merge oh-my-zsh into subdir

[dotfiles.git] / zsh / plugins / last-working-dir / last-working-dir.plugin.zsh

diff --git a/zsh/plugins/last-working-dir/last-working-dir.plugin.zsh b/zsh/plugins/last-working-dir/last-working-dir.plugin.zsh
new file mode 100644 (file)
index 0000000..5b3121d
--- /dev/null
+++ b/zsh/plugins/last-working-dir/last-working-dir.plugin.zsh
@@ -0,0 +1,23 @@
+#!/usr/bin/env zsh
+# Keeps track of the last used working directory and automatically jumps
+# into it for new shells.
+
+# Flag indicating if we've previously jumped to last directory.
+typeset -g ZSH_LAST_WORKING_DIRECTORY
+local cache_file="$ZSH/cache/last-working-dir"
+
+# Updates the last directory once directory is changed.
+function chpwd() {
+       echo "$PWD" > "$cache_file"
+}
+
+# Changes directory to the last working directory.
+function lwd() {
+       [[ ! -r "$cache_file" ]] || cd `cat "$cache_file"`
+}
+
+# Automatically jump to last working directory unless this isn't the first time
+# this plugin has been loaded.
+if [[ -z "$ZSH_LAST_WORKING_DIRECTORY" ]]; then
+       lwd 2>/dev/null && ZSH_LAST_WORKING_DIRECTORY=1 || true
+fi