Merge pull request #7895 from github/cklin/upgrades-initial-dbscheme

Upgrade scripts testing: set initial dbschemes

Author: cklin

.gitattributes

@@ -52,6 +52,12 @@
 java/ql/test/stubs/**/*.java linguist-generated=true
 java/ql/test/experimental/stubs/**/*.java linguist-generated=true
 
+# For some languages, upgrade script testing references really old dbscheme
+# files from legacy upgrades that have CRLF line endings. Since upgrade
+# resolution relies on object hashes, we must suppress line ending conversion
+# for those testing dbscheme files.
+*/ql/lib/upgrades/initial/*.dbscheme -text
+
 # Generated test files - these are synced from the standard JavaScript libraries using
 # `javascript/ql/experimental/adaptivethreatmodeling/test/update_endpoint_test_files.py`.
 javascript/ql/experimental/adaptivethreatmodeling/test/endpoint_large_scale/autogenerated/**/*.js linguist-generated=true -merge