ci: auto-generate changelog (#14)

.chglog/CHANGELOG.tpl.md

@@ -0,0 +1,23 @@
+# Changelog
+
+{{ range .Versions -}}
+## {{ if .Tag.Previous }}[{{ .Tag.Name }}]({{ $.Info.RepositoryURL }}/compare/{{ .Tag.Previous.Name }}...{{ .Tag.Name }}){{ else }}{{ .Tag.Name }}{{ end }} ({{ datetime "2006-01-02" .Tag.Date }})
+
+{{ range .CommitGroups -}}
+### {{ .Title }}
+
+{{ range .Commits -}}
+- {{ if .Scope }}**{{ .Scope }}:** {{ end }}{{ .Subject }}
+{{ end }}
+{{ end -}}
+
+{{- if .NoteGroups -}}
+{{ range .NoteGroups -}}
+### {{ .Title }}
+
+{{ range .Notes }}
+{{ .Body }}
+{{ end }}
+{{ end -}}
+{{ end -}}
+{{ end -}}

.chglog/config.yml

@@ -0,0 +1,25 @@
+style: github
+template: CHANGELOG.tpl.md
+info:
+  title: CHANGELOG
+  repository_url: https://github.com/thegeeklab/wait-for
+options:
+  commit_groups:
+    title_maps:
+      feat: Features
+      fix: Bug Fixes
+      perf: Performance Improvements
+      refactor: Code Refactoring
+      chore: Others
+      test: Testing
+      ci: CI Pipeline
+      docs: Documentation
+  header:
+    pattern: "^(\\w*)(?:\\(([\\w\\$\\.\\-\\*\\s]*)\\))?\\:\\s(.*)$"
+    pattern_maps:
+      - Type
+      - Scope
+      - Subject
+  notes:
+    keywords:
+      - BREAKING CHANGE

.drone.jsonnet

@@ -41,6 +41,15 @@ local PipelineBuildPackage = {
         'sha256sum wait-for > sha256sum.txt',
       ],
     },
+    {
+      name: 'changelog',
+      image: 'thegeeklab/git-chglog',
+      commands: [
+        'git fetch -tq',
+        'git-chglog --no-color --no-emoji ${DRONE_TAG:---next-tag unreleased unreleased}',
+        'git-chglog --no-color --no-emoji -o CHANGELOG.md ${DRONE_TAG:---next-tag unreleased unreleased}',
+      ],
+    },
     {
       name: 'publish-github',
       image: 'plugins/github-release',

.gitignore

@@ -3,3 +3,6 @@
 
 # Node
 node_modules
+
+# Misc
+CHANGELOG.md

CHANGELOG.md

@@ -1,18 +0,0 @@
-# Changelog
-
-## v0.1.0 (2021-01-04)
-
-### Docs
-
-- add contributing information
-
-### Build
-
-- add github releases
-
-### Others
-
-- **docker**: switch to org.opencontainers image labels
-- **docker**: use standalone dockerfiles for multiarch
-- **deps**: pin docker digests ([#2](https://github.com/thegeeklab/wait-for/issues/2))
-- use renovate preset config