contrib: add credential helper for OS X Keychain

diff --git a/git-sh-setup.sh b/git-sh-setup.sh
index aa16b8356507e4e669ee5c4cb4b5a667942d559e..1fba6c2de0b78ddb5aa1495c9c519c26b48eebc2 100644 (file)
--- a/git-sh-setup.sh
+++ b/git-sh-setup.sh
@@ -39,9 +39,15 @@ git_broken_path_fix () {
 
 # @@BROKEN_PATH_FIX@@
 
-die() {
-       echo >&2 "$@"
-       exit 1
+die () {
+       die_with_status 1 "$@"
+}
+
+die_with_status () {
+       status=$1
+       shift
+       echo >&2 "$*"
+       exit "$status"
 }
 
 GIT_QUIET=
@@ -84,7 +90,7 @@ $LONG_USAGE"
        fi
 
        case "$1" in
-               -h|--h|--he|--hel|--help)
+               -h)
                echo "$LONG_USAGE"
                exit
        esac
@@ -140,6 +146,13 @@ cd_to_toplevel () {
        }
 }
 
+require_work_tree_exists () {
+       if test "z$(git rev-parse --is-bare-repository)" != zfalse
+       then
+               die "fatal: $0 cannot be used without a working tree."
+       fi
+}
+
 require_work_tree () {
        test "$(git rev-parse --is-inside-work-tree 2>/dev/null)" = true ||
        die "fatal: $0 cannot be used without a working tree."