our $overwrite_version; # undef: not specified; '': check changelog
our $quilt_mode;
our $quilt_modes_re = 'linear|smash|auto|nofix|nocheck|gbp|dpm|unapplied';
+our $split_brain_save;
our $we_are_responder;
our $initiator_tempdir;
our $patches_applied_dirtily = 00;
our %forceopts = map { $_=>0 }
qw(unrepresentable unsupported-source-format
- dsc-changes-mismatch
+ dsc-changes-mismatch changes-origs-exactly
import-gitapply-absurd
- import-gitapply-no-absurd);
+ import-gitapply-no-absurd
+ import-dsc-with-dgit-field);
our %format_ok = map { $_=>1 } ("1.0","3.0 (native)","3.0 (quilt)");
return "${package}_".(stripepoch $vsn)."_".($arch//'*').".changes";
}
+sub upstreamversion ($) {
+ my ($vsn) = @_;
+ $vsn =~ s/-[^-]+$//;
+ return $vsn;
+}
+
our $us = 'dgit';
initdebug('');
return $d;
}
+sub parse_dscdata () {
+ my $dscfh = new IO::File \$dscdata, '<' or die $!;
+ printdebug Dumper($dscdata) if $debuglevel>1;
+ $dsc = parsecontrolfh($dscfh,$dscurl,1);
+ printdebug Dumper($dsc) if $debuglevel>1;
+}
+
our %rmad;
sub archive_query ($;@) {
fail "$dscurl has hash $got but".
" archive told us to expect $digest";
}
- my $dscfh = new IO::File \$dscdata, '<' or die $!;
- printdebug Dumper($dscdata) if $debuglevel>1;
- $dsc = parsecontrolfh($dscfh,$dscurl,1);
- printdebug Dumper($dsc) if $debuglevel>1;
+ parse_dscdata();
my $fmt = getfield $dsc, 'Format';
$format_ok{$fmt} or forceable_fail [qw(unsupported-source-format)],
"unsupported source format $fmt, sorry";
return 1;
}
+sub changes_update_origs_from_dsc ($$$$) {
+ my ($dsc, $changes, $upstreamvsn, $changesfile) = @_;
+ my %changes_f;
+ printdebug "checking origs needed ($upstreamvsn)...\n";
+ $_ = getfield $changes, 'Files';
+ m/^\w+ \d+ (\S+ \S+) \S+$/m or
+ fail "cannot find section/priority from .changes Files field";
+ my $placementinfo = $1;
+ my %changed;
+ printdebug "checking origs needed placement '$placementinfo'...\n";
+ foreach my $l (split /\n/, getfield $dsc, 'Files') {
+ $l =~ m/\S+$/ or next;
+ my $file = $&;
+ printdebug "origs $file | $l\n";
+ next unless is_orig_file_of_vsn $file, $upstreamvsn;
+ printdebug "origs $file is_orig\n";
+ my $have = archive_query('file_in_archive', $file);
+ if (!defined $have) {
+ print STDERR <<END;
+archive does not support .orig check; hope you used --ch:--sa/-sd if needed
+END
+ return;
+ }
+ my $found_same = 0;
+ my @found_differ;
+ printdebug "origs $file \$#\$have=$#$have\n";
+ foreach my $h (@$have) {
+ my $same = 0;
+ my @differ;
+ foreach my $csumi (@files_csum_info_fields) {
+ my ($fname, $module, $method, $archivefield) = @$csumi;
+ next unless defined $h->{$archivefield};
+ $_ = $dsc->{$fname};
+ next unless defined;
+ m/^(\w+) .* \Q$file\E$/m or
+ fail ".dsc $fname missing entry for $file";
+ if ($h->{$archivefield} eq $1) {
+ $same++;
+ } else {
+ push @differ,
+ "$archivefield: $h->{$archivefield} (archive) != $1 (local .dsc)";
+ }
+ }
+ die "$file ".Dumper($h)." ?!" if $same && @differ;
+ $found_same++
+ if $same;
+ push @found_differ, "archive $h->{filename}: ".join "; ", @differ
+ if @differ;
+ }
+ print "origs $file f.same=$found_same #f._differ=$#found_differ\n";
+ if (@found_differ && !$found_same) {
+ fail join "\n",
+ "archive contains $file with different checksum",
+ @found_differ;
+ }
+ # Now we edit the changes file to add or remove it
+ foreach my $csumi (@files_csum_info_fields) {
+ my ($fname, $module, $method, $archivefield) = @$csumi;
+ next unless defined $changes->{$fname};
+ if ($found_same) {
+ # in archive, delete from .changes if it's there
+ $changed{$file} = "removed" if
+ $changes->{$fname} =~ s/^.* \Q$file\E$(?:)\n//m;
+ } elsif ($changes->{$fname} =~ m/^.* \Q$file\E$(?:)\n/m) {
+ # not in archive, but it's here in the .changes
+ } else {
+ my $dsc_data = getfield $dsc, $fname;
+ $dsc_data =~ m/^(.* \Q$file\E$)\n/m or die "$dsc_data $file ?";
+ my $extra = $1;
+ $extra =~ s/ \d+ /$&$placementinfo /
+ or die "$fname $extra >$dsc_data< ?"
+ if $fname eq 'Files';
+ $changes->{$fname} .= "\n". $extra;
+ $changed{$file} = "added";
+ }
+ }
+ }
+ if (%changed) {
+ foreach my $file (keys %changed) {
+ progress sprintf
+ "edited .changes for archive .orig contents: %s %s",
+ $changed{$file}, $file;
+ }
+ my $chtmp = "$changesfile.tmp";
+ $changes->save($chtmp);
+ if (act_local()) {
+ rename $chtmp,$changesfile or die "$changesfile $!";
+ } else {
+ progress "[new .changes left in $changesfile]";
+ }
+ } else {
+ progress "$changesfile already has appropriate .orig(s) (if any)";
+ }
+}
+
sub make_commit ($) {
my ($file) = @_;
return cmdoutput @git, qw(hash-object -w -t commit), $file;
my $f = $fi->{Filename};
die "$f ?" if $f =~ m#/|^\.|\.dsc$|\.tmp$#;
- link_ltarget "../../../$f", $f
+ printdebug "considering linking $f: ";
+
+ link_ltarget "../../../../$f", $f
+ or ((printdebug "($!) "), 0)
or $!==&ENOENT
or die "$f $!";
+ printdebug "linked.\n";
+
complete_file_from_dsc('.', $fi)
or next;
# from the debian/changelog, so we record the tree objects now and
# make them into commits later.
my @tartrees;
- my $upstreamv = $dsc->{version};
- $upstreamv =~ s/-[^-]+$//;
+ my $upstreamv = upstreamversion $dsc->{version};
my $orig_f_base = srcfn $upstreamv, '';
foreach my $fi (@dfi) {
if (stat_exists $tf) {
progress "using existing $f";
} else {
+ printdebug "$tf does not exist, need to fetch\n";
my $furl = $dscurl;
$furl =~ s{/[^/]+$}{};
$furl .= "/$f";
# git fetch to try to generate it. If we don't manage to generate
# the target state, we try again.
+ printdebug "git_fetch_us specs @specs\n";
+
my $specre = join '|', map {
my $x = $_;
$x =~ s/\W/\\$&/g;
my $fetch_iteration = 0;
FETCH_ITERATION:
for (;;) {
+ printdebug "git_fetch_us iteration $fetch_iteration\n";
if (++$fetch_iteration > 10) {
fail "too many iterations trying to get sane fetch!";
}
"+refs/$_:".lrfetchrefs."/$_";
} @specs;
+ printdebug "git_fetch_us fspecs @fspecs\n";
+
my @fcmd = (@git, qw(fetch -p -n -q), access_giturl(), @fspecs);
runcmd_ordryrun_local @git, qw(fetch -p -n -q), access_giturl(),
@fspecs;
};
if (defined $dsc_hash) {
- fail "missing remote git history even though dsc has hash -".
- " could not find ref ".rref()." at ".access_giturl()
- unless $lastpush_hash;
ensure_we_have_orig();
- if ($dsc_hash eq $lastpush_hash) {
+ if (!$lastpush_hash || $dsc_hash eq $lastpush_hash) {
@mergeinputs = $dsc_mergeinput
} elsif (is_fast_fwd($dsc_hash,$lastpush_hash)) {
print STDERR <<END or die $!;
die "$lasth $hash $what ?" unless is_fast_fwd($lasth, $hash);
};
- $chkff->($lastpush_hash, 'dgit repo server tip (last push)');
+ $chkff->($lastpush_hash, 'dgit repo server tip (last push)')
+ if $lastpush_hash;
$chkff->($lastfetch_hash, 'local tracking tip (last fetch)');
runcmd @git, qw(update-ref -m), "dgit fetch $csuite",
}
setup_new_tree();
runcmd @git, qw(reset --hard), lrref();
+ runcmd qw(bash -ec), <<'END';
+ set -o pipefail
+ git ls-tree -r --name-only -z HEAD | \
+ xargs -0r touch -r . --
+END
printdone "ready for work in $dstdir";
}
return 1;
}
+sub maybe_split_brain_save ($$$) {
+ my ($headref, $dgitview, $msg) = @_;
+ # => message fragment "$saved" describing disposition of $dgitview
+ return "commit id $dgitview" unless defined $split_brain_save;
+ my @cmd = (shell_cmd "cd ../../../..",
+ @git, qw(update-ref -m),
+ "dgit --dgit-view-save $msg HEAD=$headref",
+ $split_brain_save, $dgitview);
+ runcmd @cmd;
+ return "and left in $split_brain_save";
+}
+
# An "infopair" is a tuple [ $thing, $what ]
# (often $thing is a commit hash; $what is a description)
Make fast forward from $i_arch_v->[0]
END_MAKEFF
+ maybe_split_brain_save $maintview, $r, "pseudomerge";
+
progress "Made pseudo-merge of $i_arch_v->[0] into dgit view.";
return $r;
}
my $dgithead = $actualhead;
my $maintviewhead = undef;
- my $upstreamversion = $clogp->{Version};
- $upstreamversion =~ s/-[^-]*$//;
+ my $upstreamversion = upstreamversion $clogp->{Version};
if (madformat_wantfixup($format)) {
# user might have not used dgit build, so maybe do this now:
files_compare_inputs($dsc, $changes)
unless forceing [qw(dsc-changes-mismatch)];
+ # Perhaps adjust .dsc to contain right set of origs
+ changes_update_origs_from_dsc($dsc, $changes, $upstreamversion,
+ $changesfile)
+ unless forceing [qw(changes-origs-exactly)];
+
# Checks complete, we're going to try and go ahead:
responder_send_file('changes',$changesfile);
sub cmd_pull {
parseopts();
fetchpullargs();
+ if (quiltmode_splitbrain()) {
+ my ($format, $fopts) = get_source_format();
+ madformat($format) and fail <<END
+dgit pull not yet supported in split view mode (--quilt=$quilt_mode)
+END
+ }
pull();
}
runcmd @git, qw(update-ref -m), $cachekey, "refs/$splitbraincache",
$dgitview;
- progress "dgit view: created (commit id $dgitview)";
-
changedir '.git/dgit/unpack/work';
+
+ my $saved = maybe_split_brain_save $headref, $dgitview, "converted";
+ progress "dgit view: created ($saved)";
}
sub quiltify ($$$$) {
prep_ud();
changedir $ud;
- my $upstreamversion=$version;
- $upstreamversion =~ s/-[^-]*$//;
+ my $upstreamversion = upstreamversion $version;
if ($fopts->{'single-debian-patch'}) {
quilt_fixup_singlepatch($clogp, $headref, $upstreamversion);
my $cachehit = $1;
quilt_fixup_mkwork($headref);
+ my $saved = maybe_split_brain_save $headref, $cachehit, "cache-hit";
if ($cachehit ne $headref) {
- progress "dgit view: found cached (commit id $cachehit)";
+ progress "dgit view: found cached ($saved)";
runcmd @git, qw(checkout -q -b dgit-view), $cachehit;
$split_brain = 1;
return ($cachehit, $splitbrain_cachekey);
maybe_unapply_patches_again();
}
-sub build_prep () {
+sub build_prep_early () {
+ our $build_prep_early_done //= 0;
+ return if $build_prep_early_done++;
notpushing();
badusage "-p is not allowed when building" if defined $package;
- check_not_dirty();
- clean_tree();
my $clogp = parsechangelog();
$isuite = getfield $clogp, 'Distribution';
$package = getfield $clogp, 'Source';
$version = getfield $clogp, 'Version';
+ check_not_dirty();
+}
+
+sub build_prep () {
+ build_prep_early();
+ clean_tree();
build_maybe_quilt_fixup();
if ($rmchanges) {
my $pat = changespat $version;
}
sub cmd_gbp_build {
+ build_prep_early();
+
+ # gbp can make .origs out of thin air. In my tests it does this
+ # even for a 1.0 format package, with no origs present. So I
+ # guess it keys off just the version number. We don't know
+ # exactly what .origs ought to exist, but let's assume that we
+ # should run gbp if: the version has an upstream part and the main
+ # orig is absent.
+ my $upstreamversion = upstreamversion $version;
+ my $origfnpat = srcfn $upstreamversion, '.orig.tar.*';
+ my $gbp_make_orig = $version =~ m/-/ && !(() = glob "../$origfnpat");
+
+ if ($gbp_make_orig) {
+ clean_tree();
+ $cleanmode = 'none'; # don't do it again
+ $need_split_build_invocation = 1;
+ }
+
my @dbp = @dpkgbuildpackage;
my $wantsrc = massage_dbp_args \@dbp, \@ARGV;
push @cmd, (qw(-us -uc --git-no-sign-tags), "--git-builder=@dbp");
+ if ($gbp_make_orig) {
+ ensuredir '.git/dgit';
+ my $ok = '.git/dgit/origs-gen-ok';
+ unlink $ok or $!==&ENOENT or die $!;
+ my @origs_cmd = @cmd;
+ push @origs_cmd, qw(--git-cleaner=true);
+ push @origs_cmd, "--git-prebuild=touch $ok .git/dgit/no-such-dir/ok";
+ push @origs_cmd, @ARGV;
+ if (act_local()) {
+ debugcmd @origs_cmd;
+ system @origs_cmd;
+ do { local $!; stat_exists $ok; }
+ or failedcmd @origs_cmd;
+ } else {
+ dryrun_report @origs_cmd;
+ }
+ }
+
if ($wantsrc > 0) {
build_source();
midbuild_checkchanges_vanilla $wantsrc;
build_maybe_quilt_fixup();
}
+sub cmd_import_dsc {
+ my $needsig = 0;
+
+ while (@ARGV) {
+ last unless $ARGV[0] =~ m/^-/;
+ $_ = shift @ARGV;
+ last if m/^--?$/;
+ if (m/^--require-valid-signature$/) {
+ $needsig = 1;
+ } else {
+ badusage "unknown dgit import-dsc sub-option \`$_'";
+ }
+ }
+
+ badusage "usage: dgit import-dsc .../PATH/TO/.DSC BRANCH" unless @ARGV==2;
+ my ($dscfn, $dstbranch) = @ARGV;
+
+ badusage "dry run makes no sense with import-dsc" unless act_local();
+
+ my $force = $dstbranch =~ s/^\+// ? +1 :
+ $dstbranch =~ s/^\.\.// ? -1 :
+ 0;
+ my $info = $force ? " $&" : '';
+ $info = "$dscfn$info";
+
+ my $specbranch = $dstbranch;
+ $dstbranch = "refs/heads/$dstbranch" unless $dstbranch =~ m#^refs/#;
+ $dstbranch = cmdoutput @git, qw(check-ref-format --normalize), $dstbranch;
+
+ my @symcmd = (@git, qw(symbolic-ref -q HEAD));
+ my $chead = cmdoutput_errok @symcmd;
+ defined $chead or $?==256 or failedcmd @symcmd;
+
+ fail "$dstbranch is checked out - will not update it"
+ if defined $chead and $chead eq $dstbranch;
+
+ my $oldhash = git_get_ref $dstbranch;
+
+ open D, "<", $dscfn or fail "open import .dsc ($dscfn): $!";
+ $dscdata = do { local $/ = undef; <D>; };
+ D->error and fail "read $dscfn: $!";
+ close C;
+
+ # we don't normally need this so import it here
+ use Dpkg::Source::Package;
+ my $dp = new Dpkg::Source::Package filename => $dscfn,
+ require_valid_signature => $needsig;
+ {
+ local $SIG{__WARN__} = sub {
+ print STDERR $_[0];
+ return unless $needsig;
+ fail "import-dsc signature check failed";
+ };
+ if (!$dp->is_signed()) {
+ warn "$us: warning: importing unsigned .dsc\n";
+ } else {
+ my $r = $dp->check_signature();
+ die "->check_signature => $r" if $needsig && $r;
+ }
+ }
+
+ parse_dscdata();
+
+ my $dgit_commit = $dsc->{$ourdscfield[0]};
+ if (defined $dgit_commit &&
+ !forceing [qw(import-dsc-with-dgit-field)]) {
+ $dgit_commit =~ m/\w+/ or fail "invalid hash in .dsc";
+ progress "dgit: import-dsc of .dsc with Dgit field, using git hash";
+ my @cmd = (qw(sh -ec),
+ "echo $dgit_commit | git cat-file --batch-check");
+ my $objgot = cmdoutput @cmd;
+ if ($objgot =~ m#^\w+ missing\b#) {
+ fail <<END
+.dsc contains Dgit field referring to object $dgit_commit
+Your git tree does not have that object. Try `git fetch' from a
+plausible server (browse.dgit.d.o? alioth?), and try the import-dsc again.
+END
+ }
+ if ($oldhash && !is_fast_fwd $oldhash, $dgit_commit) {
+ if ($force > 0) {
+ progress "Not fast forward, forced update.";
+ } else {
+ fail "Not fast forward to $dgit_commit";
+ }
+ }
+ @cmd = (@git, qw(update-ref -m), "dgit import-dsc (Dgit): $info",
+ $dstbranch, $dgit_commit);
+ runcmd @cmd;
+ progress "dgit: import-dsc updated git ref $dstbranch";
+ return 0;
+ }
+
+ fail <<END
+Branch $dstbranch already exists
+Specify ..$specbranch for a pseudo-merge, binding in existing history
+Specify +$specbranch to overwrite, discarding existing history
+END
+ if $oldhash && !$force;
+
+ $package = getfield $dsc, 'Source';
+ my @dfi = dsc_files_info();
+ foreach my $fi (@dfi) {
+ my $f = $fi->{Filename};
+ my $here = "../$f";
+ next if lstat $here;
+ fail "stat $here: $!" unless $! == ENOENT;
+ my $there = $dscfn;
+ if ($dscfn =~ m#^(?:\./+)?\.\./+#) {
+ $there = $';
+ } elsif ($dscfn =~ m#^/#) {
+ $there = $dscfn;
+ } else {
+ fail "cannot import $dscfn which seems to be inside working tree!";
+ }
+ $there =~ s#/+[^/]+$## or
+ fail "cannot import $dscfn which seems to not have a basename";
+ $there .= "/$f";
+ symlink $there, $here or fail "symlink $there to $here: $!";
+ progress "made symlink $here -> $there";
+ print STDERR Dumper($fi);
+ }
+ my @mergeinputs = generate_commits_from_dsc();
+ die unless @mergeinputs == 1;
+
+ my $newhash = $mergeinputs[0]{Commit};
+
+ if ($oldhash) {
+ if ($force > 0) {
+ progress "Import, forced update - synthetic orphan git history.";
+ } elsif ($force < 0) {
+ progress "Import, merging.";
+ my $tree = cmdoutput @git, qw(rev-parse), "$newhash:";
+ my $version = getfield $dsc, 'Version';
+ $newhash = make_commit_text <<END;
+tree $tree
+parent $newhash
+parent $oldhash
+
+Merge $package ($version) import into $dstbranch
+END
+ } else {
+ die; # caught earlier
+ }
+ }
+
+ my @cmd = (@git, qw(update-ref -m), "dgit import-dsc: $info",
+ $dstbranch, $newhash);
+ runcmd @cmd;
+ progress "dgit: import-dsc results are in in git ref $dstbranch";
+}
+
sub cmd_archive_api_query {
badusage "need only 1 subpath argument" unless @ARGV==1;
my ($subpath) = @ARGV;
} elsif (m/^--overwrite=(.+)$/s) {
push @ropts, $_;
$overwrite_version = $1;
+ } elsif (m/^--delayed=(\d+)$/s) {
+ push @ropts, $_;
+ push @dput, $_;
+ } elsif (m/^--dgit-view-save=(.+)$/s) {
+ push @ropts, $_;
+ $split_brain_save = $1;
+ $split_brain_save =~ s#^(?!refs/)#refs/heads/#;
} elsif (m/^--(no-)?rm-old-changes$/s) {
push @ropts, $_;
$rmchanges = !$1;