X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=subcommand;h=261e35f5e39b6f377529c24a136427106d6301cb;hb=10bc168fc71c52c1767151e138a6b1031b837ea8;hp=60d8402062ffcbc84eb81f0aa497a98e89f68120;hpb=ef5511cca6c97635c547dfb5418961bd7a72cf5f;p=gsu.git

diff --git a/subcommand b/subcommand
index 60d8402..261e35f 100644
--- a/subcommand
+++ b/subcommand
@@ -1,5 +1,6 @@
 #!/bin/bash
-# (C) 2006-2011 Andre Noll
+# Copyright (C) 2006 Andre Noll
+# Licensed under the LGPL, version 3. See COPYING and COPYING.LESSER.
 
 if [[ "$(type -t _gsu_setup)" != "function" ]]; then
 	gsu_dir=${gsu_dir:-${BASH_SOURCE[0]%/*}}
@@ -57,7 +58,7 @@ _gsu_print_available_commands()
 	printf 'Available commands:\n'
 	for cmd in $gsu_cmds; do
 		printf '%s' "$cmd"
-		let count++
+		let ++count
 		if (($count % 4)); then
 			printf '\t'
 			((${#cmd} < 8)) && printf '\t'
@@ -68,6 +69,8 @@ _gsu_print_available_commands()
 	printf '\n'
 }
 
+# Print all options of the given optstring to stdout if the word in the current
+# command line begins with a hyphen character.
 gsu_complete_options()
 {
 	local opts="$1" cword="$2" cur opt
@@ -546,6 +549,7 @@ gsu()
 	# external commands
 	for i in $gsu_cmds; do
 		if test "$arg" = "$i"; then
+			ret=$GSU_SUCCESS
 			com_$arg "$@"
 			if (("$ret" < 0)); then
 				gsu_err_msg