# along with this program. If not, see <http://www.gnu.org/licenses/>.
END { $? = $Debian::Dgit::ExitStatus::desired // -1; };
+use Debian::Dgit::GDR;
use Debian::Dgit::ExitStatus;
use strict;
use Getopt::Long qw(:config posix_default gnu_compat bundling);
use Dpkg::Version;
use File::FnMatch qw(:fnmatch);
+use File::Copy;
our ($opt_force, $opt_noop_ok, @opt_anchors);
our ($opt_defaultcmd_interactive);
our $us = qw(git-debrebase);
+$|=1;
+
sub badusage ($) {
my ($m) = @_;
print STDERR "bad usage: $m\n";
confess 'dangerous internal error' unless all_snags_summarised();
- my @upd_cmd = (@git, qw(update-ref --stdin -m), "debrebase: $mrest");
+ my @upd_cmd = (git_update_ref_cmd "debrebase: $mrest", qw(--stdin));
debugcmd '>|', @upd_cmd;
open U, "|-", @upd_cmd or die $!;
foreach (@deferred_updates) {
$us, $snags_tripped;
} else {
fail sprintf
- "%s: snags: %d blockers (you could -f<tag>, or --force)",
+ "%s: snags: %d blocker(s) (you could -f<tag>, or --force)",
$us, $snags_tripped;
}
}
$snags_summarised = $snags_forced + $snags_tripped;
}
+sub snags_maybe_bail_early () {
+ # useful to bail out early without doing a lot of work;
+ # not a substitute for snags_maybe_bail.
+ snags_maybe_bail() if $snags_tripped && !$opt_force;
+}
sub any_snags () {
return $snags_forced || $snags_tripped;
}
my $cl;
$fatal //= sub { fail $_[2]; };
my $x = sub {
- my ($cb, $tagsfx, $why) = @_;
+ my ($cb, $tagsfx, $mainwhy, $xwhy) = @_;
+ my $why = $mainwhy.$xwhy;
my $m = "branch needs laundering (run git-debrebase): $why";
fail $m unless defined $cb;
return unless $cb;
- $cb->("unclean-$tagsfx", $why, $cl);
+ $cb->("unclean-$tagsfx", $why, $cl, $mainwhy);
};
for (;;) {
$cl = classify $head;
last;
} elsif ($ty eq 'Upstream') {
$x->($unclean, 'ordering',
- "packaging change ($breakwater) follows upstream change (eg $head)")
+ "packaging change ($breakwater) follows upstream change"," (eg $head)")
if defined $breakwater;
$clogonly = undef;
$breakwater = undef;
} elsif ($ty eq 'Mixed') {
$x->($unclean, 'mixed',
- "found mixed upstream/packaging commit ($head)");
+ "found mixed upstream/packaging commit"," ($head)");
$clogonly = undef;
$breakwater = undef;
} elsif ($ty eq 'Pseudomerge' or
$ty eq 'AddPatches') {
$x->($furniture, (lc $ty),
- "found interchange bureaucracy commit ($ty, $head)");
+ "found interchange bureaucracy commit ($ty)"," ($head)");
} elsif ($ty eq 'DgitImportUnpatched') {
$x->($trouble, 'dgitimport',
"found dgit dsc import ($head)");
return (undef,undef);
} else {
$x->($fatal, 'unprocessable',
- "found unprocessable commit, cannot cope: $head; $cl->{Why}"
- );
+ "found unprocessable commit, cannot cope: $cl->{Why}",
+ " ($head)");
return (undef,undef);
}
$head = $cl->{Parents}[0]{CommitId};
}
sub ffq_prev_branchinfo () {
- # => ('status', "message", [$current, $ffq_prev, $gdrlast])
- # 'status' may be
- # branch message is undef
- # weird-symref } no $current,
- # notbranch } no $ffq_prev
my $current = git_get_symref();
- return ('detached', 'detached HEAD') unless defined $current;
- return ('weird-symref', 'HEAD symref is not to refs/')
- unless $current =~ m{^refs/};
- my $ffq_prev = "refs/$ffq_refprefix/$'";
- my $gdrlast = "refs/$gdrlast_refprefix/$'";
- printdebug "ffq_prev_branchinfo branch current $current\n";
- return ('branch', undef, $current, $ffq_prev, $gdrlast);
+ return gdr_ffq_prev_branchinfo($current);
}
-sub record_ffq_prev_deferred () {
- # => ('status', "message")
- # 'status' may be
- # deferred message is undef
+sub ffq_check ($;$$) {
+ # calls $ff and/or $notff zero or more times
+ # then returns either (status,message) where status is
# exists
# detached
# weird-symref
# notbranch
- # if not ff from some branch we should be ff from, is an snag
- # if "deferred", will have added something about that to
- # @deferred_update_messages, and also maybe printed (already)
- # some messages about ff checks
+ # or (undef,undef, $ffq_prev,$gdrlast)
+ # $ff and $notff are called like this:
+ # $ff->("message for stdout\n");
+ # $notff->('snag-name', $message);
+ # normally $currentval should be HEAD
+ my ($currentval, $ff, $notff) =@_;
+
+ $ff //= sub { print $_[0] or die $!; };
+ $notff //= \&snag;
+
my ($status, $message, $current, $ffq_prev, $gdrlast)
= ffq_prev_branchinfo();
return ($status, $message) unless $status eq 'branch';
- my $currentval = get_head();
-
my $exists = git_get_ref $ffq_prev;
return ('exists',"$ffq_prev already exists") if $exists;
}
return if $invert;
my $lrval = git_get_ref $lrref;
- return unless defined $lrval;
+ return unless length $lrval;
if (is_fast_fwd $lrval, $currentval) {
- print "OK, you are ahead of $lrref\n" or die $!;
+ $ff->("OK, you are ahead of $lrref\n");
$checked{$lrref} = 1;
} elsif (is_fast_fwd $currentval, $lrval) {
$checked{$lrref} = -1;
- snag 'behind', "you are behind $lrref, divergence risk";
+ $notff->('behind', "you are behind $lrref, divergence risk");
} else {
$checked{$lrref} = -1;
- snag 'diverged', "you have diverged from $lrref";
+ $notff->('diverged', "you have diverged from $lrref");
}
};
} elsif ($branch =~ m{^master$}) {
$check->("refs/remotes/dgit/dgit/sid", 'remote dgit branch for sid');
}
+ return (undef, undef, $ffq_prev, $gdrlast);
+}
+
+sub record_ffq_prev_deferred () {
+ # => ('status', "message")
+ # 'status' may be
+ # deferred message is undef
+ # exists
+ # detached
+ # weird-symref
+ # notbranch
+ # if not ff from some branch we should be ff from, is an snag
+ # if "deferred", will have added something about that to
+ # @deferred_update_messages, and also maybe printed (already)
+ # some messages about ff checks
+ my $currentval = get_head();
+
+ my ($status,$message, $ffq_prev,$gdrlast) = ffq_check $currentval;
+ return ($status,$message) if defined $status;
snags_maybe_bail();
stitch($dangling_head, $ffq_prev, $gdrlast, $ffq_prev_commitish, $prose);
}
-sub cmd_new_upstream_v0 () {
+sub cmd_new_upstream () {
# automatically and unconditionally launders before rebasing
# if rebase --abort is used, laundering has still been done
badusage "need NEW-VERSION [UPS-COMMITTISH]" unless @ARGV >= 1;
# parse args - low commitment
- my $new_version = (new Dpkg::Version scalar(shift @ARGV), check => 1);
+ my $spec_version = shift @ARGV;
+ my $new_version = (new Dpkg::Version $spec_version, check => 1);
+ if ($new_version->is_native()) {
+ $new_version = (new Dpkg::Version "$spec_version-1", check => 1);
+ }
my $new_upstream_version = $new_version->version();
- my $new_upstream = git_rev_parse (shift @ARGV // 'upstream');
+ my $new_upstream = shift @ARGV;
+ if (!defined $new_upstream) {
+ my @tried;
+ # todo: at some point maybe use git-deborig to do this
+ foreach my $tagpfx ('', 'v', 'upstream/') {
+ my $tag = $tagpfx.(dep14_version_mangle $new_upstream_version);
+ $new_upstream = git_get_ref "refs/tags/$tag";
+ last if length $new_upstream;
+ push @tried, $tag;
+ }
+ if (!length $new_upstream) {
+ fail "Could not determine appropriate upstream commitish.\n".
+ " (Tried these tags: @tried)\n".
+ " Check version, and specify upstream commitish explicitly.";
+ }
+ }
+ $new_upstream = git_rev_parse $new_upstream;
record_ffq_auto();
) {
my @oldpieces = (split / /, $1);
my $old_n_parents = scalar @{ $old_upstream->{Parents} };
- if (@oldpieces != $old_n_parents) {
+ if ($old_n_parents != @oldpieces &&
+ $old_n_parents != @oldpieces + 1) {
snag 'upstream-confusing', sprintf
"previous upstream combine %s".
- " mentions %d pieces (each implying one orig commit)".
- " but has %d parents",
+ " mentions %d pieces (each implying one parent)".
+ " but has %d parents".
+ " (one per piece plus maybe a previous combine)",
$old_upstream->{CommitId},
(scalar @oldpieces),
$old_n_parents;
$oldpieces[0] = '';
foreach my $i (0..$#oldpieces) {
my $n = $oldpieces[$i];
- $piece->($n, Old => $old_upstream->{CommitId}.'^'.($i+1));
+ my $hat = 1 + $i + ($old_n_parents - @oldpieces);
+ $piece->($n, Old => $old_upstream->{CommitId}.'^'.$hat);
}
}
} else {
'launder for new upstream';
my @cmd = (@git, qw(rebase --onto), $new_bw, $old_bw, @ARGV);
+ local $ENV{GIT_REFLOG_ACTION} = git_reflog_action_msg
+ "debrebase new-upstream $new_version: rebase";
runcmd @cmd;
# now it's for the user to sort out
}
sub cmd_status () {
badusage "no arguments allowed" if @ARGV;
- my $oldest = [ 0 ];
+ # todo: gdr status should print divergence info
+ # todo: gdr status should print upstream component(s) info
+ # todo: gdr should leave/maintain some refs with this kind of info ?
+
+ my $oldest = { Badness => 0 };
my $newest;
my $note = sub {
- my ($badness, $ourmsg, $snagname, $kcmsg, $cl) = @_;
- if ($oldest->[0] < $badness) {
+ my ($badness, $ourmsg, $snagname, $dummy, $cl, $kcmsg) = @_;
+ if ($oldest->{Badness} < $badness) {
$oldest = $newest = undef;
}
- $oldest = \@_; # we're walking backwards
- $newest //= \@_;
+ $oldest = {
+ Badness => $badness,
+ CommitId => $cl->{CommitId},
+ OurMsg => $ourmsg,
+ KcMsg => $kcmsg,
+ };
+ $newest //= $oldest;
};
my ($anchor, $bw) = keycommits +(git_rev_parse 'HEAD'),
sub { $note->(1, 'branch contains furniture (not laundered)', @_); },
};
print "current branch contents, in git-debrebase terms:\n";
- if (!$oldest->[0]) {
+ if (!$oldest->{Badness}) {
print " branch is laundered\n";
} else {
- print " $oldest->[1]\n";
+ print " $oldest->{OurMsg}\n";
my $printed = '';
foreach my $info ($oldest, $newest) {
- my $cid = $info->[4]{CommitId};
+ my $cid = $info->{CommitId};
next if $cid eq $printed;
$printed = $cid;
- print " $info->[3]\n";
+ print " $info->{KcMsg}\n";
$prcommitinfo->($cid);
}
}
sub cmd_stitch () {
my $prose = 'stitch';
- GetOptions('prose=s', \$prose) or die badusage("bad options to stitch");
+ GetOptions('prose=s', \$prose) or badusage("bad options to stitch");
badusage "no arguments allowed" if @ARGV;
do_stitch $prose, 0;
}
in_workarea sub {
runcmd @git, qw(checkout -q -b bw), $secret_bw;
runcmd @git, qw(checkout -q -b patch-queue/bw), $secret_head;
- runcmd qw(gbp pq export);
- runcmd @git, qw(add debian/patches);
+ my @gbp_cmd = (qw(gbp pq export));
+ my $r = system shell_cmd 'exec >../gbp-pq-err 2>&1', @gbp_cmd;
+ if ($r) {
+ { local ($!,$?); copy('../gbp-pq-err', \*STDERR); }
+ failedcmd @gbp_cmd;
+ }
+ runcmd @git, qw(add -f debian/patches);
};
}
sub cmd_make_patches () {
my $opt_quiet_would_amend;
GetOptions('quiet-would-amend!', \$opt_quiet_would_amend)
- or die badusage("bad options to make-patches");
+ or badusage("bad options to make-patches");
badusage "no arguments allowed" if @ARGV;
my $old_head = get_head();
my $new = make_patches $old_head;
"upstream ($upstream) contains debian/ directory";
}
- snags_maybe_bail();
+ my $previous_dgit_view = eval {
+ my @clogcmd = qw(dpkg-parsechangelog --format rfc822 -n2);
+ my ($lvsn, $suite);
+ parsechangelog_loop \@clogcmd, 'debian/changelog', sub {
+ my ($stz, $desc) = @_;
+ no warnings qw(exiting);
+ printdebug 'CHANGELOG ', Dumper($desc, $stz);
+ next unless $stz->{Date};
+ next unless $stz->{Distribution} ne 'UNRELEASED';
+ $lvsn = $stz->{Version};
+ $suite = $stz->{Distribution};
+ last;
+ };
+ die "neither of the first two changelog entries are released\n"
+ unless defined $lvsn;
+ print "last finished-looking changelog entry: ($lvsn) $suite\n";
+ my $mtag_pat = debiantag_maintview $lvsn, '*';
+ my $mtag = cmdoutput @git, qw(describe --always --abbrev=0 --match),
+ $mtag_pat;
+ die "could not find suitable maintainer view tag $mtag_pat\n"
+ unless $mtag_pat =~ m{/};
+ is_fast_fwd $mtag, 'HEAD' or
+ die "HEAD is not FF from maintainer tag $mtag!";
+ my $dtag = "archive/$mtag";
+ is_fast_fwd $mtag, $dtag or
+ die "dgit view tag $dtag is not FF from maintainer tag $mtag";
+ print "will stitch in dgit view, $dtag\n";
+ git_rev_parse $dtag;
+ };
+ if (!$previous_dgit_view) {
+ $@ =~ s/^\n+//;
+ chomp $@;
+ print STDERR "cannot stitch in dgit view: $@\n";
+ }
+
+ snags_maybe_bail_early();
my $work;
runcmd @git, qw(reset --quiet --hard patch-queue/gdr-internal);
runcmd @git, qw(rebase --quiet --onto), $work, qw(gdr-internal);
$work = git_rev_parse 'HEAD';
+
+ if ($previous_dgit_view) {
+ $work = make_commit [$work, $previous_dgit_view], [
+ 'git-debrebase import: declare ff from dgit archive view',
+ '[git-debrebase pseudomerge: import-from-gbp]',
+ ];
+ }
};
+ ffq_check $work;
+ snags_maybe_bail();
update_head_checkout $old_head, $work, 'convert-from-gbp';
}
# approach. '-i=s{0,}' does not work with bundling.
push @$opt_defaultcmd_interactive, @ARGV;
@ARGV=();
- }) or die badusage "bad options\n";
+ }) or badusage "bad options\n";
initdebug('git-debrebase ');
enabledebug if $debuglevel;
~ianmdlvl / dgit.git / blobdiff