$ git clone -n https://src.fedoraproject.org/rpms/perl-Locale-Codes.git /var/lib/mock/f40-build-2626180-65248/root/chroot_tmpdir/scmroot/perl-Locale-Codes
Cloning into '/var/lib/mock/f40-build-2626180-65248/root/chroot_tmpdir/scmroot/perl-Locale-Codes'...
$ git fetch origin fe7faaf77df20a0976924ccf90d1911864f16f20:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Locale-Codes
 * [new ref]         fe7faaf77df20a0976924ccf90d1911864f16f20 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe7faaf 3.78 bump