X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=git-debrebase;h=907ebfeb755e0c3b00613f502266f7e8d154bda2;hb=fe63aca9ed9d55d546a8cb5cd83053bbaaafe309;hp=13ca472d47881b34361a8c4dc160bc0113d0f47c;hpb=cd06cd0cf3b1190fde3862684a18a1d7d56a834e;p=dgit.git

diff --git a/git-debrebase b/git-debrebase
index 13ca472d..907ebfeb 100755
--- a/git-debrebase
+++ b/git-debrebase
@@ -36,6 +36,18 @@ use Dpkg::Version;
 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);
 
@@ -49,11 +61,15 @@ sub badusage ($) {
     finish 8;
 }
 
-sub getoptions {
+sub getoptions_main {
     my $m = shift;
     local $SIG{__WARN__}; # GetOptions calls `warn' to print messages
     GetOptions @_ or badusage $m;
 }
+sub getoptions {
+    my $sc = shift;
+    getoptions_main "bad options follow \`git-debrebase $sc'", @_;
+}
 
 sub cfg ($;$) {
     my ($k, $optional) = @_;
@@ -1524,7 +1540,7 @@ sub cmd_status () {
 
 sub cmd_stitch () {
     my $prose = 'stitch';
-    getoptions("bad options follow \`git-debrebase stitch'",
+    getoptions("stitch",
 	       'prose=s', \$prose);
     badusage "no arguments allowed" if @ARGV;
     do_stitch $prose, 0;
@@ -1588,7 +1604,7 @@ sub make_patches ($) {
 
 sub cmd_make_patches () {
     my $opt_quiet_would_amend;
-    getoptions("bad options follow \`git-debrebase make-patches'",
+    getoptions("make-patches",
 	       'quiet-would-amend!', \$opt_quiet_would_amend);
     badusage "no arguments allowed" if @ARGV;
     my $old_head = get_head();
@@ -1809,7 +1825,8 @@ sub cmd_downstream_rebase_launder_v0 () {
     }
 }
 
-getoptions("bad options\n",
+getoptions_main
+          ("bad options\n",
 	   "D+" => \$debuglevel,
 	   'noop-ok', => \$opt_noop_ok,
 	   'f=s' => \@snag_force_opts,
@@ -1826,7 +1843,9 @@ getoptions("bad options\n",
 	       # approach.  '-i=s{0,}' does not work with bundling.
 	       push @$opt_defaultcmd_interactive, @ARGV;
 	       @ARGV=();
-	   });
+	   },
+	   'help' => sub { print $usage_message or die $!; finish 0; },
+	   );
 
 initdebug('git-debrebase ');
 enabledebug if $debuglevel;