Add main.workflow (#12)

* Add main.workflow

Add `workflow` file for plugin deploy to wordpress.org repository.

* Add custom action

Add custom action for plugin deploy from the src folder

* Update main.workflow

* Update main.workflow

* Add secrets

.github/deploy-plugin/Dockerfile

@@ -0,0 +1,14 @@
+FROM debian:stable-slim
+
+LABEL "com.github.actions.name"="Deploy Plugin"
+LABEL "com.github.actions.description"="Deploy to the WordPress Plugin Repository"
+LABEL "com.github.actions.icon"="upload-cloud"
+LABEL "com.github.actions.color"="red"
+
+RUN apt-get update \
+	&& apt-get install -y subversion rsync \
+	&& apt-get clean -y \
+	&& rm -rf /var/lib/apt/lists/*
+
+COPY entrypoint.sh /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]

.github/deploy-plugin/entrypoint.sh

@@ -0,0 +1,69 @@
+#!/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 "$SVN_USERNAME" ]]; then
+	echo "Set the SVN_USERNAME secret"
+	exit 1
+fi
+
+if [[ -z "$SVN_PASSWORD" ]]; then
+	echo "Set the SVN_PASSWORD secret"
+	exit 1
+fi
+
+# Allow some ENV variables to be customized
+if [[ -z "$SLUG" ]]; then
+	SLUG=${GITHUB_REPOSITORY#*/}
+fi
+echo "ℹ︎ SLUG is $SLUG"
+
+# Does it even make sense for VERSION to be editable in a workflow definition?
+if [[ -z "$VERSION" ]]; then
+	VERSION=${GITHUB_REF#refs/tags/}
+fi
+echo "ℹ︎ VERSION is $VERSION"
+
+SVN_URL="http://plugins.svn.wordpress.org/${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 the `src folder of the`current branch to /trunk
+# The --delete flag will delete anything in destination that no longer exists in source
+rsync -r "$GITHUB_WORKSPACE/src/" trunk/ --delete
+
+# 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
+
+svn status
+
+echo "︎➤ Committing files..."
+svn commit -m "Update to version $VERSION from GitHub" --no-auth-cache --non-interactive  --username "$SVN_USERNAME" --password "$SVN_PASSWORD"
+
+# SVN tag to VERSION
+echo "➤ Tagging version..."
+svn cp "^/$SLUG/trunk" "^/$SLUG/tags/$VERSION" -m "Tag $VERSION" --no-auth-cache --non-interactive --username "$SVN_USERNAME" --password "$SVN_PASSWORD"
+
+echo "✓ Plugin deployed!"

.github/main.workflow

@@ -0,0 +1,19 @@
+workflow "Deploy" {
+  resolves = ["Deploy Plugin"]
+  on = "push"
+}
+
+# Filter for tag
+action "tag" {
+  uses = "actions/bin/filter@master"
+  args = "tag"
+}
+
+action "Deploy Plugin" {
+  needs = ["tag"]
+  uses = "./.github/deploy-plugin"
+  env = {
+    SLUG = "spiderblocker"
+  }
+  secrets = ["SVN_USERNAME", "SVN_PASSWORD"]
+}