feat: add vala segment

resolves #3329

src/engine/segment.go

@@ -216,6 +216,8 @@ const (
 	TIME SegmentType = "time"
 	// UI5 Tooling segment
 	UI5TOOLING SegmentType = "ui5tooling"
+	// VALA writes the active vala version
+	VALA SegmentType = "vala"
 	// WAKATIME writes tracked time spend in dev editors
 	WAKATIME SegmentType = "wakatime"
 	// WINREG queries the Windows registry.
@@ -292,6 +294,7 @@ var Segments = map[SegmentType]func() SegmentWriter{
 	TEXT:          func() SegmentWriter { return &segments.Text{} },
 	TIME:          func() SegmentWriter { return &segments.Time{} },
 	UI5TOOLING:    func() SegmentWriter { return &segments.UI5Tooling{} },
+	VALA:          func() SegmentWriter { return &segments.Vala{} },
 	WAKATIME:      func() SegmentWriter { return &segments.Wakatime{} },
 	WINREG:        func() SegmentWriter { return &segments.WindowsRegistry{} },
 	WITHINGS:      func() SegmentWriter { return &segments.Withings{} },

src/segments/vala.go

@@ -0,0 +1,34 @@
+package segments
+
+import (
+	"github.com/jandedobbeleer/oh-my-posh/src/platform"
+	"github.com/jandedobbeleer/oh-my-posh/src/properties"
+)
+
+type Vala struct {
+	language
+}
+
+func (v *Vala) Template() string {
+	return languageTemplate
+}
+
+func (v *Vala) Init(props properties.Properties, env platform.Environment) {
+	v.language = language{
+		env:        env,
+		props:      props,
+		extensions: []string{"*.vala"},
+		commands: []*cmd{
+			{
+				executable: "vala",
+				args:       []string{"--version"},
+				regex:      `Vala (?P<version>((?P<major>[0-9]+).(?P<minor>[0-9]+).(?P<patch>[0-9]+)))`,
+			},
+		},
+		versionURLTemplate: "https://gitlab.gnome.org/GNOME/vala/raw/{{ .Major }}.{{ .Minor }}/NEWS",
+	}
+}
+
+func (v *Vala) Enabled() bool {
+	return v.language.Enabled()
+}

src/segments/vala_test.go

@@ -0,0 +1,35 @@
+package segments
+
+import (
+	"fmt"
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestVala(t *testing.T) {
+	cases := []struct {
+		Case           string
+		ExpectedString string
+		Version        string
+	}{
+		{
+			Case:           "vala 0.48.17",
+			ExpectedString: "0.48.17",
+			Version:        "Vala 0.48.17",
+		},
+	}
+	for _, tc := range cases {
+		params := &mockedLanguageParams{
+			cmd:           "vala",
+			versionParam:  "--version",
+			versionOutput: tc.Version,
+			extension:     "*.vala",
+		}
+		env, props := getMockedLanguageEnv(params)
+		v := &Vala{}
+		v.Init(props, env)
+		assert.True(t, v.Enabled(), fmt.Sprintf("Failed in case: %s", tc.Case))
+		assert.Equal(t, tc.ExpectedString, renderTemplate(env, v.Template(), v), fmt.Sprintf("Failed in case: %s", tc.Case))
+	}
+}

themes/schema.json

@@ -2672,6 +2672,37 @@
             }
           }
         },
+        {
+          "if": {
+            "properties": {
+              "type": {
+                "const": "vala"
+              }
+            }
+          },
+          "then": {
+            "title": "Vala Segment",
+            "description": "https://ohmyposh.dev/docs/segments/vala",
+            "properties": {
+              "properties": {
+                "properties": {
+                  "home_enabled": {
+                    "$ref": "#/definitions/home_enabled"
+                  },
+                  "fetch_version": {
+                    "$ref": "#/definitions/fetch_version"
+                  },
+                  "display_mode": {
+                    "$ref": "#/definitions/display_mode"
+                  },
+                  "missing_command_text": {
+                    "$ref": "#/definitions/missing_command_text"
+                  }
+                }
+              }
+            }
+          }
+        },
         {
           "if": {
             "properties": {

website/docs/segments/vala.mdx

@@ -0,0 +1,55 @@
+---
+id: vala
+title: Vala
+sidebar_label: Vala
+---
+
+## What
+
+Display the currently active vala version.
+
+## Sample Configuration
+
+```json
+{
+  "type": "vala",
+  "style": "powerline",
+  "powerline_symbol": "\uE0B0",
+  "foreground": "#ffffff",
+  "background": "#5E20A4",
+  "template": " \ue69e {{ .Full }} "
+}
+```
+
+## Properties
+
+| Name                   | Type      | Description                                                                                                                                              |
+| ---------------------- | --------- | -------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| `home_enabled`         | `boolean` | display the segment in the HOME folder or not - defaults to `false`                                                                                      |
+| `fetch_version`        | `boolean` | fetch the flutter version - defaults to `true`                                                                                                           |
+| `missing_command_text` | `string`  | text to display when the command is missing - defaults to empty                                                                                          |
+| `display_mode`         | `string`  | <ul><li>`always`: the segment is always displayed</li><li>`files`: the segment is only displayed when `*.vala` files are present (**default**)</li></ul> |
+| `version_url_template` | `string`  | a go [text/template][go-text-template] [template][templates] that creates the URL of the version info / release notes                                    |
+
+## Template ([info][templates])
+
+:::note default template
+
+```template
+{{ if .Error }}{{ .Error }}{{ else }}{{ .Full }}{{ end }}
+```
+
+:::
+
+### Properties
+
+| Name     | Type     | Description                                        |
+| -------- | -------- | -------------------------------------------------- |
+| `.Full`  | `string` | the full version                                   |
+| `.Major` | `string` | major number                                       |
+| `.Minor` | `string` | minor number                                       |
+| `.URL`   | `string` | URL of the version info / release notes            |
+| `.Error` | `string` | error encountered when fetching the version string |
+
+[go-text-template]: https://golang.org/pkg/text/template/
+[templates]: /docs/configuration/templates

website/sidebars.js

@@ -112,6 +112,7 @@ module.exports = {
         "segments/text",
         "segments/time",
         "segments/ui5tooling",
+        "segments/vala",
         "segments/wakatime",
         "segments/withings",
         "segments/winreg",