zshenv: move path_{append,prepend} to utils

...so these can be used in zshrc as well.

1 files changed, 24 insertions, 0 deletions

diff --git a/.zsh/utils b/.zsh/utils
index fd81acd..1097637 100644
--- a/.zsh/utils
+++ b/.zsh/utils
@@ -7,6 +7,30 @@
 #
 # Source repository: git://git.distanz.ch/dotfiles/zsh.git
 
+# prepend custom directory to $PATH
+path_prepend()
+{
+  local dir
+  for dir; do
+    case "$PATH" in
+      "*:${dir}:*"|"${dir}:*"|"*:${dir}") :;;
+      *) test -d "$dir" && path=("$dir" $path);;
+    esac
+  done
+}
+
+# append custom directory to $PATH
+path_append()
+{
+  local dir
+  for dir; do
+    case "$PATH" in
+      "*:${dir}:*"|"${dir}:*"|"*:${dir}") :;;
+      *) test -d "$dir" && path+="$dir";;
+    esac
+  done
+}
+
 # are we root?
 is_root() {
   test ${EUID:?} -eq 0