--- /dev/null
+#!/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"
+
+git for-each-ref --format='%(refname)' refs/top-bases |
+ while read ref; do
+ parent="${ref#refs/top-bases/}"
+
+ from=$head_from
+ # select .topdeps source for HEAD branch
+ [ "x$parent" = "x$head" ] ||
+ from=
+
+ cat_file "$parent:.topdeps" $from | fgrep -qx "$name" ||
+ continue
+
+ echo "$parent"
+ done