release tool

.drone.yml

@@ -0,0 +1,22 @@
+kind: pipeline
+name: default
+
+steps:
+  - name: build
+    image: golang:latest
+    commands:
+      - make test
+
+  - name: coverage
+    image: plugins/codecov
+    settings:
+      token:
+        from_secret: codecov-token
+
+  - name: notify
+    image: plugins/webhook
+    urls:
+    when:
+      status:
+        - success
+        - failure

tools/release.sh

@@ -0,0 +1,25 @@
+#!/bin/sh
+
+# Get the highest tag number
+VERSION="$(git describe --abbrev=0 --tags)"
+VERSION=${VERSION:-'0.0.0'}
+
+# Get number parts
+MAJOR="${VERSION%%.*}"; VERSION="${VERSION#*.}"
+MINOR="${VERSION%%.*}"; VERSION="${VERSION#*.}"
+PATCH="${VERSION%%.*}"; VERSION="${VERSION#*.}"
+
+# Increase version
+PATCH=$((PATCH+1))
+
+TAG="${1}"
+
+if [ "${TAG}" = "" ]; then
+  TAG="${MAJOR}.${MINOR}.${PATCH}"
+fi
+
+echo "Releasing ${TAG} ..."
+
+git tag -a -s -m "Release ${TAG}" "${TAG}"
+git push --tags
+goreleaser