Add goreleaser

Author: avoidik

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: CI
 
 on:
   push:
-    branches: [main, master]
+    branches: [master]
   pull_request:
 
 jobs:

.github/workflows/release.yml

@@ -0,0 +1,28 @@
+name: Release
+
+on:
+  push:
+    tags: ["v*"]
+
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-go@v5
+        with:
+          go-version-file: go.mod
+          cache: true
+
+      - uses: goreleaser/goreleaser-action@v6
+        with:
+          version: "~> v2"
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -1,2 +1,3 @@
 /cshell
+/dist/
 *.out

.goreleaser.yaml

@@ -0,0 +1,45 @@
+# GoReleaser configuration — https://goreleaser.com
+version: 2
+
+before:
+  hooks:
+    - go mod tidy
+
+builds:
+  - id: cshell
+    main: .
+    binary: cshell
+    env:
+      - CGO_ENABLED=0
+    flags:
+      - -trimpath
+    ldflags:
+      - -s -w -X main.version={{ .Version }}
+    goos:
+      - linux
+      - darwin
+    goarch:
+      - amd64
+      - arm64
+
+archives:
+  - id: cshell
+    formats: [tar.gz]
+    name_template: "{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}"
+
+checksum:
+  name_template: checksums.txt
+
+changelog:
+  use: github
+  sort: asc
+  filters:
+    exclude:
+      - "^docs:"
+      - "^test:"
+      - "^ci:"
+      - "^chore:"
+
+release:
+  draft: false
+  prerelease: auto

README.md

@@ -11,14 +11,27 @@ hands the session off to the AWS `session-manager-plugin`.
 
 ## Install
 
+Download a prebuilt binary for your platform (Linux/macOS, x86-64/arm64) from the
+[Releases](https://github.com/avoidik/cshell/releases) page, e.g.:
+
+```sh
+tar -xzf cshell_$(uname -s | tr A-Z a-z)_$(uname -m | sed 's/x86_64/amd64/;s/aarch64/arm64/').tar.gz
+sudo mv cshell /usr/local/bin/
+```
+
+Or with Go:
+
 ```sh
-go install github.com/avoidik/cshell@latest
+go install github.com/avoidik/cshell@latest   # or: go build -o cshell .
 ```
 
-Or build locally:
+## Releasing
+
+Releases are built by [GoReleaser](https://goreleaser.com) on tag push (CI builds
+Linux/macOS × amd64/arm64 archives + checksums):
 
 ```sh
-go build -o cshell .
+git tag v0.1.0 && git push origin v0.1.0
 ```
 
 ## Requirements

main.go

@@ -19,6 +19,9 @@ import (
 // envName is the name used for environments this tool creates with a VPC.
 const envName = "cshell"
 
+// version is overridden at build time via -ldflags "-X main.version=…".
+var version = "dev"
+
 func main() {
 	if len(os.Args) < 2 {
 		usage()
@@ -30,6 +33,10 @@ func main() {
 		usage()
 		return
 	}
+	if cmd == "version" || cmd == "-v" || cmd == "--version" {
+		fmt.Println("cshell", version)
+		return
+	}
 
 	fs := flag.NewFlagSet(cmd, flag.ExitOnError)
 	profile := fs.String("profile", os.Getenv("AWS_PROFILE"), "AWS named profile to use")
@@ -281,6 +288,7 @@ Commands:
   create    Create a CloudShell environment
   delete    Delete a CloudShell environment
   vpcs      List VPCs (or subnets + security groups with -vpc-id)
+  version   Print the cshell version
 
 Common flags:
   -profile <name>   AWS named profile (default: $AWS_PROFILE)