$ git clone -n https://src.fedoraproject.org/rpms/xfsdump.git /var/lib/mock/f41-build-side-1-2671342-29139/root/chroot_tmpdir/scmroot/xfsdump
Cloning into '/var/lib/mock/f41-build-side-1-2671342-29139/root/chroot_tmpdir/scmroot/xfsdump'...
$ git fetch origin 72faaf908d7fe72f3d793dd74e093a4fa2c01b9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfsdump
 * [new ref]         72faaf908d7fe72f3d793dd74e093a4fa2c01b9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 72faaf9 Update to latest upstream version