$ git clone -n https://src.fedoraproject.org/rpms/four-in-a-row.git /var/lib/mock/f42-build-3272644-41307/root/chroot_tmpdir/scmroot/four-in-a-row
Cloning into '/var/lib/mock/f42-build-3272644-41307/root/chroot_tmpdir/scmroot/four-in-a-row'...
$ git fetch origin 03916a76ebec37c1479f19f674c5da66f32967ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/four-in-a-row
 * [new ref]         03916a76ebec37c1479f19f674c5da66f32967ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03916a7 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild