Moving to 'go run make.go', all builds are release builds for now

.gitignore

@@ -1,2 +1,3 @@
 cover.out
 mc
+version.go

Makefile

@@ -40,14 +40,11 @@ deadcode:
 pre-build:
 	@echo "Running pre-build:"
 
-build-all: getdeps verifiers
+gomake-all: getdeps verifiers
-	@echo "Building Libraries:"
+	@echo "Installing mc:"
-	@godep go generate ./...
+	@go run make.go release
-	@godep go build -a ./... # no stale packages
+	@go run make.go install
-
+	@mkdir -p $(HOME)/.mc
-test-all: pre-build build-all
-	@echo "Running Test Suites:"
-	@godep go test -race ./...
 
 save:
 	@godep save ./...
@@ -58,10 +55,7 @@ restore:
 env:
 	@godep go env
 
-install: test-all
+install: gomake-all
-	@echo "Installing mc:"
-	@godep go install -a -ldflags "-X main.BuildDate `go run buildscripts/date.go`" github.com/minio/mc
-	@mkdir -p $(HOME)/.mc
 
 clean:
 	@rm -fv cover.out

cmd-update.go

@@ -58,9 +58,9 @@ func doUpdateCheck(config *hostConfig) (string, error) {
 	if err != nil {
 		return "No new update available at this time", nil
 	}
-	current, _ := time.Parse(time.RFC3339Nano, BuildDate)
+	current, _ := time.Parse(time.RFC3339Nano, Version)
 	if current.IsZero() {
-		return "BuildDate is empty, must be a custom build cannot update", nil
+		return "Version is empty, must be a custom build cannot update. Please download releases from http://dl.minio.io:9000 for proper updates", nil
 	}
 	if latest.Time.After(current) {
 		printUpdateNotify("new", "old")

hash-binary.go

@@ -1,49 +0,0 @@
-/*
- * Minio Client (C) 2015 Minio, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package main
-
-import (
-	"crypto/md5"
-	"fmt"
-	"io"
-	"os"
-	"os/exec"
-)
-
-// hashBinary computes MD5SUM of a binary file on disk
-func hashBinary(progName string) (string, error) {
-	path, err := exec.LookPath(progName)
-	if err != nil {
-		return "", err
-	}
-
-	m := md5.New()
-
-	file, err := os.Open(path) // For read access.
-	if err != nil {
-		return "", err
-	}
-
-	io.Copy(m, file)
-	return fmt.Sprintf("%x", m.Sum(nil)), nil
-}
-
-// mustHashBinarySelf masks any error returned by hashBinary
-func mustHashBinarySelf() string {
-	hash, _ := hashBinary(os.Args[0])
-	return hash
-}

main.go

@@ -23,7 +23,6 @@ import (
 	"os/user"
 	"runtime"
 	"strconv"
-	"time"
 
 	"github.com/minio/cli"
 	"github.com/minio/mc/pkg/console"
@@ -56,18 +55,6 @@ func checkConfig() {
 	}
 }
 
-// Build date
-var BuildDate string
-
-// getBuildDate -
-func getBuildDate() string {
-	t, _ := time.Parse(time.RFC3339Nano, BuildDate)
-	if t.IsZero() {
-		return ""
-	}
-	return t.Format(time.RFC1123)
-}
-
 // Get os/arch/platform specific information.
 // Returns a map of current os/arch/platform/memstats
 func getSystemData() map[string]string {
@@ -94,9 +81,6 @@ func getSystemData() map[string]string {
 	}
 }
 
-// Version is based on MD5SUM of its binary
-var Version = mustHashBinarySelf()
-
 func main() {
 	// register all the commands
 	registerCmd(lsCmd)     // List contents of a bucket
@@ -120,7 +104,7 @@ func main() {
 	app.Usage = "Minio Client for object storage and filesystems"
 	app.Version = Version
 	app.Commands = commands
-	app.Compiled = getBuildDate()
+	app.Compiled = getVersion()
 	app.Flags = flags
 	app.Author = "Minio.io"
 	app.Before = func(ctx *cli.Context) error {
@@ -176,9 +160,7 @@ GLOBAL FLAGS:
   {{range .Flags}}{{.}}
   {{end}}{{end}}
 VERSION:
-  {{.Version}}
   {{if .Compiled}}
-BUILD:
   {{.Compiled}}{{end}}
   {{range $key, $value := .ExtraInfo}}
 {{$key}}:

make.go

@@ -0,0 +1,119 @@
+// +build ignore
+
+/*
+ * Minio Client (C) 2014, 2015 Minio, Inc.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"os"
+	"os/exec"
+	"text/template"
+	"time"
+
+	"github.com/minio/cli"
+	"github.com/minio/mc/pkg/console"
+)
+
+type Version struct {
+	Date string
+}
+
+func writeVersion(version Version) error {
+	var versionTemplate = `// --------  DO NOT EDIT --------
+// this is an autogenerated file
+
+package main
+
+import "time"
+
+// Version autogenerated
+var Version = {{if .Date}}"{{.Date}}"{{else}}""{{end}}
+
+// getVersion -
+func getVersion() string {
+	t, _ := time.Parse(time.RFC3339Nano, Version)
+	if t.IsZero() {
+		return ""
+	}
+	return t.Format(time.RFC1123)
+}
+`
+	t := template.Must(template.New("version").Parse(versionTemplate))
+	versionFile, err := os.OpenFile("version.go", os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		return err
+	}
+	defer versionFile.Close()
+	err = t.Execute(versionFile, version)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+func runGoBuild(ctx *cli.Context) {
+	if ctx.Args().First() == "help" {
+		cli.ShowCommandHelpAndExit(ctx, "build", 1) // last argument is exit code
+	}
+	mcBuild := exec.Command("godep", "go", "build", "-a", "./...")
+	mcTest := exec.Command("godep", "go", "test", "-race", "./...")
+	mcInstall := exec.Command("godep", "go", "install", "-a", "github.com/minio/mc")
+	mcBuildErr := mcBuild.Run()
+	if mcBuildErr != nil {
+		console.Fatalln(mcBuildErr)
+	}
+	var mcTestOut bytes.Buffer
+	mcTest.Stdout = &mcTestOut
+	mcTestErr := mcTest.Run()
+	if mcTestErr != nil {
+		console.Fatalln(mcTestErr)
+	}
+	fmt.Print(mcTestOut.String())
+	mcInstallErr := mcInstall.Run()
+	if mcInstallErr != nil {
+		console.Fatalln(mcInstallErr)
+	}
+}
+
+func runReleaseCmd(ctx *cli.Context) {
+	if ctx.Args().First() == "help" {
+		cli.ShowCommandHelpAndExit(ctx, "release", 1) // last argument is exit code
+	}
+	version := Version{Date: time.Now().UTC().Format(time.RFC3339Nano)}
+	err := writeVersion(version)
+	if err != nil {
+		console.Fatalln(err)
+	}
+}
+
+func main() {
+	app := cli.NewApp()
+	app.Usage = "Minio Client for object storage and filesystems"
+	app.Commands = []cli.Command{
+		{
+			Name:   "release",
+			Action: runReleaseCmd,
+		}, {
+			Name:   "install",
+			Action: runGoBuild,
+		},
+	}
+	app.Author = "Minio.io"
+	app.RunAndExitOnError()
+}