entrypoint.sh

#!/bin/bash

# Note that this does not use pipefail
# because if the grep later doesn't match any deleted files,
# which is likely the majority case,
# it does not exit with a 0, and I only care about the final exit.
set -eo

# Ensure SVN username and password are set
# IMPORTANT: secrets are accessible by anyone with write access to the repository!
if [[ -z "$WORDPRESS_USERNAME" ]]; then
    echo "Set the WORDPRESS_USERNAME secret"
    exit 1
fi

if [[ -z "$WORDPRESS_PASSWORD" ]]; then
    echo "Set the WORDPRESS_PASSWORD secret"
    exit 1
fi

# Allow some ENV variables to be customized
if [[ -z "$SLUG" ]]; then
    SLUG=${GITHUB_REPOSITORY#*/}
fi
echo "ℹ︎ SLUG is $SLUG"

# Set VERSION value according to tag value.
VERSION=${GITHUB_REF#refs/tags/}
echo "ℹ︎ VERSION is $VERSION"

# Get the files in the latest tag.
git archive --format=tar --prefix="archive-${VERSION}/" "${VERSION}" | (cd /tmp/ && tar xf -)
cd "/tmp/archive-${VERSION}/"

# Install project dependencies
# This is to allow the plugin author to run custom command for asset building process.
if [[ ! -z "$CUSTOM_COMMAND" ]]; then
  eval "$CUSTOM_COMMAND"
fi

# If EXCLUDE_LIST is provided store them in a file for rsync.
# This env variable expects a file/folder names to be exclude while doing the rsync command.
if [[ ! -z "$EXCLUDE_LIST" ]]; then
  echo $EXCLUDE_LIST | tr " " "\n" >> exclude.txt
fi

# Create exclude file with default values anyway.
echo ".git .github exclude.txt ${ASSETS_DIR} node_modules" | tr " " "\n" >> exclude.txt

SVN_URL="http://plugins.svn.wordpress.org/${SLUG}/"
SVN_DIR="/github/svn-${SLUG}"

# Checkout just trunk and assets for efficiency
# Tagging will be handled on the SVN level
echo "➤ Checking out .org repository..."
svn checkout --depth immediates "$SVN_URL" "$SVN_DIR"
cd "$SVN_DIR"
svn update --set-depth infinity assets
svn update --set-depth infinity trunk

echo "➤ Copying files..."

# Copy from repository root / custom path and exclude file/folder provided in exclude.txt
# The --delete flag will delete anything in destination that no longer exists in source

if [[ ! -z "$CUSTOM_PATH" ]]; then
    # Use a custom path inside git repo to be used as root path for rsync if provided.
    # Files will be copied from this path to plugin trunk directory.
    rsync -r --delete --exclude-from="/tmp/archive-${VERSION}/exclude.txt" "/tmp/archive-${VERSION}/${CUSTOM_PATH}/" trunk/
else
    rsync -r --delete --exclude-from="/tmp/archive-${VERSION}/exclude.txt" "/tmp/archive-${VERSION}/" trunk/
fi

if [[ ! -z "$ASSETS_DIR" ]]; then
    # Copy assets to /assets
    rsync -r "$GITHUB_WORKSPACE/$ASSETS_DIR/" assets/ --delete
fi

# Add everything and commit to SVN
# The force flag ensures we recurse into subdirectories even if they are already added
# Suppress stdout in favor of svn status later for readability
echo "➤ Preparing files..."
svn add . --force > /dev/null

# SVN delete all deleted files
# Also suppress stdout here
svn status | grep '^\!' | sed 's/! *//' | xargs -I% svn rm % > /dev/null

# Copy tag locally
echo "➤ Copying tag..."
svn cp "trunk" "tags/$VERSION"

svn status

echo "︎➤ Committing files..."
svn commit -m "Update to version $VERSION from GitHub" --no-auth-cache --non-interactive  --username "$WORDPRESS_USERNAME" --password "$WORDPRESS_PASSWORD"

echo "✓ Plugin deployed!"