$ git clone -n https://src.fedoraproject.org/rpms/perl-Business-ISSN.git /var/lib/mock/f42-build-side-1-3498653-45963/root/chroot_tmpdir/scmroot/perl-Business-ISSN
Cloning into '/var/lib/mock/f42-build-side-1-3498653-45963/root/chroot_tmpdir/scmroot/perl-Business-ISSN'...
$ git fetch origin ce08864714dfb77cde04d6d1fe652bd5c58d1298:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Business-ISSN
 * [new ref]         ce08864714dfb77cde04d6d1fe652bd5c58d1298 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce08864 Update to 1.008