	505	# -bs
	506	# Build from tarball; mutually exclusive:
	507	# -tp
	508	# -tc
	509	# -ti
	510	# -ta
	511	# -tb
	512	# -ts
	513	# Build from .src.(deb\|rpm)
	514	# --rebuild
	515	# --recompile
	516
	517	# General options
	518	# --buildroot=DIRECTORY
	519	# --clean
	520	# --nobuild
	521	# --nodeps
	522	# --nodirtokens
	523	# --rmsource
	524	# --rmspec
	525	# --short-circuit
	526	# --target=CPU-VENDOR-OS
	527
	528	#my $popt = new Getopt::Popt(argv => \@ARGV, options => \@optionsTable);
	529
	530	} # end parse_cmd()
	531
[4]	532
[5]	533	## parse_spec()
[14]	534	# Parse the .spec file.
[5]	535	sub parse_spec {
[130]	536	die "No .spec file specified! Exiting.\n" if !$specfile;
[65]	537	open SPECFILE,"<$specfile" or die "specfile ($specfile) barfed: $!";
[5]	538
[95]	539	my $iflevel = 0;
[87]	540	my $buildarch = $hostarch;
[88]	541	$pkgdata{main}{arch} = $hostarch;
[87]	542
[103]	543	my $stage = 'preamble';
	544	my $subname = 'main';
	545	my $scriptlet;
[14]	546
[103]	547	# Basic algorithm:
	548	# For each line
	549	# if it's a member of an %if construct, branch and see which segment of the
	550	# spec file we need to parse and which one gets discarded, then
	551	# short-circuit back to the top of the loop.
	552	# if it's a %section, bump the stage. Preparse addons to the %section line
	553	# (eg subpackage) and stuff them in suitable loop-global variables, then
	554	# short-circuit back to the top of the loop.
	555	# Otherwise, parse the line according to which section we're supposedly
	556	# parsing right now
[14]	557
[103]	558	LINE: while (<SPECFILE>) {
[109]	559	next if /^#/ && $stage eq 'preamble'; # Ignore comments...
	560	next if /^\s*$/ && $stage eq 'preamble'; # ... and blank lines.
[23]	561
[119]	562	# no sense in continuing if we find something we don't grok
	563	# Yes, this is really horribly fugly. But it's a cheap crosscheck against invalid
	564	# %-tags which also make rpmbuild barf. In theory.
	565	# notes: some of these are not entirely case-sensitive (%ifxxx), but most are.
	566	# Extracted from the Maximum RPM online doc via:
	567	# grep -h %[a-z] *\|perl -e 'while (<>) { /\%([a-z0-9]+)\b/; print "$1\|\n"; }'\|sort -u
	568	if (/^%[a-z]/ &&
[120]	569	$_ !~ /^%(?:attr\|build\|changelog\|check\|clean\|config\|configure\|defattr\|define\|description\|
[119]	570	dir\|doc\|docdir\|else\|endif\|files\|ghost\|if\|ifarch\|ifn\|ifnarch\|ifnos\|ifnxxx\|fos\|ifxxx\|
[133]	571	install\|makeinstall\|package\|patch\d+\|post\|postun\|pre\|prep\|preun\|readme\|setup\|
[119]	572	triggerin\|triggerpostun\|triggerun\|verify\|verifyscript)\b/x
	573	) {
	574	my ($badtag) = (/^%([a-z]+)/i);
	575	die "Unknown tag \%$badtag at line $. of $specfile\n";
	576	}
	577
[103]	578	# preprocess %define's
	579	if (my ($key, $def) = (/^\%define\s+([^\s]+)\s+(.+)$/) ) {
	580	$specglobals{$key} = expandmacros($def,'g');
	581	}
[98]	582
[103]	583	if (/^\%if/) {
	584	s/^\%if//;
	585	chomp;
	586	my $expr = expandmacros($_, 'g');
	587	$iflevel++;
[98]	588
[103]	589	if ($expr !~ /^\s\d+\s$/) {
	590	# gots a logic statement we want to turn into a 1 or a 0. most likely by eval'ing it.
[98]	591
[103]	592	$expr =~ s/\s+//g;
[98]	593
[104]	594	# For Great w00tness! New and Improved multilayered logic handling.
	595
	596	my @bits = split /\b/, $expr;
	597	$expr = '';
	598	foreach my $bit (@bits) {
	599	next if $bit eq '"';
	600	$bit =~ s/"//g;
	601	$expr .= qq("$bit") if $bit =~ /^\w+$/;
	602	$expr .= $bit if $bit !~ /^\w+$/;
	603	}
	604
[103]	605	# Done in this order so we don't cascade incorrectly. Yes, those spaces ARE correct in the replacements!
[104]	606	$expr =~ s/==/ eq /g;
	607	$expr =~ s/!=/ ne /g;
	608	$expr =~ s/<=>/ cmp /g;
	609	$expr =~ s/<=/ le /g;
	610	$expr =~ s/>=/ ge /g;
	611	$expr =~ s/</ lt /g;
	612	$expr =~ s/>/ gt /g;
[98]	613
[103]	614	# Turn it into something that eval's to a number. Maybe not needed? O_o
	615	#$expr = "( $expr ? 1 : 0 )";
[98]	616
[103]	617	$expr = eval $expr;
[95]	618	}
[103]	619
	620	next LINE if $expr != 0; # This appears to be the only case we call false.
	621	while (<SPECFILE>) {
	622	if (/^\%endif/) {
	623	$iflevel--;
	624	next LINE;
	625	} elsif (/^\%else/) {
	626	next LINE;
	627	}
[95]	628	}
[103]	629	}
	630	if (/^\%else/) {
	631	while (<SPECFILE>) {
	632	if (/^\%endif/) {
	633	$iflevel--;
	634	next LINE;
	635	}
[95]	636	}
[103]	637	}
	638	if (/^\%endif/) {
	639	$iflevel--;
	640	next LINE;
	641	} # %if/%else/%endif
[95]	642
[126]	643	if (/^\%{echo:(.+)}/) {
	644	my $output = expandmacros($1, 'gp');
[136]	645	print "$output";
[126]	646	}
	647
[105]	648	# now we pick out the sections and set "state" to parse that section. Fugly but I can't see a better way. >:(
	649
[103]	650	if (/^\%description(?:\s+(?:-n\s+)?(.+))?/) {
[105]	651	$stage = 'desc';
[103]	652	$subname = "main";
	653	if ($1) { # Magic to add entries to the right package
[153]	654	my $tmp = expandmacros("$1", 'gp');
[103]	655	if (/-n/) { $subname = $tmp; } else { $subname = "$pkgdata{main}{name}-$tmp"; }
[18]	656	}
[105]	657	next LINE;
[103]	658	} # %description
	659
	660	if (/^\%package\s+(?:-n\s+)?(.+)/) {
	661	$stage = 'package';
	662	if ($1) { # Magic to add entries to the right package
[153]	663	my $tmp = expandmacros("$1", 'gp');
[103]	664	if (/-n/) { $subname = $tmp; } else { $subname = "$pkgdata{main}{name}-$tmp"; }
	665	}
	666	push @pkglist, $subname;
	667	$pkgdata{$subname}{name} = $subname;
	668	$pkgdata{$subname}{version} = $pkgdata{main}{version};
[87]	669	# Build "same arch as previous package found" by default. Where rpm just picks the
	670	# very last one, we want to allow arch<native>+arch-all
	671	# (eg, Apache is i386, but apache-manual is all)
[103]	672	$pkgdata{$subname}{arch} = $buildarch; # Since it's likely subpackages will NOT have a BuildArch line...
	673	next LINE;
	674	} # %package
	675
	676	if (/^\%prep/) {
	677	$stage = 'prep';
	678	# Replace some core macros
	679	$pkgdata{main}{source} = expandmacros($pkgdata{main}{source},'gp');
	680	next LINE;
	681	} # %prep
	682
	683	if (/^\%build/) {
	684	$stage = 'build';
	685	$buildscript .= "cd $tarballdir\n";
	686	next LINE;
	687	} # %build
	688
	689	if (/^\%install/) {
	690	$stage = 'install';
	691	$installscript .= "cd $tarballdir\n";
	692	next LINE;
	693	} # %install
	694
	695	if (/^\%clean/) {
	696	$stage = 'clean';
	697	$cleanscript .= "cd $tarballdir\n";
	698	next LINE;
	699	} # %clean
	700
	701	if (/^\%(pre\|post\|preun\|postun)\b(?:\s+(?:-n\s+)?(.+))?/i) {
	702	$stage = 'prepost';
	703	$scriptlet = lc $1;
	704	$subname = 'main';
	705	if ($2) { # Magic to add entries to the right package
	706	my $tmp = expandmacros("$2", 'g');
	707	if (/-n/) { $subname = $tmp; } else { $subname = "$pkgdata{main}{name}-$tmp"; }
[27]	708	}
[103]	709	next LINE;
	710	} # %pre/%post/%preun/%postun
[8]	711
[103]	712	if (/^\%files(?:\s+(?:-n\s+)?(.+))?/) {
	713	$stage = 'files';
	714	$subname = 'main';
	715	if ($1) { # Magic to add entries to the right list of files
[153]	716	my $tmp = expandmacros("$1", 'gp');
[103]	717	if (/-n/) { $subname = $tmp; } else { $subname = "$pkgdata{main}{name}-$tmp"; }
	718	}
	719	next LINE;
	720	} # %files
[6]	721
[103]	722	if (/^\%changelog/) {
	723	$stage = 'changelog';
	724	$pkgdata{main}{changelog} = '';
	725	next LINE;
	726	}
[6]	727
[103]	728	# now we handle individual lines from the various sections
[6]	729
[105]	730	if ($stage eq 'desc') {
[170]	731	next LINE if /^\s*#/;
[105]	732	$pkgdata{$subname}{desc} .= " $_";
	733	} # description
	734
[103]	735	if ($stage eq 'package') {
	736	# gotta expand %defines here. Whee.
[129]	737	# Note that we look for the Debian-specific Recommends, Suggests, and Replaces,
	738	# although they will have to be wrapped in '%if %{_vendor} == "debbuild"' for
	739	# an rpmbuild-compatible .spec file
	740	# NB: NOT going to support Pre-Depends, since it's a "Don't Use" (mis)feature, and
	741	# RPM's support for a similar tag (PreReq) has been recently dropped.
[145]	742	if (my ($dname,$dvalue) = (/^(Recommends\|Suggests\|Enhances\|Replaces\|Summary\|Group\|Version\|Requires\|Conflicts\|Provides\|BuildArch(?:itecture)?):\s+(.+)$/i)) {
[103]	743	$dname =~ tr/[A-Z]/[a-z]/;
	744	if ($dname =~ /^BuildArch/i) {
	745	$dvalue =~ s/^noarch/all/ig;
	746	$buildarch = $dvalue; # Emulate rpm's behaviour to a degree
	747	$dname = 'arch';
	748	}
[172]	749	if ($dname =~ /recommends\|suggests\|enhances\|replaces\|requires\|conflicts\|provides/) {
	750	$pkgdata{$subname}{$dname} .= ", ".expandmacros($dvalue, 'gp');
	751	} else {
	752	$pkgdata{$subname}{$dname} = expandmacros($dvalue, 'gp');
	753	}
[103]	754	}
	755	} # package
	756
	757	if ($stage eq 'prep') {
	758	# Actual handling for %prep section. May have %setup macro; may
	759	# include %patch tags, may be just a bare shell script.
	760	if (/^\%setup/) {
	761	# Parse out the %setup macro. Note that we aren't supporting
	762	# many of RPM's %setup features.
	763	$prepscript .= "cd $topdir/BUILD\n";
	764	if ( /\s+-n\s+([^\s]+)\s+/ ) {
	765	$tarballdir = $1;
	766	}
	767	$tarballdir = expandmacros($tarballdir,'gp');
	768	$prepscript .= "rm -rf $tarballdir\n";
	769	if (/\s+-c\s+/) {
	770	$prepscript .= "mkdir $tarballdir\ncd $tarballdir\n";
	771	}
[174]	772	$prepscript .=
	773	( $pkgdata{main}{source} =~ /\.tar\.gz$/ ? "/bin/gzip" : "" ).
	774	( $pkgdata{main}{source} =~ /\.tar\.bz2$/ ? "/bin/bzip2" : "" ).
	775	( $pkgdata{main}{source} =~ /\.tar\.xz$/ ? "/usr/bin/xz" : "" ).
	776	" -dc $topdir/SOURCES/$pkgdata{main}{source} \| /bin/tar -".
	777	( /\s+-q\s+/ ? '' : 'vv' )."xf -\n".
[6]	778	qq(STATUS=\$?\nif [ \$STATUS -ne 0 ]; then\n exit \$STATUS\nfi\n).
[69]	779	"cd $topdir/BUILD/$tarballdir\n".
[6]	780	qq([ `/usr/bin/id -u` = '0' ] && /bin/chown -Rhf root .\n).
	781	qq([ `/usr/bin/id -u` = '0' ] && /bin/chgrp -Rhf root .\n).
	782	qq(/bin/chmod -Rf a+rX,g-w,o-w .\n);
[103]	783	} elsif ( my ($patchnum,$patchopts) = (/^\%patch([^\s]+)(\s+.+)?$/) ) {
	784	chomp $patchnum;
[155]	785	$prepscript .= qq(echo "Patch #$patchnum ($pkgdata{main}{"patch$patchnum"}):"\n);
	786	# If there are options passed, use'em.
	787	# Otherwise, catch a bare %patch and ASS-U-ME it's '-p0'-able.
	788	# Will break on options that don't provide -pnn, but what the hell.
	789	# Need to decompress .bz2 and .gz patches on the fly. Not sure why one
	790	# would ever have such things, but there they are... and rpmbuild supports 'em
	791	# patch originally suggested by Lucian Cristian for .bz2
[174]	792	# reworked and expanded to support .Z/.gz/.xz as well
	793	if ( $pkgdata{main}{"patch$patchnum"} =~ /\.(?:Z\|gz\|bz2\|xz)$/ ) {
[155]	794	my $decompressor;
[174]	795	$decompressor = 'gzip' if $pkgdata{main}{"patch$patchnum"} =~ /\.(?:Z\|gz)$/;
[155]	796	$decompressor = 'bzip2' if $pkgdata{main}{"patch$patchnum"} =~ /\.bz2$/;
[174]	797	$decompressor = 'xz' if $pkgdata{main}{"patch$patchnum"} =~ /\.xz$/;
[155]	798	$prepscript .= qq(/bin/$decompressor -d < $topdir/SOURCES/$pkgdata{main}{"patch$patchnum"} \| patch );
	799	$prepscript .= $patchopts if $patchopts;
	800	$prepscript .= "-p0" if !$patchopts;
	801	$prepscript .= qq( -s\nSTATUS=\$?\nif [ \$STATUS -ne 0 ]; then\n exit \$STATUS\nfi\n);
	802	} else {
	803	$prepscript .= "patch ";
	804	$prepscript .= $patchopts if $patchopts;
	805	$prepscript .= "-p0" if !$patchopts;
	806	$prepscript .= " -s <$topdir/SOURCES/".$pkgdata{main}{"patch$patchnum"}."\n";
	807	}
[103]	808	} else {
[107]	809	$prepscript .= expandmacros($_,'gp');
[6]	810	}
[103]	811	next LINE;
	812	} # prep
	813
	814	if ($stage eq 'build') {
	815	# %build. This is pretty much just a shell script. There
	816	# aren't many local macros to deal with.
	817	if (/^\%configure/) {
	818	$buildscript .= expandmacros($_,'cgbp');
	819	} elsif (/^\%\{__make\}/) {
	820	$buildscript .= expandmacros($_,'mgbp');
	821	} else {
[108]	822	$buildscript .= expandmacros($_,'gp');
[5]	823	}
[103]	824	next LINE;
	825	} # build
[29]	826
[103]	827	if ($stage eq 'install') {
	828	if (/^\%makeinstall/) {
	829	$installscript .= expandmacros($_,'igbp');
	830	} else {
[107]	831	$installscript .= expandmacros($_,'gp');
[6]	832	}
[103]	833	next LINE;
	834	} # install
[29]	835
[103]	836	if ($stage eq 'clean') {
[107]	837	$cleanscript .= expandmacros($_,'gp');
[103]	838	next LINE;
	839	} # clean
[37]	840
[103]	841	if ($stage eq 'prepost') {
[107]	842	$pkgdata{$subname}{$scriptlet} .= expandmacros($_,'gp');
[103]	843	next LINE;
	844	} # prepost
[37]	845
[103]	846	if ($stage eq 'files') {
[121]	847	# need to deal with these someday
[103]	848	next LINE if /^\%dir/;
	849	next LINE if /^\%defattr/;
[121]	850	next LINE if /^\%verify/;
	851	# dunno what to do with this; not sure if there's space in Debian's package structure for it.
	852	next LINE if /^\%ghost/;
[103]	853	# Debian dpkg doesn't speak "%docdir". Meh.
	854	next LINE if /^\%docdir/;
[121]	855	# my $singleton = 0; # don't recall what this was for
[169]	856	next LINE if /^\s*#/;
	857	next LINE if /^\s*$/;
[121]	858
	859	# create and initialize flags
	860	my ($perms, $owner, $group, $conf, $filesline);
	861	$perms = $owner = $group = $conf = '-';
	862
	863	$filesline = $_;
	864
	865	# strip and flag %attr constructs
	866	if ($filesline =~ /\%attr\b/) {
	867	# Extract %attr...
	868	my ($args) = (/(\%attr\s\(\s[\d-]+\s,\s["a-zA-Z0-9-]+\s,\s["a-zA-Z0-9-]+\s*\))/);
	869	$args =~ s/\s+//g;
	870	$args =~ s/"//g; # don't think quotes are ever necessary, but they're allowed
	871	# ... and parse it ...
	872	($perms,$owner,$group) = ($args =~ /\(([\d-]+),([a-zA-Z0-9-]+),([a-zA-Z0-9-]+)/);
	873	# ... and wipe it when we're done.
	874	$filesline =~ s/\%attr\s\(\s[\d-]+\s,\s["a-zA-Z0-9-]+\s,\s["a-zA-Z0-9-]+\s*\)//;
	875	}
	876
	877	# Conffiles. Note that Debian and RH have similar, but not
	878	# quite identical ideas of what constitutes a conffile. Nrgh.
	879	# Note that dpkg will always ask if you want to replace the file - noreplace
	880	# is more or less permanently enabled.
[76]	881	##fixme
[121]	882	# also need to handle missingok (file that doesn't exist, but should be removed on uninstall)
	883	# hmm. not sure if such is POSSIBLE with Debian... maybe an addition to %post?
	884	if ($filesline =~ /\%config\b(?:\s\(\snoreplace\s\)\s)?/) {
	885	$pkgdata{$subname}{conffiles} = 1; # Flag it for later
	886	$conf = 'y';
	887	$filesline =~ s/\%config\b(?:\s\(\snoreplace\s\)\s)?//;
[18]	888	}
[121]	889
[110]	890	# %doc needs extra processing, because it can be a space-separated list, and may
	891	# include both full and partial pathnames. The partial pathnames must be fiddled
	892	# into place in the %install script, because Debian doesn't really have the concept
	893	# of "documentation file" that rpm does. (Debian "documentation files" are files
	894	# in /usr/share/doc/<packagename>.)
[121]	895	##fixme: unhandled case: %doc %defattr. Eeep.
	896	# don't really know what to do with %defattr, generally. :(
	897	if ($filesline =~ /\%doc\b/) {
	898	$filesline =~ s/\s*\%doc\s+//;
[110]	899
[121]	900	# this could probably go elsewhere.
	901	my $pkgname = $pkgdata{$subname}{name};
	902	$pkgname =~ tr/_/-/;
	903
	904	# have to extract the partial pathnames that %doc installs automagically
	905	foreach (split /\s+/, $filesline) {
	906	if (! (/^\%/ or m\|^/\|) ) {
[110]	907	$doclist{$subname} .= " $_";
[121]	908	my ($element) = m\|([^/\s]+/?)$\|;
	909	$filesline =~ s\|$_\|\%{_docdir}/$pkgname/$element\|;
[110]	910	}
[121]	911	}
	912	} # $filesline =~ /\%doc\b/
	913
	914	$filesline =~ s/^\s*//; # Just In Case. For, uh, neatness.
	915
	916	# due to Debian's total lack of real permissions-processing in its actual package
	917	# handling component (dpkg-deb), this can't really be done "properly". We'll have
	918	# to add chown/chmod commands to the postinst instead. Feh.
	919	$pkgdata{$subname}{'post'} .= "chown $owner $filesline\n" if $owner ne '-';
	920	$pkgdata{$subname}{'post'} .= "chgrp $group $filesline\n" if $group ne '-';
	921	$pkgdata{$subname}{'post'} .= "chmod $perms $filesline\n" if $perms ne '-';
	922
[115]	923	##fixme
[121]	924	# need hackery to assure only one filespec per %config. NB: "*" is one filespec. <g>
	925	push @{$pkgdata{$subname}{conflist}}, $filesline if $conf ne '-';
	926
	927	# now that we've got the specials out of the way, we can add things to the appropriate list of files.
[103]	928	# ... and finally everything else
[121]	929	$filelist{$subname} .= " $filesline";
	930
[103]	931	next LINE;
	932	} # files
[14]	933
[103]	934	if ($stage eq 'changelog') {
[107]	935	# this is one of the few places we do NOT generally want to replace macros...
[103]	936	$pkgdata{main}{changelog} .= $_;
	937	}
[14]	938
[103]	939	if ($stage eq 'preamble') {
[135]	940	if (/^summary:\s*(.+)/i) {
[103]	941	$pkgdata{main}{summary} = $1;
[135]	942	} elsif (/^name:\s*(.+)/i) {
[103]	943	$pkgdata{main}{name} = expandmacros($1,'g');
[135]	944	} elsif (/^epoch:\s*(.+)/i) {
[111]	945	$pkgdata{main}{epoch} = expandmacros($1,'g');
[135]	946	} elsif (/^version:\s*(.+)/i) {
[103]	947	$pkgdata{main}{version} = expandmacros($1,'g');
[135]	948	} elsif (/^release:\s*(.+)/i) {
[103]	949	$pkgdata{main}{release} = expandmacros($1,'g');
[135]	950	} elsif (/^group:\s*(.+)/i) {
[103]	951	$pkgdata{main}{group} = $1;
[135]	952	} elsif (/^copyright:\s*(.+)/i) {
[103]	953	$pkgdata{main}{copyright} = $1;
[135]	954	} elsif (/^url:\s*(.+)/i) {
[103]	955	$pkgdata{main}{url} = $1;
[135]	956	} elsif (/^packager:\s*(.+)/i) {
[103]	957	$pkgdata{main}{packager} = $1;
[135]	958	} elsif (/^buildroot:\s*(.+)/i) {
[136]	959	$specglobals{buildroot} = $1;
[135]	960	} elsif (/^source0?:\s*(.+)/i) {
[103]	961	$pkgdata{main}{source} = $1;
[171]	962	# Do this here since we don't use any URL forms elsewhere (maybe some other time)
	963	$pkgdata{main}{source} =~ s\|^.+/([^/]+)$\|$1\|;
[174]	964	# .tar, .tar.gz, .tar.bz2, .tgz, .xz
	965	die "Unknown tarball format $1\n" if $1 !~ /\.(?:tar(?:\.(?:gz\|bz2\|xz))?\|tgz)$/;
[171]	966	} elsif (my ($srcnum, $src) = (/^source([0-9]+):\s*(.+)/i)) {
	967	$pkgdata{sources}{$srcnum} = $src;
	968	# Do this here since we don't use any URL forms elsewhere (maybe some other time)
	969	$pkgdata{sources}{$srcnum} =~ s\|^.+/([^/]+)$\|$1\|;
[135]	970	} elsif (/^patch([^:]+):\s*(.+)$/i) {
[103]	971	my $patchname = "patch$1";
	972	$pkgdata{main}{$patchname} = $2;
	973	if ($pkgdata{main}{$patchname} =~ /\//) {
	974	# URL-style patch. Rare but not unheard-of.
	975	my @patchbits = split '/', $pkgdata{main}{$patchname};
	976	$pkgdata{main}{$patchname} = $patchbits[$#patchbits];
	977	}
	978	chomp $pkgdata{main}{$patchname};
[135]	979	} elsif (/^buildarch(?:itecture)?:\s*(.+)/i) {
[103]	980	$pkgdata{main}{arch} = $1;
	981	$pkgdata{main}{arch} =~ s/^noarch$/all/;
	982	$buildarch = $pkgdata{main}{arch};
[138]	983	} elsif (/^buildrequires:\s*(.+)/i) {
[103]	984	$buildreq .= ", $1";
[135]	985	} elsif (/^requires:\s*(.+)/i) {
[103]	986	$pkgdata{main}{requires} .= ", ".expandmacros("$1", 'gp');
[135]	987	} elsif (/^provides:\s*(.+)/i) {
[103]	988	$pkgdata{main}{provides} .= ", $1";
[135]	989	} elsif (/^conflicts:\s*(.+)/i) {
[103]	990	$pkgdata{main}{conflicts} .= ", $1";
[135]	991	} elsif (/^recommends:\s*(.+)/i) {
[129]	992	$pkgdata{main}{recommends} .= ", $1";
	993	warn "Warning: Debian-specific 'Recommends:' outside \%if wrapper\n" if $iflevel == 0;
[135]	994	} elsif (/^suggests:\s*(.+)/i) {
[129]	995	$pkgdata{main}{suggests} .= ", $1";
	996	warn "Warning: Debian-specific 'Suggests:' outside \%if wrapper\n" if $iflevel == 0;
[145]	997	} elsif (/^enhances:\s*(.+)/i) {
	998	$pkgdata{main}{enhances} .= ", $1";
[169]	999	warn "Warning: Debian-specific 'Enhances:' outside \%if wrapper\n" if $iflevel == 0;
[135]	1000	} elsif (/^replaces:\s*(.+)/i) {
[129]	1001	$pkgdata{main}{replaces} .= ", $1";
	1002	warn "Warning: Debian-specific 'Replaces:' outside \%if wrapper\n" if $iflevel == 0;
[135]	1003	} elsif (/^autoreq(?:prov)?:\s*(.+)/i) {
[112]	1004	# we don't handle auto-provides (yet)
	1005	$NoAutoReq = 1 if $1 =~ /(?:no\|0)/i;
[5]	1006	}
[103]	1007	next LINE;
	1008	} # preamble
[5]	1009
[103]	1010	} # while <SPEC>
[7]	1011
[14]	1012	# Parse and replace some more macros. More will be replaced even later.
	1013
[10]	1014	# Expand macros as necessary.
[12]	1015	$scriptletbase = expandmacros($scriptletbase,'gp');
[7]	1016
[103]	1017	$cleanscript = expandmacros($cleanscript,'gp');
	1018
[136]	1019	$specglobals{buildroot} = $cmdbuildroot if $cmdbuildroot;
	1020	$specglobals{buildroot} = expandmacros($specglobals{buildroot},'gp');
[7]	1021
[16]	1022	close SPECFILE;
[5]	1023	} # end parse_spec()
	1024
	1025
[7]	1026	## prep()
[14]	1027	# Writes and executes the %prep script (mostly) built while reading the spec file.
[7]	1028	sub prep {
[10]	1029	# Replace some things here just to make sure.
[12]	1030	$prepscript = expandmacros($prepscript,'gp');
[10]	1031
	1032	# create script filename
[13]	1033	my $prepscriptfile = "$tmpdir/deb-tmp.prep.".int(rand(99998)+1);
[10]	1034	sysopen(PREPSCRIPT, $prepscriptfile, O_RDWR \| O_CREAT \| O_EXCL \| O_NOFOLLOW)
[157]	1035	or die "Can't open/create prep script file $prepscriptfile: $!\n";
[10]	1036	print PREPSCRIPT $scriptletbase;
	1037	print PREPSCRIPT $prepscript;
	1038	close PREPSCRIPT;
[7]	1039
[10]	1040	# execute
	1041	print "Calling \%prep script $prepscriptfile...\n";
	1042	system("/bin/sh -e $prepscriptfile") == 0
[14]	1043	or die "Can't exec: $!\n";
[7]	1044
[10]	1045	# and clean up
	1046	unlink $prepscriptfile;
[7]	1047	} # end prep()
	1048
	1049
[5]	1050	## build()
[14]	1051	# Writes and executes the %build script (mostly) built while reading the spec file.
[5]	1052	sub build {
[12]	1053	# Expand the macros
	1054	$buildscript = expandmacros($buildscript,'cgbp');
	1055
[7]	1056	# create script filename
[13]	1057	my $buildscriptfile = "$tmpdir/deb-tmp.build.".int(rand(99998)+1);
[7]	1058	sysopen(BUILDSCRIPT, $buildscriptfile, O_RDWR \| O_CREAT \| O_EXCL \| O_NOFOLLOW)
[157]	1059	or die "Can't open/create build script file $buildscriptfile: $!\n";
[7]	1060	print BUILDSCRIPT $scriptletbase;
	1061	print BUILDSCRIPT $buildscript;
	1062	close BUILDSCRIPT;
	1063
	1064	# execute
	1065	print "Calling \%build script $buildscriptfile...\n";
	1066	system("/bin/sh -e $buildscriptfile") == 0
[14]	1067	or die "Can't exec: $!\n";
[7]	1068
	1069	# and clean up
	1070	unlink $buildscriptfile;
[5]	1071	} # end build()
	1072
	1073
[7]	1074	## install()
[14]	1075	# Writes and executes the %install script (mostly) built while reading the spec file.
[7]	1076	sub install {
[110]	1077
	1078	# munge %doc entries into place
	1079	# rpm handles this with a separate executed %doc script, we're not going to bother.
	1080	foreach my $docpkg (keys %doclist) {
	1081	my $pkgname = $pkgdata{$docpkg}{name};
	1082	$pkgname =~ s/_/-/g;
	1083
	1084	$installscript .= "DOCDIR=\$RPM_BUILD_ROOT\%{_docdir}/$pkgname\nexport DOCDIR\n";
	1085	$installscript .= "mkdir -p \$DOCDIR\n";
	1086	$doclist{$docpkg} =~ s/^\s*//;
	1087	foreach (split(' ',$doclist{$docpkg})) {
	1088	$installscript .= "cp -pr $_ \$DOCDIR/\n";
	1089	}
	1090	}
	1091
[12]	1092	# Expand the macros
	1093	$installscript = expandmacros($installscript,'igbp');
	1094
[7]	1095	# create script filename
[13]	1096	my $installscriptfile = "$tmpdir/deb-tmp.inst.".int(rand(99998)+1);
[7]	1097	sysopen(INSTSCRIPT, $installscriptfile, O_RDWR \| O_CREAT \| O_EXCL \| O_NOFOLLOW)
[157]	1098	or die "Can't open/create install script file $installscriptfile: $!\n";
[7]	1099	print INSTSCRIPT $scriptletbase;
	1100	print INSTSCRIPT $installscript;
	1101	close INSTSCRIPT;
	1102
	1103	# execute
	1104	print "Calling \%install script $installscriptfile...\n";
	1105	system("/bin/sh -e $installscriptfile") == 0
[14]	1106	or die "Can't exec: $!\n";
[7]	1107
	1108	# and clean up
	1109	unlink $installscriptfile;
[132]	1110
	1111	# final bit: compress manpages if present
	1112	# done here cuz I don't grok shell well
	1113	# should probably error-check all kinds of things. <g>
[136]	1114	if (opendir MANROOT, "$specglobals{buildroot}/usr/share/man") {
[132]	1115	my @mansects = readdir MANROOT;
	1116	closedir MANROOT;
	1117	foreach my $mandir (@mansects) {
	1118	next if $mandir !~ /^man/;
[136]	1119	opendir MANPAGES, "$specglobals{buildroot}/usr/share/man/$mandir";
[132]	1120	my @pagelist = readdir MANPAGES;
	1121	closedir MANPAGES; # Slightly safer to to this; no accidental recursion. O_o
	1122	foreach my $manpage (@pagelist) {
[136]	1123	$manpage = "$specglobals{buildroot}/usr/share/man/$mandir/$manpage";
[132]	1124	if ( -f $manpage) {
	1125	if ($manpage =~ /^(.+)\.(?:Z\|gz\|bz2)\n?$/) {
	1126	my $newpage = $1;
	1127	`gunzip $manpage` if $manpage =~ /\.(?:Z\|gz)$/;
	1128	`bunzip2 $manpage` if $manpage =~ /\.bz2$/;
	1129	$manpage = $newpage;
	1130	}
	1131	`gzip -9 -n $manpage`;
	1132	} elsif ( -l $manpage) {
	1133	my $linkdest = readlink $manpage;
	1134	$linkdest =~ s/\.(?:Z\|gz\|bz2)//;
	1135	unlink $manpage;
	1136	$manpage =~ s/\.(?:Z\|gz\|bz2)//;
	1137	symlink "$linkdest.gz", "$manpage.gz" or print "DEBUG: wibble: symlinking manpage failed: $!\n";
	1138	}
	1139	}
	1140	}
	1141	} # if opendir MANROOT
[7]	1142	} # end install()
	1143
	1144
[8]	1145	## binpackage()
[136]	1146	# Creates the binary .deb package from the installed tree in $specglobals{buildroot}.
[14]	1147	# Writes and executes a shell script to do so.
	1148	# Creates miscellaneous files required by dpkg-deb to actually build the package file.
[27]	1149	# Should handle simple subpackages
[8]	1150	sub binpackage {
[14]	1151
[27]	1152	foreach my $pkg (@pkglist) {
[8]	1153
[87]	1154	$pkgdata{$pkg}{arch} = $hostarch if !$pkgdata{$pkg}{arch}; # Just In Case.
	1155
	1156	# Make sure we have somewhere to write the .deb file
	1157	if (!-e "$topdir/DEBS/$pkgdata{$pkg}{arch}") {
	1158	mkdir "$topdir/DEBS/$pkgdata{$pkg}{arch}";
	1159	}
	1160
[73]	1161	# Skip building a package if it doesn't actually have any files. NB: This
	1162	# differs slightly from rpm's behaviour where a package will be built -
	1163	# even without any files - if %files is specified anywhere. I can think
	1164	# of odd corner cases where that may be desireable.
[74]	1165	next if (!$filelist{$pkg} or $filelist{$pkg} =~ /^\s*$/);
[73]	1166
[27]	1167	# Gotta do this first, otherwise we don't have a place to move files from %files
[136]	1168	mkdir "$specglobals{buildroot}/$pkg";
[28]	1169
[30]	1170	# Eliminate any lingering % macros
	1171	$filelist{$pkg} = expandmacros $filelist{$pkg}, 'g';
	1172
[27]	1173	my @pkgfilelist = split ' ', $filelist{$pkg};
	1174	foreach my $pkgfile (@pkgfilelist) {
[37]	1175	$pkgfile = expandmacros($pkgfile, 'gp');
[117]	1176
	1177	# Feh. Manpages don't NEED to be gzipped, but rpmbuild does, and so shall we.
[153]	1178	# ... and your little info page too!
	1179	if ($pkgfile =~ m{/usr/share/(?:man/man\|info)}) {
[117]	1180	# need to check to see if manpage is gzipped
[136]	1181	if (-e "$specglobals{buildroot}$pkgfile") {
[153]	1182	# if we've just been pointed to a manpage section with "many" pages,
	1183	# we need to gzip them all.
	1184	# fortunately, we do NOT need to explicitly track each file for the
	1185	# purpose of stuffing them in the package... the original %files
	1186	# entry will do just fine.
	1187	if ( -d "$specglobals{buildroot}$pkgfile") {
	1188	foreach my $globfile (glob("$specglobals{buildroot}$pkgfile/*")) {
	1189	gzip $globfile if $globfile !~ m\|\.gz$\|;
	1190	}
	1191	} else {
	1192	if ($pkgfile !~ m\|\.gz$\|) {
	1193	qx { gzip $specglobals{buildroot}$pkgfile };
	1194	$pkgfile .= ".gz";
	1195	}
[117]	1196	}
	1197	} else {
	1198	if ($pkgfile !~ m\|\.gz$\|) {
	1199	$pkgfile .= ".gz";
	1200	} else {
	1201	$pkgfile =~ s/\.gz$//;
[136]	1202	qx { gzip $specglobals{buildroot}$pkgfile };
[117]	1203	$pkgfile .= ".gz";
	1204	}
	1205	}
	1206	}
	1207
[124]	1208	my ($fpath,$fname) = ($pkgfile =~ m\|(.+?/?)?([^/]+/?)$\|); # We don't need $fname now, but we might.
[136]	1209	qx { mkdir -p $specglobals{buildroot}/$pkg$fpath }
[44]	1210	if $fpath && $fpath ne '';
[136]	1211	qx { mv $specglobals{buildroot}$pkgfile $specglobals{buildroot}/$pkg$fpath };
[27]	1212	}
[28]	1213
[38]	1214	# Get the "Depends" (Requires) a la RPM. Ish. We strip the leading
	1215	# comma and space here (if needed) in case there were "Requires" specified
	1216	# in the spec file - those would precede these.
[136]	1217	$pkgdata{$pkg}{requires} .= getreqs("$specglobals{buildroot}/$pkg") if ! $NoAutoReq;
[38]	1218
[64]	1219	# magic needed to properly version dependencies...
	1220	# only provided deps will really be included
[65]	1221	$pkgdata{$pkg}{requires} =~ s/^, //; # Still have to do this here.
[64]	1222	$pkgdata{$pkg}{requires} =~ s/\s+//g;
	1223	my @deps = split /,/, $pkgdata{$pkg}{requires};
	1224	my $tmp = '';
	1225	foreach my $dep (@deps) {
[68]	1226	# Hack up the perl(Class::SubClass) deps into something dpkg can understand.
	1227	# May or may not be versioned.
	1228	# We do this first so the version rewriter can do its magic next.
	1229	if (my ($mod,$ver) = ($dep =~ /^perl\(([A-Za-z0-9\:\-]+)\)([><=]+.+)?/) ) {
	1230	$mod =~ s/^perl\(//;
	1231	$mod =~ s/\)$//;
	1232	$mod =~ s/::/-/g;
	1233	$mod =~ tr/A-Z/a-z/;
	1234	$mod = "lib$mod-perl";
	1235	$mod .= $ver if $ver;
	1236	$dep = $mod;
	1237	}
[64]	1238	if (my ($name,$rel,$value) = ($dep =~ /^([a-zA-Z0-9._-]+)([><=]+)([a-zA-Z0-9._-]+)$/)) {
	1239	$tmp .= ", $name ($rel $value)";
	1240	} else {
	1241	$tmp .= ", $dep";
	1242	}
	1243	}
	1244	($pkgdata{$pkg}{requires} = $tmp) =~ s/^, //;
	1245
[38]	1246	# Do this here since we're doing {depends}...
[41]	1247	if (defined($pkgdata{$pkg}{provides})) {
	1248	$pkgdata{$pkg}{provides} =~ s/^, //;
	1249	$pkgdata{$pkg}{provides} = expandmacros($pkgdata{$pkg}{provides},'gp');
	1250	}
[51]	1251	if (defined($pkgdata{$pkg}{conflicts})) {
	1252	$pkgdata{$pkg}{conflicts} =~ s/^, //;
	1253	$pkgdata{$pkg}{conflicts} = expandmacros($pkgdata{$pkg}{conflicts},'gp');
	1254	}
[38]	1255
[129]	1256	# These are Debian-specific!
	1257	if (defined($pkgdata{$pkg}{recommends})) {
	1258	$pkgdata{$pkg}{recommends} =~ s/^, //;
	1259	$pkgdata{$pkg}{recommends} = expandmacros($pkgdata{$pkg}{recommends},'gp');
	1260	}
	1261	if (defined($pkgdata{$pkg}{suggests})) {
	1262	$pkgdata{$pkg}{suggests} =~ s/^, //;
	1263	$pkgdata{$pkg}{suggests} = expandmacros($pkgdata{$pkg}{suggests},'gp');
	1264	}
[145]	1265	if (defined($pkgdata{$pkg}{enhances})) {
	1266	$pkgdata{$pkg}{enhances} =~ s/^, //;
	1267	$pkgdata{$pkg}{enhances} = expandmacros($pkgdata{$pkg}{enhances},'gp');
	1268	}
[129]	1269	if (defined($pkgdata{$pkg}{replaces})) {
	1270	$pkgdata{$pkg}{replaces} =~ s/^, //;
	1271	$pkgdata{$pkg}{replaces} = expandmacros($pkgdata{$pkg}{replaces},'gp');
	1272	}
	1273
[27]	1274	# Gotta do this next, otherwise the control file has nowhere to go. >:(
[136]	1275	mkdir "$specglobals{buildroot}/$pkg/DEBIAN";
[27]	1276
[33]	1277	# Hack the filename for the package into a Debian-tool-compatible format. GRRRRRR!!!!!
	1278	# Have I mentioned I hate Debian Policy?
	1279	$pkgdata{$pkg}{name} =~ tr/_/-/;
	1280
[27]	1281	# create script filename
	1282	my $debscriptfile = "$tmpdir/deb-tmp.pkg.".int(rand(99998)+1);
	1283	sysopen(DEBSCRIPT, $debscriptfile, O_RDWR \| O_CREAT \| O_EXCL \| O_NOFOLLOW)
[157]	1284	or die "Can't open/create package-creation script file $debscriptfile: $!\n";
[27]	1285	print DEBSCRIPT $scriptletbase;
[166]	1286	print DEBSCRIPT "fakeroot -- dpkg-deb -b $specglobals{buildroot}/$pkg $topdir/DEBS/$pkgdata{$pkg}{arch}/".
[111]	1287	"$pkgdata{$pkg}{name}_".
	1288	(defined($pkgdata{main}{epoch}) ? "$pkgdata{main}{epoch}:" : '').
	1289	"$pkgdata{$pkg}{version}-$pkgdata{main}{release}_$pkgdata{$pkg}{arch}.deb\n";
[27]	1290	# %$&$%@#@@#%@@@ Debian and their horrible ugly package names. >:(
	1291	close DEBSCRIPT;
[8]	1292
[27]	1293	my $control = "Package: $pkgdata{$pkg}{name}\n".
[177]	1294	"Version: ".(defined($pkgdata{main}{epoch}) ? "$pkgdata{main}{epoch}:" : '').
[111]	1295	"$pkgdata{$pkg}{version}-$pkgdata{main}{release}\n".
[177]	1296	"Section: ".($pkgdata{$pkg}{group} ? $pkgdata{$pkg}{group} : $pkgdata{main}{group})."\n".
[8]	1297	"Priority: optional\n".
[87]	1298	"Architecture: $pkgdata{$pkg}{arch}\n".
[8]	1299	"Maintainer: $pkgdata{main}{packager}\n".
[47]	1300	( $pkgdata{$pkg}{requires} ne '' ? "Depends: $pkgdata{$pkg}{requires}\n" : '' ).
[39]	1301	( defined($pkgdata{$pkg}{provides}) ? "Provides: $pkgdata{$pkg}{provides}\n" : '' ).
[51]	1302	( defined($pkgdata{$pkg}{conflicts}) ? "Conflicts: $pkgdata{$pkg}{conflicts}\n" : '' ).
[129]	1303	( defined($pkgdata{$pkg}{recommends}) ? "Recommends: $pkgdata{$pkg}{recommends}\n" : '' ).
	1304	( defined($pkgdata{$pkg}{suggests}) ? "Suggests: $pkgdata{$pkg}{suggests}\n" : '' ).
[145]	1305	( defined($pkgdata{$pkg}{enhances}) ? "Enhances: $pkgdata{$pkg}{enhances}\n" : '' ).
[129]	1306	( defined($pkgdata{$pkg}{replaces}) ? "Replaces: $pkgdata{$pkg}{replaces}\n" : '' ).
[27]	1307	"Description: $pkgdata{$pkg}{summary}\n";
[161]	1308	# Munge things so that Debian tools don't choke on errant blank lines
	1309	$pkgdata{$pkg}{desc} =~ s/\s+$//g; # Trim trailing blanks
	1310	$pkgdata{$pkg}{desc} =~ s/^ $/ ./mg; # Replace lines consisting of " \n" with " .\n"
[27]	1311	$control .= "$pkgdata{$pkg}{desc}\n";
[8]	1312
[136]	1313	open CONTROL, ">$specglobals{buildroot}/$pkg/DEBIAN/control";
[27]	1314	print CONTROL $control;
	1315	close CONTROL;
[8]	1316
[37]	1317	# Iff there are conffiles (as specified in the %files list(s), add'em
	1318	# in so dpkg-deb can tag them.
	1319	if ($pkgdata{$pkg}{conffiles}) {
[136]	1320	open CONFLIST, ">$specglobals{buildroot}/$pkg/DEBIAN/conffiles";
[37]	1321	foreach my $conffile (@{$pkgdata{$pkg}{conflist}}) {
[125]	1322	$conffile = expandmacros($conffile, 'g');
[136]	1323	my @tmp = glob "$specglobals{buildroot}/$pkg/$conffile";
[106]	1324	foreach (@tmp) {
[136]	1325	s\|$specglobals{buildroot}/$pkg/\|\|g; # nrgl. gotta be a better way to do this...
[106]	1326	s/\s+/\n/g; # Not gonna support spaces in filenames. Ewww.
	1327	print CONFLIST "$_\n";
	1328	}
[37]	1329	}
	1330	close CONFLIST;
	1331	}
	1332
[75]	1333	# found the point of scripts on subpackages.
	1334	if ($pkgdata{$pkg}{'pre'}) {
	1335	$pkgdata{$pkg}{'pre'} = expandmacros($pkgdata{$pkg}{'pre'},'gp');
[136]	1336	open PREINST, ">$specglobals{buildroot}/$pkg/DEBIAN/preinst";
[75]	1337	print PREINST "#!/bin/sh\nset -e\n\n";
	1338	print PREINST $pkgdata{$pkg}{'pre'};
	1339	close PREINST;
[136]	1340	chmod 0755, "$specglobals{buildroot}/$pkg/DEBIAN/preinst";
[27]	1341	}
[75]	1342	if ($pkgdata{$pkg}{'post'}) {
	1343	$pkgdata{$pkg}{'post'} = expandmacros($pkgdata{$pkg}{'post'},'gp');
[136]	1344	open POSTINST, ">$specglobals{buildroot}/$pkg/DEBIAN/postinst";
[131]	1345	print POSTINST "#!/bin/sh\nset -e\n\n";
	1346	print POSTINST $pkgdata{$pkg}{'post'};
	1347	close POSTINST;
[136]	1348	chmod 0755, "$specglobals{buildroot}/$pkg/DEBIAN/postinst";
[75]	1349	}
	1350	if ($pkgdata{$pkg}{'preun'}) {
	1351	$pkgdata{$pkg}{'pre'} = expandmacros($pkgdata{$pkg}{'preun'},'gp');
[136]	1352	open PREUNINST, ">$specglobals{buildroot}/$pkg/DEBIAN/prerm";
[131]	1353	print PREUNINST "#!/bin/sh\nset -e\n\n";
	1354	print PREUNINST $pkgdata{$pkg}{'preun'};
	1355	close PREUNINST;
[136]	1356	chmod 0755, "$specglobals{buildroot}/$pkg/DEBIAN/prerm";
[75]	1357	}
	1358	if ($pkgdata{$pkg}{'postun'}) {
	1359	$pkgdata{$pkg}{'postun'} = expandmacros($pkgdata{$pkg}{'postun'},'gp');
[136]	1360	open POSTUNINST, ">$specglobals{buildroot}/$pkg/DEBIAN/postrm";
[131]	1361	print POSTUNINST "#!/bin/sh\nset -e\n\n";
	1362	print POSTUNINST $pkgdata{$pkg}{'postun'};
	1363	close POSTUNINST;
[136]	1364	chmod 0755, "$specglobals{buildroot}/$pkg/DEBIAN/postrm";
[75]	1365	}
[16]	1366
[27]	1367	# execute
	1368	print "Calling package creation script $debscriptfile for $pkgdata{$pkg}{name}...\n";
	1369	system("/bin/sh -e $debscriptfile") == 0
[14]	1370	or die "Can't exec: $!\n";
[8]	1371
[77]	1372	$finalmessages .= "Wrote binary package ".
[111]	1373	"$pkgdata{$pkg}{name}_".
	1374	(defined($pkgdata{main}{epoch}) ? "$pkgdata{main}{epoch}:" : '').
	1375	"$pkgdata{$pkg}{version}-$pkgdata{main}{release}_$pkgdata{$pkg}{arch}.deb".
[87]	1376	" in $topdir/DEBS/$pkgdata{$pkg}{arch}\n";
[27]	1377	# and clean up
	1378	unlink $debscriptfile;
	1379
	1380	} # subpackage loop
	1381
[8]	1382	} # end binpackage()
	1383
	1384
[35]	1385	## srcpackage()
	1386	# Builds a .src.deb source package. Note that Debian's idea of
	1387	# a "source package" is seriously flawed IMO, because you can't
	1388	# easily copy it as-is.
[36]	1389	# Not quite identical to RPM, but Good Enough (TM).
[35]	1390	sub srcpackage {
[54]	1391	# In case we were called with -bs.
	1392	$pkgdata{main}{name} =~ tr/_/-/;
[111]	1393	my $pkgsrcname = "$pkgdata{main}{name}-".
	1394	(defined($pkgdata{main}{epoch}) ? "$pkgdata{main}{epoch}:" : '').
	1395	"$pkgdata{main}{version}-$pkgdata{main}{release}.sdeb";
[36]	1396
	1397	my $paxcmd;
	1398
	1399	# We'll definitely need this later, and may need it sooner.
	1400	(my $barespec = $specfile) =~ s\|.+/([^/]+)$\|$1\|;
	1401
	1402	# Copy the specfile to the build tree, but only if it's not there already.
	1403	##buglet: need to deal with silly case where silly user has put the spec
	1404	# file in a subdir of %{_topdir}/SPECS. Ewww. Silly user!
	1405	if (abs_path($specfile) !~ /^$topdir\/SPECS/) {
	1406	$paxcmd .= "cp $specfile %{_topdir}/SPECS/; \n"
	1407	}
	1408
[35]	1409	# use pax -w [file] [file] ... >outfile.sdeb
[36]	1410	$paxcmd = "cd $topdir; pax -w ";
[10]	1411
[171]	1412	# some packages may not have a "main" source.
	1413	$paxcmd .= "SOURCES/$pkgdata{main}{source} " if $pkgdata{main}{source};
[10]	1414
[35]	1415	# create file list: Source[nn], Patch[nn]
	1416	foreach my $specbit (keys %{$pkgdata{main}} ) {
	1417	next if $specbit eq 'source';
[53]	1418	$paxcmd .= "SOURCES/$pkgdata{main}{$specbit} " if $specbit =~ /^patch/;
[36]	1419	##buglet: need to deal with case where patches are listed as URLs?
	1420	# or other extended pathnames? Silly !@$%^&!%%!%!! user!
[35]	1421	}
	1422
[53]	1423	foreach my $source (keys %{$pkgdata{sources}}) {
	1424	$paxcmd .= "SOURCES/$pkgdata{sources}{$source} ";
	1425	}
	1426
[36]	1427	# add the spec file, source package destination, and cd back where we came from.
	1428	$paxcmd .= "SPECS/$barespec > $topdir/SDEBS/$pkgsrcname; cd -";
[35]	1429
[36]	1430	# In case of %-macros...
[35]	1431	$paxcmd = expandmacros($paxcmd,'gp');
	1432
[36]	1433	system "$paxcmd";
[77]	1434	$finalmessages .= "Wrote source package $pkgsrcname in $topdir/SDEBS.\n";
[97]	1435	} # end srcpackage()
[35]	1436
	1437
[97]	1438	## clean()
	1439	# Writes and executes the %clean script (mostly) built while reading the spec file.
	1440	sub clean {
	1441	# Replace some things here just to make sure.
	1442	$cleanscript = expandmacros($cleanscript,'gp');
	1443
	1444	# create script filename
	1445	my $cleanscriptfile = "$tmpdir/deb-tmp.clean.".int(rand(99998)+1);
	1446	sysopen(CLEANSCRIPT, $cleanscriptfile, O_RDWR \| O_CREAT \| O_EXCL \| O_NOFOLLOW)
	1447	or die $!;
	1448	print CLEANSCRIPT $scriptletbase;
	1449	print CLEANSCRIPT $cleanscript;
	1450	close CLEANSCRIPT;
	1451
	1452	# execute
	1453	print "Calling \%clean script $cleanscriptfile...\n";
	1454	system("/bin/sh -e $cleanscriptfile") == 0
	1455	or die "Can't exec: $!\n";
	1456
	1457	# and clean up
	1458	unlink $cleanscriptfile;
	1459	} # end clean()
	1460
	1461
[38]	1462	## checkbuildreq()
	1463	# Checks the build requirements (if any)
	1464	# Spits out a rude warning and returns a true-false error if any
	1465	# requirements are not met.
	1466	sub checkbuildreq {
[40]	1467	return 1 if $buildreq eq ''; # No use doing extra work.
[38]	1468
[52]	1469	if ( ! -e "/usr/bin/dpkg-query" ) {
	1470	print "WARNING dpkg-query not found. Can't check build-deps.\n".
	1471	" Required for sucessful build:\n".$buildreq."\n".
	1472	" Continuing anyway.\n";
	1473	return 1;
	1474	}
	1475
[38]	1476	my $reqflag = 1; # unset iff a buildreq is missing
	1477
	1478	$buildreq =~ s/^, //; # Strip the leading comma and space
	1479	my @reqlist = split /,\s+/, $buildreq;
	1480
	1481	foreach my $req (@reqlist) {
[169]	1482	# from rpmbuild error message
	1483	# Dependency tokens must begin with alpha-numeric, '_' or '/'
	1484	##fixme: check for suitable whitespace around $rel
[38]	1485	my ($pkg,$rel,$ver);
	1486
	1487	# We have two classes of requirements - versioned and unversioned.
	1488	if ($req =~ /[><=]/) {
	1489	# Pick up the details of versioned buildreqs
	1490	($pkg,$rel,$ver) = ($req =~ /([a-z0-9._-]+)\s+([><=]+)\s+([a-z0-9._-]+)/);
	1491	} else {
	1492	# And the unversioned ones.
	1493	$pkg = $req;
	1494	$rel = '>=';
	1495	$ver = 0;
	1496	}
	1497
	1498	my @pkglist = qx { dpkg-query --showformat '\${status}\t\${version}\n' -W $pkg };
[154]	1499	if (!$pkglist[0]) {
[38]	1500	print " * Missing build-dependency $pkg!\n";
	1501	$reqflag = 0;
	1502	} else {
[169]	1503	# real package, installed
	1504	#kdeugau:~$ dpkg-query --showformat '${status}\t${version}\n' -W libc-client2007e-dev 2>&1
	1505	#install ok installed 8:2007f~dfsg-1
	1506	# virtual package, provided by ???
	1507	#kdeugau:~$ dpkg-query --showformat '${status}\t${version}\n' -W libc-client-dev 2>&1
	1508	#unknown ok not-installed
	1509	# real package or virtual package not installed or provided
	1510	#kdeugau:~$ dpkg-query --showformat '${status}\t${version}\n' -W libdb4.8-dbg 2>&1
	1511	#dpkg-query: no packages found matching libdb4.8-dbg
	1512
[154]	1513	my ($reqstat,undef,undef,$reqver) = split /\s+/, $pkglist[0];
[169]	1514	if ($reqstat =~ /^unknown/) {
	1515	# this seems to be a virtual package.
	1516	print " * Warning: $pkg is probably installed but seems to be a virtual package.\n";
	1517	} elsif ($reqstat =~ /^install/) {
[154]	1518	my ($resp) = qx { dpkg --compare-versions $reqver '$rel' $ver && echo "ok" };
	1519	if ($resp !~ /^ok/) {
	1520	$reqflag = 0;
	1521	print " * Buildreq $pkg is installed, but wrong version ($reqver): Need $ver\n"
	1522	}
[169]	1523	} else {
	1524	# whatever state it's in, it's not completely installed, therefore it's missing.
	1525	print " * Missing build-dependency $pkg!\n";
	1526	$reqflag = 0;
[154]	1527	} # end not installed/installed check
	1528	}
[38]	1529	} # end req loop
	1530
	1531	return $reqflag;
	1532	} # end checkbuildreq()
	1533
	1534
	1535	## getreqs()
	1536	# Find out which libraries/packages are required for any
	1537	# executables and libs in a given file tree.
	1538	# (Debian doesn't have soname-level deps; just package-level)
[41]	1539	# Returns an empty string if the tree contains no binaries.
	1540	# Doesn't work well on shell scripts. but those should be
	1541	# fine anyway. (Yeah, right...)
[38]	1542	sub getreqs() {
	1543	my $pkgtree = $_[0];
	1544
[39]	1545	print "Checking library requirements...\n";
[43]	1546	my @binlist = qx { find $pkgtree -type f -perm 755 };
[38]	1547
[41]	1548	if (scalar(@binlist) == 0) {
	1549	return '';
	1550	}
	1551
	1552	my @reqlist;
	1553	foreach (@binlist) {
[166]	1554	push @reqlist, qx { LANG=C ldd $_ };
[41]	1555	}
	1556
	1557	# Get the list of libs provided by this package. Still doesn't
	1558	# handle the case where the lib gets stuffed into a subpackage. :/
	1559	my @intprovlist = qx { find $pkgtree -type f -name ".so" };
	1560	my $provlist = '';
	1561	foreach (@intprovlist) {
	1562	s/$pkgtree//;
	1563	$provlist .= "$_";
	1564	}
	1565
[38]	1566	my %reqs;
[43]	1567	my $reqlibs = '';
[176]	1568	my %reqliblist;
[38]	1569
	1570	foreach (@reqlist) {
	1571	next if /^$pkgtree/;
[42]	1572	next if /not a dynamic executable/;
[139]	1573	next if m\|/lib(?:64)?/ld-linux\|; # Hack! Hack! PTHBTT! (libc suxx0rz)
[100]	1574	next if /linux-gate.so/; # Kernel hackery for teh W1n!!1!1eleventy-one!1 (Don't ask. Feh.)
[151]	1575	next if /linux-vdso.so/; # More kernel hackery. Whee!
[38]	1576
[176]	1577	# Whee! more hackery to detect provided-here libs. Some apparently return from ldd as "not found".
	1578	my ($a,$b) = split / => /;
	1579	$a =~ s/\s*//g;
	1580	if ($b =~ /not found/) {
	1581	next if qx { find $specglobals{buildroot} -name "*$a" };
	1582	}
	1583
[169]	1584	my ($req) = (m\|=\>\s+([a-zA-Z0-9._/+-]+)\|); # dig out the actual library (so)name.
[147]	1585	# And feh, we need the path, since I've discovered a new edge case where
	1586	# the same libnnn.1.2.3 filename is found across several lib dirs. >:(
[41]	1587
	1588	# Ignore libs provided by this package. Note that we don't match
	1589	# on word-boundary at the end of the lib we're looking for, as the
	1590	# looked-for lib may not have the full soname version. (ie, it may
	1591	# "just" point to one of the symlinks that get created somewhere.)
	1592	next if $provlist =~ /\b$req/;
	1593
[38]	1594	$reqlibs .= " $req";
[176]	1595	$reqliblist{$req} = 1;
[38]	1596	}
	1597
[176]	1598	if (%reqliblist) {
	1599	foreach my $rlib (keys %reqliblist) {
	1600	my $libpkg = qx { dpkg -S $rlib };
	1601	($libpkg,undef) = split /:/, $libpkg;
[43]	1602	$reqs{$libpkg} = 1;
	1603	}
[38]	1604	}
	1605
[43]	1606	my $deplist = '';
[38]	1607	foreach (keys %reqs) {
	1608	$deplist .= ", $_";
	1609	}
	1610
	1611	# For now, we're done. We're not going to meddle with versions yet.
	1612	# Among other things, it's messier than handling "simple" yes/no "do
	1613	# we have this lib?" deps. >:(
	1614
	1615	return $deplist;
	1616	} # end getreqs()
	1617
	1618
[50]	1619	## install_sdeb()
	1620	# Extracts .sdeb contents to %_topdir as appropriate
	1621	sub install_sdeb {
[92]	1622	$srcpkg = abs_path($srcpkg);
	1623
[50]	1624	my $paxcmd = "cd $topdir; pax -r <$srcpkg; cd -";
	1625
	1626	# In case of %-macros...
	1627	$paxcmd = expandmacros($paxcmd,'gp');
	1628
	1629	system "$paxcmd";
	1630	print "Extracted source package $srcpkg to $topdir.\n";
	1631	} # end install_sdeb()
	1632
	1633
[10]	1634	## expandmacros()
	1635	# Expands all %{blah} macros in the passed string
[14]	1636	# Split up a bit with some sections so we don't spend time trying to
	1637	# expand macros that are only used in a few specific places.
[10]	1638	sub expandmacros {
	1639	my $macrostring = shift;
[14]	1640	my $section = shift;
[10]	1641
[25]	1642	# To allow the FHS-ish %configure and %makeinstall to work The Right Way.
[136]	1643	# (Without clobbering the global $specglobals{buildroot}.)
[12]	1644	my $prefix = '';
	1645
[11]	1646	if ($section =~ /c/) {
[12]	1647	# %configure macro
[17]	1648	# Don't know what it's for, don't have a useful default replacement
	1649	# --program-prefix=%{_program_prefix} \
	1650	$macrostring =~ s'%configure'./configure --host=$DEB_HOST_GNU_TYPE \
	1651	--build=$DEB_BUILD_GNU_TYPE \
	1652	--prefix=%{_prefix} \
	1653	--exec-prefix=%{_exec_prefix} \
	1654	--bindir=%{_bindir} \
	1655	--sbindir=%{_sbindir} \
	1656	--sysconfdir=%{_sysconfdir} \
	1657	--datadir=%{_datadir} \
	1658	--includedir=%{_includedir} \
	1659	--libdir=%{_libdir} \
	1660	--libexecdir=%{_libexecdir} \
	1661	--localstatedir=%{_localstatedir} \
	1662	--sharedstatedir=%{_sharedstatedir} \
	1663	--mandir=%{_mandir} \
	1664	--infodir=%{_infodir} ';
[12]	1665	} # done %configure
	1666
	1667	if ($section =~ /m/) {
	1668	$macrostring =~ s'%{__make}'make ';
[25]	1669	} # done make
[12]	1670
[136]	1671	# %makeinstall expands with recursive macros in rpm. whee.
[12]	1672	if ($section =~ /i/) {
	1673	# This is where we need to mangle $prefix.
[136]	1674	$macrostring =~ s'%makeinstall'make \
	1675	prefix=%{?buildroot:%{buildroot}}%{_prefix} \
	1676	exec_prefix=%{?buildroot:%{buildroot}}%{_exec_prefix} \
	1677	bindir=%{?buildroot:%{buildroot}}%{_bindir} \
	1678	sbindir=%{?buildroot:%{buildroot}}%{_sbindir} \
	1679	sysconfdir=%{?buildroot:%{buildroot}}%{_sysconfdir} \
	1680	datadir=%{?buildroot:%{buildroot}}%{_datadir} \
	1681	includedir=%{?buildroot:%{buildroot}}%{_includedir} \
	1682	libdir=%{?buildroot:%{buildroot}}%{_libdir} \
	1683	libexecdir=%{?buildroot:%{buildroot}}%{_libexecdir} \
	1684	localstatedir=%{?buildroot:%{buildroot}}%{_localstatedir} \
	1685	sharedstatedir=%{?buildroot:%{buildroot}}%{_sharedstatedir} \
	1686	mandir=%{?buildroot:%{buildroot}}%{_mandir} \
	1687	infodir=%{?buildroot:%{buildroot}}%{_infodir} \
	1688	install ';
	1689	$prefix = $specglobals{buildroot};
[12]	1690	} # done %install and/or %makeinstall
	1691
	1692	# Build data
	1693	# Note that these are processed in reverse order to get the substitution order right
	1694	if ($section =~ /b/) {
[24]	1695	# $macrostring =~ s'%{fhs}'host=$DEB_HOST_GNU_TYPE \
	1696	# build=$DEB_BUILD_GNU_TYPE \
	1697	$macrostring =~ s'%{fhs}'prefix=%{_prefix} \
[17]	1698	exec-prefix=%{_exec_prefix} \
	1699	bindir=%{_bindir} \
	1700	sbindir=%{_sbindir} \
	1701	sysconfdir=%{_sysconfdir} \
	1702	datadir=%{_datadir} \
	1703	includedir=%{_includedir} \
	1704	libdir=%{_libdir} \
	1705	libexecdir=%{_libexecdir} \
	1706	localstatedir=%{_localstatedir} \
	1707	sharedstatedir=%{_sharedstatedir} \
	1708	mandir=%{_mandir} \
	1709	infodir=%{_infodir} \
	1710	';
[10]	1711
	1712	# Note that the above regex terminates with the extra space
[12]	1713	# "Just In Case" of user additions, which will then get neatly
	1714	# tagged on the end where they take precedence (supposedly)
	1715	# over the "default" ones.
[10]	1716
[14]	1717	# Now we cascade the macros introduced above. >_<
	1718	# Wot ot to go theah:
	1719	$macrostring =~ s\|%{_mandir}\|%{_datadir}/man\|g; #/usr/share/man
	1720	$macrostring =~ s\|%{_infodir}\|%{_datadir}/info\|g; #/usr/share/info
[25]	1721	$macrostring =~ s\|%{_oldincludedir}\|/usr/include\|g; #/usr/include
[84]	1722	$macrostring =~ s\|%{_includedir}\|%{_prefix}/include\|g; #/usr/include
[25]	1723	$macrostring =~ s\|%{_libdir}\|%{_exec_prefix}/%{_lib}\|g; #/usr/lib
[14]	1724	$macrostring =~ s\|%{_lib}\|lib\|g; #?
[25]	1725	$macrostring =~ s\|%{_localstatedir}\|/var\|g; #/var
	1726	$macrostring =~ s\|%{_sharedstatedir}\|%{_prefix}/com\|g; #/usr/com WTF?
	1727	$macrostring =~ s\|%{_sysconfdir}\|/etc\|g; #/etc
	1728	$macrostring =~ s\|%{_datadir}\|%{_prefix}/share\|g; #/usr/share
	1729	$macrostring =~ s\|%{_libexecdir}\|%{_exec_prefix}/libexec\|g; #/usr/libexec
	1730	$macrostring =~ s\|%{_sbindir}\|%{_exec_prefix}/sbin\|g; #/usr/sbin
	1731	$macrostring =~ s\|%{_bindir}\|%{_exec_prefix}/bin\|g; #/usr/bin
	1732	$macrostring =~ s\|%{_exec_prefix}\|%{_prefix}\|g; #/usr
[14]	1733	$macrostring =~ s\|%{_prefix}\|/usr\|g; #/usr
[10]	1734	} # done with config section
	1735
[12]	1736	# Package data
	1737	if ($section =~ /p/) {
[136]	1738	$macrostring =~ s/\%\{buildroot\}/$specglobals{buildroot}/gi;
[149]	1739	$macrostring =~ s/\%\{source0?}/$topdir\/SOURCES\/$pkgdata{main}{source}/gi;
[15]	1740	foreach my $source (keys %{$pkgdata{sources}}) {
	1741	$macrostring =~ s/\%\{source$source\}/$topdir\/SOURCES\/$pkgdata{sources}{$source}/gi;
	1742	}
	1743	$macrostring =~ s/\%\{name\}/$pkgdata{main}{name}/gi;
	1744	$macrostring =~ s/\%\{version\}/$pkgdata{main}{version}/gi;
	1745	$macrostring =~ s/\%\{release\}/$pkgdata{main}{release}/gi;
[12]	1746	}
	1747
	1748	# Globals, and not-so-globals
	1749	if ($section =~ /g/) {
[60]	1750
[29]	1751	$macrostring =~ s\|%{_builddir}\|%{_topdir}/BUILD\|g;
[169]	1752	$macrostring =~ s\|%{buildsubdir}\|$tarballdir\|g;
[29]	1753	$macrostring =~ s\|%{_topdir}\|$topdir\|g;
[13]	1754	$macrostring =~ s\|%{_tmppath}\|$tmpdir\|g;
[84]	1755	$macrostring =~ s'%{_docdir}'%{_datadir}/doc'g;
[23]	1756
[31]	1757	# Standard FHS locations. More or less.
[30]	1758	$macrostring =~ s'%{_bindir}'/usr/bin'g;
[31]	1759	$macrostring =~ s'%{_sbindir}'/usr/sbin'g;
[84]	1760	$macrostring =~ s'%{_mandir}'%{_datadir}/man'g;
[153]	1761	$macrostring =~ s'%{_infodir}'%{_datadir}/info'g;
[30]	1762	$macrostring =~ s'%{_includedir}'/usr/include'g;
[31]	1763	$macrostring =~ s'%{_libdir}'/usr/lib'g;
	1764	$macrostring =~ s'%{_sysconfdir}'/etc'g;
	1765	$macrostring =~ s'%{_localstatedir}'/var'g;
[175]	1766	$macrostring =~ s'%{_prefix}'/usr'g;
[30]	1767
[84]	1768	# FHS-ish locations that aren't quite actually FHS-specified.
	1769	$macrostring =~ s'%{_datadir}'/usr/share'g;
	1770
[96]	1771	# special %define's. Handle the general case where we eval anything.
	1772	# Even more general: %(...) is a spec-parse-time shell code wrapper.
	1773	# Prime example:
	1774	#%define perl_vendorlib %(eval "`perl -V:installvendorlib`"; echo $installvendorlib)
	1775	if ($macrostring =~ /\%\((.+)\)/) {
	1776	my $shellstr = $1;
	1777	# Oy vey this gets silly for the perl bits. Executing a shell to
	1778	# call Perl to get the vendorlib/sitelib/whatever "core" globals.
	1779	# This can do more, but... eww.
	1780	$shellstr = qx { /bin/sh -c '$shellstr' }; # Yay! ' characters apparently get properly exscapededed.
	1781	$macrostring =~ s/\%\(.+\)/$shellstr/;
	1782	}
	1783
[95]	1784	# support for some %if constructs. Note that this breaks somewhat if
	1785	# there's no value specified... but so does rpm.
[136]	1786
	1787	my $tmpcount = 0; # runaway shutdown. Not really sure how else to avoid getting stuck.
	1788	while ($macrostring =~ m/\%\{([?!]+)([a-z0-9_.-]+)(?:\:([a-z0-9_.\/\-\\]+)?)?\}/g) { #Whew....
[116]	1789	my $qex = $1;
	1790	my $macro = $2;
[136]	1791	my $value = (defined($3) ? $3 : '');
[114]	1792
	1793	my $neg = '1' if $qex =~ /\!/;
[95]	1794	if ($specglobals{$macro}) {
	1795	$value = '' if $neg;
	1796	} else {
	1797	$value = '' if !$neg;
	1798	}
[136]	1799	$macrostring =~ s/\%\{[?!]+[a-z0-9_.-]+(?:\:([a-z0-9_.\/\-\\]+)?)?\}/$value/;
[95]	1800
[114]	1801	# not certain about this, but I don't want to run away. It can happen if planned carefully. :/
	1802	$tmpcount++;
[136]	1803	# %makeinstall has 13 occurrences. D'Oh!
	1804	die "excessive recursive macro replacement; dying.\n" if $tmpcount > 14;
[114]	1805
	1806	} # while()
	1807
[123]	1808	# Misc expansions
	1809	$macrostring =~ s\|%{_arch}\|$hostarch\|g;
	1810	$macrostring =~ s\|%{optflags}\|$optflags{$hostarch}\|g;
[125]	1811	$macrostring =~ s\|%{_vendor}\|$specglobals{'_vendor'}\|g;
[123]	1812
[159]	1813	# system programs. RPM uses a global config file for these; we'll just
	1814	# ASS-U-ME and make life a little simpler.
	1815	if ($macrostring =~ /\%\{\_\_([a-z0-9_-]+)\}/) {
	1816	$macrostring =~ s\|%{__([a-z0-9_-]+)}\|$1\|g;
	1817	}
	1818
[116]	1819	# should probably stick a "no runaway" flag in here... Just In Case...
	1820	# %define's
[158]	1821	# note to self: find out valid chars for %define name/label so we can parse them
	1822	while (my ($key) = ($macrostring =~ /%{([a-z0-9_]+)}/i) ) {
[123]	1823	# hrm. This needs thinking.
	1824	#die "A horrible death! \%{$key}, '$macrostring'\n" if !$specglobals{$key};
[116]	1825	$macrostring =~ s\|%{$key}\|$specglobals{$key}\|g;
	1826	# wanna limit this to "... if $specglobals{$key}", but need more magic
	1827	}
	1828
[113]	1829	# Perl @INC/...lib locations, and other related bits.
	1830	$macrostring =~ s\|%{perl_archlib}\|$Config{installarchlib}\|g;
	1831	$macrostring =~ s\|%{perl_sitelib}\|$Config{installsitelib}\|g;
	1832	$macrostring =~ s\|%{perl_sitearch}\|$Config{installsitearch}\|g;
	1833	$macrostring =~ s\|%{perl_vendorlib}\|$Config{installvendorlib}\|g;
	1834	$macrostring =~ s\|%{perl_vendorarch}\|$Config{installvendorarch}\|g;
	1835
[10]	1836	} # done with globals section
	1837
	1838	return $macrostring;
	1839	} # end expandmacros()
[22]	1840
	1841
	1842
[38]	1843	__END__
	1844
	1845
	1846
[22]	1847	=head1 NAME
	1848
[140]	1849	debbuild - Build Debian-compatible .deb packages from RPM .spec files
[22]	1850
	1851	=head1 SYNOPSIS
	1852
	1853	debbuild {-ba\|-bb\|-bp\|-bc\|-bi\|-bl\|-bs} [build-options] file.spec
	1854
[174]	1855	debbuild {-ta\|-tb\|-tp\|-tc\|-ti\|-tl\|-ts} [build-options] file.tar.{gz\|bz2\|xz}
[22]	1856
[55]	1857	debbuild --rebuild file.{src.rpm\|sdeb}
[22]	1858
[89]	1859	debbuild --showpkgs
	1860
[22]	1861	=head1 DESCRIPTION
	1862
[140]	1863	debbuild attempts to build Debian-friendly semi-native packages from RPM spec files,
[55]	1864	RPM-friendly tarballs, and RPM source packages (.src.rpm files). It accepts I<most> of the
	1865	options rpmbuild does, and should be able to interpret most spec files usefully. Perl
[140]	1866	modules should be handled via CPAN+dh-make-perl instead as it's simpler than even tweaking
	1867	a .spec template.
[22]	1868
[55]	1869	As far as possible, the command-line options are identical to those from rpmbuild, although
[57]	1870	several rpmbuild options are not supported:
[22]	1871
[57]	1872	--recompile
	1873	--showrc
	1874	--buildroot
	1875	--clean
	1876	--nobuild
	1877	--rmsource
	1878	--rmspec
	1879	--sign
	1880	--target
	1881
	1882	Some of these could probably be trivially added. Feel free to send me a patch. ;)
	1883
	1884	Complex spec files will most likely not work well, if at all. Rewrite them from scratch -
	1885	you'll have to make heavy modifications anyway.
	1886
	1887	If you see something you don't like, mail me. Send a patch if you feel inspired. I don't
	1888	promise I'll do anything other than say "Yup, that's broken" or "Got your message".
	1889
[55]	1890	=head1 ASSUMPTIONS
	1891
	1892	As with rpmbuild, debbuild makes some assumptions about your system.
	1893
	1894	=over 4
	1895
	1896	=item *
	1897
	1898	Either you have rights to do as you please under /usr/src/debian, or you have created a file
	1899	~/.debmacros containing a suitable %_topdir definition.
	1900
[57]	1901	Both rpmbuild and debbuild require the directories %_topdir/{BUILD,SOURCES,SPECS}. However,
	1902	where rpmbuild requires the %_topdir/{RPMS,SRPMS} directories, debbuild
	1903	requires %_topdir/{DEBS,SDEBS} instead. Create them in advance;
[55]	1904	some subdirectories are created automatically as needed, but most are not.
	1905
	1906	=item *
	1907
	1908	/var/tmp must allow script execution - rpmbuild and debbuild both rely on creating and
	1909	executing shell scripts for much of their functionality. By default, debbuild also creates
	1910	install trees under /var/tmp - however this is (almost) entirely under the control of the
	1911	package's .spec file.
	1912
	1913	=item *
	1914
	1915	If you wish to --rebuild a .src.rpm, your %_topdir for both debbuild and rpmbuild must either
	1916	match, or be suitably symlinked one direction or another so that both programs are effectively
	1917	working in the same tree. (Or you could just manually wrestle files around your system.)
	1918
	1919	You could symlink ~/.rpmmacros to ~/.debmacros (or vice versa) and save yourself some hassle
	1920	if you need to rebuild .src.rpm packages on a regular basis. Currently debbuild only uses the
	1921	%_topdir macro definition, although there are many more things that rpmbuild can use from
	1922	~/.rpmmacros.
	1923
	1924	=back
	1925
[89]	1926	=head1 ERRATA
	1927
	1928	debbuild deliberately does a few things differently from rpm.
	1929
	1930	=head2 BuildArch or BuildArchitecture
	1931
	1932	rpm takes the last BuildArch entry it finds in the .spec file, whatever it is, and runs with
	1933	that for all packages. Debian's repository system is fairly heavily designed around the
	1934	assumption that a single source package may generate small binary (executable) packages
	1935	for each arch, and large binary arch-all packages containing shared data.
	1936
	1937	debbuild allows this by using the architecture specified by (in order of preference):
	1938
	1939	=over 4
	1940
	1941	=item * Host architecture
	1942
	1943	=item * BuildArch specified in .spec file preamble
	1944
	1945	=item * "Last specified" BuildArch for packages with several subpackages
	1946
	1947	=item * BuildArch specified in the %package section for that subpackage
	1948
	1949	=back
	1950
	1951	=head2 Finding out what packages should be built (--showpkgs)
	1952
	1953	rpmbuild does not include any convenient method I know of to list the packages a spec file
	1954	will produce. Since I needed this ability for another tool, I added it.
	1955
	1956	It requires the .spec file for the package, and produces a list of full package filenames
	1957	(without path data) that would be generated by one of --rebuild, -ta, -tb, -ba, or -bb.
	1958	This includes the .sdeb source package.
	1959
[57]	1960	=head1 AUTHOR
[55]	1961
[57]	1962	debbuild was written by Kris Deugau <kdeugau@deepnet.cx>. A version that approximates
	1963	current is available at http://www.deepnet.cx/debbuild/.
[55]	1964
	1965	=head1 BUGS
	1966
[57]	1967	Funky Things Happen if you forget a command-line option or two. I've been too lazy to bother
	1968	fixing this.
[55]	1969
[57]	1970	Many macro expansions are unsupported or incompletely supported.
	1971
	1972	The generated scriptlets don't quite match those from rpmbuild exactly. There are extra
	1973	environment variables and preprocessing that I haven't needed (yet).
	1974
	1975	Dcumentation, such as it is, will likely remain perpetually out of date.
	1976
	1977	%_topdir and the five "working" directories under %_topdir could arguably be created by
	1978	debbuild. However, rpmbuild doesn't create these directories either.
	1979
	1980	=head1 SEE ALSO
	1981
	1982	rpm(8), rpmbuild(8), and pretty much any document describing how to write a .spec file.
	1983
[22]	1984	=cut

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