$ git clone -n https://src.fedoraproject.org/rpms/f38-backgrounds.git /var/lib/mock/f38-build-side-42-init-devel-490312-24851/root/chroot_tmpdir/scmroot/f38-backgrounds
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-490312-24851/root/chroot_tmpdir/scmroot/f38-backgrounds'...
$ git reset --hard f448a36c116dadb51c67e24e4d54f7f7593bb505
HEAD is now at f448a36 Update to 38.1.1