Add goreleaser code

.github/workflows/release.yml

@@ -0,0 +1,24 @@
+name: goreleaser
+on:
+  push:
+    tags:
+      - '*'
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "checkout"
+        uses: actions/checkout@v2
+      - name: "fetch unshallow"
+        run: git fetch --prune --unshallow
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.20.2
+      - name: "run GoReleaser"
+        uses: goreleaser/goreleaser-action@v2
+        with:
+          version: latest
+          args: release --clean
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

.gitignore

@@ -1 +1,2 @@
 moonshine
+dist/*

.goreleaser.yml

@@ -0,0 +1,40 @@
+project_name: moonshine
+builds:
+- env: [CGO_ENABLED=0]
+  goos:
+    - linux
+    - windows
+    - darwin
+    - freebsd
+  ignore:
+    - goos: linux
+      goarch: arm64
+    - goos: darwin
+      goarch: arm64
+    - goos: freebsd
+      goarch: 386
+    - goos: freebsd
+      goarch: arm64
+    - goos: windows
+      goarch: arm64
+archives:
+- name_template: >-
+    {{ .ProjectName }}_{{ .Version }}_
+    {{- title .Os }}_
+    {{- if eq .Arch "amd64" }}x86_64
+    {{- else if eq .Arch "386" }}i386
+    {{- else if eq .Arch "arm64" }}arm64
+    {{- else }}{{ .Arch }}{{ end }}
+  format: tar.gz
+  format_overrides:
+     - goos: windows
+       format: zip
+checksum:
+  name_template: 'checksums_sha256.txt'
+  algorithm: sha256
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'

README.md

@@ -9,7 +9,8 @@ or Warclight:
 ```./moonshine -warclight -gif | xargs wget```
 
 Full usage:
-```
+
+```text
 Usage of ./moonshine:
   -ffb string
       first four bytes of file to find (default "0baddeed")
@@ -28,3 +29,17 @@ Usage of ./moonshine:
   -warclight
       Use Warclight instead of Shine
 ```
+
+## Developing moonshine
+
+### Goreleaser
+
+Testing goreleaser can be done as follows:
+
+* `goreleaser release --skip-publish`
+
+Valid semantic versioning looks as follows:
+
+* `vMM.mm.pp-rc.n`
+
+Where `-rc.n` are optional, e.g. used purely for release candidates.

moonshine.go

@@ -25,7 +25,13 @@ type shineRequest struct {
 	order    string // order=asc
 }
 
-const agent string = "moonshine/1.0.0"
+var (
+	version = "dev-0.0.0"
+	commit  = "000000000000000000000000000000000baddeed"
+	date    = "1970-01-01T00:00:01Z"
+)
+
+var agent string = fmt.Sprintf("moonshine/%s", version)
 
 // Search result limits to be kind to Shine.
 const solrMaxPages int = 1000
@@ -353,7 +359,7 @@ func getFile() {
 func main() {
 	flag.Parse()
 	if vers {
-		fmt.Fprintf(os.Stderr, "%s \n", agent)
+		fmt.Fprintf(os.Stderr, "%s (%s) commit: %s date: %s\n", agent, version, commit, date)
 		os.Exit(0)
 	} else if flag.NFlag() < 0 { // can access args w/ len(os.Args[1:]) too
 		fmt.Fprintln(os.Stderr, "Usage:  baddeed")