$ git clone -n https://src.fedoraproject.org/rpms/NetworkManager.git /var/lib/mock/f40-build-2147223-50889/root/chroot_tmpdir/scmroot/NetworkManager
Cloning into '/var/lib/mock/f40-build-2147223-50889/root/chroot_tmpdir/scmroot/NetworkManager'...
$ git fetch origin a7d4d2313c3e1acc923b71de2644cf97ce9132ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/NetworkManager
 * [new ref]         a7d4d2313c3e1acc923b71de2644cf97ce9132ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7d4d23 Update to 1.45.9 (development)