improve "help" text

1 files changed, 24 insertions, 5 deletions

diff --git a/git-shell-commands/help b/git-shell-commands/help
index f2970d5..0792cb5 100755
--- a/git-shell-commands/help
+++ b/git-shell-commands/help
@@ -1,12 +1,31 @@
-#!/bin/sh
-# * help
+#!/usr/bin/env bash
+# * help [COMMAND]
 #   Get enabled commands
-#   ssh git@host help
+#   Example: help
+#   Example: help create-bare-repo
 
 set -e
 
+HOSTNAME=git.parabola.nu
+
+if [[ "$*" = */* ]]; then
+	printf 'Command names may not contain /\n'
+	exit 1
+fi
+
+if test $# = 0; then
+	cmds=("$(dirname "$0")"/*)
+else
+	cmds=("${@/#/"$(dirname "$0")/"}")
+fi
+
 # Gets the initial comment after the shebeng from every git-shell-command
-for c in "$(dirname "$0")"/*; do
+for c in "${cmds[@]}"; do
 	sed -rn '2,/^[^#]/s/^# ?//p' "$c"
 	echo
-done
+done |
+if test -z "$TERM" || test "$TERM" = dumb; then
+	sed "s/Example: /&ssh $USER@$HOSTNAME /"
+else
+	cat
+fi