[CI] Update scripts to use PR target branch instead of hardcoded master (#750)

Author: aHenryJard

.drone.yml

@@ -98,7 +98,7 @@ services:
       - apk add build-base git libffi-dev cargo github-cli
       - chmod 777 scripts/*
       - echo "DRONE_SOURCE_BRANCH:${DRONE_SOURCE_BRANCH}, DRONE_PULL_REQUEST:${DRONE_PULL_REQUEST}"
-      - ./scripts/clone-opencti.sh "${DRONE_SOURCE_BRANCH}" "$(pwd)" "${DRONE_PULL_REQUEST}"
+      - ./scripts/clone-opencti.sh "${DRONE_SOURCE_BRANCH}" "${DRONE_TARGET_BRANCH}" "$(pwd)" "${DRONE_PULL_REQUEST}"
       - ls -lart
       - cd opencti/opencti-platform/opencti-graphql
       - yarn install

scripts/clone-opencti.sh

@@ -1,14 +1,15 @@
 #!/bin/sh
 
-if [[ -z "$1" ]] || [[ -z "$2" ]]
+if [[ -z "$1" ]] || [[ -z "$2" ]] || [[ -z "$3" ]]
 then
-    echo "[CLONE-DEPS] This scripts $0 requires 2 paramaters: branch_name:$1, workspace:$2 (optional: PR_number:$3)"
+    echo "[CLONE-DEPS] This scripts $0 requires 3 parameters: branch_name:$1, pr_target_branch: $2, workspace:$3 (optional: PR_number:$4)"
     exit 0
 fi
 
 PR_BRANCH_NAME=$1
-WORKSPACE=$2
-PR_NUMBER=$3
+PR_TARGET_BRANCH=$2
+WORKSPACE=$3
+PR_NUMBER=$4
 
 OPENCTI_DIR="${WORKSPACE}/opencti"
 
@@ -32,8 +33,8 @@ clone_for_pr_build() {
             #remove opencti prefix when present
             OPENCTI_BRANCH=$(echo ${PR_BRANCH_NAME} | cut -d "/" -f2-)
         fi
-        echo "[CLONE-DEPS] OPENCTI_BRANCH is ${OPENCTI_BRANCH}"
-        gh repo clone https://github.com/OpenCTI-Platform/opencti ${OPENCTI_DIR}
+        echo "[CLONE-DEPS] OPENCTI_BRANCH is ${OPENCTI_BRANCH}, target branch is ${PR_TARGET_BRANCH}"
+        gh repo clone https://github.com/OpenCTI-Platform/opencti ${OPENCTI_DIR} -- --branch ${PR_TARGET_BRANCH}  --depth=1
         cd ${OPENCTI_DIR}
 
         # search for the first opencti PR that matches OPENCTI_BRANCH
@@ -50,35 +51,46 @@ clone_for_pr_build() {
             echo "[CLONE-DEPS] Found a PR in opencti with number ${OPENCTI_PR_NUMBER}, using it."
             gh pr checkout ${OPENCTI_PR_NUMBER}
         else
-            echo "[CLONE-DEPS] No PR found in opencti side, keeping opencti:master"
-            # Repository already clone on master branch
+            echo "[CLONE-DEPS] No PR found in opencti side, keeping opencti:${PR_TARGET_BRANCH}"
+            # Repository already clone on PR target branch
         fi
 
     else
-        echo "[CLONE-DEPS] NOT multi repo, cloning opencti:master"
-        gh repo clone https://github.com/OpenCTI-Platform/opencti ${OPENCTI_DIR}
+        echo "[CLONE-DEPS] NOT multi repo, cloning opencti:${PR_TARGET_BRANCH}"
+        gh repo clone https://github.com/OpenCTI-Platform/opencti ${OPENCTI_DIR} -- --branch ${PR_TARGET_BRANCH}  --depth=1
     fi
 }
 
 clone_for_push_build() {
-    echo "[CLONE-DEPS]  Build from a commit, checking if a dedicated branch is required."
-    OPENCTI_BRANCH=$([ $(echo $PR_BRANCH_NAME | cut -d "/" -f 1) == opencti ] && echo $(echo $PR_BRANCH_NAME | cut -d "/" -f2-) || echo 'master' )
-    if [ "$(echo "$(git ls-remote --heads https://github.com/OpenCTI-Platform/opencti.git refs/heads/OPENCTI_BRANCH)")" != '' ]
+    echo "[CLONE-DEPS] Build from a commit, checking if a dedicated branch is required."
+    BRANCH_PREFIX=$(echo $PR_BRANCH_NAME | cut -d "/" -f 1 | grep -c "opencti")
+    if [[ "${BRANCH_PREFIX}" -eq "1" ]]
     then
-      git clone -b $OPENCTI_BRANCH https://github.com/OpenCTI-Platform/opencti.git
+        echo "[CLONE-DEPS] Dedicated OpenCTI branch found, using it"
+        OPENCTI_BRANCH=$(echo $PR_BRANCH_NAME | cut -d "/" -f2-)
+        git clone -b $OPENCTI_BRANCH https://github.com/OpenCTI-Platform/opencti.git
     else
-      git clone -b master https://github.com/OpenCTI-Platform/opencti.git
+        echo "[CLONE-DEPS] No dedicated OpenCTI branch found, using master"
+        git clone https://github.com/OpenCTI-Platform/opencti.git
     fi
-
 }
 
-echo "[CLONE-DEPS] START; with PR_BRANCH_NAME=${PR_BRANCH_NAME}, PR_NUMBER=${PR_NUMBER}, OPENCTI_DIR=${OPENCTI_DIR}."
+echo "[CLONE-DEPS] START; with PR_BRANCH_NAME=${PR_BRANCH_NAME},PR_TARGET_BRANCH=${PR_TARGET_BRANCH}, PR_NUMBER=${PR_NUMBER}, OPENCTI_DIR=${OPENCTI_DIR}."
 if [[ -z ${PR_NUMBER} ]] || [[ ${PR_NUMBER} == "" ]]
 then
     # No PR number from Drone = "Push build". And it's only for repository branch (not fork)
-    # Only check branches from OpenCTI-Platform org
-    echo "[CLONE-DEPS] No PR number from Drone = "Push build"; it's only for repository branch (not fork)."
-    clone_for_push_build
+    # Using github cli to get PR number anyway
+    PR_NUMBER=$(gh pr view ${PR_BRANCH_NAME} --json number --jq '.number')
+    PR_TARGET_BRANCH=$(gh pr view ${PR_BRANCH_NAME} --json baseRefName --jq '.baseRefName')
+
+    if [[ -z ${PR_NUMBER} ]] || [[ ${PR_NUMBER} == "" ]]
+    then
+        echo "[CLONE-DEPS] PR is not created on github yet, using clone without PR number and default fallback to master"
+        clone_for_push_build
+    else
+        echo "[CLONE-DEPS] Got data from github cli, continue with: PR_TARGET_BRANCH=${PR_TARGET_BRANCH}, PR_NUMBER=${PR_NUMBER}."
+        clone_for_pr_build
+    fi
 else
     # PR build is trigger from Pull Request coming both from branch and forks.
     # We need to have this clone accross repository that works for forks (community PR)