$ git clone -n https://src.fedoraproject.org/rpms/perl-Module-Build-Tiny.git /var/lib/mock/f41-build-691956-12735/root/chroot_tmpdir/scmroot/perl-Module-Build-Tiny
Cloning into '/var/lib/mock/f41-build-691956-12735/root/chroot_tmpdir/scmroot/perl-Module-Build-Tiny'...
$ git fetch origin 0a4e70e17618cbac081554d1c06f4eb06d24905e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Module-Build-Tiny
 * [new ref]         0a4e70e17618cbac081554d1c06f4eb06d24905e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0a4e70e Update to 0.048