$ git clone -n https://src.fedoraproject.org/rpms/nullmodem.git /var/lib/mock/f40-build-756167-118706/root/chroot_tmpdir/scmroot/nullmodem
Cloning into '/var/lib/mock/f40-build-756167-118706/root/chroot_tmpdir/scmroot/nullmodem'...
$ git reset --hard 6a4e8d5774f8c9c45f76b59ea4b0fcdf4f1c3b9c
HEAD is now at 6a4e8d5 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild