bash prompt

# ~/.bashrc: executed by bash(1) for non-login shells.
# see /usr/share/doc/bash/examples/startup-files (in the package bash-doc)
# for examples

# If not running interactively, don't do anything
[ -z "$PS1" ] && return

# don't put duplicate lines in the history. See bash(1) for more options
# ... or force ignoredups and ignorespace
HISTCONTROL=ignoredups:ignorespace

# append to the history file, don't overwrite it
shopt -s histappend

# for setting history length see HISTSIZE and HISTFILESIZE in bash(1)
HISTSIZE=1000
HISTFILESIZE=2000

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

# make less more friendly for non-text input files, see lesspipe(1)
[ -x /usr/bin/lesspipe ] && eval "$(SHELL=/bin/sh lesspipe)"

# set variable identifying the chroot you work in (used in the prompt below)
if [ -z "$debian_chroot" ] && [ -r /etc/debian_chroot ]; then
    debian_chroot=$(cat /etc/debian_chroot)
fi

# set a fancy prompt (non-color, unless we know we "want" color)
case "$TERM" in
    xterm-color) color_prompt=yes;;
esac

# uncomment for a colored prompt, if the terminal has the capability; turned
# off by default to not distract the user: the focus in a terminal window
# should be on the output of commands, not on the prompt
force_color_prompt=yes

if [ -n "$force_color_prompt" ]; then
    if [ -x /usr/bin/tput ] && tput setaf 1 >&/dev/null; then
    # We have color support; assume it's compliant with Ecma-48
    # (ISO/IEC-6429). (Lack of such support is extremely rare, and such
    # a case would tend to support setf rather than setaf.)
    color_prompt=yes
    else
    color_prompt=
    fi
fi

if [ "$color_prompt" = yes ]; then
    PS1='${debian_chroot:+($debian_chroot)}\[\033[01;32m\]\u@\h\[\033[00m\]:\[\033[01;34m\]\w\[\033[00m\]\$ '
else
    PS1='${debian_chroot:+($debian_chroot)}\u@\h:\w\$ '
fi
unset color_prompt force_color_prompt

# If this is an xterm set the title to user@host:dir
case "$TERM" in
xterm*|rxvt*)
    PS1="\[\e]0;${debian_chroot:+($debian_chroot)}\u@\h: \w\a\]$PS1"
    ;;
*)
    ;;
esac

# enable color support of ls and also add handy aliases
if [ -x /usr/bin/dircolors ]; then
    test -r ~/.dircolors && eval "$(dircolors -b ~/.dircolors)" || eval "$(dircolors -b)"
    alias ls='ls --color=auto'
    #alias dir='dir --color=auto'
    #alias vdir='vdir --color=auto'

    alias grep='grep --color=auto'
    alias fgrep='fgrep --color=auto'
    alias egrep='egrep --color=auto'
fi

# some more ls aliases
alias ll='ls -alF'
alias la='ls -A'
alias l='ls -CF'

# Add an "alert" alias for long running commands.  Use like so:
#   sleep 10; alert
alias alert='notify-send --urgency=low -i "$([ $? = 0 ] && echo terminal || echo error)" "$(history|tail -n1|sed -e '\''s/^\s*[0-9]\+\s*//;s/[;&|]\s*alert$//'\'')"'

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.
# See /usr/share/doc/bash-doc/examples in the bash-doc package.

if [ -f ~/.bash_aliases ]; then
    . ~/.bash_aliases
fi

# enable programmable completion features (you don't need to enable
# this, if it's already enabled in /etc/bash.bashrc and /etc/profile
# sources /etc/bash.bashrc).
if [ -f /etc/bash_completion ] && ! shopt -oq posix; then
    . /etc/bash_completion
fi

###############x

# This code was auto generated by with these options:
# http://andrewray.me/bash-prompt-builder/index.html#git=1&color-git=3&git-prefix=1&color-git-prefix=3&git-ahead=1&color-git-ahead=6b&git-modified=1&color-git-modified=3&git-conflicted=1&color-git-conflicted=1&git-revno=1&color-git-revno=3&color-git-bisect=5&option-submodule=1&color-option-submodule=5&git-ontag=1&color-git-ontag=3&color-hg=5&color-hg-prefix=5&color-hg-modified=5&color-hg-conflicted=1&color-hg-revno=5&color-hg-bisect=3&color-hg-patches=3&svn=1&color-svn=2b&svn-modified=1&color-svn-modified=3b&svn-revno=1&color-svn-revno=Well%2C%20we're%20fucked&option-modified=%E2%9C%8E&option-conflict=%E2%98%A2&color-option-conflict=3&max-conflicted-files=0&option-nobranch=no%20branch!&color-option-nobranch=1&bisecting-text=bisecting&submodule-text=%5Bsubmodule%5D%20

MAX_CONFLICTED_FILES=0
DELTA_CHAR="✎"
CONFLICT_CHAR="☢"
BISECTING_TEXT="bisecting"
NOBRANCH_TEXT="no branch!"
SUBMODULE_TEXT="[submodule] "

# Colors for prompt
COLOR_RED=$(tput sgr0 && tput setaf 1)
COLOR_GREEN=$(tput sgr0 && tput setaf 2)
COLOR_YELLOW=$(tput sgr0 && tput setaf 3)
COLOR_BLUE=$(tput sgr0 && tput setaf 4)
COLOR_MAGENTA=$(tput sgr0 && tput setaf 5)
COLOR_CYAN=$(tput sgr0 && tput setaf 6)
COLOR_GRAY=$(tput sgr0 && tput setaf 7)
COLOR_WHITE=$(tput sgr0 && tput setaf 7 && tput bold)
COLOR_LIGHTRED=$(tput sgr0 && tput setaf 1 && tput bold)
COLOR_LIGHTGREEN=$(tput sgr0 && tput setaf 2 && tput bold)
COLOR_LIGHTYELLOW=$(tput sgr0 && tput setaf 3 && tput bold)
COLOR_LIGHTBLUE=$(tput sgr0 && tput setaf 4 && tput bold)
COLOR_LIGHTMAGENTA=$(tput sgr0 && tput setaf 5 && tput bold)
COLOR_LIGHTCYAN=$(tput sgr0 && tput setaf 6 && tput bold)

COLOR_RESET=$(tput sgr0)


_svn_dir=""
function _svn_check {
    parent=""
    grandparent="."

    while [ -d "$grandparent/.svn" ]; do
        parent=$grandparent
        grandparent="$parent/.."
    done

    if [ ! -z "$parent" ]; then
        _svn_dir=`cd $parent; pwd`
        return 0
    else
        return 1
    fi
}

_git_dir=""
function _git_check {
    _git_dir=`git rev-parse --show-toplevel 2> /dev/null`
    if [[ "$_git_dir" == "" ]]; then
        return 1
    else
        return 0
    fi
}

function is_submodule() {
    local parent_git=`cd "$_git_dir/.." && git rev-parse --show-toplevel 2> /dev/null`
    if [[ -n $parent_git ]]; then
        local submodules=`cd $parent_git && git submodule --quiet foreach 'echo $path'`
        for line in $submodules; do
            cd "$parent_git/$line"
            if [[ `pwd` = $_git_dir ]]; then return 0; fi
        done
    fi
    return 1
}

dvcs_function="
    # Figure out what repo we are in
    _git_check \
        || _svn_check

    # Build the prompt!
    prompt=\"\"

    # If we are in git ...
    if [ -n \"\$_git_dir\" ]; then
        # find current branch
        gitBranch=\$(git symbolic-ref HEAD 2> /dev/null)
        gitStatus=\`git status\`

        # Figure out current branch, or if we are bisecting, or lost in space
        bisecting=\"\"
        noBranch=\"\"
        if [ -z \"\$gitBranch\" ]; then
            bisect=\$(git rev-list --bisect 2> /dev/null | cut -c1-7)
            if [ -z \"\$bisect\" ]; then
            noBranch=True
            gitBranch=\"\\[\$COLOR_LIGHTRED\\]\$NOBRANCH_TEXT\\[\$COLOR_YELLOW\\]\"
        else
            bisecting=\"\\[\$COLOR_LIGHTGREEN\\]\$BISECTING_TEXT:\"\$bisect\"\\[\$COLOR_YELLOW\\]\"
            gitBranch=\"\"
        fi
        fi

        # changed *tracked* files in local directory?
        gitChange=\$(echo \$gitStatus | ack-grep 'modified:|deleted:|new file:')
        if [ -n \"\$gitChange\" ]; then
            gitChange=\"\\[\$COLOR_LIGHTYELLOW\\] \\[`tput sc`\\]  \\[`tput rc`\\]\\[\$DELTA_CHAR\\]\"
        fi

        # output the branch and changed character if present
        prompt=\$prompt\"\\[\$COLOR_YELLOW\\](\"

        if is_submodule; then
            prompt=\$prompt\"\\[\$COLOR_MAGENTA\\]\$SUBMODULE_TEXT\\[\$COLOR_YELLOW\\]\"
        fi

        prefix=\"\\[\$COLOR_LIGHTYELLOW\\]git:\\[\$COLOR_YELLOW\\]\"
        prompt=\$prompt\$prefix\${gitBranch#refs/heads/}\$bisecting
        revNo=\$(git rev-parse HEAD 2> /dev/null | cut -c1-7) || return

        # If bisecting don't output revno
        if [ -z \"\$bisecting\" ] && [ -z \"\$noBranch\" ];then
            prompt=\$prompt\":\$revNo\"
        fi
        tag=\`git describe --tags --exact 2> /dev/null\`
        if [ -n \"\$tag\" ]; then
            prompt=\"\$prompt\\[\$COLOR_YELLOW\\] \\\"\$tag\\\"\\[\$COLOR_YELLOW\\]\"
        fi
        prompt=\$prompt\"\$gitChange\\[\$COLOR_YELLOW\\])\\[\$COLOR_RESET\\]\"

        # How many local commits do you have ahead of origin?
        num=\$(echo \$gitStatus | grep \"Your branch is ahead of\" | awk '{split(\$0,a,\" \"); print a[13];}') || return
        if [ -n \"\$num\" ]; then
            prompt=\$prompt\"\\[\$COLOR_WHITE\\] +\$num\"
        fi

        # any conflicts? (sed madness is to remove line breaks)
        files=\$(git ls-files -u | cut -f 2 | sort -u | sed '$(($MAX_CONFLICTED_FILES+1)),1000d' |  sed -e :a -e '\$!N;s/\\\n/, /;ta' -e 'P;D')
    fi

    # If we are in subversion ...
    if [ -n \"\$_svn_dir\" ]; then

        # changed files in local directory? NOTE: This command is the slowest of the bunch
        svnChange=\$(svn status | ack-grep \"^\[M!\]\" | wc -l)
        if [[ \"\$svnChange\" != \"       0\" ]]; then
            svnChange=\"\\[\$COLOR_LIGHTYELLOW\\]\\[`tput sc`\\]\\[`tput rc`\\]\\[\$DELTA_CHAR\\]\"
        else
            svnChange=\"\"
        fi

        # revision number (instead of branch name, silly svn)
        revNo=\`svnversion --no-newline\`
        prompt=\$prompt\"\\[\$COLOR_LIGHTGREEN\\](svn\"
        prompt=\$prompt\"\\[\$COLOR_GRAY\\]:\$revNo\\[\$COLOR_LIGHTGREEN\\] \$svnChange)\\[\$COLOR_RESET\\]\"
    fi

    # Show conflicted files if any
    if [ -n \"\$files\" ]; then
        prompt=\$prompt\" \\[\$COLOR_RED\\](\\[\$COLOR_YELLOW\\]\"
        prompt=\$prompt\"\\[`tput sc`\\]  \\[`tput rc`\\]\\[\$COLOR_YELLOW\\]\\[\$CONFLICT_CHAR\\] \"
        prompt=\$prompt\"\\[\$COLOR_RED\\] \${files})\"
    fi

    if [ -n \"\$prompt\" ]; then
        prompt=\$prompt\"\$ \\[\$COLOR_RESET\\]\"
    fi

    echo -e \$prompt"
# End code auto generated by http://andrewray.me/bash-prompt-builder/index.html

PS1="$PS1\$(${dvcs_function})"