$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Build-Tiny.git /var/lib/mock/f41-build-side-1-2781578-32531/root/chroot_tmpdir/scmroot/perl-Module-Build-Tiny
Cloning into '/var/lib/mock/f41-build-side-1-2781578-32531/root/chroot_tmpdir/scmroot/perl-Module-Build-Tiny'...
$ git fetch origin c95f89bd1d61c3103637a8d4313a5ff7abad68de:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Build-Tiny
 * [new ref]         c95f89bd1d61c3103637a8d4313a5ff7abad68de -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c95f89b Update to 0.051