Merge pull request #356 from sensu/alpha

Add prerelease flag for specifying alpha/beta/RC builds

Author: jamesdphillips

Makefile

@@ -23,6 +23,7 @@ $(shell mkdir -p out)
 # FPM
 ##
 VERSION=$(shell cat version/version.txt)
+PRERELEASE=$(shell cat version/prerelease.txt)
 ITERATION=$(shell cat version/iteration.txt)
 ARCHITECTURE=$(GOARCH)
 DESCRIPTION="A monitoring framework that aims to be simple, malleable, and scalable."
@@ -34,7 +35,7 @@ URL="https://sensuapp.org"
 BIN_SOURCE_DIR=target/$(GOOS)-$(GOARCH)
 
 FPM_FLAGS = \
-	--version $(VERSION) \
+	--version $(VERSION)-$(PRERELEASE) \
 	--iteration $(ITERATION) \
 	--url $(URL) \
 	--license $(LICENSE) \

agent/cmd/start.go

@@ -58,7 +58,7 @@ func newVersionCommand() *cobra.Command {
 		Short: "Show the sensu-agent version information",
 		Run: func(cmd *cobra.Command, args []string) {
 			fmt.Printf("sensu-agent version %s, build %s, built %s\n",
-				version.Version,
+				version.Semver(),
 				version.BuildSHA,
 				version.BuildDate,
 			)

backend/cmd/start.go

@@ -55,7 +55,7 @@ func newVersionCommand() *cobra.Command {
 		Short: "Show the sensu-backend version information",
 		Run: func(cmd *cobra.Command, args []string) {
 			fmt.Printf("sensu-backend version %s, build %s, built %s\n",
-				version.Version,
+				version.Semver(),
 				version.BuildSHA,
 				version.BuildDate,
 			)

build.sh

@@ -78,13 +78,13 @@ build_binary () {
 	local outfile="target/${goos}-${goarch}/${cmd_name}"
 
 	local version=$(cat version/version.txt)
-	local iteration=$(cat version/iteration.txt)
+	local prerelease=$(cat version/prerelease.txt)
 	local build_date=$(date +"%Y-%m-%dT%H:%M:%S%z")
 	local build_sha=$(git rev-parse HEAD)
 
 	local version_pkg="github.com/sensu/sensu-go/version"
-	local ldflags="-X $version_pkg.Version=${version}"
-	local ldflags+=" -X $version_pkg.Iteration=${iteration}"
+	local ldflags=" -X $version_pkg.Version=${version}"
+	local ldflags+=" -X $version_pkg.PreReleaseIdentifier=${prerelease}"
 	local ldflags+=" -X $version_pkg.BuildDate=${build_date}"
 	local ldflags+=" -X $version_pkg.BuildSHA=${build_sha}"
 

cli/cmd/start.go

@@ -63,7 +63,7 @@ func newVersionCommand() *cobra.Command {
 		Short: "Show the sensu-ctl version information",
 		Run: func(cmd *cobra.Command, args []string) {
 			fmt.Printf("sensu-ctl version %s, build %s, built %s\n",
-				version.Version,
+				version.Semver(),
 				version.BuildSHA,
 				version.BuildDate,
 			)

version/prerelease.txt

@@ -0,0 +1 @@
+alpha.1

version/version.go

@@ -4,9 +4,28 @@ var (
 	// Version stores the version of the current build (e.g. 2.0.0)
 	Version string
 
+	// PreReleaseIdentifier stores the pre-release identifier of the current build (eg. beta-2)
+	PreReleaseIdentifier string
+
 	// BuildDate stores the timestamp of the build (e.g. 2017-07-31T13:11:15-0700)
 	BuildDate string
 
 	// BuildSHA stores the git sha of the build (e.g. 8673bed0a9705083987b9ecbbc1cc0758df13dd2)
 	BuildSHA string
 )
+
+// Semver returns full semantic versioning compatible identifier.
+// Format: VERSION-PRERELEASE+METADATA
+func Semver() string {
+	version := Version
+	if PreReleaseIdentifier != "" {
+		version = version + "-" + PreReleaseIdentifier
+	}
+
+	gitSHA := BuildSHA
+	if len(gitSHA) > 7 {
+		gitSHA = gitSHA[:7]
+	}
+
+	return version + "#" + gitSHA
+}

version/version.txt

@@ -1 +1 @@
-2.0.0p1
+2.0.0