ci: allow extended version tags

ci: split CircleCI release into its own workflow
docs: adding release instructions
ci: Switch to Go modules

Author: itzg

.circleci/config.yml

@@ -2,10 +2,7 @@ version: 2
 
 defaults: &defaults
   docker:
-    - image: circleci/golang:1.10
-
-  working_directory: /go/src/github.com/itzg/rcon-cli
-
+    - image: circleci/golang:1.11
 
 jobs:
   build:
@@ -15,26 +12,24 @@ jobs:
 
       - restore_cache:
           keys:
-            - cache-{{ arch }}-{{ .Branch }}-{{ checksum "Gopkg.lock" }}
+            - cache-{{ arch }}-{{ .Branch }}-{{ checksum "go.sum" }}
             - cache-{{ arch }}-{{ .Branch }}
             - cache
 
-      - run: dep ensure -vendor-only
+      - run: go mod download
 
       - save_cache:
-          key: cache-{{ arch }}-{{ .Branch }}-{{ checksum "Gopkg.lock" }}
+          key: cache-{{ arch }}-{{ .Branch }}-{{ checksum "go.sum" }}
           paths:
-            - vendor
+            - /go/pkg
 
-      - run: go test
+      - run: go test -mod=readonly
 
   release:
     <<: *defaults
     steps:
       - checkout
 
-      - run: dep ensure -vendor-only
-
       - setup_remote_docker
       - run:
           name: docker login
@@ -47,16 +42,13 @@ workflows:
   version: 2
   main:
     jobs:
-      - build:
-          filters:
-            tags:
-              only: /.*/
+      - build
 
+  release:
+    jobs:
       - release:
-          requires:
-            - build
           filters:
             tags:
-              only: /^\d+\.\d+\.\d+/
+              only: /\d+(\.\d+)*(-.*)*/
             branches:
               ignore: /.*/

.gitignore

@@ -2,4 +2,6 @@
 /*.idl
 /dist/
 /vendor/
-/rcon-cli
+/rcon-cli
+/rcon-cli.exe
+/config.yml

.goreleaser.yml

@@ -1,4 +1,7 @@
 project_name: rcon-cli
+before:
+  hooks:
+    - go mod download
 release:
   github:
     owner: itzg
@@ -35,12 +38,11 @@ changelog:
     exclude:
       - '^ci:'
 dockers:
-  - image: itzg/rcon-cli
+  - image_templates:
+      - "itzg/rcon-cli:{{ .Tag }}"
+      - "itzg/rcon-cli:latest"
     goos: linux
     goarch: amd64
-    tag_templates:
-    - "{{ .Tag }}"
-    - latest
 scoop:
   bucket:
     owner: itzg

DEVELOPMENT.md

@@ -0,0 +1,4 @@
+# Creating a release
+
+Tag the source repository and push the tag. The CircleCI configuration includes a `release`
+workflow that will take care of invoking goreleaser. 

Gopkg.lock

@@ -0,0 +1,9 @@
+module github.com/itzg/rcon-cli
+
+require (
+	github.com/BurntSushi/toml v0.3.1 // indirect
+	github.com/inconshreveable/mousetrap v1.0.0 // indirect
+	github.com/james4k/rcon v0.0.0-20120923215419-8fbb8268b60a
+	github.com/spf13/cobra v0.0.3
+	github.com/spf13/viper v1.3.1
+)

Gopkg.toml

@@ -0,0 +1,49 @@
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