X-Git-Url: http://git.tuebingen.mpg.de/?p=gsu.git;a=blobdiff_plain;f=funcs%2Fgsu;h=e7a49feaf2a084def529e9ba95512922d050437a;hp=d78233ed3a8e2dab0fbaa092006f5ecc167391ff;hb=36395c9a656df7f1834d0840c07662885adcf52b;hpb=33ed4a27159aae243c71991fb71c2948cd1042e0

diff --git a/funcs/gsu b/funcs/gsu
index d78233e..e7a49fe 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 < ${#gsu_options[@]}; i++)); do
 		local name= option_type= default_value= required=
@@ -387,17 +400,6 @@ export -f _gsu_check_options
 gsu()
 {
 	local i
-
-	gsu_is_a_number "${BASH_VERSINFO[0]}"
-	if [[ $ret -lt 0 ]]; then
-		gsu_msg "fatal: failed to determine bash version"
-		exit 1
-	fi
-
-	if [[ "${BASH_VERSINFO[0]}" -lt 4 ]]; then
-		gsu_msg "fatal: This script requires at least bash 4.0"
-		exit 1
-	fi
 	_gsu_self="$(basename $0)"
 	gsu_name="${gsu_name:=$_gsu_self}"
 	gsu_config_var_prefix="${gsu_config_var_prefix:=$gsu_name}"