feat: Add DENO_NO_PROMPT variable

cli/Cargo.toml

@@ -57,7 +57,7 @@ atty = "=0.2.14"
 base64 = "=0.13.0"
 cache_control = "=0.2.0"
 chrono = "=0.4.19"
-clap = "=3.1.6"
+clap = { version = "=3.1.6", features = ["env"] }
 clap_complete = "=3.1.1"
 clap_complete_fig = "=3.1.4"
 data-url = "=0.1.1"

cli/flags.rs

@@ -12,6 +12,7 @@ use deno_runtime::permissions::PermissionsOptions;
 use log::debug;
 use log::Level;
 use once_cell::sync::Lazy;
+use std::env;
 use std::net::SocketAddr;
 use std::num::NonZeroU32;
 use std::num::NonZeroU8;
@@ -474,6 +475,8 @@ static ENV_VARIABLES_HELP: &str = r#"ENVIRONMENT VARIABLES:
     DENO_DIR             Set the cache directory
     DENO_INSTALL_ROOT    Set deno install's output directory
                          (defaults to $HOME/.deno/bin)
+    DENO_NO_PROMPT       Set to disable permission prompts on access
+                         (alternative to passing --no-prompt on invocation)
     DENO_WEBGPU_TRACE    Directory to use for wgpu traces
     HTTP_PROXY           Proxy address for HTTP requests
                          (module downloads, fetch)
@@ -1679,7 +1682,7 @@ fn compile_args_without_no_check(app: Command) -> Command {
 }
 
 fn permission_args(app: Command) -> Command {
-  app
+  let app = app
     .arg(
       Arg::new("allow-read")
         .long("allow-read")
@@ -1760,12 +1763,13 @@ fn permission_args(app: Command) -> Command {
     )
     .arg(Arg::new("prompt").long("prompt").hide(true).help(
       "deprecated: Fallback to prompt if required permission wasn't passed",
-    ))
-    .arg(
-      Arg::new("no-prompt")
-        .long("no-prompt")
-        .help("Always throw if required permission wasn't passed"),
-    )
+    ));
+  let no_prompt_arg = Arg::new("no-prompt")
+    .long("no-prompt")
+    .help("Always throw if required permission wasn't passed");
+  #[cfg(not(test))]
+  let no_prompt_arg = no_prompt_arg.env("DENO_NO_PROMPT");
+  app.arg(no_prompt_arg)
 }
 
 fn runtime_args(

cli/tests/integration/run_tests.rs

@@ -2685,3 +2685,23 @@ itest!(future_check2 {
   output: "future_check2.out",
   envs: vec![("DENO_FUTURE_CHECK".to_string(), "1".to_string())],
 });
+
+itest!(no_prompt_flag {
+  args: "run --quiet --unstable --no-prompt no_prompt.ts",
+  output_str: Some(""),
+});
+
+#[test]
+fn deno_no_prompt_environment_variable() {
+  let output = util::deno_cmd()
+    .current_dir(util::testdata_path())
+    .arg("run")
+    .arg("--unstable")
+    .arg("no_prompt.ts")
+    .env("DENO_NO_PROMPT", "1")
+    .spawn()
+    .unwrap()
+    .wait_with_output()
+    .unwrap();
+  assert!(output.status.success());
+}

cli/tests/testdata/no_prompt.ts

@@ -0,0 +1,10 @@
+new Worker("data:,setTimeout(() => Deno.exit(2), 200)", {
+  type: "module",
+  deno: { namespace: true },
+});
+
+try {
+  await Deno.run({ cmd: ["ps"] });
+} catch {
+  Deno.exit(0);
+}