$ git clone -n https://src.fedoraproject.org/rpms/perl-ExtUtils-ParseXS.git /var/lib/mock/f45-build-23443-597/root/chroot_tmpdir/scmroot/perl-ExtUtils-ParseXS
Cloning into '/var/lib/mock/f45-build-23443-597/root/chroot_tmpdir/scmroot/perl-ExtUtils-ParseXS'...
$ git fetch origin 288a6ee9f0d5165d1f68e83dedb25fd993fdf70b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-ExtUtils-ParseXS
 * [new ref]         288a6ee9f0d5165d1f68e83dedb25fd993fdf70b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 288a6ee 3.64 bump (rhbz#2510954)