feat(unstable): clean environmental variables for subprocess (#11571)

This commit adds "Deno.RunOptions.clearEnv" option, that allows
to clear environmental variables from parent process before spawning
a subprocess.

1 files changed, 6 insertions, 0 deletions

diff --git a/runtime/ops/process.rs b/runtime/ops/process.rs
index 679deff98..0f0cc6e2a 100644
--- a/runtime/ops/process.rs
+++ b/runtime/ops/process.rs
@@ -61,6 +61,7 @@ fn subprocess_stdio_map(s: &str) -> Result<std::process::Stdio, AnyError> {
 pub struct RunArgs {
   cmd: Vec<String>,
   cwd: Option<String>,
+  clear_env: bool,
   env: Vec<(String, String)>,
   stdin: String,
   stdout: String,
@@ -113,6 +114,11 @@ fn op_run(
     c.arg(arg);
   });
   cwd.map(|d| c.current_dir(d));
+
+  if run_args.clear_env {
+    super::check_unstable(state, "Deno.run.clearEnv");
+    c.env_clear();
+  }
   for (key, value) in &env {
     c.env(key, value);
   }