Pull Request from

gpr

#!/usr/bin/env bash

set -e

urlencode() {
    read
    local length="${#REPLY}"
    for (( i = 0; i < length; i++ )); do
        local c="${REPLY:i:1}"
        case $c in
            [a-zA-Z0-9.~_-]) printf "$c" ;;
            *) printf '%%%02X' "'$c"
        esac
    done
}

if [ $# == 0 ]; then
  current_branch=$(git rev-parse --abbrev-ref HEAD | urlencode )
  repo_url=$(git config remote.origin.url | sed -e 's/^git@\(.*\):\(.*\)$/git:\/\/\1\/\2/' | sed -e 's/^.*\/\/\(.*\).git$/\1/' | sed -e 's/\git@//')
  host=$(echo $repo_url | awk 'BEGIN { FS="/" } ; { print $1 }' | awk 'BEGIN { FS=":" }; { print $1 }')
  project=$(echo $repo_url | awk 'BEGIN { FS="/" } ; { print $2 }')
  repo=$(echo $repo_url | awk 'BEGIN { FS="/" } ; { print $3 }')

  # Launch GitHub pull request url.
  url="https://$repo_url/compare/master...$current_branch?expand=1#files_bucket"

  open $url

else
  current_branch=$(git rev-parse --abbrev-ref HEAD)
  if [ "$current_branch" == "pr/$1" ]; then
    git checkout master
  fi
  git fetch origin pull/$1/head:pr/$1
  git checkout pr/$1
fi