From 8b6c0900d6d301eb2791a7300acfdf1cb7fcce8d Mon Sep 17 00:00:00 2001
From: Minijackson <minijackson@riseup.net>
Date: Tue, 4 Sep 2018 19:30:02 +0200
Subject: Separate CLI + auto-generate completion at build time

---
 build.rs | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'build.rs')

diff --git a/build.rs b/build.rs
index 23c7d3f..b797f9a 100644
--- a/build.rs
+++ b/build.rs
@@ -1,5 +1,28 @@
 extern crate lalrpop;
 
+#[macro_use]
+extern crate clap;
+extern crate clap_log_flag;
+extern crate clap_verbosity_flag;
+#[macro_use]
+extern crate structopt;
+
+use structopt::StructOpt;
+
+use clap::Shell;
+
+use std::env;
+
+#[path = "src/cli.rs"]
+mod cli;
+
 fn main() {
     lalrpop::process_root().unwrap();
+
+    let outdir = env::var_os("OUT_DIR").expect("OUT_DIR environment variable not defined");
+
+    let mut app = cli::Cli::clap();
+    app.gen_completions("set_eq", Shell::Bash, &outdir);
+    app.gen_completions("set_eq", Shell::Fish, &outdir);
+    app.gen_completions("set_eq", Shell::Zsh, &outdir);
 }
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