#
# ~/.bashrc
#

# If not running interactively, don't do anything
[[ $- != *i* ]] && return

alias ls='ls --color=auto'
PS1='[\u@\h \W]\$ '

# Generate new tags file
# ctags --list-kinds=c
#   --c-kinds=+px-d -> prototypes and external variable declarations to the default set of tag kinds, but exclude macros
# cscope
#  -b  -> build the cross-reference only, ie don't run CLI
#  -i- -> file list given on stdin
retags () {
    find . -regextype posix-awk -type f -regex ".*\.(h|c|cc|cpp)" | ctags -L- --extra=+f --c-kinds=+pxdm -f TAGS ;
    find . -regextype posix-awk -type f -regex ".*\.(h|c|cc|cpp)" | cscope -b -i- ;
}

# Support for setting the title of the terminal tab
function title() {
    unset PROMPT_COMMAND
    echo -ne "\033]0;$1\007"
}

function real_loc() {
    find $* \( \
        -name \*.d -o \
        -name \*.h -o -name \*.cxx -o -name \*.C -o \
        -name \*.c -o -name \*.cc -o -name \*.idl -o \
        -name \*.cpp -o -name \*.java -o -name \*.ipc -o \
        -name \*.hpp \
    \) \
    -print0 | xargs --null cat | grep -v "^$" | wc -l
}

function loc() {
    if [ $# -eq 0 ]; then
        real_loc "."
    else
        real_loc $*
    fi
}

# Output a copy of $1 with duplicates removed
# Note: subsequent copies are removed, otherwise order is preserved.
# 1. the path to remove duplicates from
function remove_duplicates() {
    local original="${1}"
    local IFS=':'
    local result=""
    for item in ${original}; do
        if [ -z "$item" ]; then
            continue
        fi
        local -i found_existing=0
        for existing in ${result}; do
            if [ "${item}" == "${existing}" ]; then
                found_existing=1
                break 1
            fi
        done
        if [ ${found_existing} -eq 0 ]; then
            result="${result:+${result}:}${item}"
        fi
    done
    echo "${result}"
}

# Support for local perl modules
export PERL_LOCAL_LIB_ROOT="${HOME}/local";
export PERL_MB_OPT="--install_base ${HOME}/local";
export PERL_MM_OPT="INSTALL_BASE=${HOME}/local";
export PERL5LIB="${HOME}/local/lib/perl5/x86_64-linux-gnu-thread-multi:${HOME}/local/lib/perl5";

# Support for local python modules
export PYTHONPATH="${HOME}/local/lib/python3.2/site-packages:/usr/lib/python3.2/site-packages"

# Support for local binaries
PATH=${HOME}/local/bin:${PATH}

# Support for dmd compiler
PATH="${HOME}/source/d/dmd/bin64:${PATH}"

export GREP_OPTIONS="--color"
export EDITOR="vim"
export PAGER="less"

alias cp="cp -i"
alias mv="mv -i"
alias grep='grep --color=auto'

HISTIGNORE="&:ls:[bf]g:exit"
HISTSIZE=10000
HISTFILESIZE=20000
HISTCONTROL=erasedups:ignorespace
shopt -s cmdhist
#shopt -s emacs
shopt -s histappend

# check the window size after each command and, if necessary,
# update the values of LINES and COLUMNS.
shopt -s checkwinsize

stty -ixon          # disable flow control so CTRL-s works in bash history

# https://bbs.archlinux.org/viewtopic.php?id=50885
#PS1='\[\e[1;35m\]\u\[\e[m\] \[\e[1;34m\]\W\[\e[m\] \[\e[1;31m\]> \[\e[0m\]'
PS1='\n\[\033[0;32m\]\u@\h \[\033[1;33m\]\w\n\[\033[0m\]> '
#PS1='\[\033[1;31m\]\W/\[\033[0m\] '
#PS1='[\[\033[1;36m\]\u\[\033[0m\]@\h \W]\$ '
#PS1='\[\e[0;36m\]\h\[\e[m\]-\[\e[0;37m\]\u\[\e[m\]\[\e[0;37m\] \w:\n> '

PS2='\\ '

#echo "some unicode: ? ? ? ? ? ? "
#echo "URL: http://slashdot.org/"