$ git clone -n https://src.fedoraproject.org/rpms/sfp-master.git /var/lib/mock/f42-build-side-1-3505962-45995/root/chroot_tmpdir/scmroot/sfp-master
Cloning into '/var/lib/mock/f42-build-side-1-3505962-45995/root/chroot_tmpdir/scmroot/sfp-master'...
$ git fetch origin 2296604445aa5f44f37619cc2889d17474ed1b10:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/sfp-master
 * [new ref]         2296604445aa5f44f37619cc2889d17474ed1b10 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2296604 v1.0.6