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-rw-r--r--std/manual.md14
1 files changed, 13 insertions, 1 deletions
diff --git a/std/manual.md b/std/manual.md
index 6679bf6b4..0eb4fd64b 100644
--- a/std/manual.md
+++ b/std/manual.md
@@ -574,6 +574,10 @@ always bundle its dependencies. In Deno this is done by checking the `$DENO_DIR`
into your source control system, and specifying that path as the `$DENO_DIR`
environmental variable at runtime.
+**How can I trust a URL that may change** By using a lock file (using the
+`--lock` command line flag) you can ensure you're running the code you expect to
+be.
+
**How do you import to a specific version?** Simply specify the version in the
URL. For example, this URL fully specifies the code being run:
`https://unpkg.com/liltest@0.0.5/dist/liltest.js`. Combined with the
@@ -667,7 +671,7 @@ Use `deno help` to see the help text.
```
deno
-A secure runtime for JavaScript and TypeScript built with V8, Rust, and Tokio.
+A secure JavaScript and TypeScript runtime
Docs: https://deno.land/manual.html
Modules: https://deno.land/x/
@@ -704,6 +708,8 @@ OPTIONS:
--current-thread Use tokio::runtime::current_thread
-h, --help Prints help information
--importmap <FILE> Load import map file
+ --lock <FILE> Check the specified lock file
+ --lock-write Write lock file. Use with --lock.
-L, --log-level <log-level> Set log level [possible values: debug, info]
--no-fetch Do not download remote modules
-r, --reload=<CACHE_BLACKLIST> Reload source code cache (recompile TypeScript)
@@ -905,6 +911,12 @@ Proxy configuration is read from environmental variables: `HTTP_PROXY` and
In case of Windows if environmental variables are not found Deno falls back to
reading proxies from registry.
+## Lock file
+
+Deno can store and check module subresource integrity for modules using a small
+JSON file. Use the `--lock=lock.json` to enable and specify lock file checking.
+To update or create a lock use `--lock=lock.json --lock-write`.
+
## Import maps
Deno supports [import maps](https://github.com/WICG/import-maps).