$ git clone -n https://src.fedoraproject.org/rpms/perl-String-CRC32.git /var/lib/mock/f40-build-779783-130466/root/chroot_tmpdir/scmroot/perl-String-CRC32
Cloning into '/var/lib/mock/f40-build-779783-130466/root/chroot_tmpdir/scmroot/perl-String-CRC32'...
$ git fetch origin c397756ac612d5539b7700589fdd9c98384ff364:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-String-CRC32
 * [new ref]         c397756ac612d5539b7700589fdd9c98384ff364 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c397756 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild