[zsh] OSC 7 hook

.zshrc

@@ -43,6 +43,18 @@ else
     promptinit; prompt gentoo
 fi
 
+function osc7-pwd() {
+    emulate -L zsh # also sets localoptions for us
+    setopt extendedglob
+    local LC_ALL=C
+    printf '\e]7;file://%s%s\e\' $HOST ${PWD//(#m)([^@-Za-z&-;_~])/%${(l:2::0:)$(([##16]#MATCH))}}
+}
+
+function chpwd-osc7-pwd() {
+    (( ZSH_SUBSHELL )) || osc7-pwd
+}
+add-zsh-hook -Uz chpwd chpwd-osc7-pwd
+
 # completion settings
 zstyle ':completion:*' completer _expand _complete _ignored _correct _approximate
 zstyle ':completion:*' matcher-list 'm:{[:lower:][:upper:]}={[:upper:][:lower:]}' 'r:|[._-]=** r:|=**'