read citus version from pkgvars

Author: onurctirtir

.github/workflows/test-package-installation.yml

@@ -35,13 +35,14 @@ jobs:
           echo "Discovered platforms: ${platforms}"
           echo "platforms=${platforms}" >> "$GITHUB_OUTPUT"
 
-      - name: Resolve Citus & PG versions from postgres-matrix.yml
+      - name: Resolve Citus & PG versions
         id: resolve_versions
         run: |
+          git show "origin/${SOURCE_BRANCH}:pkgvars" > /tmp/pkgvars
           git show "origin/${SOURCE_BRANCH}:postgres-matrix.yml" > /tmp/postgres-matrix.yml
 
-          # Latest entry = last element in version_matrix
-          citus_version=$(yq '.version_matrix[-1] | keys | .[0]' /tmp/postgres-matrix.yml)
+          # Extract version from pkglatest (e.g. "14.0.0.citus-1" -> "14.0.0")
+          citus_version=$(grep '^pkglatest=' /tmp/pkgvars | sed 's/^pkglatest=//;s/\.citus-.*//')
 
           pg_versions=$(
             yq -o=json \

test_package_installation/README.md

@@ -30,5 +30,6 @@ You can manually trigger the workflow using [this GitHub Actions tab](https://gi
 
 It asks for the Citus version to test, and then it automatically discovers the supported platforms and
 compatible PostgreSQL versions from the `all-citus` branch, using
-[.github/workflows/build-package.yml](https://github.com/citusdata/packaging/blob/all-citus/.github/workflows/build-package.yml)
-and [postgres-matrix.yml](https://github.com/citusdata/packaging/blob/all-citus/postgres-matrix.yml) files.
+[.github/workflows/build-package.yml](https://github.com/citusdata/packaging/blob/all-citus/.github/workflows/build-package.yml),
+[postgres-matrix.yml](https://github.com/citusdata/packaging/blob/all-citus/postgres-matrix.yml) and
+[pkgvars](https://github.com/citusdata/packaging/blob/all-citus/pkgvars) files.