#! /bin/bash
# See https://github.com/GaryJones/wordpress-plugin-git-flow-svn-deploy for instructions and credits.

echo
echo "WordPress Plugin Git-Flow SVN Deploy v1.0.1-dev"
echo
echo "Step 1. Let's collect some information first."
echo
echo "Default values are in brackets - just hit enter to accept them."
echo

# Get some user input
# Can't use the -i flag for read, since that doesn't work for bash 3

default_pluginslug="DigiPass"
default_pluginslug_lovercase="digipass"

echo "1a) WordPress Repo Plugin Slug."
read -e -p "Plugin Slug ($default_pluginslug): " input
PLUGINSLUG="${input:-$default_pluginslug}"
echo

# Set up some default values. Feel free to change these in your own script
CURRENTDIR=`pwd`
default_svnpath="$CURRENTDIR/../$PLUGINSLUG-svn"
default_svnurl="http://plugins.svn.wordpress.org/$default_pluginslug_lovercase"
default_svnuser="labs64"
default_plugindir="$CURRENTDIR"
default_mainfile="$PLUGINSLUG.php"

echo "1b) Path to a local directory where a temporary SVN checkout can be made."
read -e -p "No trailing slash and don't add trunk ($default_svnpath): " input
SVNPATH="${input:-$default_svnpath}"
echo

echo "1c) Remote SVN repo on WordPress.org. No trailing slash."
read -e -p "($default_svnurl): " input
SVNURL="${input:-$default_svnurl}"
echo

read -e -p "1d) Your WordPress repo SVN username ($default_svnuser): " input
SVNUSER="${input:-$default_svnuser}"
echo

echo "1e) Your local plugin root directory, the Git repo."
read -e -p "($default_plugindir): " input
PLUGINDIR="${input:-$default_plugindir}"
echo

read -e -p "1f) Name of the main plugin file ($default_mainfile): " input
MAINFILE="${input:-$default_mainfile}"
echo

echo "That's all of the data collected."
echo
echo "Slug: $PLUGINSLUG"
echo "Temp checkout path: $SVNPATH"
echo "Remote SVN repo: $SVNURL"
echo "SVN username: $SVNUSER"
echo "Plugin directory: $PLUGINDIR"
echo "Main file: $MAINFILE"
echo

# git config
GITPATH="$PLUGINDIR/" # this file should be in the base of your git repository

# Let's begin...
echo ".........................................."
echo
echo "Preparing to deploy WordPress plugin"
echo
echo ".........................................."
echo

# Check if composer installed
if [ -f "composer.phar" ]
  then
	  echo "composer.phar found. Let's proceed...";
  else
		echo "composer.phar not found; please install composer (https://getcomposer.org). Exiting....";
		exit 1;
fi

# Check version in readme.txt is the same as plugin file after translating both to unix line breaks to work around grep's failure to identify mac line breaks
NEWVERSION1=`grep "^Stable tag:" $GITPATH/readme.txt | awk -F' ' '{print $NF}'`
echo "readme.txt version: $NEWVERSION1"
NEWVERSION2=`grep "Version:" $GITPATH/$MAINFILE | awk -F' ' '{print $NF}'`
echo "$MAINFILE version: $NEWVERSION2"

if [ "$NEWVERSION1" != "$NEWVERSION2" ]; then echo "Version in readme.txt & $MAINFILE don't match. Exiting...."; exit 1; fi

echo "Versions match in readme.txt and $MAINFILE. Let's proceed..."

# GaryJ: Ignore check for git tag, as git flow release finish creates this.
if git show-ref --tags --quiet --verify -- "refs/tags/$NEWVERSION1"
	then
		echo "Version $NEWVERSION1 already exists as git tag. Exiting....";
		exit 1;
	else
		echo "Git version $NEWVERSION1 does not exist. Let's proceed..."
fi

echo "Changing to $GITPATH"
cd $GITPATH
# GaryJ: Commit message variable not needed . Hard coded for SVN trunk commit for consistency.
echo -e "Enter a commit message for this new version (e.g. REL-$NEWVERSION1): \c"
read COMMITMSG
# GaryJ: git flow release finish already covers this commit.
git commit -am "$COMMITMSG"

# GaryJ: git flow release finish already covers this tag creation.
echo "Tagging new version in git"
git tag -a "$NEWVERSION1" -m "Tagging version $NEWVERSION1"

echo "Pushing git master to origin, with tags"
git push origin master
git push origin master --tags

echo
echo "Creating local copy of SVN repo ..."
svn checkout $SVNURL $SVNPATH

echo "Ignoring GitHub specific files"
svn propset svn:ignore "README.md
Thumbs.db
.git
.gitignore" "$SVNPATH/trunk/"

echo "Exporting the HEAD of master from git to the trunk of SVN"
git checkout-index -a -f --prefix=$SVNPATH/trunk/

# If submodule exist, recursively check out their indexes
if [ -f ".gitmodules" ]
	then
		echo "Exporting the HEAD of each submodule from git to the trunk of SVN"
		git submodule init
		git submodule update
		git submodule foreach --recursive 'git checkout-index -a -f --prefix=$SVNPATH/trunk/$path/'
fi

##### # Support for the /assets folder on the .org repo.
##### echo "Moving assets"
##### # Make the directory if it doesn't already exist
##### mkdir $SVNPATH/assets/
##### mv $SVNPATH/trunk/assets/* $SVNPATH/assets/
##### svn add $SVNPATH/assets/
##### svn delete $SVNPATH/trunk/assets

echo "Generating composer dependencies in trunk"
php composer.phar --working-dir=$SVNPATH/trunk/ update

echo "Changing directory to SVN and committing to trunk"
cd $SVNPATH/trunk/
# Delete all files that should not now be added.
svn status | grep -v "^.[ \t]*\..*" | grep "^\!" | awk '{print $2}' | xargs svn del
# Add all new files that are not set to be ignored
svn status | grep -v "^.[ \t]*\..*" | grep "^?" | awk '{print $2}' | xargs svn add
svn commit --username=$SVNUSER -m "Preparing for $NEWVERSION1 release"

##### echo "Updating WordPress plugin repo assets and committing"
##### cd $SVNPATH/assets/
##### # Add all new files that are not set to be ignored
##### svn status | grep -v "^.[ \t]*\..*" | grep "^\!" | awk '{print $2}' | xargs svn del
##### # Add all new files that are not set to be ignored
##### svn status | grep -v "^.[ \t]*\..*" | grep "^?" | awk '{print $2}' | xargs svn add
##### svn commit --username=$SVNUSER -m "Updating assets"

echo "Creating new SVN tag and committing it"
cd $SVNPATH
svn copy trunk/ tags/$NEWVERSION1/
cd $SVNPATH/tags/$NEWVERSION1
svn commit --username=$SVNUSER -m "REL-$NEWVERSION1"

##### echo "Removing temporary directory $SVNPATH"
cd $SVNPATH
cd ..
##### rm -fr $SVNPATH/

echo "*** FIN ***"