use Digest::MD5;
use Config;
+use Debian::Dgit;
+
our $our_version = 'UNRELEASED'; ###substituted###
our $rpushprotovsn = 2;
our $buildproductsdir = '..';
our $new_package = 0;
our $ignoredirty = 0;
-our $noquilt = 0;
our $rmonerror = 1;
+our @deliberatelies;
our $existing_package = 'dpkg';
our $cleanmode = 'dpkg-source';
our $changes_since_version;
+our $quilt_mode;
+our $quilt_modes_re = 'linear|smash|auto|nofix|nocheck';
our $we_are_responder;
our $initiator_tempdir;
our $remotename = 'dgit';
our @ourdscfield = qw(Dgit Vcs-Dgit-Master);
-our $branchprefix = 'dgit';
our $csuite;
our $instead_distro;
sub lbranch () { return "$branchprefix/$csuite"; }
my $lbranch_re = '^refs/heads/'.$branchprefix.'/([^/.]+)$';
sub lref () { return "refs/heads/".lbranch(); }
-sub lrref () { return "refs/remotes/$remotename/$branchprefix/$csuite"; }
-sub rrref () { return "refs/$branchprefix/$csuite"; }
-sub debiantag ($) {
- my ($v) = @_;
- $v =~ y/~:/_%/;
- return "debian/$v";
-}
+sub lrref () { return "refs/remotes/$remotename/".server_branch($csuite); }
+sub rrref () { return server_ref($csuite); }
sub stripepoch ($) {
my ($vsn) = @_;
chdir $newdir or die "chdir: $newdir: $!";
}
-sub stat_exists ($) {
- my ($f) = @_;
- return 1 if stat $f;
- return 0 if $!==&ENOENT;
- die "stat $f: $!";
+sub deliberately ($) {
+ return !!grep { $_[0] eq $_ } @deliberatelies;
}
#---------- remote protocol support, common ----------
'dgit-distro.debian.git-user-force' => 'dgit',
'dgit-distro.debian.git-proto' => 'git+ssh://',
'dgit-distro.debian.git-path' => '/dgit/debian/repos',
+ 'dgit-distro.debian.git-check' => 'ssh-cmd',
+ 'dgit-distro.debian.archive-query-url', 'https://api.ftp-master.debian.org/',
+ 'dgit-distro.debian.archive-query-tls-key',
+ '/etc/ssl/certs/%HOST%.pem:/etc/dgit/%HOST%.pem',
'dgit-distro.debian.diverts.alioth' => '/alioth',
'dgit-distro.debian/alioth.git-host' => 'git.debian.org',
'dgit-distro.debian/alioth.git-user-force' => '',
'dgit-distro.debian/alioth.git-proto' => 'git+ssh://',
'dgit-distro.debian/alioth.git-path' => '/git/dgit-repos/repos',
- 'dgit-distro.debian.git-check' => 'ssh-cmd',
- 'dgit-distro.debian.git-create' => 'ssh-cmd',
+ 'dgit-distro.debian/alioth.git-create' => 'ssh-cmd',
'dgit-distro.debian.sshpsql-host' => 'mirror.ftp-master.debian.org',
'dgit-distro.debian.upload-host' => 'ftp-master', # for dput
'dgit-distro.debian.mirror' => 'http://ftp.debian.org/debian/',
return $d;
}
+sub archive_api_query_cmd ($) {
+ my ($subpath) = @_;
+ my @cmd = qw(curl -sS);
+ my $url = access_cfg('archive-query-url');
+ if ($url =~ m#^https://([-.0-9a-z]+)/#) {
+ my $host = $1;
+ my $keys = access_cfg('archive-query-tls-key','RETURN-UNDEF');
+ foreach my $key (split /\:/, $keys) {
+ $key =~ s/\%HOST\%/$host/g;
+ if (!stat $key) {
+ fail "for $url: stat $key: $!" unless $!==ENOENT;
+ next;
+ }
+ push @cmd, "--ca-certificate=$key", "--ca-directory=/dev/enoent";
+ last;
+ }
+ }
+ push @cmd, $url.$subpath;
+ return @cmd;
+}
+
our %rmad;
sub archive_query ($) {
}
fetch_from_archive() or no_such_package;
my $vcsgiturl = $dsc->{'Vcs-Git'};
+ $vcsgiturl =~ s/\s+-b\s+\S+//g;
if (length $vcsgiturl) {
runcmd @git, qw(remote add vcs-git), $vcsgiturl;
}
sub madformat ($) {
my ($format) = @_;
return 0 unless $format eq '3.0 (quilt)';
- if ($noquilt) {
+ if ($quilt_mode eq 'nocheck') {
progress "Not doing any fixup of \`$format' due to --no-quilt-fixup";
return 0;
}
# We make the git tag by hand because (a) that makes it easier
# to control the "tagger" (b) we can do remote signing
my $authline = clogp_authline $clogp;
+ my $delibs = join(" ", "",@deliberatelies);
open TO, '>', $tfn->('.tmp') or die $!;
print TO <<END or die $!;
object $head
tagger $authline
$package release $cversion for $clogsuite ($csuite) [dgit]
+[dgit distro=$distro$delibs]
END
close TO or die $!;
our $sourcechanges;
our $dscfn;
+#----- `3.0 (quilt)' handling -----
+
our $fakeeditorenv = 'DGIT_FAKE_EDITOR_QUILT';
-sub quiltify_dpkg_commit ($$$$) {
- my ($patchname,$title,$author,$msg) = @_;
+sub quiltify_dpkg_commit ($$$;$) {
+ my ($patchname,$author,$msg, $xinfo) = @_;
+ $xinfo //= '';
mkpath '.git/dgit';
my $descfn = ".git/dgit/quilt-description.tmp";
open O, '>', $descfn or die "$descfn: $!";
+ $msg =~ s/\s+$//g;
$msg =~ s/\n/\n /g;
$msg =~ s/^\s+$/ ./mg;
print O <<END or die $!;
-Description: $title
- $msg
+Description: $msg
Author: $author
-
+$xinfo
---
END
}
}
+sub quiltify_trees_differ ($$) {
+ my ($x,$y) = @_;
+ # returns 1 iff the two tree objects differ other than in debian/
+ local $/=undef;
+ my @cmd = (@git, qw(diff-tree --name-only -z), $x, $y);
+ my $diffs= cmdoutput @cmd;
+ foreach my $f (split /\0/, $diffs) {
+ next if $f eq 'debian';
+ return 1;
+ }
+ return 0;
+}
+
+sub quiltify_tree_sentinelfiles ($) {
+ # lists the `sentinel' files present in the tree
+ my ($x) = @_;
+ my $r = cmdoutput @git, qw(ls-tree --name-only), $x,
+ qw(-- debian/rules debian/control);
+ $r =~ s/\n/,/g;
+ return $r;
+}
+
sub quiltify ($$) {
- my ($clogp,$headref) = @_;
+ my ($clogp,$target) = @_;
+
+ # Quilt patchification algorithm
+ #
+ # We search backwards through the history of the main tree's HEAD
+ # (T) looking for a start commit S whose tree object is identical
+ # to to the patch tip tree (ie the tree corresponding to the
+ # current dpkg-committed patch series). For these purposes
+ # `identical' disregards anything in debian/ - this wrinkle is
+ # necessary because dpkg-source treates debian/ specially.
+ #
+ # We can only traverse edges where at most one of the ancestors'
+ # trees differs (in changes outside in debian/). And we cannot
+ # handle edges which change .pc/ or debian/patches. To avoid
+ # going down a rathole we avoid traversing edges which introduce
+ # debian/rules or debian/control. And we set a limit on the
+ # number of edges we are willing to look at.
+ #
+ # If we succeed, we walk forwards again. For each traversed edge
+ # PC (with P parent, C child) (starting with P=S and ending with
+ # C=T) to we do this:
+ # - git checkout C
+ # - dpkg-source --commit with a patch name and message derived from C
+ # After traversing PT, we git commit the changes which
+ # should be contained within debian/patches.
+
+ changedir '../fake';
+ mktree_in_ud_here();
+ rmtree '.pc';
+ runcmd @git, 'add', '.';
+ my $oldtiptree=git_write_tree();
+ changedir '../work';
+
+ # The search for the path S..T is breadth-first. We maintain a
+ # todo list containing search nodes. A search node identifies a
+ # commit, and looks something like this:
+ # $p = {
+ # Commit => $git_commit_id,
+ # Child => $c, # or undef if P=T
+ # Whynot => $reason_edge_PC_unsuitable, # in @nots only
+ # Nontrivial => true iff $p..$c has relevant changes
+ # };
+
+ my @todo;
+ my @nots;
+ my $sref_S;
+ my $max_work=100;
+ my %considered; # saves being exponential on some weird graphs
+
+ my $t_sentinels = quiltify_tree_sentinelfiles $target;
+
+ my $not = sub {
+ my ($search,$whynot) = @_;
+ printdebug " search NOT $search->{Commit} $whynot\n";
+ $search->{Whynot} = $whynot;
+ push @nots, $search;
+ no warnings qw(exiting);
+ next;
+ };
+
+ push @todo, {
+ Commit => $target,
+ };
+
+ while (@todo) {
+ my $c = shift @todo;
+ next if $considered{$c->{Commit}}++;
+
+ $not->($c, "maximum search space exceeded") if --$max_work <= 0;
+
+ printdebug "quiltify investigate $c->{Commit}\n";
+
+ # are we done?
+ if (!quiltify_trees_differ $c->{Commit}, $oldtiptree) {
+ printdebug " search finished hooray!\n";
+ $sref_S = $c;
+ last;
+ }
+
+ if ($quilt_mode eq 'nofix') {
+ fail "quilt fixup required but quilt mode is \`nofix'\n".
+ "HEAD commit $c->{Commit} differs from tree implied by ".
+ " debian/patches (tree object $oldtiptree)";
+ }
+ if ($quilt_mode eq 'smash') {
+ printdebug " search quitting smash\n";
+ last;
+ }
+
+ my $c_sentinels = quiltify_tree_sentinelfiles $c->{Commit};
+ $not->($c, "has $c_sentinels not $t_sentinels")
+ if $c_sentinels ne $t_sentinels;
- my $time = time;
- my $ncommits = 3;
- my $msg = cmdoutput @git, qw(log), "-n$ncommits";
+ my $commitdata = cmdoutput @git, qw(cat-file commit), $c->{Commit};
+ $commitdata =~ m/\n\n/;
+ $commitdata =~ $`;
+ my @parents = ($commitdata =~ m/^parent (\w+)$/gm);
+ @parents = map { { Commit => $_, Child => $c } } @parents;
- quiltify_dpkg_commit "auto-$version-$headref-$time",
- (getfield $clogp, 'Maintainer'),
- "Automatically generated patch ($clogp->{Version})",
- "Last (up to) $ncommits git changes, FYI:\n\n". $msg;
+ $not->($c, "root commit") if !@parents;
+
+ foreach my $p (@parents) {
+ $p->{Nontrivial}= quiltify_trees_differ $p->{Commit},$c->{Commit};
+ }
+ my $ndiffers = grep { $_->{Nontrivial} } @parents;
+ $not->($c, "merge ($ndiffers nontrivial parents)") if $ndiffers > 1;
+
+ foreach my $p (@parents) {
+ printdebug "considering C=$c->{Commit} P=$p->{Commit}\n";
+
+ my @cmd= (@git, qw(diff-tree -r --name-only),
+ $p->{Commit},$c->{Commit}, qw(-- debian/patches .pc));
+ my $patchstackchange = cmdoutput @cmd;
+ if (length $patchstackchange) {
+ $patchstackchange =~ s/\n/,/g;
+ $not->($p, "changed $patchstackchange");
+ }
+
+ printdebug " search queue P=$p->{Commit} ",
+ ($p->{Nontrivial} ? "NT" : "triv"),"\n";
+ push @todo, $p;
+ }
+ }
+
+ if (!$sref_S) {
+ printdebug "quiltify want to smash\n";
+
+ my $abbrev = sub {
+ my $x = $_[0]{Commit};
+ $x =~ s/(.*?[0-9a-z]{8})[0-9a-z]*$/$1/;
+ return $;
+ };
+ my $reportnot = sub {
+ my ($notp) = @_;
+ my $s = $abbrev->($notp);
+ my $c = $notp->{Child};
+ $s .= "..".$abbrev->($c) if $c;
+ $s .= ": ".$c->{Whynot};
+ return $s;
+ };
+ if ($quilt_mode eq 'linear') {
+ print STDERR "$us: quilt fixup cannot be linear. Stopped at:\n";
+ foreach my $notp (@nots) {
+ print STDERR "$us: ", $reportnot->($notp), "\n";
+ }
+ fail "quilt fixup naive history linearisation failed.\n".
+ "Use dpkg-source --commit by hand; or, --quilt=smash for one ugly patch";
+ } elsif ($quilt_mode eq 'smash') {
+ } elsif ($quilt_mode eq 'auto') {
+ progress "quilt fixup cannot be linear, smashing...";
+ } else {
+ die "$quilt_mode ?";
+ }
+
+ my $time = time;
+ my $ncommits = 3;
+ my $msg = cmdoutput @git, qw(log), "-n$ncommits";
+
+ quiltify_dpkg_commit "auto-$version-$target-$time",
+ (getfield $clogp, 'Maintainer'),
+ "Automatically generated patch ($clogp->{Version})\n".
+ "Last (up to) $ncommits git changes, FYI:\n\n". $msg;
+ return;
+ }
+
+ progress "quiltify linearisation planning successful, executing...";
+
+ for (my $p = $sref_S;
+ my $c = $p->{Child};
+ $p = $p->{Child}) {
+ printdebug "quiltify traverse $p->{Commit}..$c->{Commit}\n";
+ next unless $p->{Nontrivial};
+
+ my $cc = $c->{Commit};
+
+ my $commitdata = cmdoutput @git, qw(cat-file commit), $cc;
+ $commitdata =~ m/\n\n/ or die "$c ?";
+ $commitdata = $`;
+ my $msg = $'; #';
+ $commitdata =~ m/^author (.*) \d+ [-+0-9]+$/m or die "$cc ?";
+ my $author = $1;
+
+ $msg =~ s/^(.*)\n*/$1\n/ or die "$cc $msg ?";
+
+ my $title = $1;
+ my $patchname = $title;
+ $patchname =~ s/[.:]$//;
+ $patchname =~ y/ A-Z/-a-z/;
+ $patchname =~ y/-a-z0-9_.+=~//cd;
+ $patchname =~ s/^\W/x-$&/;
+ $patchname = substr($patchname,0,40);
+ my $index;
+ for ($index='';
+ stat "debian/patches/$patchname$index";
+ $index++) { }
+ $!==ENOENT or die "$patchname$index $!";
+
+ runcmd @git, qw(checkout -q), $cc;
+
+ # We use the tip's changelog so that dpkg-source doesn't
+ # produce complaining messages from dpkg-parsechangelog. None
+ # of the information dpkg-source gets from the changelog is
+ # actually relevant - it gets put into the original message
+ # which dpkg-source provides our stunt editor, and then
+ # overwritten.
+ runcmd @git, qw(checkout -q), $target, qw(debian/changelog);
+
+ quiltify_dpkg_commit "$patchname$index", $author, $msg,
+ "X-Dgit-Generated: $clogp->{Version} $cc\n";
+
+ runcmd @git, qw(checkout -q), $cc, qw(debian/changelog);
+ }
+
+ runcmd @git, qw(checkout -q master);
}
sub build_maybe_quilt_fixup () {
exit 0;
}
+#----- other building -----
+
sub clean_tree () {
if ($cleanmode eq 'dpkg-source') {
runcmd_ordryrun_local @dpkgbuildpackage, qw(-T clean);
build_maybe_quilt_fixup();
}
+sub cmd_archive_api_query {
+ badusage "need only 1 subpath argument" unless @ARGV==1;
+ my ($subpath) = @ARGV;
+ my @cmd = archive_api_query_cmd($subpath);
+ exec @cmd or fail "exec curl: $!\n";
+}
+
#---------- argument parsing and main program ----------
sub cmd_version {
$cleanmode = $1;
} elsif (m/^--clean=(.*)$/s) {
badusage "unknown cleaning mode \`$1'";
+ } elsif (m/^--quilt=($quilt_modes_re)$/s) {
+ push @ropts, $_;
+ $quilt_mode = $1;
+ } elsif (m/^--quilt=(.*)$/s) {
+ badusage "unknown quilt fixup mode \`$1'";
} elsif (m/^--ignore-dirty$/s) {
push @ropts, $_;
$ignoredirty = 1;
} elsif (m/^--no-quilt-fixup$/s) {
push @ropts, $_;
- $noquilt = 1;
+ $quilt_mode = 'nocheck';
} elsif (m/^--no-rm-on-error$/s) {
push @ropts, $_;
$rmonerror = 0;
+ } elsif (m/^--deliberately-($suite_re)$/s) {
+ push @ropts, $_;
+ push @deliberatelies, $&;
} else {
badusage "unknown long option \`$_'";
}
} elsif (s/^-c(.*=.*)//s) {
push @ropts, $&;
push @git, '-c', $1;
- } elsif (s/^-d(.*)//s) {
+ } elsif (s/^-d(.+)//s) {
push @ropts, $&;
$idistro = $1;
- } elsif (s/^-C(.*)//s) {
+ } elsif (s/^-C(.+)//s) {
push @ropts, $&;
$changesfile = $1;
if ($changesfile =~ s#^(.*)/##) {
$buildproductsdir = $1;
}
- } elsif (s/^-k(.*)//s) {
+ } elsif (s/^-k(.+)//s) {
$keyid=$1;
- } elsif (s/^-wn//s) {
+ } elsif (m/^-[vdCk]$/) {
+ badusage
+ "option \`$_' requires an argument (and no space before the argument)";
+ } elsif (s/^-wn$//s) {
push @ropts, $&;
$cleanmode = 'none';
- } elsif (s/^-wg//s) {
+ } elsif (s/^-wg$//s) {
push @ropts, $&;
$cleanmode = 'git';
- } elsif (s/^-wd//s) {
+ } elsif (s/^-wd$//s) {
push @ropts, $&;
$cleanmode = 'dpkg-source';
} else {
my $cmd = shift @ARGV;
$cmd =~ y/-/_/;
+if (!defined $quilt_mode) {
+ $quilt_mode = cfg('dgit.force.quilt-mode', 'RETURN-UNDEF')
+ // access_cfg('quilt-mode', 'RETURN-UNDEF')
+ // 'linear';
+ $quilt_mode =~ m/^($quilt_modes_re)$/
+ or badcfg "unknown quilt-mode \`$quilt_mode'";
+ $quilt_mode = $1;
+}
+
my $fn = ${*::}{"cmd_$cmd"};
$fn or badusage "unknown operation $cmd";
$fn->();
~ianmdlvl / dgit.git / blobdiff