X-Git-Url: https://ruderich.org/simon/gitweb/?a=blobdiff_plain;f=zsh%2Frc;h=3c4234be89931d95530895a2f9d9011e56e691c8;hb=750e1cf656be5048bd72b8a9f19bea83fc396e16;hp=cbf880e5c5ae89f2a164bf723189997241dcb8be;hpb=a41a1bf8c3d79a651c235befadb84e6d559fb7c8;p=config%2Fdotfiles.git

diff --git a/zsh/rc b/zsh/rc
index cbf880e..3c4234b 100644
--- a/zsh/rc
+++ b/zsh/rc
@@ -11,9 +11,6 @@ bindkey -v
 # Be paranoid, new files are readable/writable by me only.
 umask 077
 
-# Make sure core dumps are created.
-ulimit -c unlimited
-
 # Prevent overwriting existing files with '> filename', use '>| filename'
 # (or >!) instead.
 setopt noclobber
@@ -40,7 +37,26 @@ setopt ignoreeof
 fpath=(~/.zsh/functions $fpath)
 # Autoload my functions (except completion functions and hidden files). Thanks
 # to caphuso from the Zsh example files for this idea.
-autoload ${fpath[1]}/^_*(:t)
+autoload ${fpath[1]}/^_*(^/:t)
+
+# Simulate hooks using _functions arrays for Zsh versions older then 4.3.4. At
+# the moment only precmd() and preexec() are simulated.
+if [[ $ZSH_VERSION != (4.3.<4->|4.<4->*|<5->*) ]]; then
+    # Provide add-zsh-hook which was added in 4.3.4.
+    fpath=($fpath ~/.zsh/functions/compatibility)
+
+    # Run all functions defined in the ${precmd,preexec}_functions arrays.
+    function precmd() {
+        for function in $precmd_functions; do
+            $function $@
+        done
+    }
+    function preexec() {
+        for function in $preexec_functions; do
+            $function $@
+        done
+    }
+fi
 
 # Autoload add-zsh-hook to add/remove zsh hook functions easily.
 autoload -Uz add-zsh-hook
@@ -120,9 +136,10 @@ if [[ $TERM == screen ]]; then
     screen_preexec() {
         # Get the program name with its arguments.
         local program_name=$1
-        # When sudo is used use real program name instead.
+        # When sudo is used use real program name instead, but with an
+        # exclamation mark at the beginning.
         if [[ $program_name == sudo* ]]; then
-            program_name=${program_name#sudo }
+            program_name=!${program_name#sudo }
         fi
         # Remove all arguments from the program name.
         program_name=${program_name%% *}
@@ -224,6 +241,9 @@ alias diff='diff -u'
 # Display all files and use human readable sizes.
 alias du='du -sh'
 
+# Use human readable sizes.
+alias df='df -h'
+
 # Multiple files given to Vim are opened in tabs, supported since Vim 7.
 if [[ ${${${(f)"$(vim --version)"}[1]#VIM - Vi IMproved }%% *} == 7* ]]; then
     alias vim='vim -p'