#!/usr/bin/env bash

# WARNING: This script assumes you are using GitLab for everything and
# only work on the master branch.

# The init function creates and initializes a git repo and then pushes it
# as a private project to GitLab (without needing to first create it on
# GitLab)

init () {
  declare repo y
  read -p "Not a git repo. Create? " y
  if [[ $y =~ ^[yY] ]]; then
      touch README.md
      read -p "GitLab path (<id>/<proj>): " repo
      if [[ -z "$repo" ]]; then
        return init
      fi
      git init
      git remote add origin "git@gitlab.com:$repo.git"
      git add .
      git commit  -m initial
      git push -u origin master
  fi
  return 0
}

check-for-git () {
  declare user=$(git config user.name);
  if [[ -z "$user" ]]; then
    echo "Git doesn't look configured yet. Try:"
    echo "  git config -g user.name <name>"
    echo "  git config -g user.email <email>"
    return 1
  fi
  return 0
}

in-repo ()  {
 git rev-parse --count HEAD > /dev/null 2>&1
 return $?
}

has-local-changes () {
  test -n "$(git status --porcelain)"
  return $?
}

gitsave () {
  git pull
  git add -A .
  if [ ! -z "$*" ]; then
    git commit  -a -m "$*"
  elif [ -e /tmp/commitmsg ]; then
    git commit  -a -F /tmp/commitmsg
    mv /tmp/commitmsg /tmp/commitmsg.$(date +%s)
  else
    git commit  -a -m "wip"
  fi
  git push -u origin master
}

main () { 
  check-for-git || exit 1
  if ! in-repo; then
    init
    return 0
  fi;
  if ! has-local-changes; then
    echo Already at the latest.
    return 0
  fi;
  gitsave "$@"
  return $?
}

main $*