[v9] chore: update the conda-forge feedstock as part of the release process

.github/workflows/deployment.yml

@@ -21,6 +21,8 @@ jobs:
       id-token: write
       attestations: write
       contents: write
+    outputs:
+      conda-forge-version: ${{ steps.check-tag.outputs.conda-forge-version }}
     defaults:
       run:
         shell: bash -l {0}
@@ -111,6 +113,9 @@ jobs:
                 # Output to later steps
                 echo "create-release=true" >> $GITHUB_OUTPUT
                 echo "new-version=$NEW_VERSION" >> $GITHUB_OUTPUT
+                # Expose the version for the conda-forge feedstock, skipping pre-releases
+                CONDA_FORGE_VERSION=$(python -c $'from packaging.version import Version; v = Version('"'$NEW_VERSION'"$')\nprint("" if v.is_prerelease else v)')
+                echo "conda-forge-version=$CONDA_FORGE_VERSION" >> $GITHUB_OUTPUT
               fi
             fi
           fi
@@ -189,3 +194,20 @@ jobs:
         uses: mxschmitt/action-tmate@v3
         with:
           limit-access-to-actor: true
+
+  update-conda-forge:
+    name: conda-forge feedstock update
+    runs-on: "ubuntu-latest"
+    needs: deploy-pypi
+    if: needs.deploy-pypi.outputs.conda-forge-version != ''
+    environment: conda-forge
+    steps:
+      - name: Update the dirac-grid feedstock
+        uses: conda-forge/release@45b05fddc6addd06d5f982ebe0a88378ec44de92  # v2026.9.15
+        with:
+          feedstock: dirac-grid-feedstock
+          feedstock-branch: v9.0.x
+          version: ${{ needs.deploy-pypi.outputs.conda-forge-version }}
+          github-token: ${{ secrets.CONDA_FORGE_PAT }}
+          github-token-for-fork: ${{ secrets.CONDA_FORGE_FORK_PAT }}
+          automerge: true

docs/diracdoctools/scripts/dirac-docs-get-release-notes.py

@@ -504,26 +504,35 @@ def getGithubLatestTagDate(self, sinceTag):
         """
         log = LOGGER.getChild("getGithubLatestTagDate")
 
-        # Get all tags
-        tags = req2Json(url=self._github("tags"), queryParameters={"per_page": 100})
-        if isinstance(tags, dict) and "Not Found" in tags.get("message"):
-            raise RuntimeError(f"Package not found: {str(self)}")
-
         if sinceTag:
-            for tag in tags:
-                if tag["name"] == sinceTag:
-                    latestTag = tag
+            # Look the tag up directly as there are more tags than fit in a single page of
+            # the "tags" endpoint. This matches any tag starting with sinceTag so the exact
+            # match still has to be picked out of the results.
+            refs = req2Json(url=self._github(f"git/matching-refs/tags/{sinceTag}"), queryParameters={"per_page": 100})
+            for ref in refs:
+                if ref["ref"] == f"refs/tags/{sinceTag}":
                     break
             else:
                 raise ValueError(f"Tag {sinceTag} not found")
+            latestTagName = sinceTag
+            latestTagCommitSha = ref["object"]["sha"]
+            if ref["object"]["type"] == "tag":
+                # Annotated tags have to be dereferenced to find the commit they point at
+                tagInfo = req2Json(url=self._github(f"git/tags/{latestTagCommitSha}"))
+                latestTagCommitSha = tagInfo["object"]["sha"]
         else:
+            # Get all tags
+            tags = req2Json(url=self._github("tags"), queryParameters={"per_page": 100})
+            if isinstance(tags, dict) and "Not Found" in tags.get("message"):
+                raise RuntimeError(f"Package not found: {str(self)}")
+
             sortedTags = sorted(tags, key=lambda tag: LooseVersion(tag["name"]), reverse=True)
-            latestTag = sortedTags[0]
+            latestTagName = sortedTags[0]["name"]
+            latestTagCommitSha = sortedTags[0]["commit"]["sha"]
 
-        log.info("Found latest tag %s", latestTag["name"])
+        log.info("Found latest tag %s", latestTagName)
 
         # Use the sha of the commit to finally retrieve the date
-        latestTagCommitSha = latestTag["commit"]["sha"]
         commitInfo = req2Json(url=self._github(f"git/commits/{latestTagCommitSha}"))
 
         startDate = dateutil.parser.isoparse(commitInfo["committer"]["date"])