Merge branch 'master' into fabric_task_description

1 files changed, 11 insertions, 18 deletions

diff --git a/lib/functions.zsh b/lib/functions.zsh
index 9f11318d2..61dfa4780 100644
--- a/lib/functions.zsh
+++ b/lib/functions.zsh
@@ -11,33 +11,27 @@ function upgrade_oh_my_zsh() {
 }
 
 function take() {
-  mkdir -p $1
-  cd $1
+  mkdir -p $@ && cd ${@:$#}
 }
 
 function open_command() {
-  emulate -L zsh
-  setopt shwordsplit
-
   local open_cmd
 
   # define the open command
   case "$OSTYPE" in
     darwin*)  open_cmd='open' ;;
     cygwin*)  open_cmd='cygstart' ;;
-    linux*)   open_cmd='xdg-open' ;;
+    linux*)   [[ "$(uname -r)" != *icrosoft* ]] && open_cmd='nohup xdg-open' || {
+                open_cmd='cmd.exe /c start ""'
+                [[ -e "$1" ]] && { 1="$(wslpath -w "${1:a}")" || return 1 }
+              } ;;
     msys*)    open_cmd='start ""' ;;
     *)        echo "Platform $OSTYPE not supported"
               return 1
               ;;
   esac
 
-  # don't use nohup on OSX
-  if [[ "$OSTYPE" == darwin* ]]; then
-    $open_cmd "$@" &>/dev/null
-  else
-    nohup $open_cmd "$@" &>/dev/null
-  fi
+  ${=open_cmd} "$@" &>/dev/null
 }
 
 #
@@ -52,8 +46,7 @@ function open_command() {
 #    1 if it does not exist
 #
 function alias_value() {
-    alias "$1" | sed "s/^$1='\(.*\)'$/\1/"
-    test $(alias "$1")
+    (( $+aliases[$1] )) && echo $aliases[$1]
 }
 
 #
@@ -81,12 +74,12 @@ function try_alias_value() {
 #    0 if the variable exists, 3 if it was set
 #
 function default() {
-    test `typeset +m "$1"` && return 0
+    (( $+parameters[$1] )) && return 0
     typeset -g "$1"="$2"   && return 3
 }
 
 #
-# Set enviroment variable "$1" to default value "$2" if "$1" is not yet defined.
+# Set environment variable "$1" to default value "$2" if "$1" is not yet defined.
 #
 # Arguments:
 #    1. name - The env variable to set
@@ -95,8 +88,8 @@ function default() {
 #    0 if the env variable exists, 3 if it was set
 #
 function env_default() {
-    env | grep -q "^$1=" && return 0
-    export "$1=$2"       && return 3
+    (( ${${(@f):-$(typeset +xg)}[(I)$1]} )) && return 0
+    export "$1=$2" && return 3
 }