feat(unstable/task): add `INIT_CWD` env var (#16110)

1 files changed, 12 insertions, 1 deletions

diff --git a/cli/tools/task.rs b/cli/tools/task.rs
index 88a0f5be0..4b05a37e5 100644
--- a/cli/tools/task.rs
+++ b/cli/tools/task.rs
@@ -70,7 +70,18 @@ pub async fn execute_script(
     );
     let seq_list = deno_task_shell::parser::parse(script)
       .with_context(|| format!("Error parsing script '{}'.", task_name))?;
-    let env_vars = std::env::vars().collect::<HashMap<String, String>>();
+
+    // get the starting env vars (the PWD env var will be set by deno_task_shell)
+    let mut env_vars = std::env::vars().collect::<HashMap<String, String>>();
+    const INIT_CWD_NAME: &str = "INIT_CWD";
+    if !env_vars.contains_key(INIT_CWD_NAME) {
+      if let Ok(cwd) = std::env::current_dir() {
+        // if not set, set an INIT_CWD env var that has the cwd
+        env_vars
+          .insert(INIT_CWD_NAME.to_string(), cwd.to_string_lossy().to_string());
+      }
+    }
+
     let exit_code = deno_task_shell::execute(seq_list, env_vars, &cwd).await;
     Ok(exit_code)
   } else {