$ git clone -n https://src.fedoraproject.org/rpms/dnf-plugins-core.git /var/lib/mock/f39-build-1443031-32531/root/chroot_tmpdir/scmroot/dnf-plugins-core
Cloning into '/var/lib/mock/f39-build-1443031-32531/root/chroot_tmpdir/scmroot/dnf-plugins-core'...
$ git fetch origin 7bf539ce793ab09b94ca41feec17fba4807e1032:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/dnf-plugins-core
 * [new ref]         7bf539ce793ab09b94ca41feec17fba4807e1032 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7bf539c Update to 4.4.3