try to cross-compile binaries

.drone.star

@@ -5,6 +5,7 @@ def main(ctx):
     linux('amd64'),
     linux('arm64'),
     linux('arm'),
+    binaries([]),
   ]
 
   after = notification()
@@ -82,42 +83,23 @@ def linux(arch):
     },
     'steps': [
       {
-        'name': 'build-push',
+        'name': 'build',
         'image': 'golang:1.12',
         'environment': {
-          'CGO_ENABLED': '0'
+          'CGO_ENABLED': '0',
+          'BUILD_VERSION': '${DRONE_TAG##v}'
         },
         'commands': [
-          'go build -v -ldflags "-X main.version=${DRONE_COMMIT_SHA:0:8}" -a -tags netgo -o release/%s/github-releases-notifier' % arch
+          '[ -z "${BUILD_VERSION}" ] && BUILD_VERSION=${DRONE_COMMIT_SHA:0:8}',
+          'go build -v -ldflags "-X main.Version=$BUILD_VERSION" -a -tags netgo -o release/%s/github-releases-notifier' % arch
         ],
-        'when': {
-          'event': {
-            'exclude': [
-              'tag'
-            ]
-          }
-        }
-      },
-      {
-        'name': 'build-tag',
-        'image': 'golang:1.12',
-        'environment': {
-          'CGO_ENABLED': '0'
-        },
-        'commands': [
-          'go build -v -ldflags "-X main.version=${DRONE_TAG##v}" -a -tags netgo -o release/%s/github-releases-notifier' % arch
-        ],
-        'when': {
-          'event': [
-            'tag'
-          ]
-        }
       },
       {
         'name': 'executable',
         'image': 'golang:1.12',
         'commands': [
-          './release/%s/github-releases-notifier --help' % arch
+          './release/%s/github-releases-notifier --help' % arch,
+          './release/%s/github-releases-notifier --version' % arch
         ]
       },
       {
@@ -175,6 +157,54 @@ def linux(arch):
     }
   }
 
+def binaries(arch):
+  return {
+    'kind': 'pipeline',
+    'type': 'docker',
+    'name': 'build-binaries',
+    'steps': [
+      {
+        'name': 'build',
+        'image': 'techknowlogick/xgo:latest',
+        'environment': {
+          'BUILD_VERSION': '${DRONE_TAG##v}'
+        },
+        'commands': [
+          '[ -z "${BUILD_VERSION}" ] && BUILD_VERSION=${DRONE_COMMIT_SHA:0:8}',
+          'mkdir -p release/',
+          "xgo -ldflags \"-X main.Version=$BUILD_VERSION\" -tags netgo -targets 'linux/amd64,linux/arm-6,linux/arm64' -out github-releases-notifier-$BUILD_VERSION .",
+          'cp /build/* release/',
+          'ls -lah release/'
+        ]
+      },
+      {
+        'name': 'publish',
+        'image': 'plugins/github-release',
+        'settings': {
+          'overwrite': True,
+          'api_key': {
+            'from_secret': 'github_token'
+          },
+          'title': '${DRONE_TAG}',
+          'note': 'CHANGELOG.md',
+        },
+        'when': {
+          'ref': [
+            'refs/tags/**'
+          ]
+        }
+      }
+    ],
+    'depends_on': [],
+    'trigger': {
+      'ref': [
+        'refs/heads/master',
+        'refs/tags/**',
+        'refs/pull/**'
+      ]
+    }
+  }
+
 def notification():
   return [{
     'kind': 'pipeline',

.drone.yml

@@ -44,31 +44,20 @@ platform:
   arch: amd64
 
 steps:
-- name: build-push
+- name: build
   image: golang:1.12
   commands:
-  - go build -v -ldflags "-X main.version=${DRONE_COMMIT_SHA:0:8}" -a -tags netgo -o release/amd64/github-releases-notifier
+  - "[ -z \"${BUILD_VERSION}\" ] && BUILD_VERSION=${DRONE_COMMIT_SHA:0:8}"
+  - go build -v -ldflags "-X main.Version=$BUILD_VERSION" -a -tags netgo -o release/amd64/github-releases-notifier
   environment:
+    BUILD_VERSION: ${DRONE_TAG##v}
     CGO_ENABLED: 0
-  when:
-    event:
-      exclude:
-      - tag
-
-- name: build-tag
-  image: golang:1.12
-  commands:
-  - go build -v -ldflags "-X main.version=${DRONE_TAG##v}" -a -tags netgo -o release/amd64/github-releases-notifier
-  environment:
-    CGO_ENABLED: 0
-  when:
-    event:
-    - tag
 
 - name: executable
   image: golang:1.12
   commands:
   - ./release/amd64/github-releases-notifier --help
+  - ./release/amd64/github-releases-notifier --version
 
 - name: dryrun
   image: plugins/docker
@@ -120,31 +109,20 @@ platform:
   arch: arm64
 
 steps:
-- name: build-push
+- name: build
   image: golang:1.12
   commands:
-  - go build -v -ldflags "-X main.version=${DRONE_COMMIT_SHA:0:8}" -a -tags netgo -o release/arm64/github-releases-notifier
+  - "[ -z \"${BUILD_VERSION}\" ] && BUILD_VERSION=${DRONE_COMMIT_SHA:0:8}"
+  - go build -v -ldflags "-X main.Version=$BUILD_VERSION" -a -tags netgo -o release/arm64/github-releases-notifier
   environment:
+    BUILD_VERSION: ${DRONE_TAG##v}
     CGO_ENABLED: 0
-  when:
-    event:
-      exclude:
-      - tag
-
-- name: build-tag
-  image: golang:1.12
-  commands:
-  - go build -v -ldflags "-X main.version=${DRONE_TAG##v}" -a -tags netgo -o release/arm64/github-releases-notifier
-  environment:
-    CGO_ENABLED: 0
-  when:
-    event:
-    - tag
 
 - name: executable
   image: golang:1.12
   commands:
   - ./release/arm64/github-releases-notifier --help
+  - ./release/arm64/github-releases-notifier --version
 
 - name: dryrun
   image: plugins/docker
@@ -196,31 +174,20 @@ platform:
   arch: arm
 
 steps:
-- name: build-push
+- name: build
   image: golang:1.12
   commands:
-  - go build -v -ldflags "-X main.version=${DRONE_COMMIT_SHA:0:8}" -a -tags netgo -o release/arm/github-releases-notifier
+  - "[ -z \"${BUILD_VERSION}\" ] && BUILD_VERSION=${DRONE_COMMIT_SHA:0:8}"
+  - go build -v -ldflags "-X main.Version=$BUILD_VERSION" -a -tags netgo -o release/arm/github-releases-notifier
   environment:
+    BUILD_VERSION: ${DRONE_TAG##v}
     CGO_ENABLED: 0
-  when:
-    event:
-      exclude:
-      - tag
-
-- name: build-tag
-  image: golang:1.12
-  commands:
-  - go build -v -ldflags "-X main.version=${DRONE_TAG##v}" -a -tags netgo -o release/arm/github-releases-notifier
-  environment:
-    CGO_ENABLED: 0
-  when:
-    event:
-    - tag
 
 - name: executable
   image: golang:1.12
   commands:
   - ./release/arm/github-releases-notifier --help
+  - ./release/arm/github-releases-notifier --version
 
 - name: dryrun
   image: plugins/docker
@@ -262,6 +229,48 @@ trigger:
 depends_on:
 - testing
 
+---
+kind: pipeline
+type: docker
+name: build-binaries
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+- name: build
+  image: techknowlogick/xgo:latest
+  commands:
+  - "[ -z \"${BUILD_VERSION}\" ] && BUILD_VERSION=${DRONE_COMMIT_SHA:0:8}"
+  - mkdir -p release/
+  - xgo -ldflags "-X main.Version=$BUILD_VERSION" -tags netgo -targets 'linux/amd64,linux/arm-6,linux/arm64' -out github-releases-notifier-$BUILD_VERSION .
+  - cp /build/* release/
+  - ls -lah release/
+  environment:
+    BUILD_VERSION: ${DRONE_TAG##v}
+
+- name: publish
+  image: plugins/github-release
+  settings:
+    api_key:
+      from_secret: github_token
+    note: CHANGELOG.md
+    overwrite: true
+    title: ${DRONE_TAG}
+  when:
+    ref:
+    - refs/tags/**
+
+trigger:
+  ref:
+  - refs/heads/master
+  - refs/tags/**
+  - refs/pull/**
+
+depends_on:
+- testing
+
 ---
 kind: pipeline
 type: docker
@@ -332,9 +341,10 @@ depends_on:
 - build-container-amd64
 - build-container-arm64
 - build-container-arm
+- build-binaries
 
 ---
 kind: signature
-hmac: 48723ecce577b6addd70c457f07360a1986bbb43b56034619bf9843efc797a4a
+hmac: 4c60720bd47e885df1e36d84a68edb5e4fb4f9030113a52dda16b37a7da11f85
 
 ...

main.go

@@ -14,6 +14,9 @@ import (
 	"golang.org/x/oauth2"
 )
 
+// Version of current build
+var Version = "devel"
+
 // Config of env and args
 type Config struct {
 	GithubToken  string        `arg:"env:GITHUB_TOKEN,required"`
@@ -29,6 +32,11 @@ func (c Config) Token() *oauth2.Token {
 	return &oauth2.Token{AccessToken: c.GithubToken}
 }
 
+// Version prints version string
+func (Config) Version() string {
+	return "github-releases-notifier " + Version
+}
+
 func main() {
 	_ = godotenv.Load()