Deploys a Frog site to GitHub pages.

deploy-frog-to-gh-pages.sh

#!/usr/bin/env sh

# This script deploys a Frog site to GitHub pages.
# It should be run from the directory containing
# the .frogrc file.
# 
# It will determine the output directory from the 
# .frogrc file, and push it to the gh-pages branch.

set -ux

FROGRC_FILE=".frogrc"
TMP_DIR="/tmp/"

GIT_CMD="git"
MASTER_BRANCH="master"
GH_PAGES_BRANCH="gh-pages"

function get_output_dir() {
  sed -n 's/^output-dir\ =\ \(.*\)$/\1/p' $FROGRC_FILE
}

function gh-pages_branch_exists() {
  $GIT_CMD branch | grep -q $GH_PAGES_BRANCH
  echo $?
}

raco frog -b
output_dir="$(get_output_dir)"

cp -R $output_dir $TMP_DIR

gh-pages_branch_exists
if [ "$(gh-pages_branch_exists)" = "0" ]; then
  $GIT_CMD checkout $GH_PAGES_BRANCH
else
  $GIT_CMD checkout -b $GH_PAGES_BRANCH
fi

# Clean out the current directory, put everything in public here.
rm -rf *
mv $TMP_DIR$output_dir/* .

# Commit everything to GitHub pages
$GIT_CMD add .
$GIT_CMD commit -m "Deploying new site"
$GIT_CMD push --set-upstream origin $GH_PAGES_BRANCH

# Go back to master, clean out all the generated files
$GIT_CMD checkout master
$GIT_CMD clean -xf

# Cleanup tmp
rm -rf $TMP_DIR$output_dir