$ git clone -n https://src.fedoraproject.org/rpms/pilot-link.git /var/lib/mock/f41-build-833814-14943/root/chroot_tmpdir/scmroot/pilot-link
Cloning into '/var/lib/mock/f41-build-833814-14943/root/chroot_tmpdir/scmroot/pilot-link'...
$ git fetch origin 4899e968754fa4518411119f73ac92cdbe8ef373:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pilot-link
 * [new ref]         4899e968754fa4518411119f73ac92cdbe8ef373 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4899e96 Eliminate use of obsolete %patchN syntax (#2283636)