validate-deployment-settings action: Removed check that all versions in release are in prerelease, updated hash equality check to exclude majors that are not in both pre/release

Author: CodeGat

.github/actions/validate-deployment-settings/action.yml

@@ -38,32 +38,26 @@ runs:
           echo "msg=$msg" >> $GITHUB_OUTPUT
         fi
 
-    - name: Check All Spack Major Versions in Release are in Prerelease
-      id: spack-maj-all-rel-in-pre
-      shell: bash
-      run: |
-        majors_only_in_release=$(jq --compact-output --raw-output \
-          '.deployment.${{ inputs.target }} | (.Release.spack | keys) - (.Prerelease.spack | keys) | @sh' \
-          ${{ inputs.settings-path }}
-        )
-
-        if [[ "$majors_only_in_release" != "" ]]; then
-          msg="Spack versions ${majors_only_in_release} do not exist in Prerelease. Spack versions in Release should be tested in Prerelease first."
-          echo "::${{ inputs.error-level }}::$msg"
-          echo "msg=$msg" >> $GITHUB_OUTPUT
-        fi
-
     - name: Check All Spack Hash Versions are Equal
       id: spack-hash-all-equal
       shell: bash
+      # This step gets all the 'major-version: hash' entries for both Release and Prerelease (Ex for Release: [{"0.20": "92e3h3e9"}, ...]).
+      # It then merges them together based on major version (Ex. [[{"0.20": "u298rer3", "0.20": "r98u349u"}], ...]).
+      # And then finally compares the hashes for each major version, and returns the major versions where they differ.
       run: |
         release_version_hashes=$(jq '.deployment.${{ inputs.target }}.Release.spack | to_entries' ${{ inputs.settings-path }})
         prerelease_version_hashes=$(jq '.deployment.${{ inputs.target }}.Prerelease.spack | to_entries' ${{ inputs.settings-path }})
 
         unequal_hashes_for_version=$(jq --compact-output --raw-output --null-input \
           --argjson r "$release_version_hashes" \
           --argjson p "$prerelease_version_hashes" \
-          '$r + $p | [group_by(.key)[] | select(.[0].value != .[1].value) | .[0].key] | @sh'
+          '$r + $p
+          | [
+              group_by(.key)[]
+              | select(.[0] != null and .[1] != null and .[0].value != .[1].value)
+              | .[0].key
+            ]
+          | @sh'
         )
 
         if [[ "$unequal_hashes_for_version" != "" ]]; then