X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=zsh%2Frc;h=7f5b1b0cc0eb52b3ed41ea7eb068ce61920bcbf2;hb=fc2020eebed7ddd989ab53e6b9a709da2f39cbf9;hp=48f12fc4b0b0b70fc7866d03d6c1f4661889d0ed;hpb=b1fdce6a314b77279469fb660668143bef080577;p=config%2Fdotfiles.git

diff --git a/zsh/rc b/zsh/rc
index 48f12fc..7f5b1b0 100644
--- a/zsh/rc
+++ b/zsh/rc
@@ -1,6 +1,6 @@
 # Zsh configuration file.
 
-# Copyright (C) 2011-2012  Simon Ruderich
+# Copyright (C) 2011-2013  Simon Ruderich
 #
 # This file is free software: you can redistribute it and/or modify
 # it under the terms of the GNU General Public License as published by
@@ -297,10 +297,10 @@ if [[ $ZSH_VERSION == (4.3.<9->*|4.<4->*|<5->*) ||
             local -a stashes
             # Thanks to Valodim in #zsh on Freenode (2013-07-01 14:14 CEST)
             # for the solution to "grep" the output with (M) and :#(...).
-            stashes=${#${(M)${(f)"$(git stash list 2>/dev/null)"}:#(*WIP*)}}
+            stashes=( ${(M)${(f)"$(git stash list 2>/dev/null)"}:#(*WIP*)} )
 
-            if [[ $stashes -gt 0 ]]; then
-                hook_com[misc]+=" ${yellow}${stashes}s${default}"
+            if [[ ${#stashes} -gt 0 ]]; then
+                hook_com[misc]+=" ${yellow}${#stashes}s${default}"
             fi
         fi
     }
@@ -914,6 +914,63 @@ periodic() {
 }
 
 
+# RESTART SETTINGS
+
+zmodload -F zsh/stat b:zstat
+
+# Remember startup time. Used to perform automatic restarts when ~/.zshrc is
+# modified.
+zshrc_startup_time=$EPOCHSECONDS
+
+# Automatically restart Zsh if ~/.zshrc was modified.
+zshrc_restart_precmd() {
+    local stat
+    if ! zstat -A stat +mtime ~/.zshrc; then
+        return
+    fi
+
+    # ~/.zshrc wasn't modified, nothing to do.
+    if [[ $stat -le $zshrc_startup_time ]]; then
+        return
+    fi
+
+    local startup
+    strftime -s startup '%Y-%m-%d %H:%M:%S' "$zshrc_startup_time"
+
+    echo -n "${fg[magenta]}"
+    echo -n "~/.zshrc modified since startup ($startup) ... "
+    echo -n "${fg[default]}"
+
+    if [[ -n $zshrc_disable_restart ]]; then
+        echo 'automatic restart disabled.'
+        return
+    fi
+
+    # Don't exec if we have background processes because execing will let us
+    # lose control over them.
+    if [[ ${#${(k)jobstates}} -ne 0 ]]; then
+        echo 'active background jobs!'
+        return
+    fi
+
+    # Try to start a new interactive shell. If it fails, something is wrong.
+    # Don't kill our current session by execing it.
+    zsh -i -c 'exit 42'
+    if [[ $? -ne 42 ]]; then
+        echo -n "${fg_bold[red]}"
+        echo 'failed to start new zsh!'
+        echo -n "${fg_bold[default]}"
+        return
+    fi
+
+    echo 'restarting zsh.'
+    echo
+
+    exec zsh
+}
+precmd_functions+=(zshrc_restart_precmd)
+
+
 source_debug '. ~/.zsh/rc (done)'
 
 # vim: ft=zsh