$ git clone -n https://src.fedoraproject.org/rpms/perl-Test-Spelling.git /var/lib/mock/f39-build-1435181-31974/root/chroot_tmpdir/scmroot/perl-Test-Spelling
Cloning into '/var/lib/mock/f39-build-1435181-31974/root/chroot_tmpdir/scmroot/perl-Test-Spelling'...
$ git fetch origin d6428106061ac4a55e3a56b4466be5337d95f35d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test-Spelling
 * [new ref]         d6428106061ac4a55e3a56b4466be5337d95f35d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d642810 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild