feat(golang): Configure when the module is shown (#2325)

This makes it possible to configure when the golang module is shown
based on the contents of a directory. This should make it possible to
be a lot more granular when configuring the module.

2 files changed, 18 insertions, 22 deletions

diff --git a/src/configs/go.rs b/src/configs/go.rs
index 7bc77e7ed..b3a1c2a3d 100644
--- a/src/configs/go.rs
+++ b/src/configs/go.rs
@@ -8,6 +8,9 @@ pub struct GoConfig<'a> {
     pub symbol: &'a str,
     pub style: &'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 GoConfig<'a> {
@@ -17,6 +20,16 @@ impl<'a> RootModuleConfig<'a> for GoConfig<'a> {
             symbol: "🐹 ",
             style: "bold cyan",
             disabled: false,
+            detect_extensions: vec!["go"],
+            detect_files: vec![
+                "go.mod",
+                "go.sum",
+                "glide.yaml",
+                "Gopkg.yml",
+                "Gopkg.lock",
+                ".go-version",
+            ],
+            detect_folders: vec!["Godeps"],
         }
     }
 }
diff --git a/src/modules/golang.rs b/src/modules/golang.rs
index 77aa062f0..662462def 100644
--- a/src/modules/golang.rs
+++ b/src/modules/golang.rs
@@ -4,37 +4,20 @@ use crate::configs::go::GoConfig;
 use crate::formatter::StringFormatter;
 
 /// Creates a module with the current Go version
-///
-/// Will display the Go version if any of the following criteria are met:
-///     - Current directory contains a `go.mod` file
-///     - Current directory contains a `go.sum` file
-///     - Current directory contains a `glide.yaml` file
-///     - Current directory contains a `Gopkg.yml` file
-///     - Current directory contains a `Gopkg.lock` file
-///     - Current directory contains a `.go-version` file
-///     - Current directory contains a `Godeps` directory
-///     - Current directory contains a file with the `.go` extension
 pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
+    let mut module = context.new_module("golang");
+    let config = GoConfig::try_load(module.config);
     let is_go_project = context
         .try_begin_scan()?
-        .set_files(&[
-            "go.mod",
-            "go.sum",
-            "glide.yaml",
-            "Gopkg.yml",
-            "Gopkg.lock",
-            ".go-version",
-        ])
-        .set_extensions(&["go"])
-        .set_folders(&["Godeps"])
+        .set_files(&config.detect_files)
+        .set_extensions(&config.detect_extensions)
+        .set_folders(&config.detect_folders)
         .is_match();
 
     if !is_go_project {
         return None;
     }
 
-    let mut module = context.new_module("golang");
-    let config = GoConfig::try_load(module.config);
     let parsed = StringFormatter::new(config.format).and_then(|formatter| {
         formatter
             .map_meta(|var, _| match var {