$ git clone -n https://src.fedoraproject.org/rpms/rust-once_cell.git /var/lib/mock/f38-build-side-42-init-devel-446016-20745/root/chroot_tmpdir/scmroot/rust-once_cell
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-446016-20745/root/chroot_tmpdir/scmroot/rust-once_cell'...
$ git reset --hard 9fdc90e5bccbd09b855c9eb787d24cac7bdc2db6
HEAD is now at 9fdc90e Update to version 1.17.1; Fixes RHBZ#2169769