trivial: use git-repo-config to detect if the test can be run on the repository

diff --git a/git-reset.sh b/git-reset.sh
index dfa9cb8bb17f6f8694d0c639fe8b1663f9ec3c8f..eb44ee8cc197b7ff11159cf046b790cf693d3a72 100755 (executable)
--- a/git-reset.sh
+++ b/git-reset.sh
@@ -1,5 +1,7 @@
 #!/bin/sh
-. git-sh-setup || die "Not a git archive"
+
+USAGE='[--mixed | --soft | --hard]  [<commit-ish>]'
+. git-sh-setup
 
 tmp=/var/tmp/reset.$$
 trap 'rm -f $tmp-*' 0 1 2 3 15
@@ -10,6 +12,8 @@ case "$1" in
        reset_type="$1"
        shift
        ;;
+-*)
+        usage ;;
 esac
 
 rev=$(git-rev-parse --verify --default HEAD "$@") || exit
@@ -60,7 +64,7 @@ then
 else
        rm -f "$GIT_DIR/ORIG_HEAD"
 fi
-echo "$rev" >"$GIT_DIR/HEAD"
+git-update-ref HEAD "$rev"
 
 case "$reset_type" in
 --hard )