$ git clone -n https://src.fedoraproject.org/rpms/petpvc.git /var/lib/mock/f39-build-2360072-60330/root/chroot_tmpdir/scmroot/petpvc
Cloning into '/var/lib/mock/f39-build-2360072-60330/root/chroot_tmpdir/scmroot/petpvc'...
$ git fetch origin 644bff36978dfe4626f80065e68a498a3f80ed0d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/petpvc
 * [new ref]         644bff36978dfe4626f80065e68a498a3f80ed0d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 644bff3 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild