$ git clone -n https://src.fedoraproject.org/rpms/bygfoot.git /var/lib/mock/f42-build-882194-184165/root/chroot_tmpdir/scmroot/bygfoot
Cloning into '/var/lib/mock/f42-build-882194-184165/root/chroot_tmpdir/scmroot/bygfoot'...
$ git fetch origin 59a84d6edc57ed5e4a0a31a7df181944302f7d8f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/bygfoot
 * [new ref]         59a84d6edc57ed5e4a0a31a7df181944302f7d8f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 59a84d6 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild