git-publish.sh

#!/bin/bash -e
PUBLIC_HTML="${HOME}/Sites"
PUBLIC_GIT="git"
REMOTE="public"
BRANCH="master"

function get_public_paths () {
  repo_name="$(basename "$top_level_dir").git"
  public_dir="${PUBLIC_HTML}/${PUBLIC_GIT}/${repo_name}"
  public_url="http://$(hostname)/~${USER}/${PUBLIC_GIT}/${repo_name}"
}

function get_top_level_dir () {
  if [ "$(git rev-parse --is-inside-work-tree 2>/dev/null)" == "true" ]; then
    top_level_dir="$(git rev-parse --show-toplevel)"
  else
    echo "This is not a directory managed by git"
    exit 1
  fi
}

# Takes the complete path of the public repo, including .git
function is_bare_repo () {
  pushd "$1" &>/dev/null
  if [ "$(git rev-parse --is-inside-git-dir 2>/dev/null)" == "true" ]; then
    if [ "$(git rev-parse --is-bare-repository 2>/dev/null)" == "true" ]; then
      popd &>/dev/null
      return 0
    fi
  fi
  popd &>/dev/null
  return 1
}

# Takes the complete path of the public repo, including .git
function create_public_repo () {
  mkdir -p "$1"
  pushd "$1" &>/dev/null
  git --bare init
  popd &>/dev/null
}

# Takes the complete path of the public repo, including .git
function push_to_public_repo () {
  until git remote add $REMOTE "$1"; do
    echo -n "Enter a new remote name: "
    read REMOTE
  done
  git push $REMOTE $BRANCH
}

# Takes the complete path of the public repo, including .git
function enable_http_sharing () {
  pushd "$1" &>/dev/null
  git --bare update-server-info
  # chmod a+x hooks/post-update
  popd &>/dev/null
}

function clean () {
  if [ was_unpublished ]; then
    rm -rf "$public_dir"
  fi
  exit 1
}

get_top_level_dir
get_public_paths

trap clean INT

if [ -d "$public_dir" ]; then
  if is_bare_repo "$public_dir"; then
    echo "Already published in $public_dir"
    echo "Public URL: $public_url"
  else
    echo "Directory $public_dir already exists but it's not a git bare repo"
  fi
else
  was_unpublished=1
  create_public_repo $public_dir
  push_to_public_repo $public_dir
  enable_http_sharing $public_dir
  echo "Public URL: $public_url"
fi