$ git clone -n https://src.fedoraproject.org/rpms/scala.git /var/lib/mock/f40-build-1712256-24613/root/chroot_tmpdir/scmroot/scala
Cloning into '/var/lib/mock/f40-build-1712256-24613/root/chroot_tmpdir/scmroot/scala'...
$ git fetch origin 78af8cc185f185409e46e757f7dc430d3b9c2da5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/scala
 * [new ref]         78af8cc185f185409e46e757f7dc430d3b9c2da5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78af8cc Rebuilt for java-21-openjdk as system jdk