$ git clone -n https://src.fedoraproject.org/rpms/filesystem.git /var/lib/mock/f31-build-50445-27410/root/chroot_tmpdir/scmroot/filesystem
Cloning into '/var/lib/mock/f31-build-50445-27410/root/chroot_tmpdir/scmroot/filesystem'...
$ git reset --hard 1afd3978f10dc86b39f6d99e7fc3bb3dd89076f0
HEAD is now at 1afd397 add new -afs supbackage for /afs directory (#FPC888,#1720232)