From b2d6dd02549551d269efabc879998d462b483f8a Mon Sep 17 00:00:00 2001
From: Deluan <deluan@deluan.com>
Date: Mon, 4 May 2020 11:47:03 -0400
Subject: [PATCH] Add pr-# tag to Docker image

---
 .github/workflows/docker-tags.sh | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/docker-tags.sh b/.github/workflows/docker-tags.sh
index 5a43b1fb9..9256cb550 100755
--- a/.github/workflows/docker-tags.sh
+++ b/.github/workflows/docker-tags.sh
@@ -3,10 +3,15 @@
 GIT_TAG="${GITHUB_REF##refs/tags/}"
 GIT_BRANCH="${GITHUB_REF##refs/heads/}"
 GIT_SHA=$(git rev-parse --short HEAD)
+PR_NUM=$(jq --raw-output .pull_request.number "$GITHUB_EVENT_PATH")
 
 DOCKER_IMAGE_TAG="--tag ${DOCKER_IMAGE}:sha-${GIT_SHA}"
 
-if [[ $GITHUB_REF != $GIT_TAG ]]; then
+if [[ $PR_NUM != "null" ]]; then
+  DOCKER_IMAGE_TAG="${DOCKER_IMAGE_TAG} --tag ${DOCKER_IMAGE}:pr-${PR_NUM}"
+fi
+
+if [[ $GITHUB_REF != "$GIT_TAG" ]]; then
     DOCKER_IMAGE_TAG="${DOCKER_IMAGE_TAG} --tag ${DOCKER_IMAGE}:${GIT_TAG#v}  --tag ${DOCKER_IMAGE}:latest"
 elif [[ $GITHUB_REF == "refs/heads/master" ]]; then
     DOCKER_IMAGE_TAG="${DOCKER_IMAGE_TAG} --tag ${DOCKER_IMAGE}:develop"
@@ -14,4 +19,4 @@ elif [[ $GIT_BRANCH = feature/* ]]; then
     DOCKER_IMAGE_TAG="${DOCKER_IMAGE_TAG} --tag ${DOCKER_IMAGE}:$(echo $GIT_BRANCH | tr / -)"
 fi
 
-echo ${DOCKER_IMAGE_TAG}
\ No newline at end of file
+echo ${DOCKER_IMAGE_TAG}