chore: improve generated changelog

.chglog/CHANGELOG.tpl.md

@@ -6,10 +6,14 @@
 {{ range .CommitGroups -}}
 ### {{ .Title }}
 
+{{ $subjects := list }}
 {{ range .Commits -}}
+{{ if not (has .Subject $subjects) -}}
 - {{ if .Scope }}**{{ .Scope }}:** {{ end }}{{ .Subject }}
+{{ $subjects = append $subjects .Subject -}}
 {{ end }}
-{{ end -}}
+{{- end }}
+{{- end -}}
 
 {{- if .NoteGroups -}}
 {{ range .NoteGroups -}}

.drone.yml

@@ -57,15 +57,22 @@ steps:
   depends_on:
   - dryrun
 
-- 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}
   depends_on:
   - tags
 
+- name: changelog-format
+  image: thegeeklab/alpine-tools
+  commands:
+  - prettier CHANGELOG.md
+  - prettier -w CHANGELOG.md
+  depends_on:
+  - changelog-generate
+
 - name: publish-dockerhub
   image: thegeeklab/drone-docker-buildx:20
   settings:
@@ -194,6 +201,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: 46597d1f775dcc6b21ae3a42cd40b9996894e9fdb9bb59b985e24bc02101354c
+hmac: 8e9b93e10e67982bf719b05d5e48c48be739db77565e5b2a687229a6b88418f0
 
 ...

.prettierignore

@@ -1 +1,2 @@
 .drone.yml
+*.tpl.md