docs: Update README.md and command description (#200)

* Update README.md

* docs: Use official formula instead of brew tap

* docs: Add command sample image

* docs: nyan is now added homebrew-core

* chore: Update descriptions

Author: toshimaru

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
       - name: Normal Output Test
         run: go run main.go -- main.go
       # ref. https://github.com/gfx/example-github-actions-with-tty
-      - name: Colored Output Test
+      - name: Colorized Output Test
         if: runner.os == 'Linux'
         shell: 'script -q -e -c "bash {0}"'
         run: go run main.go -- main.go

.goreleaser.yml

@@ -30,7 +30,7 @@ builds:
       - -s -w -X github.com/toshimaru/nyan/cmd.version={{.Version}}
 
 checksum:
-  name_template: 'checksums.txt'
+  name_template: "checksums.txt"
 
 changelog:
   sort: asc
@@ -58,16 +58,15 @@ changelog:
       order: 99
 
 archives:
-  - name_template: '{{ .ProjectName }}_{{ title .Os }}_{{ .Arch }}'
+  - name_template: "{{ .ProjectName }}_{{ title .Os }}_{{ .Arch }}"
     format_overrides:
       - goos: windows
-        formats: [ zip ]
+        formats: [zip]
 
 homebrew_casks:
   - repository:
       owner: toshimaru
       name: homebrew-nyan
-    description: Colored cat command which supports syntax highlighting
+    description: Colorizing `cat` command with syntax highlighting
     homepage: https://github.com/toshimaru/nyan
     license: MIT
-

README.md

@@ -6,7 +6,7 @@
 
 # nyan
 
-Colored `cat` command which supports syntax highlighting.
+Colorizing `cat` command with syntax highlighting.
 
 ![OG image for nyan command](https://repository-images.githubusercontent.com/195893425/0a7e7dfc-3a80-49d5-8193-5482fe2e7848)
 
@@ -15,9 +15,34 @@ Colored `cat` command which supports syntax highlighting.
 ### Homebrew
 
 ```console
-$ brew install toshimaru/nyan/nyan
+$ brew install nyan
 ```
 
+> [!NOTE]
+> As of v1.2.0, `nyan` has been merged into [homebrew-core](https://github.com/Homebrew/homebrew-core). :tada:
+>
+> If you see:
+>
+> ```
+> Error: nyan was installed from the toshimaru/nyan tap
+> ```
+>
+> simply reinstall from the core tap:
+>
+> ```console
+> $ brew uninstall nyan
+> $ brew install nyan
+> ```
+
+<details>
+<summary><strong>Install via Homebrew Tap</strong></summary>
+
+```console
+$ brew install --cask toshimaru/nyan/nyan
+```
+
+</details>
+
 ### go get
 
 ```console
@@ -36,6 +61,8 @@ $ go install github.com/toshimaru/nyan@latest
 $ nyan FILE
 ```
 
+![nyan command sample](https://github.com/user-attachments/assets/ba6a3248-3f8f-49ab-b1b1-1e6c4a084a99)
+
 ### Available Options
 
 | Option | Description |

cmd/root.go

@@ -28,8 +28,8 @@ var (
 
 var rootCmd = &cobra.Command{
 	Use:   "nyan [flags] [FILE]...",
-	Short: "Colored cat command.",
-	Long:  "Colored cat command which supports syntax highlighting.",
+	Short: "Colorizing cat command.",
+	Long:  "Colorizing `cat` command with syntax highlighting.",
 	Example: `$ nyan FILE
 $ nyan FILE1 FILE2 FILE3
 $ nyan -t solarized-dark FILE