Added salias function from the grml zshrc

4 files changed, 43 insertions, 6 deletions

diff --git a/etc/alias/default b/etc/alias/default
index ccda10c..a728824 100644
--- a/etc/alias/default
+++ b/etc/alias/default
@@ -40,8 +40,8 @@ alias host='host -a'
 alias mx='mx -aZ'
 
 # Only TCP/TCP6, not sockets and such
-alias netstat='sudo netstat -atp tcp'
-linux: alias netstat='sudo netstat --program --all --tcp --extend'
+salias netstat='netstat -atp tcp'
+linux: salias netstat='netstat --program --all --tcp --extend'
 
 
 #
diff --git a/etc/alias/short b/etc/alias/short
index ee4fedb..9c45432 100644
--- a/etc/alias/short
+++ b/etc/alias/short
@@ -62,5 +62,5 @@ alias rd='rmdir'
 alias rsync-serve="rsync --daemon --port=10873 --no-detach --config=/dev/stdin --log-file=/dev/stdout -v <<< $'[.]\n\tpath = .\n\tuse chroot = no'"
 
 ## Suspend
-alias s2d='sudo s2disk'
-alias s2r='sudo s2ram -f'
+salias s2d='s2disk'
+salias s2r='s2ram -f'
diff --git a/etc/function b/etc/function
index 60d6454..3ee4d4a 100644
--- a/etc/function
+++ b/etc/function
@@ -7,8 +7,8 @@ autoload catch throw
 autoload zargs
 
 # own functions
-autoload anytag chpwd dirinfo extr plonkhost put reload rtab world-readable
-autoload xexport xsource youtube-watch
+autoload anytag chpwd dirinfo extr plonkhost put reload rtab salias 
+autoload world-readable xexport xsource youtube-watch
 
 colors
 chpwd
diff --git a/etc/functions/salias b/etc/functions/salias
new file mode 100644
index 0000000..d8a3340
--- /dev/null
+++ b/etc/functions/salias
@@ -0,0 +1,37 @@
+## vim:ft=zsh
+## creates an alias and precedes the command with sudo if $EUID is not zero.
+## Taken from the grml zshrc - http://grml.org
+local only=0
+local multi=0
+while [[ ${1} == -* ]] ; do
+	case ${1} in
+		(-o) only=1 ;;
+		(-a) multi=1 ;;
+		(--) shift ; break ;;
+		(-h)
+			printf 'usage: salias [-h|-o|-a] <alias-expression>\n'
+			printf '  -h      shows this help text.\n'
+			printf '  -a      replace '\'' ; '\'' sequences with '\'' ; sudo '\''.\n'
+			printf '          be careful using this option.\n'
+			printf '  -o      only sets an alias if a preceding sudo would be needed.\n'
+			return 0
+			;;
+		(*) printf "unkown option: '%s'\n" "${1}" ; return 1 ;;
+	esac
+	shift
+done
+
+if (( ${#argv} > 1 )) ; then
+	printf 'Too many arguments %s\n' "${#argv}"
+	return 1
+fi
+
+key="${1%%\=*}" ;  val="${1#*\=}"
+if (( EUID == 0 )) && (( only == 0 )); then
+	alias -- "${key}=${val}"
+elif (( EUID > 0 )) ; then
+	(( multi > 0 )) && val="${val// ; / ; sudo }"
+	alias -- "${key}=sudo ${val}"
+fi
+
+return 0