Refactor

.ci/Makefile

@@ -5,15 +5,14 @@ CURRENT_GID := $(shell id -g)
 
 .PHONY: help
 .DEFAULT_GOAL := help
-help: ## Display this help text
+help:  ## Display this help text
 	@grep -E '^[a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-20s\033[0m %s\n", $$1, $$2}'
 
-.PHONY: prepare-release
-prepare-release:  ## Prepare the dependencies to run the release
+.PHONY: prepare
+prepare:  ## Prepare the dependencies to run the release
 	@docker build --tag gren -f .ci/docker/gren/Dockerfile .
 
-.PHONY: release
-release: prepare-release  ## Run a release given the GITHUB_TOKEN and TAG_NAME
+run-%: prepare  ## Run either a release or changelog generation given the GITHUB_TOKEN and TAG_NAME
 ifndef GITHUB_TOKEN
 	@echo "Please set GITHUB_TOKEN in the environment to generate the changelog"
 	exit 1
@@ -28,4 +27,10 @@ endif
 		--env GITHUB_TOKEN=$(GITHUB_TOKEN) \
 		--env TAG_NAME=$(TAG_NAME) \
 		-u $(CURRENT_UID):$(CURRENT_GID) \
-		gren
+		gren $*
+
+.PHONY: release
+release: run-release  ## Run a release given the GITHUB_TOKEN and TAG_NAME
+
+.PHONY: changelog
+changelog: run-changelog  ## Create the changelog given the GITHUB_TOKEN and TAG_NAME

.ci/docker/gren/Dockerfile

@@ -7,4 +7,5 @@ RUN apt-get update -qq -y \
 RUN npm install github-release-notes@0.17.3 -g
 WORKDIR /app
 
-ENTRYPOINT [ "/app/.ci/docker/gren/entrypoint.sh" ]
+ENTRYPOINT [ "/app/.ci/docker/gren/entrypoint.sh" ]
+CMD [ "release" ]

.ci/docker/gren/entrypoint.sh

@@ -1,7 +1,18 @@
 #!/usr/bin/env bash
-set -exo pipefail
+set -eo pipefail
 
-/usr/local/bin/gren release \
+TYPE=${1:-release}
+
+if [ "${TYPE}" == "release" ] ; then
+    /usr/local/bin/gren release \
+        --token="${GITHUB_TOKEN}" \
+        --tags="${TAG_NAME}" \
+        --config .ci/.grenrc.js
+else
+    /usr/local/bin/gren changelog \
+        --generate \
+        --override \
         --token="${GITHUB_TOKEN}" \
         --tags="${TAG_NAME}" \
         --config .ci/.grenrc.js
+fi