Fix goreleaser config (hopefully).

.goreleaser.yml

@@ -15,12 +15,12 @@ builds:
   - "386"
   goarm:
   - "6"
-  main: .
+  main: ./cmd/chroma/main.go
   ldflags: -s -w -X main.version={{.Version}} -X main.commit={{.Commit}} -X main.date={{.Date}}
-  binary: cmd/chroma
+  binary: chroma
 archive:
   format: tar.gz
-  name_template: '{{ .Binary }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{
+  name_template: '{{ .Binary }}-{{ .Version }}-{{ .Os }}-{{ .Arch }}{{ if .Arm }}v{{
     .Arm }}{{ end }}'
   files:
   - COPYING
@@ -28,4 +28,4 @@ archive:
 snapshot:
   name_template: SNAPSHOT-{{ .Commit }}
 checksum:
-  name_template: '{{ .ProjectName }}_{{ .Version }}_checksums.txt'
+  name_template: '{{ .ProjectName }}-{{ .Version }}-checksums.txt'

cmd/chroma/main.go

@@ -25,6 +25,11 @@ import (
 )
 
 var (
+	// Populated by goreleaser.
+	version = "?"
+	commit  = "?"
+	date    = "?"
+
 	profileFlag    = kingpin.Flag("profile", "Enable profiling to file.").Hidden().String()
 	listFlag       = kingpin.Flag("list", "List lexers, styles and formatters.").Bool()
 	unbufferedFlag = kingpin.Flag("unbuffered", "Do not buffer output.").Bool()
@@ -59,6 +64,7 @@ type nopFlushableWriter struct{ io.Writer }
 func (n *nopFlushableWriter) Flush() error { return nil }
 
 func main() {
+	kingpin.CommandLine.Version(fmt.Sprintf("%s-%s-%s", version, commit, date))
 	kingpin.CommandLine.Help = `
 Chroma is a general purpose syntax highlighting library and corresponding
 command, for Go.