zsh/rc: Fix title when using screen.

[config/dotfiles.git] / zsh / rc

diff --git a/zsh/rc b/zsh/rc
index 228233b5d48da404bf53d83f3dc762abc8baee88..cfd3f432c4a76247e64d4e301a619d7d00906c7c 100644 (file)
--- a/zsh/rc
+++ b/zsh/rc
@@ -145,7 +145,8 @@ bindkey -a '^N' history-beginning-search-forward
 # Use colorized output, necessary for prompts and completions.
 autoload -U colors && colors
 
-# Some shortcuts for colors.
+# Some shortcuts for colors. The %{...%} tells zsh that the data in between
+# doesn't need any space, necessary for correct prompt draw.
 local red="%{${fg[red]}%}"
 local blue="%{${fg[blue]}%}"
 local green="%{${fg[green]}%}"
@@ -244,6 +245,9 @@ unset red blue green yellow default
 # screen is running on the remote machine instead of @screen @:hostname
 # (hostname replaced by the machine's hostname) is displayed. This only works
 # if the .zshrc on the server also uses this command.
+#
+# screen* is necessary as `screen` uses screen.linux for example for a linux
+# console.
 if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
     # Is set to a non empty value to reset the window name in the next
     # precmd() call.
@@ -283,7 +287,7 @@ if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
             m)
                 program_name=mutt
                 ;;
-            v|vi)
+            v)
                 program_name=vim
                 ;;
         esac
@@ -326,13 +330,13 @@ if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
         fi
 
         # Prepend prefixes like in window_preexec().
+        if [[ -n $window_root ]]; then
+            name="!$name"
+        fi
         if [[ -n $SSH_CONNECTION ]]; then
-            window_title "@$name"
-        elif [[ -n $window_root ]]; then
-            window_title "!$name"
-        else
-            window_title $name
+            name="@$name"
         fi
+        window_title $name
 
         # Just reset the name, so no screen reset necessary for the moment.
         window_reset=
@@ -347,6 +351,9 @@ if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
         window_title() {
             print -n "\e]2;$1\e\\"
         }
+    else
+        # Fallback if another TERM is used.
+        window_title() { }
     fi
 
     # Add the preexec() and precmd() hooks.
@@ -398,12 +405,14 @@ zstyle ':completion:*' group-name ''
 zstyle ':completion:*:functions' ignored-patterns '_*'
 # Ignore parent directory.
 zstyle ':completion:*:(cd|mv|cp):*' ignore-parents parent pwd
-# When unsetting variables make sure every variable name is only suggested
-# once.
-zstyle ':completion:*:unset:*' ignore-line yes
-# When working with Mercurial and Git don't complete the same file multiple
-# times. Very useful when completing file names.
-zstyle ':completion:*:(hg|git)*:*' ignore-line yes
+# Always complete one value (file name) only once in the current line. This
+# makes it easy to complete multiple values because I can just press tab to
+# get all possible values. Otherwise I would have to skip the first value
+# again and again.
+zstyle ':completion:*' ignore-line yes
+# Except for mv and cp, because I often want to use to similar names, so I
+# complete to the same and change it.
+zstyle ':completion:*:(mv|cp):*' ignore-line no
 
 
 # CUSTOM ALIASES AND FUNCTIONS
@@ -414,10 +423,12 @@ zstyle ':completion:*:(hg|git)*:*' ignore-line yes
 # typing the command.
 #
 # Thanks to Vadim Zeitlin <vz-zsh@zeitlins.org> for a fix (--) so lines
-# starting with - don't cause errors.
+# starting with - don't cause errors; and to Nadav Har'El
+# <nyh@math.technion.ac.il> for a fix (-r) to handle whitespace/quotes
+# correctly, both on the Zsh mailing list.
 TRAPINT() {
     # Store the current buffer in the history.
-    zle && print -s -- $BUFFER
+    zle && print -s -r -- $BUFFER
 
     # Return the default exit code so Zsh aborts the current command.
     return $1
@@ -487,14 +498,16 @@ tig() {
 
 # OS SPECIFIC SETTINGS
 
-if [[ $(uname) == Linux ]]; then
+local uname=$(uname)
+
+if [[ $uname == Linux ]]; then
     # Settings when creating Debian packages.
     DEBEMAIL=simon@ruderich.org
     export DEBEMAIL
     DEBFULLNAME='Simon Ruderich'
     export DEBFULLNAME
 
-elif [[ $(uname) == Darwin ]]; then # Mac OS X
+elif [[ $uname == Darwin ]]; then # Mac OS X
     # Store the current clipboard in CLIPBOARD before every command so it can
     # be used in commands.
     os_darwin_preexec() {
@@ -522,18 +535,20 @@ source_config ~/.zsh host rc ${$(hostname)//.*/}
 # RUN COMMANDS
 
 # If not already in screen reattach to a running session or create a new one.
-#
-# screen* is necessary as `screen` uses screen.linux for example for a linux
-# console which would otherwise cause an infinite loop.
-if [[ $TERM != screen* && $TERM != 'dumb' ]]; then
+# This also starts screen one a remote server when connecting through ssh.
+if [[ $TERM != dumb && -z $STY ]]; then
     # Get running detached sessions.
     session=$(screen -list | grep 'Detached' | awk '{ print $1; exit }')
+
+    # As we exec later we have to set the title here.
+    window_preexec "screen"
+
     # Create a new session if none is running.
     if [[ -z $session ]]; then
-        screen
+        exec screen
     # Reattach to a running session.
     else
-        screen -r $session
+        exec screen -r $session
     fi
 fi