Git hook to keep gh-pages branch up to date with master

gh-pages-creation.sh

# This needs to be executed once to create the "gh-pages" branch
git checkout --orphan gh-pages
git rm -rf .

# This is the part to adapt
FILE="site/index.html"
git checkout master -- $FILE
git mv $FILE index.html
git commit -am "First commit"

git checkout master

post-commit

#!/bin/sh
# .git/hooks/post-commit

# Check if the commit is done on master branch
if [ $(git rev-parse --abbrev-ref HEAD) = "master" ]; then
	git checkout gh-pages

	# Get new content from master to gh-pages
	# This is the part to adapt
	FILE="site/index.html"
	git checkout master -- $FILE
	git reset HEAD $FILE # Remove file from stage
	mv $FILE index.html
	git commit -am "Get content from master branch"

	git checkout master
fi