zsh: Make sure elements in PATH are unique.

[config/dotfiles.git] / zsh / rc

diff --git a/zsh/rc b/zsh/rc
index 62b4a58fe1a66d73b56c63480660ef58fb4ecaf5..390ce7edba8dba58a2da6d3427f3222e4c64eb34 100644 (file)
--- a/zsh/rc
+++ b/zsh/rc
@@ -11,6 +11,9 @@ bindkey -v
 # Be paranoid, new files are readable/writable by me only.
 umask 077
 
+# Disable beeps.
+setopt nobeep
+
 # Prevent overwriting existing files with '> filename', use '>| filename'
 # (or >!) instead.
 setopt noclobber
@@ -44,7 +47,9 @@ fi
 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)
+if [[ -d ~/.zsh/functions ]]; then
+    autoload ${fpath[1]}/^_*(^/:t)
+fi
 
 # Simulate hooks using _functions arrays for Zsh versions older than 4.3.4. At
 # the moment only precmd() and preexec() are simulated.
@@ -75,8 +80,8 @@ autoload -Uz add-zsh-hook
 # HISTORY SETTINGS
 
 # Use history and store it in ~/.zsh/history.
-HISTSIZE=5000
-SAVEHIST=5000
+HISTSIZE=50000
+SAVEHIST=50000
 HISTFILE=~/.zsh/history
 # Append to the history file instead of overwriting it and do it immediately
 # when a command is executed.
@@ -84,9 +89,33 @@ setopt appendhistory
 setopt incappendhistory
 # If the same command is run multiple times store it only once in the history.
 setopt histignoredups
-# Vim like completions of previous executed commands.
-bindkey "^P" history-beginning-search-backward
-bindkey "^N" history-beginning-search-forward
+# Vim like completions of previous executed commands (also enter Vi-mode). If
+# called at the beginning it just recalls old commands (like cursor up), if
+# called after typing something only likes starting with the typed are
+# returned. Very useful to get old commands quickly. Thanks to Mikachu in #zsh
+# on Freenode (2010-01-17 12:47) for the information how to a function with
+# bindkey.
+zle -N my-vi-history-beginning-search-backward
+my-vi-history-beginning-search-backward() {
+    local not_at_beginning_of_line
+    if [[ $CURSOR -ne 0 ]]; then
+        not_at_beginning_of_line=yes
+    fi
+
+    zle history-beginning-search-backward
+
+    # Start Vi-mode and stay at the same position (Vi-mode modes one left,
+    # this counters it).
+    zle vi-cmd-mode
+    if [[ -n $not_at_beginning_of_line ]]; then
+        zle vi-forward-char
+    fi
+}
+bindkey "^P" my-vi-history-beginning-search-backward
+bindkey -a "^P" history-beginning-search-backward # binding for Vi-mode
+# Here only Vi-mode is necessary as ^P enters Vi-mode and ^N only makes sense
+# after calling ^P.
+bindkey -a "^N" history-beginning-search-forward
 
 
 # PROMPT SETTINGS
@@ -237,12 +266,20 @@ if [[ $TERM == screen* || $TERM == xterm* || $TERM == rxvt* ]]; then
         [[ -z $window_reset ]] && return
 
         # Reset the window name to 'zsh'.
+        local name="zsh"
+        # If the function was called with an argument then reset the window
+        # name to '.zsh' (used by clear alias).
+        if [[ -n $1 ]]; then
+            name=".zsh"
+        fi
+
+        # Prepend prefixes like in window_preexec().
         if [[ -n $SSH_CONNECTION ]]; then
-            window_title "@zsh"
+            window_title "@$name"
         elif [[ -n $window_root ]]; then
-            window_title "!zsh"
+            window_title "!$name"
         else
-            window_title "zsh"
+            window_title $name
         fi
 
         # Just reset the name, so no screen reset necessary for the moment.
@@ -352,6 +389,7 @@ alias -g L='E | less'
 alias -g D='E | colordiff L'
 alias -g G='| grep'
 alias -g S='| sort'
+alias -g U='| uniq'
 
 # Make going up directories simple.
 alias -g ...='../..'
@@ -398,7 +436,7 @@ function ll() {
 # important. This helps me to remember which windows are empty (I run clear
 # after I finished my work in a window).
 if [[ -n $window_reset ]]; then
-    alias clear='clear; window_title .zsh'
+    alias clear='clear; window_reset=yes; window_precmd reset'
 fi
 
 # I sometimes confuse editor and shell, print a warning to prevent I exit the