releases: switch to goreleaser

.circleci/config.yml

@@ -53,14 +53,17 @@ jobs:
   release:
     executor: go-build
     steps:
+      - setup_remote_docker
       - restore-workspace
       - restore-go-mod-cache
       # commands
+      - run: docker login -u "$QUAY_USER" -p "$QUAY_PASSWD" quay.io
+      - run: sudo apt-get -qqy update && sudo apt-get -qqy install rpm
       - run: |
           # ./autotag/autotag binary from the test job is not saved to the workspace with +x bit, restore it
           chmod +x ./autotag/autotag
-      - run: GO111MODULE=off go get github.com/aktau/github-release
-      - run: make release
+      - run: ./autotag/autotag
+      - run: curl -sL https://git.io/goreleaser | bash -s -- --parallelism=2
 
 workflows:
   version: 2

.gitignore

@@ -7,3 +7,4 @@ coverage*
 
 vendor/**
 !vendor/manifest
+dist/

.goreleaser.yml

@@ -0,0 +1,85 @@
+project_name: autotag
+env:
+  - GO111MODULE=on
+  - GOPROXY=https://proxy.golang.org
+builds:
+  - binary: autotag
+    id: macos
+    main: autotag/main.go
+    ldflags:
+      - -s -w -X main.version={{.Version}}+{{.ShortCommit}}
+    goos:
+      - darwin
+    goarch:
+      - amd64
+
+  - binary: autotag
+    id: linux
+    main: autotag/main.go
+    ldflags:
+      - -s -w -X main.version={{.Version}}+{{.ShortCommit}}
+    goos:
+      - linux
+    goarch:
+      - amd64
+
+  # TODO: verify windows functionality then enable windows release binaries
+  # - binary: autotag
+  #   id: windows
+  #   main: autotag/main.go
+  #   ldflags:
+  #     - -s -w -X main.version={{.Version}}+{{.ShortCommit}}
+  #   goos:
+  #     - windows
+  #   goarch:
+  #     - amd64
+
+changelog:
+  sort: asc
+  filters:
+    exclude:
+    - '^docs:'
+    - '^readme:'
+    - '^test:'
+    - Merge pull request
+    - Merge branch
+
+# GPG signing
+# TODO: consider implementing a "project signing key"
+# sign:
+#   artifacts: checksum
+
+archives:
+  # Binary named 'Linux' for backwards compatibility with old release format
+  - id: old-format-liinux
+    builds: ["linux"]
+    format: binary
+    name_template: "Linux"
+  # Binary named 'OSX' for backwards compatibility with old release format
+  - id: old-format-osx
+    builds: ["macos"]
+    format: binary
+    name_template: "OSX"
+
+# homebrew
+# brews:
+#   - ids:
+#       - archives
+#     github:
+#       owner: pantheon-systems
+#       name: homebrew-taps
+#     commit_author:
+#       name: pantheon releases
+#       email: infrastructure@pantheon.io
+#     folder: Formula
+#     homepage: "https://github.com/pantheon-systems/autotag"
+#     description: "Automatically add version tags to a git repo based on commit messages."
+
+dockers:
+  -
+    dockerfile: Dockerfile
+    image_templates:
+     - "quay.io/pantheon-public/autotag:{{ .Tag }}"                  # v1.0.0
+     - "quay.io/pantheon-public/autotag:v{{ .Major }}"               # v1
+     - "quay.io/pantheon-public/autotag:v{{ .Major }}.{{ .Minor }}"  # v1.0
+     - "quay.io/pantheon-public/autotag:latest"

Dockerfile

@@ -0,0 +1,7 @@
+FROM alpine:latest
+
+RUN apk add --no-cache git
+
+COPY ./autotag /autotag
+
+ENTRYPOINT [ "/autotag" ]

Makefile

@@ -6,9 +6,5 @@ include scripts/make/common-go.mk
 build::
 	go build -o $(APP)/$(APP)  $(APP)/*.go
 
-release: VERSION=$(shell $(APP)/$(APP) -n)
-release:
-	GOOS=darwin go build -o $(APP)/$(APP)-darwin autotag/*.go
-	github-release release -u pantheon-systems -r $(APP) -t $(VERSION) --draft
-	github-release upload -u pantheon-systems -r $(APP) -n Linux -f $(APP)/$(APP) -t $(VERSION)
-	github-release upload -u pantheon-systems -r $(APP) -n OSX -f $(APP)/$(APP)-darwin -t $(VERSION)
+snapshot:
+	@goreleaser --rm-dist --snapshot --debug

README.md

@@ -12,14 +12,40 @@ Dependencies
 
 * [Git 2.x](https://git-scm.com/downloads) available in PATH
 
+Version v1.0.0+ depends on the Git CLI, install Git with your distribution's package management system.
+
+Versions prior to v1.0.0 use cgo libgit or native golang Git, the binary will work standalone.
+
 Installing
 ----------
 
-On Linux the easy way to get going is to use the pre-built binary release from [GitHub Releases](https://github.com/pantheon-systems/autotag/releases).
+### Pre-built binaries
 
-Version v1.0.0+ depends on the Git CLI, install Git with your distribution's package management system.
+| OS    | Arch  | binary              |
+| ----- | ----- | ------------------- |
+| macOS | amd64 | [autotag][releases] |
+| Linux | amd64 | [autotag][releases] |
 
-Versions prior to v1.0.0 use cgo libgit or native golang Git, the binary will work standalone.
+### Docker images
+
+| Arch  | Images                                                           |
+| ----- | ---------------------------------------------------------------- |
+| amd64 | `quay.io/pantheon-public/autotag:latest`, `vX.Y.Z`, `vX.Y`, `vX` |
+
+[releases]: https://github.com/pantheon-systems/autotag/releases/latest
+
+### One-liner
+
+Install Linux binary at `./autotag`. For example in a `Dockerfile` or a CI/CD pipeline:
+
+```bash
+curl -s https://api.github.com/repos/pantheon-systems/autotag/releases/latest | \
+  grep browser_download | \
+  grep Linux | \
+  cut -d '"' -f 4 | \
+  xargs curl -o ./autotag -L \
+  && chmod 755 ./autotag
+```
 
 Calculating Tags
 ----------------
@@ -118,6 +144,7 @@ Application Options:
   -r, --repo=                  Path to the repo (default: ./)
   -p, --pre-release-name=      create a pre-release tag with this name (can be: alpha|beta|rc|pre|hotfix)
   -T, --pre-release-timestamp= create a pre-release tag and append a timestamp (can be: datetime|epoch)
+      --version                Print autotag version
 
 Help Options:
   -h, --help                   Show this help message
@@ -126,12 +153,12 @@ Help Options:
 Build from Source
 -----------------
 
-Assuming you have Go 1.5+ installed you can checkout and run make deps build to compile the binary. It will be built as ./autotag/autotag
+Assuming you have Go 1.5+ installed you can checkout and run make deps build to compile the binary. It will be built as `./autotag/autotag`.
 
 ```console
 git clone git@github.com:pantheon-systems/autotag.git
 
 cd autotag
 
-make deps build
+make build
 ```