$ git clone -n https://src.fedoraproject.org/rpms/junit.git /var/lib/mock/f38-build-side-42-init-devel-654324-26588/root/chroot_tmpdir/scmroot/junit
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-654324-26588/root/chroot_tmpdir/scmroot/junit'...
$ git fetch origin 8cbf7177ff592a15b1d1e26031c01ae35eb7beba:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/junit
 * [new ref]         8cbf7177ff592a15b1d1e26031c01ae35eb7beba -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8cbf717 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild