#6 Generate the symfony-docker.lock when using docker-fetch

README.md

@@ -97,7 +97,12 @@ make df
 ```
 
 Relaunch the stack (`make up` + `make install` on another terminal if some changes are made on the Dockerfile or make/install.mk files).
-Check the diffs and commit any changes that feels relevant to you.
+
+> A symfony-docker.lock while be generated each time you run the docker-fetch.   
+> This file helps you to keep track of which version of the docker stack you are currently using.  
+> It should be committed on your project.
+
+Finally, check the diffs and commit any changes that feels relevant to you.
 
 ## Working on the symfony-docker stack
 

make/docker.mk

@@ -8,6 +8,13 @@ docker-fetch: ## Fetch smartbooster/symfony-docker stack files
 	git remote add docker git@github.com:smartbooster/symfony-docker.git
 	git fetch docker
 	git checkout docker/main .
+	rm -f symfony-docker.lock
+	touch symfony-docker.lock
+	echo '{' >> symfony-docker.lock
+	echo '    "hash": "'$(shell git rev-parse docker/main)'", ' >> symfony-docker.lock
+	echo '    "fetch_time": "'$(shell date +%Y-%m-%dT%H:%M:%S)'",' >> symfony-docker.lock
+	echo '    "tag": "'$(shell git rev-parse docker/main | git tag --contains)'"' >> symfony-docker.lock
+	echo '}' >> symfony-docker.lock
 	git remote remove docker
 	make docker-post-fetch
 df: docker-fetch ## Alias for docker-fetch