From 1a6c625521510fee059bec168e73a49aef834c8c Mon Sep 17 00:00:00 2001
From: Thomas O'Donnell <andytom@users.noreply.github.com>
Date: Sun, 21 Feb 2021 19:56:48 +0100
Subject: [PATCH] feat(kotlin): Configure when the module is shown (#2359)

This makes it possible to configure when the kotlin module is shown
based on the contents of a directory.
---
 docs/config/README.md | 19 +++++++++++--------
 src/configs/kotlin.rs |  6 ++++++
 src/modules/kotlin.rs | 12 ++++++------
 3 files changed, 23 insertions(+), 14 deletions(-)

diff --git a/docs/config/README.md b/docs/config/README.md
index d456abd8b..6d54249c2 100644
--- a/docs/config/README.md
+++ b/docs/config/README.md
@@ -1472,19 +1472,22 @@ symbol = "∴ "
 ## Kotlin
 
 The `kotlin` module shows the currently installed version of Kotlin.
-The module will be shown if any of the following conditions are met:
+By default the module will be shown if any of the following conditions are met:
 
 - The current directory contains a `.kt` or a `.kts` file
 
 ### Options
 
-| Option          | Default                              | Description                                                                   |
-| --------------- | ------------------------------------ | ----------------------------------------------------------------------------- |
-| `format`        | `"via [$symbol($version )]($style)"` | The format for the module.                                                    |
-| `symbol`        | `"🅺 "`                              | A format string representing the symbol of Kotlin.                            |
-| `style`         | `"bold blue"`                        | The style for the module.                                                     |
-| `kotlin_binary` | `"kotlin"`                           | Configures the kotlin binary that Starship executes when getting the version. |
-| `disabled`      | `false`                              | Disables the `kotlin` module.                                                 |
+| Option              | Default                              | Description                                                                   |
+| ------------------- | ------------------------------------ | ----------------------------------------------------------------------------- |
+| `format`            | `"via [$symbol($version )]($style)"` | The format for the module.                                                    |
+| `detect_extensions` | `["kt", "kts"]`                      | Which extensions should trigger this module.                                  |
+| `detect_files`      | `[]`                                 | Which filenames should trigger this module.                                   |
+| `detect_folders`    | `[]`                                 | Which folders should trigger this modules.                                    |
+| `symbol`            | `"🅺 "`                              | A format string representing the symbol of Kotlin.                            |
+| `style`             | `"bold blue"`                        | The style for the module.                                                     |
+| `kotlin_binary`     | `"kotlin"`                           | Configures the kotlin binary that Starship executes when getting the version. |
+| `disabled`          | `false`                              | Disables the `kotlin` module.                                                 |
 
 ### Variables
 
diff --git a/src/configs/kotlin.rs b/src/configs/kotlin.rs
index 33763a9fd..3ff15b330 100644
--- a/src/configs/kotlin.rs
+++ b/src/configs/kotlin.rs
@@ -9,6 +9,9 @@ pub struct KotlinConfig<'a> {
     pub style: &'a str,
     pub kotlin_binary: &'a str,
     pub disabled: bool,
+    pub detect_extensions: Vec<&'a str>,
+    pub detect_files: Vec<&'a str>,
+    pub detect_folders: Vec<&'a str>,
 }
 
 impl<'a> RootModuleConfig<'a> for KotlinConfig<'a> {
@@ -19,6 +22,9 @@ impl<'a> RootModuleConfig<'a> for KotlinConfig<'a> {
             style: "bold blue",
             kotlin_binary: "kotlin",
             disabled: false,
+            detect_extensions: vec!["kt", "kts"],
+            detect_files: vec![],
+            detect_folders: vec![],
         }
     }
 }
diff --git a/src/modules/kotlin.rs b/src/modules/kotlin.rs
index bebfb03aa..94015fa30 100644
--- a/src/modules/kotlin.rs
+++ b/src/modules/kotlin.rs
@@ -7,21 +7,21 @@ use regex::Regex;
 const KOTLIN_VERSION_PATTERN: &str = "(?P<version>[\\d\\.]+[\\d\\.]+[\\d\\.]+)";
 
 /// Creates a module with the current Kotlin version
-///
-/// Will display the Kotlin version if any of the following criteria are met:
-///     - Current directory contains a file with a `.kt` or `.kts` extension
 pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
+    let mut module = context.new_module("kotlin");
+    let config = KotlinConfig::try_load(module.config);
+
     let is_kotlin_project = context
         .try_begin_scan()?
-        .set_extensions(&["kt", "kts"])
+        .set_files(&config.detect_files)
+        .set_extensions(&config.detect_extensions)
+        .set_folders(&config.detect_folders)
         .is_match();
 
     if !is_kotlin_project {
         return None;
     }
 
-    let mut module = context.new_module("kotlin");
-    let config = KotlinConfig::try_load(module.config);
     let parsed = StringFormatter::new(config.format).and_then(|formatter| {
         formatter
             .map_meta(|var, _| match var {