vdotfiles/bashplugins

vscripts="${HOME}/vscripts"
[[ -d ${vscripts} && ${PATH} != *${vscripts}* ]] && export PATH=${PATH}:${vscripts}

completion_path='/usr/share/bash-completion/bash_completion'
[[ -r "${completion_path}" ]] && . "${completion_path}"

# because fuck you thats' why
fuck() { echo 'no, fuck you'; }

# some cool git stuff
gdiff() { /usr/bin/git diff --color "$@"; }

gdf()
{
    local fancydiff='/usr/bin/diff-so-fancy'
    local githighlight='/usr/share/git/diff-highlight/diff-highlight'
    if [[ -x ${fancydiff} ]]; then
        gdiff "$@" | ${fancydiff} | less --tabs=4 -RSFX
    elif [[ -x ${githighlight} ]]; then
        gdiff "$@" | ${githighlight} | less --tabs=4 -RSFX
    else
        gdiff "$@"
    fi
}

git_prompt()
{
    # FIXME:
    # upon the first traverse into the git repository, we always get staged
    # count instead of unstaged, that is weird
    prompt_command
    if ! raw_status="$(git status --porcelain -bu 2>/dev/null)"; then
        return
    fi
    git_status=''
    staged_count=0
    unstaged_count=0
    untracked_count=0
    unmerged_count=0

    while read line; do
        if [[ "${line:0:2}" == '##' ]]; then
            read branch_info <<< "${line:3}"
        fi
        [[ "${line:0:2}" =~ .[MD] ]] && (( unstaged_count++ ))
        [[ "${line:0:2}" =~ [MDARC]. ]] && (( staged_count++ ))
        [[ "${line:0:2}" == '??' ]] && (( untracked_count++ ))
        [[ "${line:0:2}" =~ (U[ADU]|A[AU]|D[DU]) ]] && (( unmerged_count++ ))
    done <<< "${raw_status}"

    (( $unstaged_count > 0 )) && git_status+="${pmagenta}~${unstaged_count}"
    (( $staged_count > 0 )) && git_status+="${pyellow}+${staged_count}"
    (( $untracked_count > 0 )) && git_status+="${pcyan}?${untracked_count}"
    (( $unmerged_count > 0 )) && git_status+="${pred}!${unmerged_count}"
    [[ -z "${git_status}" ]] && git_status='.'

    full_status="{ ${pblue}${branch_info}${preset} | ${git_status}${preset} }"
    IFS="$ifs_temp"
    PS1="${ps_line1} ${full_status}\n${ps_line2}"
}

gitmode()
{
    if [[ -n "${OLD_PROMPT}" ]]; then
        PROMPT_COMMAND=${OLD_PROMPT}
        unset OLD_PROMPT
    else
        OLD_PROMPT=${PROMPT_COMMAND}
        PROMPT_COMMAND=git_prompt
    fi
}