Migrate from goxc to goreleaser

.goreleaser.yml

@@ -0,0 +1,42 @@
+# This is an example goreleaser.yaml file with some sane defaults.
+# Make sure to check the documentation at http://goreleaser.com
+project_name: koko
+release:
+  github:
+    owner: redhat-nfvpe
+    name: koko
+  name_template: '{{.Tag}}'
+builds:
+- goos:
+  - linux
+  goarch:
+  - amd64
+  - "386"
+  - arm
+  - arm64
+  goarm:
+  - "6"
+  ignore:
+  - goos: darwin
+  main: ./koko.go
+  env:
+  - CGO_ENABLED=0
+  ldflags:
+  - -s -w -X "main.Version={{ .Version }}" -X "main.GitHash={{ .ShortCommit }}"
+archive:
+  name_template: "{{ .ProjectName }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}"
+  replacements:
+    #linux: Linux
+    386: i386
+    amd64: x86_64
+  format: tar.gz
+checksum:
+  name_template: 'checksums.txt'
+snapshot:
+  name_template: "{{ .Tag }}-next"
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^test:'

.travis.yml

@@ -25,17 +25,12 @@ script:
   - bats tests/acceptanceIPv6.bats
   - bats tests/acceptanceIPv4v6.bats
 
-before_deploy:
-  - go get -u github.com/laher/goxc
-  - mkdir -p $TRAVIS_BUILD_DIR/dist
-  - goxc -d=$TRAVIS_BUILD_DIR/dist -pv=$TRAVIS_TAG -bc=linux -tasks=clean-destination,xc,archive,rmbin
-
 deploy:
-  provider: releases
+  provider: script
   api_key:
-    secure: "$DEPLOY_SECURE"
-  file_glob: true
-  file: "$TRAVIS_BUILD_DIR/dist/**/*.gz"
+    secure: "$GITHUB_TOKEN"
+  skip_cleanup: true
+  script: curl -sL http://git.io/goreleaser | bash
   on:
     tags: true
     all_branches: true

koko.go

@@ -16,8 +16,10 @@ import (
 	"github.com/vishvananda/netlink"
 )
 
-// VERSION indicates koko's version.
-var VERSION = "master@git"
+// Version indicates koko's version.
+var Version = "master"
+// GitHash indicates koko's github hash.
+var GitHash = "HEAD"
 
 // parseLinkIPOption parses '<linkname>(:<ip>/<prefix>)' syntax and put it in
 // veth object
@@ -503,7 +505,7 @@ func main() {
 			}
 
 		case 'v': // version
-			fmt.Printf("koko version: %s\n", VERSION)
+			fmt.Printf("koko version: %s (%s)\n", Version, GitHash)
 			os.Exit(0)
 
 		case 'h': // help