# bashrc
#
# Copyright (c) 1997 - 2011 Benjamin Schweizer.
#
#
# Abstract
# ~~~~~~~~
# bashrc profile for Linux/FreeBSD/OSX/Solaris
#
# Authors
# ~~~~~~~
# Benjamin Schweizer, http://benjamin-schweizer.de/contact
#
# Changes
# ~~~~~~~
# $Log: .bashrc,v $
# Revision 1.19  2011/04/20 19:15:45  gopher
# added comments
#
# Revision 1.18  2011/04/20 19:00:05  gopher
# fixed comment
#
# Revision 1.17  2011/04/20 18:51:13  gopher
# fixed emph again
#
# Revision 1.16  2011/04/20 08:17:18  gopher
# more history tweaks
#
# Revision 1.15  2011/04/18 11:55:55  gopher
# fixed emph
#
# Revision 1.14  2011/04/18 08:59:44  gopher
# updated history
#
# Revision 1.13  2011/04/18 08:59:00  gopher
# tools: emph
#
# Revision 1.12  2011/02/17 08:29:17  gopher
# copy
#
# Revision 1.11  2011/02/10 18:01:36  gopher
# fixed shell vars
#
# Revision 1.10  2011/01/28 10:00:51  gopher
# fixed env+shell vars for less
#
# Revision 1.9  2010/12/14 09:18:03  gopher
# fixed term
#
# Revision 1.8  2010/12/13 16:38:21  gopher
# reverted prompt
#
# Revision 1.7  2010/12/13 13:20:34  gopher
# changed prompt
#
# Revision 1.6  2010/11/23 07:41:32  gopher
# fixed term
#
# Revision 1.5  2010/11/23 07:36:35  gopher
# debug
#
# Revision 1.4  2010/11/22 18:34:16  gopher
# fixed locales
#
# Revision 1.3  2010/11/22 18:26:11  gopher
# major cleanups
#
# Revision 1.2  2010/11/22 17:21:07  gopher
# cleanup1
#
# Todo
# ~~~~
# - we'll see
# 

# setup umask
test "$USER" = "root" && umask 0022 || umask 0077

# prepend user local paths
test -d ~/bin && PATH=~/bin:"${PATH}"
test -d ~/man && MANPATH=~/man:"${MANPATH}"

# leave here if this is not an interactive shell
test -z "$PS1" && return


# optimize termcap:
# osx10.4 lacks -256color variants
# rhel5 has no screen-256color
# solaris10 has no xterm-color
# but screen handles -256color variant
case "${TERM}" in
    xterm-256color)
        tput -Txterm-256color longname > /dev/null 2>&1 || TERM="xterm-color"
        tput -Txterm-color longname > /dev/null 2>&1 || TERM="xterm"
        ;;
    xterm-color)
        tput -Txterm-color longname > /dev/null 2>&1 || TERM="xterm"
        ;;
    xterm)
        ;;
    screen-256color)
        tput -Tscreen-256color longname > /dev/null 2>&1 || TERM="screen"
        ;;
    screen)
        tput -Tscreen-256color longname > /dev/null 2>&1 && TERM="screen-256color"
        ;;
    vt100)
        # sunos: upgrade vt100 to xterm
        test "`uname -s`" = "SunOS" && TERM="xterm"
        ;;
    linux)
        # pass
        ;;
    *)
        echo "found freaky terminal '$TERM'"
        ;;
esac

# check window size on each prompt
shopt -s checkwinsize

# set window title in xterm/Eterm
PROMPT_COMMAND='printf "\e]0;${USER}@${HOSTNAME%%.*}:${PWD/#$HOME/~}\a"'

# enable terminal colors
case "${TERM}" in
    xterm*|Eterm|screen*|linux|cons25)
        # prompt: hash the hostname and give it a color
        HOSTCOLOR=$(( 1$(hostname | cksum | sed -e "s/[^0-9]//g") % 6 + 31 ))
        if [ "$USER" = "root" ]; then
            PS1="\A \[\e[0;31m\]\u\[\e[0m\]@\[\e[${HOSTCOLOR}m\]\h\[\e[0m\]:\w# "
        else
            PS1="\A \[\e[0;32m\]\u\[\e[0m\]@\[\e[${HOSTCOLOR}m\]\h\[\e[0m\]:\w\$ "
        fi
        PS2="> "
        PS4="+ "

        # more colors
        case "`uname -s`" in
            Linux)
                # GNU; not Busybox
                which dircolors > /dev/null && {
                    eval `dircolors -b`
                    alias ls='ls --color=auto'
                }
                alias 'grep'='grep --color'
                ;;
            Darwin|FreeBSD)
                # BSD
                # from some mac-forums.com posting
                LSCOLORS='gxfxcxdxbxegedabagacad'
                CLICOLOR=true
                alias 'grep'='grep --color'
                ;;
            SunOS)
                alias 'grep'='ggrep --color'
        esac
        ;;
    *)
        # older and dumb terminals
        if [ "$USER" = "root" ]; then
            PS1="\A \u@\h:\w\# "
        else
            PS1="\A \u@\h:\w\$ "
        fi
        PS2="> "
        PS4="+ "
        ;;
esac

# timestamps in history
HISTTIMEFORMAT='%Y-%m-%d %H:%M:%S: '
HISTSIZE=32768
PROMPT_COMMAND="history -a; $PROMPT_COMMAND"

# safety checks
alias rm='rm -i'
alias cp='cp -i'
alias mv='mv -i'
alias '..'='cd ..'

# pager et al
stat "`which vim`" > /dev/null 2>&1 && alias vi="vim"
stat "`which less`" > /dev/null 2>&1 && export PAGER="less"
export LESS='-S'
export EDITOR="vi"

# ll
case "`uname -s`" in
    Darwin)
        #alias 'll'='ls -laeo@'
        alias 'll'='ls -laeo'
        ;;
    FreeBSD)
        alias 'll'='ls -lao'
        ;;
    *)
        alias 'll'='ls -la'
        ;;
esac

# locale
LANG=POSIX
locale -a | grep "en_GB.UTF-8" > /dev/null && LANG="en_GB.UTF-8" # sunos
locale -a | grep "en_US.UTF-8" > /dev/null && LANG="en_US.UTF-8" # osx
locale -a | grep "en_US.utf8" > /dev/null && LANG="en_US.utf8"   # debian
LC_ALL=$LANG

# tools
function emph {
    # beware of case sensitiveness, this is broken in gnu grep 2.5.1
    grep --color -E "|$1"
}

# last, allow local overwrites
test  -f ~/.bash_local && source ~/.bash_local

# eof.