Add version output and goreleaser build config

.gitignore

@@ -0,0 +1 @@
+dist/*

.goreleaser.yml

@@ -0,0 +1,31 @@
+before:
+ hooks:
+ # You may remove this if you don't use go modules.
+ - go mod tidy
+builds:
+ - env:
+ - CGO_ENABLED=0
+ goos:
+ - linux
+ - windows
+ - darwin
+ goarch:
+ - amd64
+ - arm64
+ ldflags: -s -w -X main.Version={{.Version}} -X main.Commit={{.Commit}}
+ binary: tailscale-acl-combiner
+archives:
+ - name_template: "{{ .Binary }}-{{ .Tag }}-{{ .Os }}-{{ .Arch }}"
+ format_overrides:
+ - goos: windows
+ format: zip
+checksum:
+ name_template: "checksums.txt"
+snapshot:
+ name_template: "{{ incpatch .Version }}-next"
+changelog:
+ sort: asc
+ filters:
+ exclude:
+ - "^docs:"
+ - "^test:"

main.go

@@ -25,9 +25,15 @@ var (
  inChildDir = flag.String("d", "", "directory to process files from")
  outFile = flag.String("o", "", "file to write output to")
  verbose = flag.Bool("v", false, "enable verbose logging")
+ version = flag.Bool("version", false, "print version and exit")
  allowedAclSections aclSections
+
+ // build flags
+ Version = "snapshot"
+ Commit = "unknown"
 )
 
+
 type ParsedDocument struct {
  Path string
  Object *jwcc.Object
@@ -67,6 +73,10 @@ func checkArgs() error {
 func main() {
  flag.Var(&allowedAclSections, "allow", "acl sections to allow from children")
  flag.Parse()
+ if *version {
+ fmt.Printf("%s-%s\n", Version, Commit)
+ os.Exit(0)
+ }
  argsErr := checkArgs()
  if argsErr != nil {
  fmt.Fprintf(os.Stderr, "%s\n", argsErr)