From 617bff2eb359dfc2e3746f49e3dfd39f473a1ba2 Mon Sep 17 00:00:00 2001
From: Zouxxyy <zouxinyu.zxy@alibaba-inc.com>
Date: Thu, 21 Mar 2024 17:53:04 +0800
Subject: [PATCH] [hotfix] Add project root path to files to facilitate
 compiling modules in child dirs (#3063)

---
 .mvn/readme.txt | 4 ++++
 pom.xml         | 7 ++++---
 2 files changed, 8 insertions(+), 3 deletions(-)
 create mode 100644 .mvn/readme.txt

diff --git a/.mvn/readme.txt b/.mvn/readme.txt
new file mode 100644
index 000000000000..a1333a41d229
--- /dev/null
+++ b/.mvn/readme.txt
@@ -0,0 +1,4 @@
+The .mvn directory is needed to be able to use the ${maven.multiModuleProjectDirectory} property, since git cannot
+commit an empty directory, add this file.
+
+Once we do not use ${maven.multiModuleProjectDirectory}, we can remove this file and .mvn directory.
\ No newline at end of file
diff --git a/pom.xml b/pom.xml
index 6fdda9566d7b..eb30d0d74bc5 100644
--- a/pom.xml
+++ b/pom.xml
@@ -831,18 +831,19 @@ under the License.
                             </importOrder>
 
                             <licenseHeader>
-                                <file>copyright.txt</file>
+                                <!-- replace it with ${project.rootDirectory} after maven 4.0.0, see MNG-7038 -->
+                                <file>${maven.multiModuleProjectDirectory}/copyright.txt</file>
                                 <delimiter>${spotless.delimiter}</delimiter>
                             </licenseHeader>
                         </java>
                         <scala>
                             <scalafmt>
                                 <version>3.4.3</version>
-                                <file>.scalafmt.conf</file>
+                                <file>${maven.multiModuleProjectDirectory}/.scalafmt.conf</file>
                             </scalafmt>
 
                             <licenseHeader>
-                                <file>copyright.txt</file>
+                                <file>${maven.multiModuleProjectDirectory}/copyright.txt</file>
                                 <delimiter>${spotless.delimiter}</delimiter>
                             </licenseHeader>
                         </scala>