chore: improve generated changelog

.chglog/CHANGELOG.tpl.md

@@ -1,18 +1,26 @@
 # 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 }}
 
+{{ $subjects := list }}
 {{ range .Commits -}}
+{{ if not (has .Subject $subjects) -}}
+
 - {{ if .Scope }}**{{ .Scope }}:** {{ end }}{{ .Subject }}
-{{ end }}
-{{ end -}}
+  {{ $subjects = append $subjects .Subject -}}
+  {{ end }}
+  {{- end }}
+  {{- end -}}
 
 {{- if .NoteGroups -}}
 {{ range .NoteGroups -}}
+
 ### {{ .Title }}
 
 {{ range .Notes }}

.drone.jsonnet

@@ -159,14 +159,21 @@ local PipelineBuildPackage = {
       ],
     },
     {
-      name: 'changelog',
+      name: 'changelog-generate',
       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: 'changelog-format',
+      image: 'thegeeklab/alpine-tools',
+      commands: [
+        'prettier CHANGELOG.md',
+        'prettier -w CHANGELOG.md',
+      ],
+    },
     {
       name: 'publish-github',
       image: 'plugins/github-release',

.drone.yml

@@ -177,13 +177,18 @@ steps:
   commands:
   - cd dist/ && sha256sum * > ../sha256sum.txt
 
-- name: changelog
+- name: changelog-generate
   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: changelog-format
+  image: thegeeklab/alpine-tools
+  commands:
+  - prettier CHANGELOG.md
+  - prettier -w CHANGELOG.md
+
 - name: publish-github
   image: plugins/github-release
   settings:
@@ -642,6 +647,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: becc18690731888e4a7b6c93c782df73002dbb7e701e7280cefb19743e830727
+hmac: 919f10145586e909500af5dcbbca68b51473ae5e76b5dc1933f2f5383d7f395d
 
 ...