use File::FnMatch qw(:fnmatch);
use File::Copy;
+our ($usage_message) = <<'END';
+usages:
+ git-debrebase [<options>] [--|-i <git rebase options...>]
+ git-debrebase [<options>] status
+ git-debrebase [<options>] prepush [--prose=...]
+ git-debrebase [<options>] quick|conclude
+ git-debrebase [<options>] new-upstream <new-version> [<details ...>]
+ git-debrebase [<options>] convert-from-gbp [<upstream-commitish>]
+ ...
+See git-debrebase(1), git-debrebase(5), dgit-maint-debrebase(7) (in dgit).
+END
+
our ($opt_force, $opt_noop_ok, @opt_anchors);
our ($opt_defaultcmd_interactive);
sub badusage ($) {
my ($m) = @_;
- print STDERR "bad usage: $m\n";
+ print STDERR "$us: bad usage: $m\n";
finish 8;
}
+sub getoptions {
+ my $m = shift;
+ local $SIG{__WARN__}; # GetOptions calls `warn' to print messages
+ GetOptions @_ or badusage $m;
+}
+
sub cfg ($;$) {
my ($k, $optional) = @_;
local $/ = "\0";
my ($anchor, $breakwater);
my $clogonly;
my $cl;
- $fatal //= sub { fail $_[2]; };
+ $fatal //= sub { fail $_[1]; };
my $x = sub {
my ($cb, $tagsfx, $mainwhy, $xwhy) = @_;
my $why = $mainwhy.$xwhy;
if ($nogenerate) {
return (undef,undef);
}
- die "commit $cur: Cannot cope with this commit (d.".
+ fail "found unprocessable commit, cannot cope:".
+ (defined $cl->{Why} ? "; $cl->{Why}": '').
+ " (commit $cur) (d.".
(join ' ', map { sprintf "%#x", $_->{Differs} }
@{ $cl->{Parents} }).
- (defined $cl->{Why} ? "; $cl->{Why}": '').
")";
};
stitch($dangling_head, $ffq_prev, $gdrlast, $ffq_prev_commitish, $prose);
}
-sub cmd_new_upstream () {
- # automatically and unconditionally launders before rebasing
- # if rebase --abort is used, laundering has still been done
+sub resolve_upstream_version ($$) {
+ my ($new_upstream, $version) = @_;
- my %pieces;
-
- badusage "need NEW-VERSION [UPS-COMMITTISH]" unless @ARGV >= 1;
+ my $new_upstream_version = "$version";
+ $new_upstream_version =~ s/-.*?$//;;
- # parse args - low commitment
- 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 = shift @ARGV;
if (!defined $new_upstream) {
my @tried;
# todo: at some point maybe use git-deborig to do this
}
$new_upstream = git_rev_parse $new_upstream;
+ return ($new_upstream, $new_upstream_version);
+}
+
+sub cmd_new_upstream () {
+ # automatically and unconditionally launders before rebasing
+ # if rebase --abort is used, laundering has still been done
+
+ my %pieces;
+
+ badusage "need NEW-VERSION [UPS-COMMITTISH]" unless @ARGV >= 1;
+
+ # parse args - low commitment
+ my $spec_version = shift @ARGV;
+ my $new_version = (new Dpkg::Version $spec_version, check => 1);
+ fail "bad version number \`$spec_version'" unless defined $new_version;
+ if ($new_version->is_native()) {
+ $new_version = (new Dpkg::Version "$spec_version-1", check => 1);
+ }
+
+ my $new_upstream = shift @ARGV;
+ my $new_upstream_version;
+ ($new_upstream, $new_upstream_version) =
+ resolve_upstream_version $new_upstream, $new_version;
+
record_ffq_auto();
my $piece = sub {
sub cmd_stitch () {
my $prose = 'stitch';
- GetOptions('prose=s', \$prose) or badusage("bad options to stitch");
+ getoptions("bad options follow \`git-debrebase stitch'",
+ 'prose=s', \$prose);
badusage "no arguments allowed" if @ARGV;
do_stitch $prose, 0;
}
sub cmd_make_patches () {
my $opt_quiet_would_amend;
- GetOptions('quiet-would-amend!', \$opt_quiet_would_amend)
- or badusage("bad options to make-patches");
+ getoptions("bad options follow \`git-debrebase make-patches'",
+ 'quiet-would-amend!', \$opt_quiet_would_amend);
badusage "no arguments allowed" if @ARGV;
my $old_head = get_head();
my $new = make_patches $old_head;
}
sub cmd_convert_from_gbp () {
- badusage "needs 1 optional argument, the upstream git rev"
+ badusage "want only 1 optional argument, the upstream git commitish"
unless @ARGV<=1;
+
+ my $clogp = parsechangelog();
+ my $version = $clogp->{'Version'}
+ // die "missing Version from changelog";
+
my ($upstream_spec) = @ARGV;
- $upstream_spec //= 'refs/heads/upstream';
- my $upstream = git_rev_parse $upstream_spec;
+
+ my ($upstream, $upstream_version) =
+ resolve_upstream_version($upstream_spec, $version);
+
my $old_head = get_head();
my $upsdiff = get_differs $upstream, $old_head;
if ($upsdiff & D_UPS) {
- runcmd @git, qw(--no-pager diff),
+ runcmd @git, qw(--no-pager diff --stat),
$upstream, $old_head,
qw( -- :!/debian :/);
- fail "upstream ($upstream_spec) and HEAD are not identical in upstream files";
+ fail <<END;
+upstream ($upstream_spec) and HEAD are not
+identical in upstream files. See diffstat above, or run
+ git diff $upstream_spec HEAD -- :!/debian :/
+END
}
if (!is_fast_fwd $upstream, $old_head) {
}
}
-GetOptions("D+" => \$debuglevel,
+getoptions("bad options\n",
+ "D+" => \$debuglevel,
'noop-ok', => \$opt_noop_ok,
'f=s' => \@snag_force_opts,
'anchor=s' => \@opt_anchors,
# approach. '-i=s{0,}' does not work with bundling.
push @$opt_defaultcmd_interactive, @ARGV;
@ARGV=();
- }) or badusage "bad options\n";
+ },
+ 'help' => sub { print $usage_message or die $!; finish 0; },
+ );
+
initdebug('git-debrebase ');
enabledebug if $debuglevel;
~ianmdlvl / dgit.git / blobdiff