$ git clone -n https://src.fedoraproject.org/rpms/perl-Hash-FieldHash.git /var/lib/mock/f40-build-732719-104927/root/chroot_tmpdir/scmroot/perl-Hash-FieldHash
Cloning into '/var/lib/mock/f40-build-732719-104927/root/chroot_tmpdir/scmroot/perl-Hash-FieldHash'...
$ git fetch origin 71366cb8fb2fd88aa41b87cef3421d7ca7bcf7de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Hash-FieldHash
 * [new ref]         71366cb8fb2fd88aa41b87cef3421d7ca7bcf7de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71366cb Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild