$ git clone -n https://src.fedoraproject.org/rpms/vte291.git /var/lib/mock/f45-build-38202-722/root/chroot_tmpdir/scmroot/vte291
Cloning into '/var/lib/mock/f45-build-38202-722/root/chroot_tmpdir/scmroot/vte291'...
$ git fetch origin 1c4e5b9266aa6ac71c630eaa7f2ac6c8f778100a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vte291
 * [new ref]         1c4e5b9266aa6ac71c630eaa7f2ac6c8f778100a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1c4e5b9 Update to 0.84.1