$ git clone -n https://src.fedoraproject.org/rpms/helix.git /var/lib/mock/f41-build-side-1-3063617-38514/root/chroot_tmpdir/scmroot/helix
Cloning into '/var/lib/mock/f41-build-side-1-3063617-38514/root/chroot_tmpdir/scmroot/helix'...
$ git fetch origin 1ff1c12bb2323042e69d1b52f2ac92c019883d40:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/helix
 * [new ref]         1ff1c12bb2323042e69d1b52f2ac92c019883d40 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1ff1c12 Update tree-sitter dependency to 0.23