[SPARK-48153][INFRA] Run `build` job of `build_and_test.yml` only if needed
### What changes were proposed in this pull request?
This PR aims to run `build` job of `build_and_test.yml` only if needed to reduce the maximum concurrency of Apache Spark GitHub Action usage.
### Why are the changes needed?
To meet ASF Infra GitHub Action policy, we need to reduce the maximum concurrency.
- https://infra.apache.org/github-actions-policy.html
### Does this PR introduce _any_ user-facing change?
No.
### How was this patch tested?
Pass the CIs.
### Was this patch authored or co-authored using generative AI tooling?
No.
Closes #46412 from dongjoon-hyun/SPARK-48153.
Authored-by: Dongjoon Hyun <dhyun@apple.com>
Signed-off-by: Dongjoon Hyun <dhyun@apple.com>
diff --git a/.github/workflows/build_and_test.yml b/.github/workflows/build_and_test.yml
index 80b5879..b34456f 100644
--- a/.github/workflows/build_and_test.yml
+++ b/.github/workflows/build_and_test.yml
@@ -93,11 +93,10 @@
buf=false
ui=false
fi
- # 'build' is always true for now.
- # It does not save significant time and most of PRs trigger the build.
+ build=`./dev/is-changed.py -m "core,unsafe,kvstore,avro,utils,network-common,network-shuffle,repl,launcher,examples,sketch,variant,api,catalyst,hive-thriftserver,mllib-local,mllib,graphx,streaming,sql-kafka-0-10,streaming-kafka-0-10,streaming-kinesis-asl,kubernetes,hadoop-cloud,spark-ganglia-lgpl,protobuf,yarn,connect,sql,hive"`
precondition="
{
- \"build\": \"true\",
+ \"build\": \"$build\",
\"pyspark\": \"$pyspark\",
\"pyspark-pandas\": \"$pandas\",
\"sparkr\": \"$sparkr\",
