gt

#! /bin/bash 

cur_branch() {
    echo $(git branch | sed -n '/\*/p' | awk '{print $2}')
}

# example:
# confirm && hg push ssh://..
# confirm "Would you really like to do a push?" && hg push ssh://..
confirm () {
    # call with a prompt string or use a default
    read -r -p "${1:-Are you sure? [y/N]} " response
    case $response in
        [yY][eE][sS]|[yY]) 
            true
            ;;
        *)
            false
            ;;
    esac
}

help() {
    echo -e "example: gitutils [-s] [-a] [-l] [-h] [-c] [-b branch] [-r repository] [-m commit message]"
    echo -e "           \t\t -s  git push current branch"
    echo -e "           \t\t -l  git pull current branch"
    echo -e "           \t\t -a  git add -A | git commit | git push, for current branch to all repositories"
    echo -e "           \t\t -c  only operate on origin repository, as of now, only affects -a option"
    echo -e "           \t\t -r  repository, not mandatory, provides repository"
    echo -e "           \t\t -b  branch, not mandatory, provides branch"
    echo -e "           \t\t -m  commit repository, not mandatory, replace boilerplate commit message"
    echo -e "           \t\t -h  command help"
}

## $1: repository, default to origin
## $2: branch,  default to current branch
push_yeah() {
    local rep=${1:-origin}
    local branch=${2:-$(cur_branch)}
    cmd="git push $rep $branch"
    confirm "about to run [$cmd]" && eval "$cmd"
}

## $1: repository, default to origin
## $2: branch,  default to current branch
pull_yeah() {
    local rep=${1:-origin}
    local branch=${2:-$(cur_branch)}
    cmd="git pull $rep $branch"
    confirm "about to run [$cmd]" && eval "$cmd"
}

all_yeah() {
    local cmd="git add -A"
    echo "about to run [$cmd]"
    eval "$cmd"
    commit_msg=${commit_msg:-$boilerplate}
    cmd="git commit -m '$commit_msg'"
    echo "about to run [$cmd]"
    eval "$cmd"
    local branch=$(cur_branch)
    if [[ -z $cur_flag  ]]; then
        echo -e "$(git remote)" | while read rep 
        do
            cmd="git push $rep $branch"
            echo "about to run [$cmd]"
            eval "$cmd"
        done
    else
        rep='origin'
        cmd="git push $rep $branch"
        echo "about to run [$cmd]"
        eval "$cmd"
    fi
}

# set -x

if [[ -z "$@" ]]; then
    help
fi

while getopts ":sSlLaAcChHm:M:r:R:b:B:" opt
   do
     case $opt in
        [sS] ) push_flag='Y'
            ;;
        [lL] ) pull_flag='Y' 
            ;;
        [aA] ) all_flag='Y';;
        [cC] ) cur_flag='Y';;
        [hH] ) help;;
        [bB] ) branch=$OPTARG;;
        [rR] ) repo=$OPTARG;;
        [mM] ) commit_msg="$OPTARG";;
        [rR] ) repo=$OPTARG;;
        * ) help;;
     esac
done

repo=${repo:-origin}
branch=${branch:-$(cur_branch)}
boilerplate='progressing'

if [[ -n $pull_flag ]]; then
    pull_yeah $repo $branch
fi

if [[ -n $push_flag ]]; then
    push_yeah $repo $branch
fi

if [[ -n $all_flag ]]; then
    all_yeah
fi