$ git clone -n https://src.fedoraproject.org/rpms/rust-servo_arc.git /var/lib/mock/f37-build-side-31-rust-devel-121217-6696/root/chroot_tmpdir/scmroot/rust-servo_arc
Cloning into '/var/lib/mock/f37-build-side-31-rust-devel-121217-6696/root/chroot_tmpdir/scmroot/rust-servo_arc'...
$ git reset --hard adeafdb399413c0e9077c85827fcd3ec14002bb1
HEAD is now at adeafdb Backport upstream patch to add license files (rhbz#2124361)