X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=zsh%2Frc;h=869167906cdc85b64131a945a2ffe38a65eb55cd;hb=17a3d6bf1dc5001799987d03b0e890f84a373ac9;hp=48f12fc4b0b0b70fc7866d03d6c1f4661889d0ed;hpb=b1fdce6a314b77279469fb660668143bef080577;p=config%2Fdotfiles.git

diff --git a/zsh/rc b/zsh/rc
index 48f12fc..8691679 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
@@ -50,10 +50,11 @@ zshrc_resolve_fg_to_resumed_job_name() {
 
 # MISCELLANEOUS SETTINGS
 
-# Be paranoid, new files are readable/writable by me only, but not as root.
-if [[ $UID -ne 0 ]]; then
-    umask 077
-fi
+# Prevent warnings.
+typeset -g TMOUT
+# Load general shell setup commands. NOTE: Expand this when publishing the
+# config.
+source_config ~/.shell/rc
 
 # Disable beeps.
 setopt nobeep
@@ -85,8 +86,7 @@ setopt ignoreeof
 # Use Vi(m) style key bindings.
 bindkey -v
 
-# Use jj and jk to exit insert mode.
-bindkey 'jj' vi-cmd-mode
+# Use jk to exit insert mode (jj is too slow).
 bindkey 'jk' vi-cmd-mode
 
 # I don't need the arrow keys, I use ^N and ^P for this (see below).
@@ -221,8 +221,8 @@ if [[ $ZSH_VERSION == (4.3.<9->*|4.<4->*|<5->*) ||
 
     # Load vcs_info to display information about version control repositories.
     autoload -Uz vcs_info
-    # Only look for git and mercurial repositories; the only I use.
-    zstyle ':vcs_info:*' enable git hg
+    # Only look for certain VCS.
+    zstyle ':vcs_info:*' enable git
     # Check the repository for changes so they can be used in %u/%c (see
     # below). This comes with a speed penalty for bigger repositories.
     zstyle ':vcs_info:*' check-for-changes yes
@@ -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${default}"
             fi
         fi
     }
@@ -419,6 +419,8 @@ zshrc_prompt_precmd() {
     local background="%(1j.${yellow}%j${default}.)"
     # Exit code in bright red in parentheses if not zero.
     local exitcode="%(?..(${red}%B%?%b${default}%) )"
+    # Prompt symbol, % for normal users, # in red for root.
+    local symbol="%(!.${red}#${default}.%%)"
 
     # Prefix characters in first and second line.
     local top_prefix="${blue}%B.-%b${default}"
@@ -453,7 +455,7 @@ zshrc_prompt_precmd() {
     local top_separator="%B${blue}${(l:${width}::-:)}%b${default}"
 
     PROMPT="${top_prefix}${top_left}${top_separator}${top_right}
-${bottom_prefix}${user}@${host} ${background}%# ${exitcode}"
+${bottom_prefix}${user}@${host} ${background}${symbol} ${exitcode}"
 }
 precmd_functions+=(zshrc_prompt_precmd)
 
@@ -562,7 +564,7 @@ if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
             name=.zsh
         fi
 
-        # Prepend prefixes like in window_preexec().
+        # Prepend prefixes like in zshrc_window_preexec().
         if [[ $UID -eq 0 ]]; then
             name="!$name"
         fi
@@ -845,15 +847,28 @@ fi
 
 # LOAD ADDITIONAL CONFIGURATION FILES
 
-# Configuration option for rc.local to use GNU screen/tmux. By default GNU
-# screen is used. Possible values: screen, tmux and empty (no value).
+# Configuration options for rc.local.
+
+# Multiplexer to use. By default GNU screen is used. Possible values: screen,
+# tmux and empty (no multiplexer).
 zshrc_use_multiplexer=screen
+# Additional arguments for fortune.
+zshrc_fortune_arguments=()
 
 source_config ~/.zsh/rc.local
 
 
 # RUN COMMANDS
 
+# Make sure the multiplexer is available. Otherwise the exec terminates our
+# session.
+if [[ -n $zshrc_use_multiplexer ]]; then
+    if ! (( $+commands[$zshrc_use_multiplexer] )); then
+        echo "Multiplexer '$zshrc_use_multiplexer' not found." >&2
+        zshrc_use_multiplexer=
+    fi
+fi
+
 # If not already in screen or tmux, reattach to a running session or create a
 # new one. This also starts screen/tmux on a remote server when connecting
 # through ssh.
@@ -890,7 +905,7 @@ if [[ $TERM != dumb && $TERM != linux && -z $STY && -z $TMUX ]]; then
     fi
 fi
 
-# Colorize stderr in red. Very useful when looking for errors. Thanks to
+# Colorize stderr in bold red. Very useful when looking for errors. Thanks to
 # http://gentoo-wiki.com/wiki/Zsh for the basic script and Mikachu in #zsh on
 # Freenode (2010-03-07 04:03 CET) for some improvements (-r, printf). It's not
 # yet perfect and doesn't work with su and git for example, but it can handle
@@ -904,16 +919,84 @@ exec 2>>(while read -r -k -u 0 line; do
     print -n $'\0'
 done &)
 
+# Display possible log messages from ~/.xinitrc (if `xmessage` wasn't
+# installed). No race condition as xinitrc has finished before a shell is
+# executed and only one shell is started on login.
+if [[ -f ~/.xinitrc.errors ]]; then
+    echo "${fg_bold[red]}xinitrc failed!${fg_bold[default]}"
+    echo
+    cat ~/.xinitrc.errors
+    rm ~/.xinitrc.errors
+    echo
+fi
+
 # Run the following programs every 4 hours (and when zsh starts).
 PERIOD=14400
 periodic() {
     # Display fortunes.
-    (( $+commands[fortune] )) && fortune -ac
+    (( $+commands[fortune] )) && fortune -ac "${zshrc_fortune_arguments[@]}"
     # Display reminders.
     (( $+commands[rem] )) && [[ -f ~/.reminders ]] && rem -h
 }
 
 
+# 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