$ git clone -n https://src.fedoraproject.org/rpms/NetworkManager.git /var/lib/mock/f42-build-451-71/root/chroot_tmpdir/scmroot/NetworkManager
Cloning into '/var/lib/mock/f42-build-451-71/root/chroot_tmpdir/scmroot/NetworkManager'...
$ git fetch origin be4244bda0145fbcb736ec13104accfb8ba9c077:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/NetworkManager
 * [new ref]         be4244bda0145fbcb736ec13104accfb8ba9c077 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be4244b Update to 1.52.1 release