offremote

#!/bin/bash

# Parse arguments.
while getopts 'hn:f' argument
do
  case $argument in
    h)
      echo "usage: $0 [options] <url>"
      echo 'Set up git remote and branch pointing to AUR package repository.'
      echo ' -h         show this help text'
      echo ' -n <name>  branch and remote name instead of the repository name'
      echo ' -f         reconfigure an existing branch'
      exit ;;
    n) name="$OPTARG" ;;
    f) check=false ;;
    \?) exit 1 ;;
  esac
done

readonly url="${!OPTIND}"
if [ -z "$url" ]
then
  gettext -sd bash 'argument expected'
  exit 1
fi


# Prepare values.
readonly master="refs/heads/master"

if [ -z "$name" ]
then
  name=${url%/}
  name=${name##*/}
  name=${name%.git}
fi


# Reject reconfiguring an existing branch.
if $check && git rev-parse --verify --quiet "$name" > /dev/null
then
  printf "$(gettext -d git "A branch named '%s' already exists.")\n" \
    "$name" >&2
  exit 1
fi


# Set up remote.
git remote add -t master "$name" "$url" || exit $?

# Restrict parameterless pushes to the branch.
git config "remote.${name}.push" "refs/heads/$name:$master"

# Make branch track remote master.
git config "branch.${name}.remote" "$name"
git config "branch.${name}.merge" "$master"