$ git clone -n https://src.fedoraproject.org/rpms/spacefm.git /var/lib/mock/f40-build-2260890-54424/root/chroot_tmpdir/scmroot/spacefm
Cloning into '/var/lib/mock/f40-build-2260890-54424/root/chroot_tmpdir/scmroot/spacefm'...
$ git fetch origin f80d021f97edf398c2b29e95086a5da8849c194a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/spacefm
 * [new ref]         f80d021f97edf398c2b29e95086a5da8849c194a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f80d021 Change -Wincompatible-pointer-types from error to warning