test.mk get PR branch from CLONEREFS_OPTIONS (#887)

* test.mk get PR branch from CLONEREFS_OPTIONS

* add refs/heads/ to branch from CLONEREF_OPTIONS

* get and use PR branch from CLONEREF_OPTIONS

* trying things

* trying things 2

* trying things 3

* possible solution

* attempt to fix error

* solution

* fix non github action path

---------

Co-authored-by: Matous Jobanek <mjobanek@redhat.com>
Co-authored-by: Francisc Munteanu <fmuntean@redhat.com>

make/test.mk

@@ -97,29 +97,26 @@ ifeq ($(E2E_REPO_PATH),"")
 	git clone https://github.com/codeready-toolchain/toolchain-e2e.git ${E2E_REPO_PATH}
     ifneq ($(CI),)
         ifneq ($(GITHUB_ACTIONS),)
-			$(eval BRANCH_REF = refs/heads/${GITHUB_HEAD_REF})
+			$(eval BRANCH_NAME = ${GITHUB_HEAD_REF})
 			$(eval AUTHOR_LINK = https://github.com/${AUTHOR})
         else
 			$(eval AUTHOR_LINK = $(shell jq -r '.refs[0].pulls[0].author_link' <<< $${CLONEREFS_OPTIONS} | tr -d '[:space:]'))
-			@echo "using pull sha ${PULL_PULL_SHA}"
-			# get branch ref of the fork the PR was created from
-			$(eval BRANCH_REF := $(shell curl ${AUTHOR_LINK}/host-operator.git/info/refs?service=git-upload-pack --output - /dev/null 2>&1 | grep -a ${PULL_PULL_SHA} | awk '{print $$2}'))
+			@echo "found author link ${AUTHOR_LINK}"
+			$(eval BRANCH_NAME := $(shell jq -r '.refs[0].pulls[0].head_ref' <<< $${CLONEREFS_OPTIONS} | tr -d '[:space:]'))
         endif
 		@echo "using author link ${AUTHOR_LINK}"
-		@echo "detected branch ref ${BRANCH_REF}"
+		@echo "detected branch ${BRANCH_NAME}"
 		# check if a branch with the same ref exists in the user's fork of toolchain-e2e repo
-		$(eval REMOTE_E2E_BRANCH := $(shell curl ${AUTHOR_LINK}/toolchain-e2e.git/info/refs?service=git-upload-pack --output - 2>/dev/null | grep -a "${BRANCH_REF}$$" | awk '{print $$2}'))
+		$(eval REMOTE_E2E_BRANCH := $(shell curl ${AUTHOR_LINK}/toolchain-e2e.git/info/refs?service=git-upload-pack --output - 2>/dev/null | grep -a "refs/heads/${BRANCH_NAME}$$" | awk '{print $$2}'))
 		@echo "branch ref of the user's fork: \"${REMOTE_E2E_BRANCH}\" - if empty then not found"
 		# check if the branch with the same name exists, if so then merge it with master and use the merge branch, if not then use master
 		if [[ -n "${REMOTE_E2E_BRANCH}" ]]; then \
 			git config --global user.email "devtools@redhat.com"; \
 			git config --global user.name "Devtools"; \
-			# retrieve the branch name \
-			BRANCH_NAME=`echo ${BRANCH_REF} | awk -F'/' '{print $$3}'`; \
 			# add the user's fork as remote repo \
 			git --git-dir=${E2E_REPO_PATH}/.git --work-tree=${E2E_REPO_PATH} remote add external ${AUTHOR_LINK}/toolchain-e2e.git; \
 			# fetch the branch \
-			git --git-dir=${E2E_REPO_PATH}/.git --work-tree=${E2E_REPO_PATH} fetch external ${BRANCH_REF}; \
+			git --git-dir=${E2E_REPO_PATH}/.git --work-tree=${E2E_REPO_PATH} fetch external ${REMOTE_E2E_BRANCH}; \
 			# merge the branch with master \
 			git --git-dir=${E2E_REPO_PATH}/.git --work-tree=${E2E_REPO_PATH} merge --allow-unrelated-histories --no-commit FETCH_HEAD; \
 		fi;