Add more useful error messages if versions are inconsistent

.github/workflows/version_check.yml

@@ -41,6 +41,7 @@ jobs:
 
       - name: Check version consistency
         shell: julia --color=yes --project=. {0}
+        continue-on-error: true
         run: |
           using Pkg
           Pkg.activate(temp=true)
@@ -117,6 +118,8 @@ jobs:
           manifest_version = VersionNumber(manifest_toml["deps"]["Turing"][1]["version"])
           println("Manifest.toml version: ", manifest_version)
 
+          errors = []
+
           if ENV["TARGET_IS_MASTER"] == "true"
               # Fetch the latest version from GitHub and update files to match this version
               # if necessary.
@@ -126,16 +129,20 @@ jobs:
               println("Latest Turing.jl version: ", latest_version)
 
               if !major_minor_match(latest_version, project_version)
+                  push!(errors, "$(PROJECT_TOML_PATH) out of date")
                   println("$(PROJECT_TOML_PATH) is out of date; updating")
                   update_project_toml(PROJECT_TOML_PATH, latest_version)
               end
 
               if !major_minor_match(latest_version, quarto_version)
+                  push!(errors, "$(QUARTO_YML_PATH) out of date")
+                  n_errors += 1
                   println("$(QUARTO_YML_PATH) is out of date; updating")
                   update_quarto_yml(QUARTO_YML_PATH, latest_version)
               end
 
               if !major_minor_patch_match(latest_version, manifest_version)
+                  push!(errors, "$(MANIFEST_TOML_PATH) out of date")
                   # Attempt to automatically update Manifest
                   println("$(MANIFEST_TOML_PATH) is out of date; updating")
                   old_env = Pkg.project().path
@@ -146,10 +153,14 @@ jobs:
                   manifest_toml = TOML.parsefile(MANIFEST_TOML_PATH)
                   manifest_version = VersionNumber(manifest_toml["deps"]["Turing"][1]["version"])
                   if !major_minor_patch_match(latest_version, manifest_version)
-                      error("Failed to update Manifest.toml to match latest Turing.jl version")
+                      push!(errors, "Failed to update $(MANIFEST_TOML_PATH) to match latest Turing.jl version")
                   end
               end
 
+              if !isempty(errors)
+                  error("The following errors occurred during version checking: \n", join(errors, "\n"))
+              end
+
           else
               # Don't attempt to fetch the latest version; just check for consistency
               # and error if versions don't match.
@@ -174,7 +185,7 @@ jobs:
           title: "Update Turing.jl version to match latest release"
 
       - name: Comment on PR about suggested changes
-        if: ${{ github.event_name == 'pull_request' }} && ${{ steps.create_pr.outputs.pull-request-operation == 'created' }}
+        if: ${{ github.event_name == 'pull_request' && steps.create_pr.outputs.pull-request-operation == 'created' }}
         uses: thollander/actions-comment-pull-request@v2
         with:
           message: |