$ git clone -n https://src.fedoraproject.org/rpms/vala-language-server.git /var/lib/mock/f40-build-2044473-48712/root/chroot_tmpdir/scmroot/vala-language-server
Cloning into '/var/lib/mock/f40-build-2044473-48712/root/chroot_tmpdir/scmroot/vala-language-server'...
$ git fetch origin b76a662cf7f58ba7cfe64a52307dae38a35a3384:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/vala-language-server
 * [new ref]         b76a662cf7f58ba7cfe64a52307dae38a35a3384 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b76a662 update to 0.48.7 (#2172528)