dot.zshrc.from_grml

## Settings for umask
if (( EUID == 0 )); then
    umask 002
else
    umask 022
fi

# Virtualenv support

function virtual_env_prompt () {
    REPLY=${VIRTUAL_ENV+(${VIRTUAL_ENV:t}) }
}
grml_theme_add_token  virtual-env -f virtual_env_prompt '%F{magenta}' '%f'
zstyle ':prompt:grml:left:setup' items rc virtual-env change-root user at host path vcs percent

## ZLE tweaks ##

## use the vi navigation keys (hjkl) besides cursor keys in menu completion
bindkey -M menuselect 'h' vi-backward-char        # left
bindkey -M menuselect 'k' vi-up-line-or-history   # up
bindkey -M menuselect 'l' vi-forward-char         # right
bindkey -M menuselect 'j' vi-down-line-or-history # bottom

## set command prediction from history, see 'man 1 zshcontrib'
is4 && zrcautoload predict-on && \
zle -N predict-on         && \
zle -N predict-off        && \
bindkey "^X^Z" predict-on && \
bindkey "^Z" predict-off

# just type '...' to get '../..'
rationalise-dot() {
local MATCH
if [[ $LBUFFER =~ '(^|/| |      |'$'\n''|\||;|&)\.\.$' ]]; then
  LBUFFER+=/
  zle self-insert
  zle self-insert
else
  zle self-insert
fi
}
zle -N rationalise-dot
bindkey . rationalise-dot
## without this, typing a . aborts incremental history search
bindkey -M isearch . self-insert

## add `|' to output redirections in the history
setopt histallowclobber

## alert me if something failed
setopt printexitvalue

## Allow comments even in interactive shells
setopt interactivecomments

## get top 10 shell commands:
alias top10='print -l ${(o)history%% *} | uniq -c | sort -nr | head -n 10'

## miscellaneous code ##

## Use a default width of 80 for manpages for more convenient reading
export MANWIDTH=${MANWIDTH:-80}

## List all occurrences of programm in current PATH
plap() {
    emulate -L zsh
    if [[ $# = 0 ]] ; then
        echo "Usage:    $0 program"
        echo "Example:  $0 zsh"
        echo "Lists all occurrences of program in the current PATH."
    else
        ls -l ${^path}/*$1*(*N)
    fi
}