git-quick-pr

#!/bin/bash
# GistID: c192066bae728441971b8fea893337b1

die() {
  local CODE=$1
  shift
  echo "$*" >&2
  exit $CODE
}

if [[ -z $1 || $1 == "-h" || $1 == "--help" ]]; then
  die 0 "Usage: git quick-pr BRANCH_NAME [OPTIONS]"
fi

if ! git status --porcelain | grep "^[MADRCU]" > /dev/null 2>&1; then
  die 0 "Nothing staged."
fi

BRANCH=$1
shift

if [[ $1 == "-b" ]]; then
  ROOT=$2
  shift
  shift
else
  ROOT=master
fi

git commit "$@" || die 127 "git commit failed"

if git status --porcelain | grep "^??" > /dev/null 2>&1; then
  git stash || die 127 "git stash failed"
  is_stashed=1
fi

git branch $BRANCH || die 127 "git branch failed"
git reset --hard HEAD^ || die 127 "git reset failed"
git checkout $BRANCH || die 127 "git checkout failed"

git push -u origin HEAD || die 127 "git push failed"
hub pull-request -b $ROOT || die 127 "hub pull-request failed"

git checkout - || die 127 "git checkout - failed"

if [[ $is_stashed == 1 ]]; then
  git stash pop || die 127 "git stash pop failed"
fi