$ git clone -n https://src.fedoraproject.org/rpms/libserf.git /var/lib/mock/f40-build-762971-122283/root/chroot_tmpdir/scmroot/libserf
Cloning into '/var/lib/mock/f40-build-762971-122283/root/chroot_tmpdir/scmroot/libserf'...
$ git reset --hard cf8573cae29cae52ecd6cc7ff2a21faa4b1bc88c
HEAD is now at cf8573c Add linking of gssapi to support Kerberos authentication