#!/bin/mksh
[ -z "$PS1" ] && return

# {{{ prompt
# {{{ is_scm_dir
is_scm_dir()
{
    if [ -d $2/.$1 ]; then
        return 0
    elif [ $2 == "/" ]; then
        return 1
    fi
    is_scm_dir $1 $(dirname $2)
    return $?
}
# }}}
# {{{ scm_branch
scm_branch()
{
    if is_scm_dir git $(pwd); then
        branch=$(git branch | grep -e '^\*' | cut -d ' ' -f 2)
        echo "(git)(${branch}) "
        return 0
    fi

    if is_scm_dir hg $(pwd); then
        branch=$(hg branch)
        echo "(hg)(${branch}) "
        return 0
    fi

    if is_scm_dir svn $(pwd); then
        branch=$(svn info | grep ^Rev | cut -d' ' -f2)
        echo "(svn)(${branch}) "
        return 0
    fi

    if is_scm_dir bzr $(pwd) ; then
        branch=$(bzr log | grep '^rev' | head -n1 | cut -d' ' -f2)
        echo "(bzr)(${branch}) "
        return 0
    fi
    return 1
}
# }}}
# {{{ neatpwd
function neatpwd {
    typeset d=${PWD:-?} n p=~;
    [[ $p = ?(*/) ]] || d=${d/#$p/~}
    (( ${#d} > (n = (COLUMNS/3 < 7 ? 7 : COLUMNS/3)) )) && {
        d=${d:(-n)};
        p=...;
    } || p=;
    print -nr -- "$p$d"
}
# }}}
# {{{ color
function color {
    echo -n "\e[$1;${2}m"
    shift 2
    echo "$@\e[00m"
}
# }}}
PS1='$(color 01 33 "(`date +%H:%M:%S`)") $(color 01 34 `neatpwd`) $(color 01 30 `scm_branch`)'
if (( USER_ID )); then
    PS1="$PS1$ "
else
    PS1="$PS1# "
fi
# }}}

# {{{ aliases
alias ls='ls --color=auto'
alias la='ls -a'
alias ll='ls -lh'

alias rm='rm -rf'
alias rcp='rsync -r --size-only --progress'
alias vi='vim'
alias less='less -r'
alias ..='cd ..'
alias cdrecord='cdrecord -verbose'
alias gently='nice -n 20 ionice -c 3'
# }}}

# {{{ history
export HISTSIZE=200000
export HISTFILE=~/.history
# }}}

# {{{ env vars
PATH=/usr/lib/ccache/bin:${HOME}/bin:${PATH}
PATH=${PATH}:/usr/sbin
export PATH=${PATH}:/usr/local/games:/sbin

export BROWSER=$HOME/bin/mimehandler
export EDITOR=vim

# export LC_ALL=de_DE.UTF-8
# export LC_CTYPE=de_DE.UTF-8
export LANG=de_DE.UTF-8

export DOOMWADDIR=~/.zdoom
export LUA_PATH="${HOME}/.lua/?.lua;$(strings /usr/lib/liblua.so | grep init.lua)"

export GOROOT=~/sourcecode/go
export GOBIN=~/bin
export GOOS=linux
export GOARCH=386

export GTK2_RC_FILES="/home/gregor/.gtkrc.mine"
export PKG_CONFIG_PATH="/usr/local/lib/pkgconfig"
# }}}

# {{{ window size change handler
function update_winsize {
    export COLUMNS=`stty -a | grep -oe 'columns [0-9]\+' | cut -d' ' -f2`
    export ROWS=`stty -a | grep -oe 'rows [0-9]\+' | cut -d' ' -f2`
}
trap update_winsize 28 # 28 is SIGWINCH
update_winsize
# }}}