fix(sync-template): fix issue with .templatesyncignore conflicts

README.md

@@ -112,6 +112,8 @@ jobs:
 
 Create a `.templatesyncignore` file. Just like writing a `.gitignore` file, follow the [glob pattern](https://en.wikipedia.org/wiki/Glob_(programming)) in defining the files and folders that should be excluded from syncing with the template repository.
 
+_Note: It is not possible to sync also the `.templatesyncignore` itself. Any changes from the template repository will be restored automatically._
+
 ## Debug
 
 You must create a secret named `ACTIONS_STEP_DEBUG` with the value `true` to see the debug messages set by this command in the log. For more information, see "[Enabling debug logging.][enabling-debug-logging]"

src/sync_template.sh

@@ -56,6 +56,14 @@ echo "::debug::pull changes from template"
 git pull "${SOURCE_REPO}" --allow-unrelated-histories --squash --strategy=recursive -X theirs
 echo "::endgroup::"
 
+if [ -s ${TEMPLATE_SYNC_IGNORE_FILE_NAME} ]
+then
+  echo "::group::restore ignore file"
+  git reset ${TEMPLATE_SYNC_IGNORE_FILE_NAME}
+  git checkout -- ${TEMPLATE_SYNC_IGNORE_FILE_NAME}
+  echo "::endgroup::"
+fi
+
 echo "::group::persist template version"
 echo "write new template version file"
 echo "${NEW_TEMPLATE_GIT_HASH}" > ${TEMPLATE_VERSION_FILE_NAME}