use tbump

.changelog.d/changelog_template.jinja

@@ -0,0 +1,15 @@
+{% if sections[""] %}
+{% for category, val in definitions.items() if category in sections[""] %}
+
+### {{ definitions[category]['name'] }}
+
+{% for text, values in sections[""][category].items() %}
+- {{ text }} {{ values | join(', ') }}
+{% endfor %}
+
+{% endfor %}
+{% else %}
+No significant changes.
+
+
+{% endif %}

CHANGELOG.md

@@ -1,6 +1,6 @@
 # [Changelog](https://keepachangelog.com/en/1.0.0/)
 
-## [Unreleased](https://github.com/gdsfactory/skywater130/compare/v0.8.0...main)
+<!-- towncrier release notes start -->
 
 ## [0.8.0](https://github.com/gdsfactory/skywater130/compare/v0.8.0...v0.7.0)
 

pyproject.toml

@@ -106,3 +106,86 @@ mypkg = ["*.csv", "*.yaml"]
 
 [tool.setuptools.packages]
 find = {}
+
+[tool.tbump]
+
+[[tool.tbump.before_commit]]
+cmd = "towncrier build --yes --version {new_version}"
+name = "create & check changelog"
+
+[[tool.tbump.before_commit]]
+cmd = "git add CHANGELOG.md"
+name = "create & check changelog"
+
+[[tool.tbump.before_commit]]
+cmd = "grep -q -F {new_version} CHANGELOG.md"
+name = "create & check changelog"
+
+[[tool.tbump.file]]
+src = "README.md"
+
+[[tool.tbump.file]]
+src = "pyproject.toml"
+
+[[tool.tbump.file]]
+src = "sky130/__init__.py"
+
+[[tool.tbump.file]]
+src = "sky130/klayout/pymacros/set_menus.lym"
+
+[[tool.tbump.file]]
+src = "sky130/klayout/grain.xml"
+
+[tool.tbump.git]
+message_template = "Bump to {new_version}"
+tag_template = "v{new_version}"
+
+[tool.tbump.version]
+current = "0.8.0"
+regex = '''
+  (?P<major>\d+)
+  \.
+  (?P<minor>\d+)
+  \.
+  (?P<patch>\d+)
+  '''
+
+[tool.towncrier]
+directory = ".changelog.d"
+filename = "CHANGELOG.md"
+issue_format = "[#{issue}](https://github.com/gdsfactory/skywater130/issues/{issue})"
+package = "gdsfactory"
+start_string = "<!-- towncrier release notes start -->\n"
+template = ".changelog.d/changelog_template.jinja"
+title_format = "## [{version}](https://github.com/gdsfactory/skywater130/releases/tag/v{version}) - {project_date}"
+underlines = ["", "", ""]
+
+[[tool.towncrier.type]]
+directory = "security"
+name = "Security"
+showcontent = true
+
+[[tool.towncrier.type]]
+directory = "removed"
+name = "Removed"
+showcontent = true
+
+[[tool.towncrier.type]]
+directory = "deprecated"
+name = "Deprecated"
+showcontent = true
+
+[[tool.towncrier.type]]
+directory = "added"
+name = "Added"
+showcontent = true
+
+[[tool.towncrier.type]]
+directory = "changed"
+name = "Changed"
+showcontent = true
+
+[[tool.towncrier.type]]
+directory = "fixed"
+name = "Fixed"
+showcontent = true