$ git clone -n https://src.fedoraproject.org/rpms/abc.git /var/lib/mock/f37-build-667654-74609/root/chroot_tmpdir/scmroot/abc
Cloning into '/var/lib/mock/f37-build-667654-74609/root/chroot_tmpdir/scmroot/abc'...
$ git reset --hard 788a145c2e373b8b755dae4ee9d711eaa57ff417
HEAD is now at 788a145 Actually upload the new file.