Load environment file from dotenv-path relative to working directory (#2152)

Author: casey

src/load_dotenv.rs

@@ -24,8 +24,9 @@ pub(crate) fn load_dotenv(
   }
 
   if let Some(path) = dotenv_path {
+    let path = working_directory.join(path);
     if path.is_file() {
-      return load_from_file(&working_directory.join(path));
+      return load_from_file(&path);
     }
   }
 

tests/dotenv.rs

@@ -360,6 +360,7 @@ fn no_dotenv() {
     .stderr("echo DEFAULT\n")
     .run();
 }
+
 #[test]
 fn dotenv_env_var_override() {
   Test::new()
@@ -375,3 +376,21 @@ fn dotenv_env_var_override() {
     .stderr("echo $DOTENV_KEY\n")
     .run();
 }
+
+#[test]
+fn dotenv_path_usable_from_subdir() {
+  Test::new()
+    .justfile(
+      "
+        set dotenv-path := '.custom-env'
+
+        @echo:
+          echo $DOTENV_KEY
+      ",
+    )
+    .create_dir("sub")
+    .current_dir("sub")
+    .write(".custom-env", "DOTENV_KEY=dotenv-value")
+    .stdout("dotenv-value\n")
+    .run();
+}

tests/test.rs

@@ -94,6 +94,11 @@ impl Test {
     self
   }
 
+  pub(crate) fn create_dir(self, path: impl AsRef<Path>) -> Self {
+    fs::create_dir_all(self.tempdir.path().join(path.as_ref())).unwrap();
+    self
+  }
+
   pub(crate) fn current_dir(mut self, path: impl AsRef<Path>) -> Self {
     path.as_ref().clone_into(&mut self.current_dir);
     self