$ git clone -n https://src.fedoraproject.org/rpms/vte291.git /var/lib/mock/f42-build-side-1-3586470-46917/root/chroot_tmpdir/scmroot/vte291
Cloning into '/var/lib/mock/f42-build-side-1-3586470-46917/root/chroot_tmpdir/scmroot/vte291'...
$ git fetch origin e35ad729111a4ce403fe24a4c9923ed383cb39b7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vte291
 * [new ref]         e35ad729111a4ce403fe24a4c9923ed383cb39b7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e35ad72 Update to 0.80.3