init

build.rs

@@ -0,0 +1,20 @@
+use clap::CommandFactory;
+use clap_complete::Shell;
+use std::{fs, path::Path};
+
+include!("src/cli.rs");
+
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let outdir = std::env::var_os("SHELL_COMPLETIONS_DIR")
+        .or_else(|| std::env::var_os("OUT_DIR"))
+        .expect("OUT_DIR not found");
+    let outdir_path = Path::new(&outdir);
+    let app = &mut App::command();
+
+    for shell in Shell::value_variants() {
+        let dir = outdir_path.join(shell.to_string());
+        fs::create_dir_all(&dir)?;
+        clap_complete::generate_to(*shell, app, app.get_name().to_string(), &dir)?;
+    }
+    Ok(())
+}