$ git clone -n https://src.fedoraproject.org/rpms/rubygem-abrt.git /var/lib/mock/f40-build-2033469-47806/root/chroot_tmpdir/scmroot/rubygem-abrt
Cloning into '/var/lib/mock/f40-build-2033469-47806/root/chroot_tmpdir/scmroot/rubygem-abrt'...
$ git fetch origin 07c8327448360746f47dcb7fa1a5860e0544779a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-abrt
 * [new ref]         07c8327448360746f47dcb7fa1a5860e0544779a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 07c8327 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild