Print help output when no command is given

[topgit.git] / tg.sh

diff --git a/tg.sh b/tg.sh
index 2961106f735402d695043f31b32ffdef298566b3..4dcc15eff90bcc581980336b94d44f40e2385759 100644 (file)
--- a/tg.sh
+++ b/tg.sh
@@ -236,6 +236,11 @@ do_help()
 }
 
 
+## Startup
+
+[ -d "@cmddir@" ] ||
+       die "No command directory: '@cmddir@'"
+
 ## Initial setup
 
 set -e
@@ -249,9 +254,6 @@ tg="tg"
 setup_ours
 setup_hook "pre-commit"
 
-[ -d "@cmddir@" ] ||
-       die "No command directory: '@cmddir@'"
-
 ## Dispatch
 
 # We were sourced from another script for our utility functions;
@@ -264,13 +266,13 @@ if [ "$1" = "-r" ]; then
 fi
 
 cmd="$1"
-[ -n "$cmd" ] || die "He took a duck in the face at two hundred and fifty knots"
+[ -n "$cmd" ] || { do_help; exit 1; }
 shift
 
 case "$cmd" in
 help|--help|-h)
        do_help "$1"
-       exit 1;;
+       exit 0;;
 --hooks-path)
        # Internal command
        echo "@hooksdir@";;