$ git clone -n https://src.fedoraproject.org/rpms/perl-HTTP-Parser.git /var/lib/mock/f40-build-2018005-46369/root/chroot_tmpdir/scmroot/perl-HTTP-Parser
Cloning into '/var/lib/mock/f40-build-2018005-46369/root/chroot_tmpdir/scmroot/perl-HTTP-Parser'...
$ git fetch origin fa3d66550a58afa0006f84b583f0d73ea3fb09fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-HTTP-Parser
 * [new ref]         fa3d66550a58afa0006f84b583f0d73ea3fb09fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa3d665 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild