tg depend add: Add dependency

[topgit.git] / tg-depend.sh

diff --git a/tg-depend.sh b/tg-depend.sh
new file mode 100644 (file)
index 0000000..af78808
--- /dev/null
+++ b/tg-depend.sh
@@ -0,0 +1,41 @@
+#!/bin/sh
+# TopGit - A different patch queue manager
+# (c) Petr Baudis <pasky@suse.cz>  2008
+# GPLv2
+
+name=
+
+
+## Parse options
+
+subcmd="$1"; shift
+[ "$subcmd" = "add" ] || die "unknown subcommand ($subcmd)"
+
+while [ -n "$1" ]; do
+       arg="$1"; shift
+       case "$arg" in
+       -*)
+               echo "Usage: tg [...] depend add NAME" >&2
+               exit 1;;
+       *)
+               [ -z "$name" ] || die "name already specified ($name)"
+               name="$arg";;
+       esac
+done
+
+
+## Sanity checks
+
+[ -n "$name" ] || die "no branch name specified"
+branchrev="$(git rev-parse --verify "$name" 2>/dev/null)" ||
+       die "invalid branch name: $name"
+baserev="$(git rev-parse --verify "refs/top-bases/$name" 2>/dev/null)" ||
+       die "not a TopGit topic branch: $name"
+
+
+## Record new dependency
+
+echo "$name" >>.topdeps
+git add .topdeps
+git commit -m"New TopGit dependency: $name"
+$tg update