$ git clone -n https://src.fedoraproject.org/rpms/gap-pkg-uuid.git /var/lib/mock/f40-build-1997271-44119/root/chroot_tmpdir/scmroot/gap-pkg-uuid
Cloning into '/var/lib/mock/f40-build-1997271-44119/root/chroot_tmpdir/scmroot/gap-pkg-uuid'...
$ git fetch origin 04c6d35a9d715c519c1e4d7a2e87be1b617708b9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gap-pkg-uuid
 * [new ref]         04c6d35a9d715c519c1e4d7a2e87be1b617708b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 04c6d35 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild