Update CI and add version command

.github/ISSUE_TEMPLATE.md

@@ -5,7 +5,11 @@ everything here and write out the request, providing as much context as you can.
 
 -->
 
-### What version of Go (`go version`) and `dep` (`git describe --tags`) are you using?
+### What version of `dep` are you using (`dep version`)?
+<!--
+  If you installed `dep` via `go get`, report the version instead with
+  `cd $GOPATH/src/github.com/golang/dep && git describe --tags`
+-->
 
 ### What `dep` command did you run?
 
@@ -20,4 +24,3 @@ The output of `dep hash-inputs` may also be helpful to include.
 ### What did you expect to see?
 
 ### What did you see instead?
-

.travis.yml

@@ -1,11 +1,11 @@
----
 language: go
 sudo: false
 notifications:
   email: false
 jobs:
   include:
     - stage: test
+      go_import_path: github.com/golang/dep
       install:
         - go get -u honnef.co/go/tools/cmd/{gosimple,staticcheck}
         - npm install -g codeclimate-test-reporter
@@ -15,20 +15,16 @@ jobs:
       go: 1.8.x
       script:
         - go build -v ./cmd/dep
-        - PKGS=$(go list ./... | grep -v /vendor/)
-        - go vet $PKGS
-        - staticcheck $PKGS
-        - gosimple $PKGS
+        - ./hack/lint.bash
         - ./hack/validate-vendor.bash
-        - go build ./hack/licenseok
-        - find . -path ./vendor -prune -o -type f -name "*.go" -printf '%P\n' | xargs ./licenseok
-        - set -e; for pkg in $PKGS; do go test -race -coverprofile=profile.out -covermode=atomic $pkg; if [[ -f profile.out ]]; then cat profile.out >> coverage.txt; rm profile.out; fi; done
+        - ./hack/coverage.bash
       after_success:
         - codeclimate-test-reporter < coverage.txt
     # YAML alias, for settings shared across the simpler builds
     - &simple-test
       go: 1.7.x
       stage: test
+      go_import_path: github.com/golang/dep
       install: skip
       env:
         - DEPTESTBYPASS501=1
@@ -53,3 +49,26 @@ jobs:
         # Related: https://superuser.com/questions/1044130/why-am-i-having-how-can-i-fix-this-error-shell-session-update-command-not-f
         - trap EXIT
         - go test -race $(go list ./... | grep -v vendor)
+    - go: 1.8.x
+      stage: deploy
+      go_import_path: github.com/golang/dep
+      install: skip
+      script: skip
+      before_deploy:
+        - ./hack/build-all.bash
+      deploy:
+        - provider: releases
+          api_key:
+            secure: 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
+          file:
+            - release/dep-linux-amd64
+            - release/dep-linux-amd64.sha256
+            - release/dep-darwin-amd64
+            - release/dep-darwin-amd64.sha256
+            - release/dep-windows-amd64
+            - release/dep-windows-amd64.sha256
+          skip_cleanup: true
+          on:
+            repo: golang/dep
+            branch: master
+            tags: true

README.md

@@ -37,11 +37,7 @@ That said, keep in mind the following:
 
 ## Setup
 
-Get the tool via
-
-```sh
-$ go get -u github.com/golang/dep/cmd/dep
-```
+Grab the latest binary from the [releases](https://github.com/golang/dep/releases) page.
 
 On macOS you can install or upgrade to the latest released version with Homebrew:
 
@@ -50,6 +46,12 @@ $ brew install dep
 $ brew upgrade dep
 ```
 
+If you're interested in hacking on `dep`, you can install via `go get`:
+
+```sh
+go get -u github.com/dep/cmd/dep
+```
+
 To start managing dependencies using dep, run the following from your project's root directory:
 
 ```sh

cmd/dep/main.go

@@ -62,6 +62,7 @@ func (c *Config) Run() (exitCode int) {
 		&ensureCommand{},
 		&hashinCommand{},
 		&pruneCommand{},
+		&versionCommand{},
 	}
 
 	examples := [][2]string{

cmd/dep/version.go

@@ -0,0 +1,45 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package main
+
+import (
+	"flag"
+	"runtime"
+
+	"github.com/golang/dep"
+)
+
+var (
+	version    = "devel"
+	buildDate  string
+	commitHash string
+)
+
+const versionHelp = `Show the dep version information`
+
+func (cmd *versionCommand) Name() string { return "version" }
+func (cmd *versionCommand) Args() string {
+	return ""
+}
+func (cmd *versionCommand) ShortHelp() string { return versionHelp }
+func (cmd *versionCommand) LongHelp() string  { return versionHelp }
+func (cmd *versionCommand) Hidden() bool      { return false }
+
+func (cmd *versionCommand) Register(fs *flag.FlagSet) {}
+
+type versionCommand struct{}
+
+func (cmd *versionCommand) Run(ctx *dep.Ctx, args []string) error {
+	ctx.Out.Printf(`dep:
+ version     : %s
+ build date  : %s
+ git hash    : %s
+ go version  : %s
+ go compiler : %s
+ platform    : %s/%s
+`, version, buildDate, commitHash,
+		runtime.Version(), runtime.Compiler, runtime.GOOS, runtime.GOARCH)
+	return nil
+}

hack/build-all.bash

@@ -0,0 +1,37 @@
+#!/usr/bin/env bash
+# Copyright 2017 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+#
+# This script will build dep and calculate hash for each
+# (DEP_BUILD_PLATFORMS, DEP_BUILD_ARCHS) pair.
+# DEP_BUILD_PLATFORMS="linux" DEP_BUILD_ARCHS="amd64" ./hack/build-all.sh
+# can be called to build only for linux-amd64
+
+set -e
+
+VERSION=$(git describe --tags --dirty)
+COMMIT_HASH=$(git rev-parse --short HEAD 2>/dev/null)
+DATE=$(date --iso-8601)
+
+GO_BUILD_CMD="go build -a -installsuffix cgo"
+GO_BUILD_LDFLAGS="-s -w -X main.commitHash=$COMMIT_HASH -X main.buildDate=$DATE -X main.version=$VERSION"
+
+if [ -z "$DEP_BUILD_PLATFORMS" ]; then
+    DEP_BUILD_PLATFORMS="linux windows darwin"
+fi
+
+if [ -z "$DEP_BUILD_ARCHS" ]; then
+    DEP_BUILD_ARCHS="amd64"
+fi
+
+mkdir -p release
+
+for OS in ${DEP_BUILD_PLATFORMS[@]}; do
+  for ARCH in ${DEP_BUILD_ARCHS[@]}; do
+    echo "Building for $OS/$ARCH"
+    GOARCH=$ARCH GOOS=$OS CGO_ENABLED=0 $GO_BUILD_CMD -ldflags "$GO_BUILD_LDFLAGS"\
+     -o "release/dep-$OS-$ARCH" ./cmd/dep/
+    sha256sum "release/dep-$OS-$ARCH" > "release/dep-$OS-$ARCH".sha256
+  done
+done

hack/coverage.bash

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+# Copyright 2017 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+#
+# This script will generate coverage.txt
+set -e
+
+PKGS=$(go list ./... | grep -v /vendor/)
+for pkg in $PKGS; do
+  go test -race -coverprofile=profile.out -covermode=atomic $pkg
+  if [[ -f profile.out ]]; then
+    cat profile.out >> coverage.txt
+    rm profile.out
+  fi
+done

hack/lint.bash

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# Copyright 2017 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+#
+# This script will validate code with various linters
+set -e
+
+PKGS=$(go list ./... | grep -v /vendor/)
+go vet $PKGS
+staticcheck $PKGS
+gosimple $PKGS

hack/validate-licence.bash

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+# Copyright 2017 The Go Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style
+# license that can be found in the LICENSE file.
+#
+# This script will build licenseok and run it on all
+# source files to check licence
+set -e
+
+go build ./hack/licenseok
+find . -path ./vendor -prune -o -type f -name "*.go"\
+ -printf '%P\n' | xargs ./licenseok