bash_git

#############################################
# The place for all things bash/git
# Originally written by the venerable Estani
#############################################

#### GIT ####
$(hub --version >& /dev/null) && alias git=hub
alias gstat='git status'
alias gci='git commit'
alias gco='git checkout'
alias gls='git branch'
alias gitweb='git instaweb -d webrick'
alias gll="git log --graph --pretty=format:'%Cred%h%Creset -[%G?]%C(yellow)%d%Creset %s %Cgreen(%cD %cr) %C(bold blue)<%an>%Creset' --abbrev-commit --date=relative"

ginfo() {
    if [ -n "$(git symbolic-ref HEAD 2> /dev/null)" ]; then
        # print informations
        echo "git repo overview"
        echo "-----------------"
        echo

        # print all remotes and thier details
        for remote in $(git remote show); do
            echo $remote:
            git remote show $remote
            echo
        done

        # print status of working repo
        echo "status:"
        if [ -n "$(git status -s 2> /dev/null)" ]; then
            git status -s
        else
            echo "working directory is clean"
        fi

        # print at least 5 last log entries
        echo
        echo "log:"
        git log -5 --oneline
        echo
    else
        echo "you're currently not in a git repository"
    fi
}

#complex construct to have colors properly. I know...
#hash a string into an useful color
hash_color() {
    local val="$*"
    val="${val//\//_}"
    local color=$(($(cksum<<<"$*"|cut -f1 -d' ')%210+22))
    echo $color
}

#----------------------------------------------------
# OLDER __git functions... (no longer directly used)
#----------------------------------------------------

#__git_ps1() {
#    local b="$(git symbolic-ref HEAD 2>/dev/null)";
#    if [ -n "$b" ]; then
#        if [ -n "$1" ]; then
#            printf "$1" "${b##refs/heads/}";
#        else
#            printf " (%s)" "${b##refs/heads/}";
#        fi;
#    fi
#}

#distance to remote commit
__git_remote_dist() {
    local dist=$(git branch -v | sed -n 's/\* '$(git symbolic-ref HEAD | cut -d/ -f3)' [^[]*?\[\([^]]*\)\].*/\1/p' | sed 's/ahead /+/;s/behind /-/') 2>/dev/null || return
    [[ "$dist" ]] && echo "${dist}"
}

#is branch dirty?
GIT_THEME_PROMPT_DIRTY='*'
__parse_git_dirty() {
    #if [[ -n "$(git status --porcelain --ignore-submodules 2> /dev/null)" ]]; then
    if [[ -n "$(git diff --shortstat 2> /dev/null )" ]]; then
        echo -e "$GIT_THEME_PROMPT_DIRTY"
    else
        echo -e "$GIT_THEME_PROMPT_CLEAN"
    fi
}

__git_prompt_info() {
    ref=$(git symbolic-ref HEAD 2> /dev/null) || return;
    echo -e "$(__git_remote_dist)$(__parse_git_dirty)"
}