zshrc: add a handler that uses debian's command-not-found package

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

diff --git a/etc/zsh/zshrc b/etc/zsh/zshrc
index 3dffc29..8a836cd 100644 (file)
--- a/etc/zsh/zshrc
+++ b/etc/zsh/zshrc
@@ -230,6 +230,8 @@ zrcautoload is-at-least || is-at-least() { return 1 }
 NOCOR=${NOCOR:-0}
 NOMENU=${NOMENU:-0}
 NOPRECMD=${NOPRECMD:-0}
+COMMAND_NOT_FOUND=${COMMAND_NOT_FOUND:-0}
+GRML_ZSH_CNF_HANDLER=${GRML_ZSH_CNF_HANDLER:-/usr/share/command-not-found/command-not-found}
 BATTERY=${BATTERY:-0}
 GRMLSMALL_SPECIFIC=${GRMLSMALL_SPECIFIC:-1}
 GRML_ALWAYS_LOAD_ALL=${GRML_ALWAYS_LOAD_ALL:-0}
@@ -453,9 +455,7 @@ zrclocal() {
 #}}}
 
 # locale setup {{{
-if [[ -z "$LANG" ]] ; then
-   xsource "/etc/default/locale"
-fi
+xsource "/etc/default/locale"
 
 export LANG=${LANG:-en_US.iso885915}
 for var in LC_ALL LC_MESSAGES ; do
@@ -630,6 +630,14 @@ grml_toggle_abbrev() {
 zle -N grml_toggle_abbrev
 bindkey '^xA' grml_toggle_abbrev
 
+# add a command line to the shells history without executing it
+commit-to-history() {
+    print -s ${(z)BUFFER}
+    zle send-break
+}
+zle -N commit-to-history
+bindkey "^x^h" commit-to-history
+
 # }}}
 
 # a generic accept-line wrapper {{{
@@ -783,26 +791,26 @@ declare -A abk
 setopt extendedglob
 setopt interactivecomments
 abk=(
-# key  # value                (#d additional doc string)
+#   key   # value                  (#d additional doc string)
 #A# start
-    '...' '../..'
+    '...'  '../..'
     '....' '../../..'
-    'BG' '& exit'
-    'C' '| wc -l'
-    'G' '|& grep --color=auto'
-    'H' '| head'
-    'Hl' ' --help |& less -r'      #d (Display help in pager)
-    'L' '| less'
-    'LL' '|& less -r'
-    'M' '| most'
-    'N' '&>/dev/null'              #d (No Output)
-    'R' '| tr A-z N-za-m'          #d (ROT13)
-    'SL' '| sort | less'
-    'S' '| sort -u'
-    'T' '| tail'
-    'V' '|& vim -'
+    'BG'   '& exit'
+    'C'    '| wc -l'
+    'G'    '|& grep --color=auto '
+    'H'    '| head'
+    'Hl'   ' --help |& less -r'    #d (Display help in pager)
+    'L'    '| less'
+    'LL'   '|& less -r'
+    'M'    '| most'
+    'N'    '&>/dev/null'           #d (No Output)
+    'R'    '| tr A-z N-za-m'       #d (ROT13)
+    'SL'   '| sort | less'
+    'S'    '| sort -u'
+    'T'    '| tail'
+    'V'    '|& vim -'
 #A# end
-    'co' "./configure && make && sudo make install"
+    'co'   './configure && make && sudo make install'
 )
 
 globalias() {
@@ -1032,7 +1040,7 @@ fi
 
 battery() {
 if [[ $BATTERY -gt 0 ]] ; then
-    PERCENT="${${"$(acpi 2>/dev/null)"}/(#b)[[:space:]]##Battery <->: [^0-9]##, (<->)%*/${match[1]}}"
+    PERCENT="${${"$(acpi 2>/dev/null)"}/(#b)[[:space:]]#Battery <->: [^0-9]##, (<->)%*/${match[1]}}"
     if [[ -z "$PERCENT" ]] ; then
         PERCENT='acpi not present'
     else
@@ -1907,6 +1915,19 @@ fi
 
 # }}}
 
+# command not found handling {{{
+
+(( ${COMMAND_NOT_FOUND} == 1 )) &&
+function command_not_found_handler() {
+    setopt localoptions no_sh_wordsplit
+    if [[ -x ${GRML_ZSH_CNF_HANDLER} ]] ; then
+        ${GRML_ZSH_CNF_HANDLER} $1
+    fi
+    return 1
+}
+
+# }}}
+
 # {{{ set prompt
 if zrcautoload promptinit && promptinit 2>/dev/null ; then
     promptinit # people should be able to use their favourite prompt
@@ -2195,6 +2216,11 @@ the zsh yet. :)
   "NOTITLE=1  zsh" => disable setting the title of xterms without disabling
                       preexec() and precmd() completely
   "BATTERY=1  zsh" => activate battery status (via acpi) on right side of prompt
+  "COMMAND_NOT_FOUND=1 zsh"
+                   => Enable a handler if an external command was not found
+                      The command called in the handler can be altered by setting
+                      the GRML_ZSH_CNF_HANDLER variable, the default is:
+                      "/usr/share/command-not-found/command-not-found"
 
 A value greater than 0 is enables a feature; a value equal to zero
 disables it. If you like one or the other of these settings, you can
@@ -2465,7 +2491,9 @@ grmlcomp() {
 
     # use generic completion system for programs not yet defined; (_gnu_generic works
     # with commands that provide a --help option with "standard" gnu-like output.)
-    compdef _gnu_generic tail head feh cp mv df stow uname ipacsum fetchipac
+    for compcom in tail head feh cp mv df stow uname ipacsum fetchipac; do
+        [[ -z ${_comps[$compcom]} ]] && compdef _gnu_generic ${compcom}
+    done; unset compcom
 
     # see upgrade function in this file
     compdef _hosts upgrade
@@ -2846,6 +2874,17 @@ minimal-shell() {
     exec env -i ENV="/etc/minimal-shellrc" HOME="$HOME" TERM="$TERM" ksh
 }
 
+# a wrapper for vim, that deals with title setting
+#   VIM_OPTIONS
+#       set this array to a set of options to vim you always want
+#       to have set when calling vim (in .zshrc.local), like:
+#           VIM_OPTIONS=( -p )
+#       This will cause vim to send every file given on the
+#       commandline to be send to it's own tab (needs vim7).
+vim() {
+    VIM_PLEASE_SET_TITLE='yes' command vim ${VIM_OPTIONS} "$@"
+}
+
 # make a backup of a file
 bk() {
     cp -a "$1" "${1}_$(date --iso-8601=seconds)"