Add tag names

README.md

@@ -116,3 +116,15 @@ with:
   password: ${{ secrets.DOCKER_PASSWORD }}
   cache: true
 ```
+
+### tag_names
+Use `tag_names` when you want to push tags/release by their git name (e.g. `refs/tags/MY_TAG_NAME`).  
+> CAUTION: Images produced by this feature can be override by branches with the same name - without a way to restore.
+
+```yaml
+with:
+  name: myDocker/repository
+  username: ${{ secrets.DOCKER_USERNAME }}
+  password: ${{ secrets.DOCKER_PASSWORD }}
+  tag_names: true
+```

action.yml

@@ -32,6 +32,9 @@ inputs:
   cache:
     description: 'Use cache when you have big images, that you would only like to build partially'
     required: false
+  tag_names:
+    description: 'Use tag_names when you want to push tags/release by their git name'
+    required: false
 outputs:
   tag:
     description: 'Is the tag, which was pushed'

entrypoint.sh

@@ -62,6 +62,8 @@ function translateDockerTag() {
     INPUT_NAME=$(echo ${INPUT_NAME} | cut -d':' -f1)
   elif isOnMaster; then
     TAG="latest"
+  elif isGitTag && uses "${INPUT_TAG_NAMES}"; then
+    TAG=$(echo ${GITHUB_REF} | sed -e "s/refs\/tags\///g")
   elif isGitTag; then
     TAG="latest"
   elif isPullRequest; then

test.bats

@@ -8,6 +8,7 @@ setup(){
 }
 
 teardown() {
+  unset INPUT_TAG_NAMES
   unset INPUT_SNAPSHOT
   unset INPUT_DOCKERFILE
   unset INPUT_REGISTRY
@@ -77,6 +78,22 @@ Called /usr/local/bin/docker logout"
   [ "$output" = "$expected" ]
 }
 
+@test "with tag names it pushes tags using the name" {
+  export GITHUB_REF='refs/tags/myRelease'
+  export INPUT_TAG_NAMES=true
+
+  run /entrypoint.sh
+
+  local expected="
+Called /usr/local/bin/docker login -u USERNAME --password-stdin
+Called /usr/local/bin/docker build -t my/repository:myRelease .
+Called /usr/local/bin/docker push my/repository:myRelease
+::set-output name=tag::myRelease
+Called /usr/local/bin/docker logout"
+  echo $output
+  [ "$output" = "$expected" ]
+}
+
 @test "it pushes specific Dockerfile to latest" {
   export INPUT_DOCKERFILE='MyDockerFileName'