X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=funcs%2Fgsu;h=f53671774a36e5e4054ad227143f2ce0136b4071;hb=859161e1efa39afbb8368c8cf64f9d310aae69e7;hp=df25bf63c429ca9873024a2dd4e8283be161143c;hpb=2e6e1e17c1fd1e247eb6b458549df92e03536612;p=gsu.git

diff --git a/funcs/gsu b/funcs/gsu
index df25bf6..f536717 100644
--- a/funcs/gsu
+++ b/funcs/gsu
@@ -1,6 +1,6 @@
 #!/bin/bash
 # gsu -- the global subcommand utility
-# (C) 2006-2009 Andre Noll
+# (C) 2006-2010 Andre Noll
 
 _gsu_init_errors()
 {
@@ -8,14 +8,13 @@ _gsu_init_errors()
 GSU_SUCCESS			success
 E_GSU_BAD_COMMAND		invalid command
 E_GSU_NOT_A_NUMBER		not a number
-E_GSU_SOURCE			error in config file
-E_GSU_CONFIG			bad/missing config file option
 E_GSU_BAD_CONFIG_VAR		invalid config variable
 E_GSU_NEED_VALUE		value required but not given
 E_GSU_BAD_BOOL			bad value for boolian option
 E_GSU_BAD_OPTION_TYPE		invalid option type
 E_GSU_BAD_ARG_COUNT		invalid number of arguments
-E_NO_DEFAULT			missing default value
+E_GSU_EDITOR			failed to execute editor
+E_GSU_MKDIR			failed to create directory
 $gsu_errors
 "
 	local a b i=0
@@ -171,13 +170,27 @@ export -f _gsu_print_available_commands
 export gsu_prefs_txt="
 Print the current preferences.
 
-Usage: prefs
+Usage: prefs [-e]
 
-Print out a list of all cmt config variables, together with their current value
-and the default value."
+If -e is given, the config file is opened with the default editor.  Without
+options, the command prints out a list of all cmt config variables, together
+with their current value and the default value."
 _com_prefs()
 {
-	local i
+	local i conf="${gsu_config_file:=$HOME/.$gsu_name.rc}"
+
+	if [[ "$1" = "-e" ]]; then
+		ret=-$E_GSU_MKDIR
+		result="${conf%/*}"
+		mkdir -p "$result"
+		[[ $? -ne 0 ]] && return
+		ret=-$E_GSU_EDITOR
+		result="${EDITOR:-vi}"
+		"$result" "$conf"
+		[[ $? -ne 0 ]] && return
+		ret=$GSU_SUCCESS
+		return
+	fi
 
 	for ((i=0; i < ${#gsu_options[@]}; i++)); do
 		local name= option_type= default_value= required=
@@ -432,7 +445,7 @@ gsu()
 	for i in $gsu_cmds; do
 		if test "$arg" = "$i"; then
 			com_$arg "$@"
-			if test $ret -lt 0; then
+			if [[ "$ret" -lt 0 ]]; then
 				gsu_err_msg
 				exit 1
 			fi