$ git clone -n https://src.fedoraproject.org/rpms/rust-vte.git /var/lib/mock/f39-build-2170765-51030/root/chroot_tmpdir/scmroot/rust-vte
Cloning into '/var/lib/mock/f39-build-2170765-51030/root/chroot_tmpdir/scmroot/rust-vte'...
$ git fetch origin f6ac6b7ac877dedf979a03d342409b195cba9b9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-vte
 * [new ref]         f6ac6b7ac877dedf979a03d342409b195cba9b9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f6ac6b7 Update to 0.13.0 (rhbz#2240776)