point downstream tests to special branches

Author: alexfikl

.github/workflows/ci.yml

@@ -104,7 +104,12 @@ jobs:
                 curl -L -O https://tiker.net/ci-support-v0
                 . ./ci-support-v0
 
-                git clone "https://github.com/inducer/$DOWNSTREAM_PROJECT.git"
+                if [[ "$DOWNSTREAM_PROJECT" = "loopy" || "$DOWNSTREAM_PROJECT" = "pytential" ]] && [[ "$GITHUB_HEAD_REF" = "equality-mapper" ]]; then
+                    git clone "https://github.com/alexfikl/$DOWNSTREAM_PROJECT.git" -b "equality-mapper"
+                else
+                    git clone "https://github.com/inducer/$DOWNSTREAM_PROJECT.git"
+                fi
+
                 cd "$DOWNSTREAM_PROJECT"
                 echo "*** $DOWNSTREAM_PROJECT version: $(git rev-parse --short HEAD)"