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[gsu.git] / subcommand

diff --git a/subcommand b/subcommand
index 60d8402062ffcbc84eb81f0aa497a98e89f68120..261e35f5e39b6f377529c24a136427106d6301cb 100644 (file)
--- 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