feat: Add DENO_NO_PROMPT variable

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;
@@ -443,6 +444,8 @@ 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)
@@ -2592,7 +2595,7 @@ fn permission_args_parse(flags: &mut Flags, matches: &clap::ArgMatches) {
     flags.allow_ffi = Some(vec![]);
     flags.allow_hrtime = true;
   }
-  if matches.is_present("no-prompt") {
+  if env::var("DENO_NO_PROMPT").is_ok() || matches.is_present("no-prompt") {
     flags.no_prompt = true;
   }
 }

cli/tests/integration/run_tests.rs

@@ -2613,3 +2613,23 @@ itest!(unstable_ffi_15 {
   output: "unstable_ffi_15.js.out",
   exit_code: 70,
 });
+
+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);
+}