feat: support crystal language

docs/docs/segment-crystal.md

@@ -0,0 +1,33 @@
+---
+id: crystal
+title: Crystal
+sidebar_label: Crystal
+---
+
+## What
+
+Display the currently active crystal version.
+
+## Sample Configuration
+
+```json
+{
+  "type": "crystal",
+  "style": "powerline",
+  "powerline_symbol": "\uE0B0",
+  "foreground": "#ffffff",
+  "background": "#4063D8",
+  "properties": {
+    "prefix": " \uE370 "
+  }
+}
+```
+
+## Properties
+
+- display_version: `boolean` - display the julia version - defaults to `true`
+- display_error: `boolean` - show the error context when failing to retrieve the version information - defaults to `true`
+- missing_command_text: `string` - text to display when the command is missing - defaults to empty
+- display_mode: `string` - determines when the segment is displayed
+  - `always`: the segment is always displayed
+  - `files`: the segment is only displayed when `*.cr` or `shard.yml` files are present (default)

docs/sidebars.js

@@ -32,6 +32,7 @@ module.exports = {
         "azfunc",
         "battery",
         "command",
+        "crystal",
         "dotnet",
         "environment",
         "executiontime",

src/segment.go

@@ -111,6 +111,8 @@ const (
 	PoshGit SegmentType = "poshgit"
 	// AZFunc writes current AZ func version
 	AZFunc SegmentType = "azfunc"
+	// Crystal writes the active crystal version
+	Crystal SegmentType = "crystal"
 )
 
 func (segment *Segment) string() string {
@@ -236,6 +238,7 @@ func (segment *Segment) mapSegmentWithWriter(env environmentInfo) error {
 		Java:          &java{},
 		PoshGit:       &poshgit{},
 		AZFunc:        &azfunc{},
+		Crystal:       &crystal{},
 	}
 	if writer, ok := functions[segment.Type]; ok {
 		props := &properties{

src/segment_crystal.go

@@ -0,0 +1,29 @@
+package main
+
+type crystal struct {
+	language *language
+}
+
+func (c *crystal) string() string {
+	return c.language.string()
+}
+
+func (c *crystal) init(props *properties, env environmentInfo) {
+	c.language = &language{
+		env:        env,
+		props:      props,
+		extensions: []string{"*.cr", "shard.yml"},
+		commands: []*cmd{
+			{
+				executable: "crystal",
+				args:       []string{"--version"},
+				regex:      `Crystal (?P<version>((?P<major>[0-9]+).(?P<minor>[0-9]+).(?P<patch>[0-9]+)))`,
+			},
+		},
+		versionURLTemplate: "[%s](https://github.com/crystal-lang/crystal/releases/tag/%s.%s.%s)",
+	}
+}
+
+func (c *crystal) enabled() bool {
+	return c.language.enabled()
+}

themes/schema.json

@@ -152,7 +152,8 @@
             "aws",
             "java",
             "poshgit",
-            "azfunc"
+            "azfunc",
+            "crystal"
           ]
         },
         "style": {
@@ -690,6 +691,32 @@
             }
           }
         },
+        {
+          "if": {
+            "properties": {
+              "type": { "const": "crystal" }
+            }
+          },
+          "then": {
+            "title": "Crystal Segment",
+            "description": "https://ohmyposh.dev/docs/crystal",
+            "properties": {
+              "properties": {
+                "properties": {
+                  "display_version": {
+                    "$ref": "#/definitions/display_version"
+                  },
+                  "display_mode": {
+                    "$ref": "#/definitions/display_mode"
+                  },
+                  "missing_command_text": {
+                    "$ref": "#/definitions/missing_command_text"
+                  }
+                }
+              }
+            }
+          }
+        },
         {
           "if": {
             "properties": {