feat: Enable to display language version when .<lang>-version file exists. (#1028)

* adjust https://github.com/sonnym/elmenv

* adjust https://github.com/syndbg/goenv

* adjust https://github.com/jenv/jenv

* adjust https://github.com/nodenv/nodenv

* adjust https://github.com/phpenv/phpenv

* adjust https://github.com/rbenv/rbenv

* add description

* golang.rs is executed rustfmt

* add testcases

docs/config/README.md

@@ -470,6 +470,7 @@ The module will be shown if any of the following conditions are met:
 
 - The current directory contains a `elm.json` file
 - The current directory contains a `elm-package.json` file
+- The current directory contains a `.elm-version` file
 - The current directory contains a `elm-stuff` folder
 - The current directory contains a `*.elm` files
 
@@ -672,6 +673,7 @@ The module will be shown if any of the following conditions are met:
 - The current directory contains a `glide.yaml` file
 - The current directory contains a `Gopkg.yml` file
 - The current directory contains a `Gopkg.lock` file
+- The current directory contains a `.go-version` file
 - The current directory contains a `Godeps` directory
 - The current directory contains a file with the `.go` extension
 
@@ -749,7 +751,7 @@ disabled = false
 The `java` module shows the currently installed version of Java.
 The module will be shown if any of the following conditions are met:
 
-- The current directory contains a `pom.xml`, `build.gradle.kts` or `build.sbt` file
+- The current directory contains a `pom.xml`, `build.gradle.kts`, `build.sbt` or `.java-version` file
 - The current directory contains a file with the `.java`, `.class`, `.gradle` or `.jar` extension
 
 ### Options
@@ -973,6 +975,7 @@ The `nodejs` module shows the currently installed version of NodeJS.
 The module will be shown if any of the following conditions are met:
 
 - The current directory contains a `package.json` file
+- The current directory contains a `.node-version` file
 - The current directory contains a `node_modules` directory
 - The current directory contains a file with the `.js` extension
 
@@ -1036,6 +1039,7 @@ The `php` module shows the currently installed version of PHP.
 The module will be shown if any of the following conditions are met:
 
 - The current directory contains a `composer.json` file
+- The current directory contains a `.php-version` file
 - The current directory contains a `.php` file
 
 ### Options
@@ -1102,6 +1106,7 @@ The `ruby` module shows the currently installed version of Ruby.
 The module will be shown if any of the following conditions are met:
 
 - The current directory contains a `Gemfile` file
+- The current directory contains a `.ruby-version` file
 - The current directory contains a `.rb` file
 
 ### Options

src/modules/elm.rs

@@ -8,12 +8,13 @@ use crate::utils;
 /// Will display the Elm version if any of the following criteria are met:
 ///     - The current directory contains a `elm.json` file
 ///     - The current directory contains a `elm-package.json` file
+///     - The current directory contains a `.elm-version` file
 ///     - The current directory contains a `elm-stuff` folder
 ///     - The current directory contains a `*.elm` files
 pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
     let is_elm_project = context
         .try_begin_scan()?
-        .set_files(&["elm.json", "elm-package.json"])
+        .set_files(&["elm.json", "elm-package.json", ".elm-version"])
         .set_extensions(&["elm"])
         .set_folders(&["elm-stuff"])
         .is_match();
@@ -72,6 +73,16 @@ mod tests {
         dir.close()
     }
 
+    #[test]
+    fn folder_with_elm_version() -> io::Result<()> {
+        let dir = tempfile::tempdir()?;
+        File::create(dir.path().join(".elm-version"))?.sync_all()?;
+        let actual = render_module("elm", dir.path());
+        let expected = Some(format!("via {} ", Color::Cyan.bold().paint("🌳 v0.19.1")));
+        assert_eq!(expected, actual);
+        dir.close()
+    }
+
     #[test]
     fn folder_with_elm_stuff_directory() -> io::Result<()> {
         let dir = tempfile::tempdir()?;

src/modules/golang.rs

@@ -11,12 +11,20 @@ use crate::utils;
 ///     - 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 is_go_project = context
         .try_begin_scan()?
-        .set_files(&["go.mod", "go.sum", "glide.yaml", "Gopkg.yml", "Gopkg.lock"])
+        .set_files(&[
+            "go.mod",
+            "go.sum",
+            "glide.yaml",
+            "Gopkg.yml",
+            "Gopkg.lock",
+            ".go-version",
+        ])
         .set_extensions(&["go"])
         .set_folders(&["Godeps"])
         .is_match();
@@ -157,6 +165,16 @@ mod tests {
         assert_eq!(expected, actual);
         dir.close()
     }
+    #[test]
+    fn folder_with_go_version() -> io::Result<()> {
+        let dir = tempfile::tempdir()?;
+        File::create(dir.path().join(".go-version"))?.sync_all()?;
+
+        let actual = render_module("golang", dir.path());
+        let expected = Some(format!("via {} ", Color::Cyan.bold().paint("🐹 v1.12.1")));
+        assert_eq!(expected, actual);
+        dir.close()
+    }
 
     #[test]
     fn test_format_go_version() {

src/modules/java.rs

@@ -9,11 +9,11 @@ use crate::utils;
 ///
 /// Will display the Java version if any of the following criteria are met:
 ///     - Current directory contains a file with a `.java`, `.class`, `.gradle` or `.jar` extension
-///     - Current directory contains a `pom.xml`, `build.gradle.kts` or `build.sbt` file
+///     - Current directory contains a `pom.xml`, `build.gradle.kts`, `build.sbt` or `.java-version` file
 pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
     let is_java_project = context
         .try_begin_scan()?
-        .set_files(&["pom.xml", "build.gradle.kts", "build.sbt"])
+        .set_files(&["pom.xml", "build.gradle.kts", "build.sbt", ".java-version"])
         .set_extensions(&["java", "class", "jar", "gradle"])
         .is_match();
 

src/modules/nodejs.rs

@@ -7,12 +7,12 @@ use crate::utils;
 ///
 /// Will display the Node.js version if any of the following criteria are met:
 ///     - Current directory contains a `.js` file
-///     - Current directory contains a `package.json` file
+///     - Current directory contains a `package.json` or `.node-version` file
 ///     - Current directory contains a `node_modules` directory
 pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
     let is_js_project = context
         .try_begin_scan()?
-        .set_files(&["package.json"])
+        .set_files(&["package.json", ".node-version"])
         .set_extensions(&["js"])
         .set_folders(&["node_modules"])
         .is_match();
@@ -63,6 +63,17 @@ mod tests {
         dir.close()
     }
 
+    #[test]
+    fn folder_with_node_version() -> io::Result<()> {
+        let dir = tempfile::tempdir()?;
+        File::create(dir.path().join(".node-version"))?.sync_all()?;
+
+        let actual = render_module("nodejs", dir.path());
+        let expected = Some(format!("via {} ", Color::Green.bold().paint("⬢ v12.0.0")));
+        assert_eq!(expected, actual);
+        dir.close()
+    }
+
     #[test]
     fn folder_with_js_file() -> io::Result<()> {
         let dir = tempfile::tempdir()?;

src/modules/php.rs

@@ -7,11 +7,11 @@ use crate::utils;
 ///
 /// Will display the PHP version if any of the following criteria are met:
 ///     - Current directory contains a `.php` file
-///     - Current directory contains a `composer.json` file
+///     - Current directory contains a `composer.json` or `.php-version` file
 pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
     let is_php_project = context
         .try_begin_scan()?
-        .set_files(&["composer.json"])
+        .set_files(&["composer.json", ".php-version"])
         .set_extensions(&["php"])
         .is_match();
 
@@ -92,6 +92,21 @@ mod tests {
         dir.close()
     }
 
+    #[test]
+    fn folder_with_php_version() -> io::Result<()> {
+        let dir = tempfile::tempdir()?;
+        File::create(dir.path().join(".php-version"))?.sync_all()?;
+
+        let actual = render_module("php", dir.path());
+
+        let expected = Some(format!(
+            "via {} ",
+            Color::Fixed(147).bold().paint("🐘 v7.3.8")
+        ));
+        assert_eq!(expected, actual);
+        dir.close()
+    }
+
     #[test]
     fn folder_with_php_file() -> io::Result<()> {
         let dir = tempfile::tempdir()?;

src/modules/ruby.rs

@@ -7,11 +7,11 @@ use crate::utils;
 ///
 /// Will display the Ruby version if any of the following criteria are met:
 ///     - Current directory contains a `.rb` file
-///     - Current directory contains a `Gemfile` file
+///     - Current directory contains a `Gemfile` or `.ruby-version` file
 pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> {
     let is_rb_project = context
         .try_begin_scan()?
-        .set_files(&["Gemfile"])
+        .set_files(&["Gemfile", ".ruby-version"])
         .set_extensions(&["rb"])
         .is_match();
 
@@ -78,6 +78,18 @@ mod tests {
         dir.close()
     }
 
+    #[test]
+    fn folder_with_ruby_version() -> io::Result<()> {
+        let dir = tempfile::tempdir()?;
+        File::create(dir.path().join(".ruby-version"))?.sync_all()?;
+
+        let actual = render_module("ruby", dir.path());
+
+        let expected = Some(format!("via {} ", Color::Red.bold().paint("💎 v2.5.1")));
+        assert_eq!(expected, actual);
+        dir.close()
+    }
+
     #[test]
     fn folder_with_rb_file() -> io::Result<()> {
         let dir = tempfile::tempdir()?;