oniro-ci: Add variable to specify oe-core path

Signed-off-by: Pavel Zhukov pavel.zhukov@huawei.com

.oniro-ci/build-generic.yaml

@@ -58,6 +58,20 @@
       fi
       set +x
 
+    - |
+      set -x
+      if [ -n "$ONIRO_CI_OECORE_BRANCH" ]; then
+          if [ -n "$ONIRO_CI_OECORE_REPO" ]; then
+              echo "CI: Using oe-core from '$ONIRO_CI_OECORE_REPO':'$ONIRO_CI_OECORE_BRANCH' "
+              ( cd "oe-core" && git remote add oecore-nut "$ONIRO_CI_OECORE_REPO" \
+                  && git fetch oecore-nut && git checkout oecore-nut/"$ONIRO_CI_OECORE_BRANCH" );
+          else
+              echo "CI: Using oe-core branch: '$ONIRO_CI_OECORE_BRANCH' "
+              ( cd "oe-core" && git fetch && git checkout "$ONIRO_CI_OECORE_BRANCH" );
+          fi;
+      fi;
+      set +x
+
   script:
     # Reload the value of SCRATCH_DIR set in the before_script phase. Those run
     # in separate shell processes and do not share environment variables.