X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ian/git?p=topgit.git;a=blobdiff_plain;f=tg-prev.sh;fp=tg-prev.sh;h=1f1e0c16df055812274316cadfce49bcafe2df84;hp=0000000000000000000000000000000000000000;hb=7fc96160f2d30e75194eb3d8958a4f910a101735;hpb=f1b31d39c87bbd77f8c4a243e4e639e7d7f453dd

diff --git a/tg-prev.sh b/tg-prev.sh
new file mode 100644
index 0000000..1f1e0c1
--- /dev/null
+++ b/tg-prev.sh
@@ -0,0 +1,38 @@
+#!/bin/sh
+# TopGit - A different patch queue manager
+# (c) Petr Baudis <pasky@suse.cz>  2008
+# (c) Bert Wesarg <Bert.Wesarg@googlemail.com>  2009
+# GPLv2
+
+name=
+head_from=
+
+
+## Parse options
+
+while [ -n "$1" ]; do
+	arg="$1"; shift
+	case "$arg" in
+	-i|-w)
+		[ -z "$head_from" ] || die "-i and -w are mutually exclusive"
+		head_from="$arg";;
+	-*)
+		echo "Usage: tg next [-i | -w] [NAME]" >&2
+		exit 1;;
+	*)
+		[ -z "$name" ] || die "name already specified ($name)"
+		name="$arg";;
+	esac
+done
+
+head="$(git rev-parse --abbrev-ref=loose HEAD)"
+[ -n "$name" ] ||
+	name="$head"
+base_rev="$(git rev-parse --short --verify "refs/top-bases/$name" 2>/dev/null)" ||
+	die "not a TopGit-controlled branch"
+
+# select .topdeps source for HEAD branch
+[ "x$name" = "x$head" ] ||
+	head_from=
+
+cat_file "$name:.topdeps" $head_from