$ git clone -n https://src.fedoraproject.org/rpms/perl-threads-shared.git /var/lib/mock/f45-build-27748-625/root/chroot_tmpdir/scmroot/perl-threads-shared
Cloning into '/var/lib/mock/f45-build-27748-625/root/chroot_tmpdir/scmroot/perl-threads-shared'...
$ git fetch origin a22b65304681584db045bf613d9b71d4cfb77807:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-threads-shared
 * [new ref]         a22b65304681584db045bf613d9b71d4cfb77807 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a22b653 Increase release to favour standalone package