From 86b3ac5108e2893091475a0318fcba6c14e19140 Mon Sep 17 00:00:00 2001
From: Ry Dahl <ry@tinyclouds.org>
Date: Sun, 3 Nov 2019 10:39:27 -0500
Subject: feat: lockfiles (#3231)

Use --lock-write=lock.json or --lock-check=lock.json on the command
line.
---
 cli/lib.rs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'cli/lib.rs')

diff --git a/cli/lib.rs b/cli/lib.rs
index 5e416c6ac..4f5319508 100644
--- a/cli/lib.rs
+++ b/cli/lib.rs
@@ -17,6 +17,7 @@ extern crate serde;
 extern crate serde_derive;
 extern crate url;
 
+mod checksum;
 pub mod colors;
 pub mod compilers;
 pub mod deno_dir;
@@ -32,6 +33,7 @@ mod http_body;
 mod http_util;
 mod import_map;
 mod js;
+mod lockfile;
 pub mod msg;
 pub mod ops;
 pub mod permissions;
@@ -362,6 +364,18 @@ fn run_script(flags: DenoFlags, argv: Vec<String>) {
 
     worker
       .execute_mod_async(&main_module, None, false)
+      .and_then(move |()| {
+        if state.flags.lock_write {
+          if let Some(ref lockfile) = state.lockfile {
+            let g = lockfile.lock().unwrap();
+            g.write()?;
+          } else {
+            eprintln!("--lock flag must be specified when using --lock-write");
+            std::process::exit(11);
+          }
+        }
+        Ok(())
+      })
       .and_then(move |()| {
         js_check(worker.execute("window.dispatchEvent(new Event('load'))"));
         worker.then(move |result| {
-- 
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