zsh/rc: Add global aliases N (>/dev/null) and EN (2>/dev/null).

[config/dotfiles.git] / zsh / rc

diff --git a/zsh/rc b/zsh/rc
index 7e817ac9b904fd00a568ec2bf8c347b1444f5feb..f696a34f16efa20fe5bbf7d4c5c708e41ed498c5 100644 (file)
--- a/zsh/rc
+++ b/zsh/rc
@@ -82,13 +82,7 @@ fi
 
 # Simulate hooks using _functions arrays for Zsh versions older than 4.3.4. At
 # the moment only precmd(), preexec() and chpwd() are simulated.
-#
-# At least 4.3.4 (not sure about later versions) has an error in add-zsh-hook
-# so the compatibility version is used there too.
-if [[ $ZSH_VERSION != (4.3.<5->*|4.<4->*|<5->*) ]]; then
-    # Provide add-zsh-hook which was added in 4.3.4.
-    fpath=(~/.zsh/functions/compatibility $fpath)
-
+if [[ $ZSH_VERSION != (4.3.<4->*|4.<4->*|<5->*) ]]; then
     # Run all functions defined in the ${precmd,preexec,chpwd}_functions
     # arrays.
     function precmd() {
@@ -108,9 +102,6 @@ if [[ $ZSH_VERSION != (4.3.<5->*|4.<4->*|<5->*) ]]; then
     }
 fi
 
-# Autoload add-zsh-hook to add/remove zsh hook functions easily.
-autoload -Uz add-zsh-hook
-
 # Load zmv (zsh move) which is a powerful file renamer.
 autoload -Uz zmv
 
@@ -266,7 +257,7 @@ if [[ $ZSH_VERSION == (4.3.<9->*|4.<4->*|<5->*) ||
     prompt_chpwd() {
         FORCE_RUN_VCS_INFO=1
     }
-    add-zsh-hook chpwd prompt_chpwd
+    chpwd_functions+=(prompt_chpwd)
 
     # Used by prompt code below to determine if vcs_info should be run.
     RUN_VCS_INFO=1
@@ -325,7 +316,7 @@ $blue%B'%b$default\
 $green%B%n%b$default@$green%B%m%b$default %(1j.$yellow%j$default.)%# \
 %(?..($red%B%?%b$default%) )"
 }
-add-zsh-hook precmd prompt_precmd
+precmd_functions+=(prompt_precmd)
 
 
 # When screen, tmux, xterm or rxvt is used set the name of the window to the
@@ -468,8 +459,8 @@ if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
     fi
 
     # Add the preexec() and precmd() hooks.
-    add-zsh-hook preexec window_preexec
-    add-zsh-hook precmd window_precmd
+    preexec_functions+=(window_preexec)
+    precmd_functions+=(window_precmd)
 else
     # Fallback if another TERM is used, necessary to run screen (see below in
     # "RUN COMMANDS").
@@ -610,6 +601,12 @@ bindkey '^F' complete-files
 # <nyh@math.technion.ac.il> for a fix (-r) to handle whitespace/quotes
 # correctly, both on the Zsh mailing list.
 TRAPINT() {
+    # Don't store this line in history if histignorespace is enabled and the
+    # line starts with a space.
+    if [[ -o histignorespace && ${BUFFER[1]} = " " ]]; then
+        return $1
+    fi
+
     # Store the current buffer in the history.
     zle && print -s -r -- $BUFFER
 
@@ -627,6 +624,8 @@ alias sudo='sudo '
 
 # Global aliases for often used redirections.
 alias -g E='2>&1'
+alias -g N='>/dev/null'
+alias -g EN='2>/dev/null'
 alias -g L='2>&1 | less'
 alias -g LS='2>&1 | less -S' # -S prevents wrapping of long lines
 alias -g D='2>&1 | colordiff | less'