$ git clone -n https://src.fedoraproject.org/rpms/tree-sitter.git /var/lib/mock/f40-build-788393-135139/root/chroot_tmpdir/scmroot/tree-sitter
Cloning into '/var/lib/mock/f40-build-788393-135139/root/chroot_tmpdir/scmroot/tree-sitter'...
$ git fetch origin 67e9bc2582e4a12da81069e8f2642f9e23c3d1bd:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tree-sitter
 * [new ref]         67e9bc2582e4a12da81069e8f2642f9e23c3d1bd -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 67e9bc2 Update to version 0.21.0