$ git clone -n https://src.fedoraproject.org/rpms/perl-ConfigReader.git /var/lib/mock/f39-build-1434982-31967/root/chroot_tmpdir/scmroot/perl-ConfigReader
Cloning into '/var/lib/mock/f39-build-1434982-31967/root/chroot_tmpdir/scmroot/perl-ConfigReader'...
$ git fetch origin a6821cae3720742d7e413abe9827030cd0a32601:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ConfigReader
 * [new ref]         a6821cae3720742d7e413abe9827030cd0a32601 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a6821ca Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild