fix(templates): move Unity .meta files check to CD steps

Moving the Unity `.meta` files check to the CD steps ensures that
the check is only done for files that will be used as a Unity
package. This allows a project to not having to ship meta files for
every single file in the project.

Author: Christopher-Marcel Böddecker

.devops/azure-pipelines.yml

@@ -3,3 +3,5 @@ variables:
 
 jobs:
 - template: ../templates/jobs/cd.yml
+  parameters:
+    unityProject: false

templates/jobs/cd.yml

@@ -1,7 +1,12 @@
+parameters:
+  unityProject: true
+
 jobs:
 - job: Job
   displayName: CD
   pool:
     vmImage: vs2017-win2016
   steps:
   - template: ../steps/cd.yml
+    parameters:
+      unityProject: ${{ parameters.unityProject }}

templates/jobs/ci+cd.yml

@@ -19,3 +19,5 @@ jobs:
       unityProject: ${{ parameters.unityProject }}
       unityVersion: ${{ parameters.unityVersion }}
   - template: ../steps/cd.yml
+    parameters:
+      unityProject: ${{ parameters.unityProject }}

templates/steps/cd.yml

@@ -1,5 +1,65 @@
+parameters:
+  unityProject: true
+
 steps:
 - ${{ if ne(variables['Build.Reason'], 'PullRequest') }}:
+  - ${{ if parameters.unityProject }}:
+    - bash: |
+        npm pack
+        tarball=$(npm list — depth 0 | sed "s/@/-/g; s/ .*/.tgz/g; 1q;")
+        tarballFilePaths=$(tar -tf $tarball)
+
+        for filePath in $tarballFilePaths
+        do
+          case $filePath in
+            *.meta)
+              metaFilePath=$filePath
+              found=false
+              regularFilePath=${metaFilePath%.meta}
+              for otherFilePath in $tarballFilePaths
+              do
+                case $otherFilePath in
+                  $regularFilePath/* | $regularFilePath*) # folder or file
+                    if [ $metaFilePath != $otherFilePath ]
+                    then
+                      found=true
+                      break
+                    fi;;
+                esac
+              done
+              if [ "$found" = false ]
+              then
+                echo "Missing file for Unity meta file '$metaFilePath'." >&2
+              fi;;
+          esac
+        done
+
+        for filePath in $tarballFilePaths
+        do
+          case $filePath in
+            *.meta)
+              ;;
+            *)
+              regularFilePath=$filePath
+              found=false
+              for otherFilePath in $tarballFilePaths
+              do
+                case $otherFilePath in
+                  $regularFilePath.meta)
+                    found=true
+                    break;;
+                esac
+              done
+              if [ "$found" = false ]
+              then
+                echo "Missing Unity meta file for file '$regularFilePath'." >&2
+              fi;;
+          esac
+        done
+
+        rm -f $tarball
+      displayName: Check Unity .meta files
+      failOnStderr: true
   - bash: |
       mv -f package.json package.json.original
       cat > package.json <<- "EOF"

templates/steps/ci.yml

@@ -57,17 +57,3 @@ steps:
     msbuildArchitecture: x64
     ${{ if parameters.unityProject }}:
       msbuildArgs: /p:UnityEditorAssembliesPath="$(Unity.Path)Editor/Data/Managed/"
-- ${{ if parameters.unityProject }}:
-  - bash: |
-      for entry in $(find . -not -path "*/\.*" -not -path . -not -name "*.meta")
-        do if [ ! -f "$entry.meta" ]
-          then echo "Missing Unity meta file for '$entry'." >&2
-        fi
-      done
-      for entry in $(find . -not -path "*/\.*" -not -path . -name "*.meta")
-        do if [ ! -f ${entry::-5} ] && [ ! -d ${entry::-5} ]; then
-          echo "Missing file for Unity meta file '$entry'." >&2
-        fi
-      done
-    displayName: Check Unity .meta files
-    failOnStderr: true