$ git clone -n https://src.fedoraproject.org/rpms/filedrop.git /var/lib/mock/f39-build-1560244-37335/root/chroot_tmpdir/scmroot/filedrop
Cloning into '/var/lib/mock/f39-build-1560244-37335/root/chroot_tmpdir/scmroot/filedrop'...
$ git fetch origin c8c0ba776210f49ecae1480248ff94a2773feb1e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/filedrop
 * [new ref]         c8c0ba776210f49ecae1480248ff94a2773feb1e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c8c0ba7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild