$ git clone -n https://src.fedoraproject.org/rpms/perl-Digest-MD5.git /var/lib/mock/eln-build-side-114847-60997254-6587467/root/chroot_tmpdir/scmroot/perl-Digest-MD5
Cloning into '/var/lib/mock/eln-build-side-114847-60997254-6587467/root/chroot_tmpdir/scmroot/perl-Digest-MD5'...
$ git fetch origin d98846ebe03170cd190301f591575cff8a970fb2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Digest-MD5
 * [new ref]         d98846ebe03170cd190301f591575cff8a970fb2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d98846e Increase release to favour standalone package