use relative path within same context #224 (#225)

* use relative path within same context #224

* added tests

* updated test case to reflect scoped relative paths. #224

.github/workflows/nuget.yml

@@ -173,6 +173,7 @@ jobs:
         gharun --event azpipelines -C testworkflows/azpipelines/version-literal -W testworkflows/azpipelines/version-literal/pipeline.yml
         gharun --event azpipelines -C testworkflows/azpipelines/relative-and-absolute-paths -W testworkflows/azpipelines/relative-and-absolute-paths/pipeline.yml
         gharun --event azpipelines -C testworkflows/azpipelines/null-each-loop -W testworkflows/azpipelines/null-each-loop/pipeline.yml
+        gharun --event azpipelines -C testworkflows/azpipelines/cross-repo-relative-paths/repo1 -W testworkflows/azpipelines/cross-repo-relative-paths/repo1/pipeline.yml --local-repository central/shared@main=testworkflows/azpipelines/cross-repo-relative-paths/repo2
     - name: Windows Container Change Firewall Settings
       if: contains(matrix.os, 'windows') && !job.container
       run: |

src/Sdk/AzurePipelines/AzureDevops.cs

@@ -466,7 +466,7 @@ public static MappingToken ReadTemplate(Runner.Server.Azure.Devops.Context conte
         var fileId = templateContext.GetFileId(filename);
         // Read the file
         var finalRepository = afilenameAndRef.Length == 1 ? context.RepositoryAndRef : string.Equals(afilenameAndRef[1], "self", StringComparison.OrdinalIgnoreCase) ? null : context.Repositories.TryGetValue(afilenameAndRef[1], out var ralias) ? ralias : throw new Exception($"Couldn't find repository with alias {afilenameAndRef[1]} in repository resources");
-        var finalFileName = afilenameAndRef.Length == 1 ? RelativeTo(context.CWD ?? ".", filename) : filename;
+        var finalFileName = context.RepositoryAndRef == finalRepository ? RelativeTo(context.CWD ?? ".", filename) : filename;
         if(finalFileName == null) {
             throw new Exception($"Couldn't find template location {filenameAndRef}");
         }

testworkflows/azpipelines/cross-repo-relative-paths/repo1/pipeline.yml

@@ -0,0 +1,9 @@
+resources:
+  repositories:
+  - repository: shared
+    name: central/shared
+    type: git
+    ref: main
+
+jobs:
+- template: /templates/job.yml@shared

testworkflows/azpipelines/cross-repo-relative-paths/repo2/templates/job.yml

@@ -0,0 +1,5 @@
+
+jobs:
+- job: job1
+  steps:
+  - template: step.yml@shared # scoped relative path

testworkflows/azpipelines/cross-repo-relative-paths/repo2/templates/step.yml

@@ -0,0 +1,2 @@
+steps:
+- script: exit 0