travis: add release stage

.gitignore

@@ -14,3 +14,4 @@ wesher
 
 # Misc
 *.tmp
+*.sha256

.travis.yml

@@ -29,8 +29,22 @@ install: true  # skip, handled by "cache" stage
 stages:
   - cache
   - test
+  - release
 
 jobs:
   include:
     - stage: cache
       script: go mod download -json
+    - stage: release
+      script: make
+      go: "1.12.1"
+      deploy:
+        provider: releases
+        api_key:
+          secure: "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"
+        file:
+          - wesher
+          - wesher.sha256
+        skip_cleanup: true
+        on:
+          tags: true

Makefile

@@ -3,4 +3,5 @@ VERSION=`git describe --tags --dirty --always`
 LDFLAGS=-ldflags "-X main.version=${VERSION}"
 
 build:
-	go build ${LDFLAGS} ${OPTS}
+	go build ${LDFLAGS} ${OPTS} -o wesher
+	sha256sum wesher > wesher.sha256