zshrc: Move preexec() code to hooks

[grml-etc-core.git] / etc / zsh / zshrc

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index 5f832c7..94420c7 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -985,6 +985,17 @@ for rh in run-help{,-git,-svk,-svn}; do
     zrcautoload $rh
 done; unset rh
 
+# command not found handling
+
+(( ${COMMAND_NOT_FOUND} == 1 )) &&
+function command_not_found_handler() {
+    emulate -L zsh
+    if [[ -x ${GRML_ZSH_CNF_HANDLER} ]] ; then
+        ${GRML_ZSH_CNF_HANDLER} $1
+    fi
+    return 1
+}
+
 # completion system
 if zrcautoload compinit ; then
     compinit || print 'Notice: no compinit available :('
@@ -1240,8 +1251,6 @@ PS4='+%N:%i:%_> '
 #    - battery status
 #    - debian_chroot
 #    - vcs_info setup and version specific fixes
-#    - command-not-found handling
-#      (TODO: This has nothing to do with prompts: move!)
 
 # display battery status on right side of prompt via running 'BATTERY=1 zsh'
 if [[ $BATTERY -gt 0 ]] ; then
@@ -1267,7 +1276,7 @@ fi
 
 # set variable debian_chroot if running in a chroot with /etc/debian_chroot
 if [[ -z "$debian_chroot" ]] && [[ -r /etc/debian_chroot ]] ; then
-    debian_chroot=$(cat /etc/debian_chroot)
+    debian_chroot=$(</etc/debian_chroot)
 fi
 
 # gather version control information for inclusion in a prompt
@@ -1307,17 +1316,6 @@ else
     zstyle ':vcs_info:(sv[nk]|bzr):*' branchformat "%b${RED}:${YELLOW}%r"
 fi
 
-# command not found handling
-
-(( ${COMMAND_NOT_FOUND} == 1 )) &&
-function command_not_found_handler() {
-    emulate -L zsh
-    if [[ -x ${GRML_ZSH_CNF_HANDLER} ]] ; then
-        ${GRML_ZSH_CNF_HANDLER} $1
-    fi
-    return 1
-}
-
 # Now for the fun part: The grml prompt themes in `promptsys' mode of operation
 
 # This actually defines three prompts:
@@ -1673,29 +1671,23 @@ function grml_vcs_to_screen_title () {
     fi
 }
 
-zrcautoload add-zsh-hook || add-zsh-hook () { :; }
-if [[ $NOPRECMD -gt 0 ]]; then
-    add-zsh-hook precmd grml_reset_screen_title
-    add-zsh-hook precmd grml_vcs_to_screen_title
-fi
-
-# preexec() => a function running before every command
-is4 && [[ $NOPRECMD -eq 0 ]] && \
-preexec () {
-    [[ $NOPRECMD -gt 0 ]] && return 0
-# set hostname if not running on host with name 'grml'
+function grml_maintain_name () {
+    # set hostname if not running on host with name 'grml'
     if [[ -n "$HOSTNAME" ]] && [[ "$HOSTNAME" != $(hostname) ]] ; then
        NAME="@$HOSTNAME"
     fi
-# get the name of the program currently running and hostname of local machine
-# set screen window title if running in a screen
+}
+
+function grml_cmd_to_screen_title () {
+    # get the name of the program currently running and hostname of local
+    # machine set screen window title if running in a screen
     if [[ "$TERM" == screen* ]] ; then
-        # local CMD=${1[(wr)^(*=*|sudo|ssh|-*)]}       # don't use hostname
-        local CMD="${1[(wr)^(*=*|sudo|ssh|-*)]}$NAME" # use hostname
+        local CMD="${1[(wr)^(*=*|sudo|ssh|-*)]}$NAME"
         ESC_print ${CMD}
     fi
-# adjust title of xterm
-    [[ ${NOTITLE} -gt 0 ]] && return 0
+}
+
+function grml_control_xterm_title () {
     case $TERM in
         (xterm*|rxvt*)
             set_title "${(%):-"%n@%m:"}" "$1"
@@ -1703,6 +1695,17 @@ preexec () {
     esac
 }
 
+zrcautoload add-zsh-hook || add-zsh-hook () { :; }
+if [[ $NOPRECMD -gt 0 ]]; then
+    add-zsh-hook precmd grml_reset_screen_title
+    add-zsh-hook precmd grml_vcs_to_screen_title
+    add-zsh-hook preexec grml_maintain_name
+    add-zsh-hook preexec grml_cmd_to_screen_title
+    if [[ $NOTITLE -eq 0 ]]; then
+        add-zsh-hook preexec grml_control_xterm_title
+    fi
+fi
+
 # 'hash' some often used directories
 #d# start
 hash -d deb=/var/cache/apt/archives