LuciferYang opened a new pull request #31893:
URL: https://github.com/apache/spark/pull/31893
### What changes were proposed in this pull request?
After SPARK-34507, execute` change-scala-version.sh` script will update
`scala.version` in parent pom, but if we execute the following commands in
order：
```
dev/change-scala-version.sh 2.12
dev/change-scala-version.sh 2.11
git status
```
there will generate git diff as follow:
```
diff --git a/pom.xml b/pom.xml
index f4a50dc5c1..89fd7d88af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -155,7 +155,7 @@
<commons.math3.version>3.4.1</commons.math3.version>
<!-- managed up from 3.2.1 for SPARK-11652 -->
<commons.collections.version>3.2.2</commons.collections.version>
- <scala.version>2.11.12</scala.version>
+ <scala.version>2.12.10</scala.version>
<scala.binary.version>2.11</scala.binary.version>
<codehaus.jackson.version>1.9.13</codehaus.jackson.version>
<fasterxml.jackson.version>2.6.7</fasterxml.jackson.version>
```
seem 'scala.version' property was not update correctly.
So this pr add an extra 'scala.version' to scala-2.11 profile to ensure
change-scala-version.sh can update the public `scala.version` property
correctly.
### Why are the changes needed?
Bug fix.
### Does this PR introduce _any_ user-facing change?
No
### How was this patch tested?
**Manual test**
Execute the following commands in order：
```
dev/change-scala-version.sh 2.12
dev/change-scala-version.sh 2.11
git status
```
**Before**
```
diff --git a/pom.xml b/pom.xml
index f4a50dc5c1..89fd7d88af 100644
--- a/pom.xml
+++ b/pom.xml
@@ -155,7 +155,7 @@
<commons.math3.version>3.4.1</commons.math3.version>
<!-- managed up from 3.2.1 for SPARK-11652 -->
<commons.collections.version>3.2.2</commons.collections.version>
- <scala.version>2.11.12</scala.version>
+ <scala.version>2.12.10</scala.version>
<scala.binary.version>2.11</scala.binary.version>
<codehaus.jackson.version>1.9.13</codehaus.jackson.version>
<fasterxml.jackson.version>2.6.7</fasterxml.jackson.version>
```
**After**
No git diff.
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