# 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);
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) {
}
our @snag_force_opts;
-sub snag ($$) {
- my ($tag,$msg) = @_;
+sub snag ($$;@) {
+ my ($tag,$msg) = @_; # ignores extra args, for benefit of keycommits
if (grep { $_ eq $tag } @snag_force_opts) {
$snags_forced++;
print STDERR "git-debrebase: snag ignored (-f$tag): $msg\n";
return $unknown->("complex merge");
}
-sub keycommits ($;$$$) {
- my ($head, $furniture, $unclean, $trouble) = @_;
+sub keycommits ($;$$$$) {
+ my ($head, $furniture, $unclean, $trouble, $fatal) = @_;
# => ($anchor, $breakwater)
- # $unclean->("unclean-$tagsfx", $msg)
- # $furniture->("unclean-$tagsfx", $msg)
- # $dgitimport->("unclean-$tagsfx", $msg)
+ # $unclean->("unclean-$tagsfx", $msg, $cl)
+ # $furniture->("unclean-$tagsfx", $msg, $cl)
+ # $dgitimport->("unclean-$tagsfx", $msg, $cl))
# is callled for each situation or commit that
# wouldn't be found in a laundered branch
# $furniture is for furniture commits such as might be found on an
# $trouble is for things whnich prevent the return of
# anchor and breakwater information; if that is ignored,
# then keycommits returns (undef, undef) instead.
+ # $fatal is for unprocessable commits, and should normally cause
+ # a failure. If ignored, agaion, (undef, undef) is returned.
#
# If a callback is undef, fail is called instead.
# If a callback is defined but false, the situation is ignored.
my ($anchor, $breakwater);
my $clogonly;
+ my $cl;
+ $fatal //= sub { fail $_[2]; };
my $x = sub {
my ($cb, $tagsfx, $why) = @_;
my $m = "branch needs laundering (run git-debrebase): $why";
fail $m unless defined $cb;
return unless $cb;
- $cb->("unclean-$tagsfx", $why);
+ $cb->("unclean-$tagsfx", $why, $cl);
};
for (;;) {
- my $cl = classify $head;
+ $cl = classify $head;
my $ty = $cl->{Type};
if ($ty eq 'Packaging') {
$breakwater //= $clogonly;
} elsif ($ty eq 'DgitImportUnpatched') {
$x->($trouble, 'dgitimport',
"found dgit dsc import ($head)");
- $breakwater = undef;
- $anchor = undef;
- no warnings qw(exiting);
- last;
+ return (undef,undef);
} else {
- fail "found unprocessable commit, cannot cope: $head; $cl->{Why}";
+ $x->($fatal, 'unprocessable',
+ "found unprocessable commit, cannot cope: $head; $cl->{Why}"
+ );
+ 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 () {
}
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 $!;
stitch($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
my $new_version = (new Dpkg::Version scalar(shift @ARGV), 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 $new_version: rebase";
runcmd @cmd;
# now it's for the user to sort out
}
print "$bw\n" or die $!;
}
+sub cmd_status () {
+ badusage "no arguments allowed" if @ARGV;
+
+ # 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 = [ 0 ];
+ my $newest;
+ my $note = sub {
+ my ($badness, $ourmsg, $snagname, $kcmsg, $cl) = @_;
+ if ($oldest->[0] < $badness) {
+ $oldest = $newest = undef;
+ }
+ $oldest = \@_; # we're walking backwards
+ $newest //= \@_;
+ };
+ my ($anchor, $bw) = keycommits +(git_rev_parse 'HEAD'),
+ sub { $note->(1, 'branch contains furniture (not laundered)', @_); },
+ sub { $note->(2, 'branch is unlaundered', @_); },
+ sub { $note->(3, 'branch needs laundering', @_); },
+ sub { $note->(4, 'branch not in git-debrebase form', @_); };
+
+ my $prcommitinfo = sub {
+ my ($cid) = @_;
+ flush STDOUT or die $!;
+ runcmd @git, qw(--no-pager log -n1),
+ '--pretty=format: %h %s%n',
+ $cid;
+ };
+
+ print "current branch contents, in git-debrebase terms:\n";
+ if (!$oldest->[0]) {
+ print " branch is laundered\n";
+ } else {
+ print " $oldest->[1]\n";
+ my $printed = '';
+ foreach my $info ($oldest, $newest) {
+ my $cid = $info->[4]{CommitId};
+ next if $cid eq $printed;
+ $printed = $cid;
+ print " $info->[3]\n";
+ $prcommitinfo->($cid);
+ }
+ }
+
+ my $prab = sub {
+ my ($cid, $what) = @_;
+ if (!defined $cid) {
+ print " $what is not well-defined\n";
+ } else {
+ print " $what\n";
+ $prcommitinfo->($cid);
+ }
+ };
+ print "key git-debrebase commits:\n";
+ $prab->($anchor, 'anchor');
+ $prab->($bw, 'breakwater');
+
+ my ($ffqstatus, $ffq_msg, $current, $ffq_prev, $gdrlast) =
+ ffq_prev_branchinfo();
+
+ print "branch and ref status, in git-debrebase terms:\n";
+ if ($ffq_msg) {
+ print " $ffq_msg\n";
+ } else {
+ $ffq_prev = git_get_ref $ffq_prev;
+ $gdrlast = git_get_ref $gdrlast;
+ if ($ffq_prev) {
+ print " unstitched; previous tip was:\n";
+ $prcommitinfo->($ffq_prev);
+ } elsif (!$gdrlast) {
+ print " stitched? (no record of git-debrebase work)\n";
+ } elsif (is_fast_fwd $gdrlast, 'HEAD') {
+ print " stitched\n";
+ } else {
+ print " not git-debrebase (diverged since last stitch)\n"
+ }
+ }
+}
+
sub cmd_stitch () {
my $prose = 'stitch';
GetOptions('prose=s', \$prose) or die badusage("bad options to stitch");
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);
+ 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 debian/patches);
};
}
'[git-debrebase: export and commit patches]',
];
};
- my $d = get_differs $head, $out;
- if ($d == 0) {
- return undef; # nothing to do
- } elsif ($d == D_PAT_ADD) {
- return $out; # OK
- } else {
- fail "Patch export produced patch amendments".
- " (abandoned output commit $out).".
- " Try laundering first.";
- }
+ return $out;
}
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");
badusage "no arguments allowed" if @ARGV;
my $old_head = get_head();
my $new = make_patches $old_head;
- snags_maybe_bail();
- if (!$new) {
+ my $d = get_differs $old_head, $new;
+ if ($d == 0) {
fail "No (more) patches to export." unless $opt_noop_ok;
return;
+ } elsif ($d == D_PAT_ADD) {
+ snags_maybe_bail();
+ update_head_checkout $old_head, $new, 'make-patches';
+ } else {
+ print STDERR failmsg
+ "Patch export produced patch amendments".
+ " (abandoned output commit $new).".
+ " Try laundering first."
+ unless $opt_quiet_would_amend;
+ finish 7;
}
- update_head_checkout $old_head, $new, 'make-patches';
}
sub cmd_convert_from_gbp () {
~ianmdlvl / dgit.git / blobdiff