# dgit
# Integration between git and Debian-style archives
#
-# Copyright (C)2013-2017 Ian Jackson
-# Copyright (C)2017 Sean Whitton
+# Copyright (C)2013-2018 Ian Jackson
+# Copyright (C)2017-2018 Sean Whitton
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
our $buildproductsdir;
our $bpd_glob;
our $new_package = 0;
-our $ignoredirty = 0;
+our $includedirty = 0;
our $rmonerror = 1;
our @deliberatelies;
our %previously;
autoflush STDOUT 1;
our $supplementary_message = '';
-our $need_split_build_invocation = 0;
+our $need_split_build_invocation = 1;
our $split_brain = 0;
END {
sub bpd_abs () {
my $r = $buildproductsdir;
$r = "$maindir/$r" unless $r =~ m{^/};
+ return $r;
}
sub branch_gdr_info ($$) {
}
}
- return if $ignoredirty;
+ return if $includedirty;
git_check_unmodified();
}
dopush();
}
-sub cmd_push_source {
- prep_push();
- if ($changesfile) {
- my $changes = parsecontrol("$buildproductsdir/$changesfile",
- "source changes file");
- unless (test_source_only_changes($changes)) {
- fail "user-specified changes file is not source-only";
- }
- } else {
- # Building a source package is very fast, so just do it
- build_source_for_push();
- }
- dopush();
-}
-
#---------- remote commands' implementation ----------
sub pre_remote_push_build_host {
@git, qw(pull --ff-only -q), "$playground/work", qw(master);
}
-sub quilt_fixup_mkwork ($) {
+sub unpack_playtree_mkwork ($) {
my ($headref) = @_;
mkdir "work" or die $!;
runcmd @git, qw(reset -q --hard), $headref;
}
-sub quilt_fixup_linkorigs ($$) {
+sub unpack_playtree_linkorigs ($$) {
my ($upstreamversion, $fn) = @_;
# calls $fn->($leafname);
- opendir QFD, bpd_abs();
+ my $bpd_abs = bpd_abs();
+ opendir QFD, $bpd_abs or fail "buildproductsdir: $bpd_abs: $!";
while ($!=0, defined(my $b = readdir QFD)) {
my $f = bpd_abs()."/".$b;
{
# get it to generate debian/patches/debian-changes, it is
# necessary to build the source package.
- quilt_fixup_linkorigs($upstreamversion, sub { });
- quilt_fixup_mkwork($headref);
+ unpack_playtree_linkorigs($upstreamversion, sub { });
+ unpack_playtree_mkwork($headref);
rmtree("debian/patches");
print $fakedsc " ".$md->hexdigest." $size $b\n" or die $!;
};
- quilt_fixup_linkorigs($upstreamversion, $dscaddfile);
+ unpack_playtree_linkorigs($upstreamversion, $dscaddfile);
my @files=qw(debian/source/format debian/rules
debian/control debian/changelog);
next unless m/^(\w+) (\S.*\S)$/ && $2 eq $splitbrain_cachekey;
my $cachehit = $1;
- quilt_fixup_mkwork($headref);
+ unpack_playtree_mkwork($headref);
my $saved = maybe_split_brain_save $headref, $cachehit, "cache-hit";
if ($cachehit ne $headref) {
progress "dgit view: found cached ($saved)";
changedir '..';
- quilt_fixup_mkwork($headref);
+ unpack_playtree_mkwork($headref);
my $mustdeletepc=0;
if (stat_exists ".pc") {
maybe_unapply_patches_again();
}
+# return values from massage_dbp_args are one or both of these flags
+sub WANTSRC_SOURCE () { 01; } # caller should build source (separately)
+sub WANTSRC_BUILDER () { 02; } # caller should run dpkg-buildpackage
+
sub build_or_push_prep_early () {
our $build_or_push_prep_early_done //= 0;
return if $build_or_push_prep_early_done++;
check_not_dirty();
}
-sub build_prep () {
+sub build_prep ($) {
+ my ($wantsrc) = @_;
build_prep_early();
- clean_tree();
+ # clean the tree if we're trying to include dirty changes in the
+ # source package, or we are running the builder in $maindir
+ clean_tree() if $includedirty || ($wantsrc & WANTSRC_BUILDER);
build_maybe_quilt_fixup();
if ($rmchanges) {
my $pat = changespat $version;
# unless we're not doing a split build and want dpkg-source
# as cleanmode, in which case we can do nothing
#
- # return values:
- # 0 - source will NOT need to be built separately by caller
- # +1 - source will need to be built separately by caller
- # +2 - source will need to be built separately by caller AND
- # dpkg-buildpackage should not in fact be run at all!
debugcmd '#massaging#', @$cmd if $debuglevel>1;
#print STDERR "MASS0 ",Dumper($cmd, $xargs, $need_split_build_invocation);
if ($cleanmode eq 'dpkg-source' && !$need_split_build_invocation) {
$clean_using_builder = 1;
- return 0;
+ return WANTSRC_BUILDER;
}
# -nc has the side effect of specifying -b if nothing else specified
# and some combinations of -S, -b, et al, are errors, rather than
}
push @$cmd, '-nc';
#print STDERR "MASS1 ",Dumper($cmd, $xargs, $dmode);
- my $r = 0;
+ my $r = WANTSRC_BUILDER;
if ($need_split_build_invocation) {
printdebug "massage split $dmode.\n";
- $r = $dmode =~ m/[S]/ ? +2 :
- $dmode =~ y/gGF/ABb/ ? +1 :
- $dmode =~ m/[ABb]/ ? 0 :
+ $r = $dmode =~ m/[S]/ ? WANTSRC_SOURCE :
+ $dmode =~ y/gGF/ABb/ ? WANTSRC_SOURCE | WANTSRC_BUILDER :
+ $dmode =~ m/[ABb]/ ? WANTSRC_BUILDER :
die "$dmode ?";
}
printdebug "massage done $r $dmode.\n";
# or if that is undef, be a no-op.
# Returns the changes file to report to the user.
my $pat = changespat $version;
- my @changesfiles = glob $pat;
+ my @changesfiles = grep { !m/_multi\.changes/ } glob $pat;
@changesfiles = sort {
($b =~ m/_source\.changes$/ <=> $a =~ m/_source\.changes$/)
or $a cmp $b
my $pat = changespat $version;
return if $rmchanges;
my @unwanted = map { s#.*/##; $_; } glob "$bpd_glob/$pat";
- @unwanted = grep { $_ ne changespat $version,'source' } @unwanted;
+ @unwanted = grep {
+ $_ ne changespat $version,'source' and
+ $_ ne changespat $version,'multi'
+ } @unwanted;
fail <<END
changes files other than source matching $pat already present; building would result in ambiguity about the intended results.
Suggest you delete @unwanted.
sub midbuild_checkchanges_vanilla ($) {
my ($wantsrc) = @_;
- midbuild_checkchanges() if $wantsrc == 1;
+ midbuild_checkchanges() if $wantsrc == (WANTSRC_SOURCE|WANTSRC_BUILDER);
}
sub postbuild_mergechanges_vanilla ($) {
my ($wantsrc) = @_;
- if ($wantsrc == 1) {
+ if ($wantsrc == (WANTSRC_SOURCE|WANTSRC_BUILDER)) {
in_bpd {
postbuild_mergechanges(undef);
};
build_prep_early();
my @dbp = (@dpkgbuildpackage, qw(-us -uc), changesopts_initial(), @ARGV);
my $wantsrc = massage_dbp_args \@dbp;
- if ($wantsrc > 0) {
+ build_prep($wantsrc);
+ if ($wantsrc & WANTSRC_SOURCE) {
build_source();
midbuild_checkchanges_vanilla $wantsrc;
- } else {
- build_prep();
}
- if ($wantsrc < 2) {
+ if ($wantsrc & WANTSRC_BUILDER) {
push @dbp, changesopts_version();
maybe_apply_patches_dirtily();
runcmd_ordryrun_local @dbp;
}
}
- if ($wantsrc > 0) {
+ build_prep($wantsrc);
+ if ($wantsrc & WANTSRC_SOURCE) {
build_source();
midbuild_checkchanges_vanilla $wantsrc;
} else {
if (!$clean_using_builder) {
push @cmd, '--git-cleaner=true';
}
- build_prep();
}
maybe_unapply_patches_again();
- if ($wantsrc < 2) {
+ if ($wantsrc & WANTSRC_BUILDER) {
push @cmd, changesopts();
runcmd_ordryrun_local @cmd, @ARGV;
}
}
sub cmd_git_build { cmd_gbp_build(); } # compatibility with <= 1.0
-sub build_source_for_push {
- build_source();
- maybe_unapply_patches_again();
- $changesfile = $sourcechanges;
+sub building_source_in_playtree {
+ # If $includedirty, we have to build the source package from the
+ # working tree, not a playtree, so that uncommitted changes are
+ # included (copying or hardlinking them into the playtree could
+ # cause trouble).
+ #
+ # Note that if we are building a source package in split brain
+ # mode we do not support including uncommitted changes, because
+ # that makes quilt fixup too hard. I.e. ($split_brain && (dgit is
+ # building a source package)) => !$includedirty
+ return !$includedirty;
}
sub build_source {
- build_prep_early();
- build_prep();
$sourcechanges = changespat $version,'source';
if (act_local()) {
unlink "$buildproductsdir/$sourcechanges" or $!==ENOENT
}
$dscfn = dscfn($version);
my @cmd = (@dpkgsource, qw(-b --));
- if ($split_brain) {
+ my $leafdir;
+ if (building_source_in_playtree()) {
+ $leafdir = 'work';
+ my $headref = git_rev_parse('HEAD');
+ # If we are in split brain, there is already a playtree with
+ # the thing we should package into a .dsc (thanks to quilt
+ # fixup). If not, make a playtree
+ prep_ud() unless $split_brain;
changedir $playground;
- runcmd_ordryrun_local @cmd, "work";
- my @udfiles = <${package}_*>;
- changedir $maindir;
- foreach my $f (@udfiles) {
- printdebug "source copy, found $f\n";
- next unless
- $f eq $dscfn or
- ($f =~ m/\.debian\.tar(?:\.\w+)$/ &&
- $f eq srcfn($version, $&));
- printdebug "source copy, found $f - renaming\n";
- rename "$playground/$f", "$buildproductsdir/$f" or $!==ENOENT
- or fail "put in place new source file ($f): $!";
+ unless ($split_brain) {
+ my $upstreamversion = upstreamversion $version;
+ unpack_playtree_linkorigs($upstreamversion, sub { });
+ unpack_playtree_mkwork($headref);
+ changedir '..';
}
} else {
- my $pwd = must_getcwd();
- my $leafdir = basename $pwd;
- changedir "..";
- runcmd_ordryrun_local @cmd, $leafdir;
- changedir $pwd;
+ $leafdir = basename $maindir;
+ changedir '..';
}
+ runcmd_ordryrun_local @cmd, $leafdir;
+
+ changedir $leafdir;
runcmd_ordryrun_local qw(sh -ec),
- 'exec >$1; shift; exec "$@"','x',
- "$buildproductsdir/$sourcechanges",
+ 'exec >../$1; shift; exec "$@"','x', $sourcechanges,
@dpkggenchanges, qw(-S), changesopts();
+ changedir '..';
+
+ printdebug "moving $dscfn, $sourcechanges, etc. to ".bpd_abs()."\n";
+ $dsc = parsecontrol($dscfn, "source package");
+
+ my $mv = sub {
+ my ($why, $l) = @_;
+ printdebug " renaming ($why) $l\n";
+ rename "$l", bpd_abs()."/$l"
+ or fail "put in place new built file ($l): $!";
+ };
+ foreach my $l (split /\n/, getfield $dsc, 'Files') {
+ $l =~ m/\S+$/ or next;
+ $mv->('Files', $&);
+ }
+ $mv->('dsc', $dscfn);
+ $mv->('changes', $sourcechanges);
+
+ changedir $maindir;
}
sub cmd_build_source {
- build_prep_early();
badusage "build-source takes no additional arguments" if @ARGV;
+ build_prep(WANTSRC_SOURCE);
build_source();
maybe_unapply_patches_again();
printdone "source built, results in $dscfn and $sourcechanges";
}
+sub cmd_push_source {
+ prep_push();
+ fail "dgit push-source: --include-dirty/--ignore-dirty does not make".
+ "sense with push-source!" if $includedirty;
+ build_maybe_quilt_fixup();
+ if ($changesfile) {
+ my $changes = parsecontrol("$buildproductsdir/$changesfile",
+ "source changes file");
+ unless (test_source_only_changes($changes)) {
+ fail "user-specified changes file is not source-only";
+ }
+ } else {
+ # Building a source package is very fast, so just do it
+ build_source();
+ die "er, patches are applied dirtily but shouldn't be.."
+ if $patches_applied_dirtily;
+ $changesfile = $sourcechanges;
+ }
+ dopush();
+}
+
sub cmd_sbuild {
+ build_prep(WANTSRC_SOURCE); # not BUILDER because sbuild uses the .dsc
build_source();
midbuild_checkchanges();
in_bpd {
} elsif (m/^--(gbp|dpm)$/s) {
push @ropts, "--quilt=$1";
$quilt_mode = $1;
- } elsif (m/^--ignore-dirty$/s) {
+ } elsif (m/^--(?:ignore|include)-dirty$/s) {
push @ropts, $_;
- $ignoredirty = 1;
+ $includedirty = 1;
} elsif (m/^--no-quilt-fixup$/s) {
push @ropts, $_;
$quilt_mode = 'nocheck';
$tagformat_want = [ $1, 'command line', 1 ];
# 1 menas overrides distro configuration
} elsif (m/^--always-split-source-build$/s) {
- # undocumented, for testing
+ # undocumented, was once for testing, now a no-op
push @ropts, $_;
$need_split_build_invocation = 1;
} elsif (m/^--config-lookup-explode=(.+)$/s) {
$need_split_build_invocation ||= quiltmode_splitbrain();
+ fail "dgit: --include-dirty is not supported in split view quilt mode"
+ if $split_brain && $includedirty;
+
if (!defined $cleanmode) {
local $access_forpush;
$cleanmode = access_cfg('clean-mode', 'RETURN-UNDEF');