$ git clone -n https://src.fedoraproject.org/rpms/rust-sync_wrapper.git /var/lib/mock/f38-build-side-42-init-devel-1396459-31050/root/chroot_tmpdir/scmroot/rust-sync_wrapper
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1396459-31050/root/chroot_tmpdir/scmroot/rust-sync_wrapper'...
$ git fetch origin 2cb44ca373ac38176b545b3debdc7bae28cf5d73:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sync_wrapper
 * [new ref]         2cb44ca373ac38176b545b3debdc7bae28cf5d73 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2cb44ca Initial import (#2214389)