$ git clone -n https://src.fedoraproject.org/rpms/proxmark3.git /var/lib/mock/f39-build-1601332-38560/root/chroot_tmpdir/scmroot/proxmark3
Cloning into '/var/lib/mock/f39-build-1601332-38560/root/chroot_tmpdir/scmroot/proxmark3'...
$ git fetch origin 4b34fb8c08f06906482ff7b614e410f49438ff32:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/proxmark3
 * [new ref]         4b34fb8c08f06906482ff7b614e410f49438ff32 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4b34fb8 Bump to v4.17140