$ git clone -n https://src.fedoraproject.org/rpms/trojita.git /var/lib/mock/f39-build-1908703-42872/root/chroot_tmpdir/scmroot/trojita
Cloning into '/var/lib/mock/f39-build-1908703-42872/root/chroot_tmpdir/scmroot/trojita'...
$ git fetch origin 9ad9508d6eedcb716d1b949b7f2fc103e5325708:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/trojita
 * [new ref]         9ad9508d6eedcb716d1b949b7f2fc103e5325708 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9ad9508 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild