$ git clone -n https://src.fedoraproject.org/rpms/rust-tree-sitter0.20.git /var/lib/mock/f42-build-side-1-3504275-45983/root/chroot_tmpdir/scmroot/rust-tree-sitter0.20
Cloning into '/var/lib/mock/f42-build-side-1-3504275-45983/root/chroot_tmpdir/scmroot/rust-tree-sitter0.20'...
$ git fetch origin bed1e1972cfb751631d79636153ada99d269597c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tree-sitter0.20
 * [new ref]         bed1e1972cfb751631d79636153ada99d269597c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bed1e19 compat package no longer needed