wordpress-update.sh

#!/bin/bash

function clean_dir() {
	files_to_remove=`ls | grep -v 'composer\.json'`
	if [[ "$files_to_remove" ]]; then
		rm -r $files_to_remove > /dev/null 2>&1
	fi
}

LOCK_FILE='/tmp/updating_wordpress'
if [ -e $LOCK_FILE ]; then
	howold=$(($(date +%s) - $(stat -c %Y /tmp/updating_wordpress)))
	if [ $howold -lt 2101 ]; then
		exit 0
	fi
	kill -15 $(cat $LOCK_FILE)
	rm $LOCK_FILE
fi

echo $$ > $LOCK_FILE

if [ $# -gt 0 ]; then
	WP_DIR="$1"
else
	WP_DIR='/home/johnpbloch/WP2'
fi

cd $WP_DIR;

# Get all WP Branches
WP_BRANCHES=`curl http://core.svn.wordpress.org/branches/ 2>/dev/null | sed -r 's/.+>([0-9]+(\.[0-9]+)+)\/<.+/\1/;tx;d;:x' | sort -V`
# Get all WP Tags
WP_TAGS=`curl http://core.svn.wordpress.org/tags/ 2>/dev/null | sed -r 's/.+>([0-9]+(\.[0-9]+)+)\/<.+/\1/;tx;d;:x' | sort -V`
# Get all local branches
BRANCHES=`git branch | sed -r 's/.* ([a-zA-Z0-9\.\-\_\/]+).*/\1/' | sort -V`
# Get all local tags
TAGS=`git tag | sort -V`

STARTING_POINT='e653290b75a52096497a85fefd444f647590c06c'

for branch in $WP_BRANCHES; do
	if [[ ! `echo "$BRANCHES" | grep -P "^$branch$"` ]]; then
		git branch $branch $STARTING_POINT > /dev/null 2>&1
	fi
	git checkout $branch > /dev/null 2>&1
	branch_tags=`echo "$WP_TAGS" | grep -P "^$branch"` 
	for tag in $branch_tags; do
		if [[ ! `echo "$TAGS" | grep -P "^$tag$"` ]]; then
			clean_dir
			svn export --force --ignore-externals "http://core.svn.wordpress.org/tags/$tag/" . > /dev/null 2>&1
			git add -A . > /dev/null 2>&1
			git commit -m "Importing version $tag" > /dev/null 2>&1
			git tag "$tag" > /dev/null 2>&1
		fi
	done
	clean_dir
	svn export --force --ignore-externals "http://core.svn.wordpress.org/branches/$branch/" . > /dev/null 2>&1
	git add -A . > /dev/null 2>&1
	git commit -m "Updating $branch branch head" > /dev/null 2>&1
done

git checkout master > /dev/null 2>&1
clean_dir
svn export --force --ignore-externals "http://core.svn.wordpress.org/trunk/" . > /dev/null 2>&1
git add -A . #> /dev/null 2>&1
git commit -m "Update trunk" > /dev/null 2>&1

git push > /dev/null 2>&1
git push --tags > /dev/null 2>&1

rm $LOCK_FILE