chore: Run on diffs only from PR branch (googleapis#8685)

https://matthew-brett.github.io/pydagogue/git_diff_dots.html#diff-with-three-dots Should have been diffs on the PR Branch
suztomo · Oct 25, 2022 · f1f2c92 · f1f2c92
1 parent e7742a0
commit f1f2c92
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/.kokoro/common.sh b/.kokoro/common.sh
@@ -64,7 +64,7 @@ function generate_modified_modules_list() {
   # Filter for java modules and get all the unique elements
   # grep returns 1 (error code) and exits the pipeline if there is no match
   # If there is no match, it will return true so the rest of the commands can run
-  modified_files=$(git diff --name-only "${KOKORO_GITHUB_PULL_REQUEST_COMMIT}...${KOKORO_GITHUB_PULL_REQUEST_TARGET_BRANCH}")
+  modified_files=$(git diff --name-only "${KOKORO_GITHUB_PULL_REQUEST_TARGET_BRANCH}...${KOKORO_GITHUB_PULL_REQUEST_COMMIT}")
   printf "Modified files:\n%s\n" "${modified_files}"
 
   modified_module_list=()