Add a release script (and target)

Signed-off-by: Vincent Demeester <[email protected]>

Makefile

@@ -30,10 +30,42 @@ endef
 # renders the task resource file printing it out on the standard output
 helm-template:
 	$(call render-template)
+
 # renders and installs the resources (task)
 install:
 	$(call render-template) |kubectl $(ARGS) apply -f -
 
+# pepare a release
+.PHONY: prepare-release
+prepare-release:
+	mkdir -p $(RELEASE_DIR) || true
+	hack/release.sh $(RELEASE_DIR)
+
+.PHONY: release
+release: prepare-release
+	pushd ${RELEASE_DIR} && \
+		go run github.com/openshift-pipelines/tektoncd-catalog/cmd/catalog-cd@main \
+			release \
+			--output release \
+			--version $(CHART_VERSION) \
+			tasks/* \
+		; \
+	popd
+
+# tags the repository with the RELEASE_VERSION and pushes to "origin"
+git-tag-release-version:
+	if ! git rev-list "${RELEASE_VERSION}".. >/dev/null; then \
+		git tag "$(RELEASE_VERSION)" && \
+			git push origin --tags; \
+	fi
+
+# github-release
+.PHONY: github-release
+github-release: git-tag-release-version release
+	gh release create $(RELEASE_VERSION) --generate-notes && \
+	gh release upload $(RELEASE_VERSION) $(RELEASE_DIR)/release/catalog.yaml && \
+	gh release upload $(RELEASE_VERSION) $(RELEASE_DIR)/release/resources.tar.gz
+
 # packages the helm-chart as a single tarball, using it's name and version to compose the file
 helm-package: clean
 	helm package $(ARGS) .

hack/release.sh

@@ -0,0 +1,66 @@
+#!/usr/bin/env bash
+#
+# Renders and copies documentation files into the informed RELEASE_DIR, the script search for
+# task templates on a specific glob expression. The templates are rendered using the actual
+# task name and documentation is searched for and copied over to the task release directory.
+#
+
+shopt -s inherit_errexit
+set -eu -o pipefail
+
+readonly RELEASE_DIR="${1:-}"
+
+# Print error message and exit non-successfully.
+panic() {
+    echo "# ERROR: ${*}"
+    exit 1
+}
+
+# Extracts the filename only, without path or extension.
+extract_name() {
+    declare filename=$(basename -- "${1}")
+    declare extension="${filename##*.}"
+    echo "${filename%.*}"
+}
+
+# Finds the respective documentation for the task name, however, for s2i it only consider the
+# "task-s2i" part instead of the whole name.
+find_doc() {
+    declare task_name="${1}"
+    [[ "${task_name}" == "task-s2i"* ]] &&
+        task_name="task-s2i"
+    find docs/ -name "${task_name}*.md"
+}
+
+#
+# Main
+#
+
+release() {
+    # making sure the release directory exists, this script should only create releative
+    # directories using it as root
+    [[ ! -d "${RELEASE_DIR}" ]] &&
+        panic "Release dir is not found '${RELEASE_DIR}'!"
+
+    # releasing task-git (it's the only task)
+    # See task-containers if there is more than one task to support.
+    declare task_name=task-maven
+    declare task_doc=README.md
+    declare task_dir="${RELEASE_DIR}/tasks/${task_name}"
+    [[ ! -d "${task_dir}" ]] &&
+        mkdir -p "${task_dir}"
+
+    # rendering the helm template for the specific file, using the resource name for the
+    # filename respectively
+    echo "# Rendering '${task_name}' at '${task_dir}'..."
+    helm template . >${task_dir}/${task_name}.yaml ||
+        panic "Unable to render '${task_name}'!"
+
+    # finds the respective documentation file copying as "README.md", on the same
+    # directory where the respective task is located
+    echo "# Copying '${task_name}' documentation file '${task_doc}'..."
+    cp -v -f ${task_doc} "${task_dir}/README.md" ||
+        panic "Unable to copy '${task_doc}' into '${task_dir}'"
+}
+
+release