Repository: spark
Updated Branches:
  refs/heads/branch-2.4 39e108f16 -> b739fb0d7


[SPARK-25840][BUILD] `make-distribution.sh` should not fail due to missing 
LICENSE-binary

## What changes were proposed in this pull request?

We vote for the artifacts. All releases are in the form of the source materials 
needed to make changes to the software being released. 
(http://www.apache.org/legal/release-policy.html#artifacts)

>From Spark 2.4.0, the source artifact and binary artifact starts to contain 
>own proper LICENSE files (LICENSE, LICENSE-binary). It's great to have them. 
>However, unfortunately, `dev/make-distribution.sh` inside source artifacts 
>start to fail because it expects `LICENSE-binary` and source artifact have 
>only the LICENSE file.

https://dist.apache.org/repos/dist/dev/spark/v2.4.0-rc4-bin/spark-2.4.0.tgz

`dev/make-distribution.sh` is used during the voting phase because we are 
voting on that source artifact instead of GitHub repository. Individual 
contributors usually don't have the downstream repository and starts to try 
build the voting source artifacts to help the verification for the source 
artifact during voting phase. (Personally, I did before.)

This PR aims to recover that script to work in any way. This doesn't aim for 
source artifacts to reproduce the compiled artifacts.

## How was this patch tested?

Manual.
```
$ rm LICENSE-binary
$ dev/make-distribution.sh
```

Closes #22840 from dongjoon-hyun/SPARK-25840.

Authored-by: Dongjoon Hyun <dongj...@apache.org>
Signed-off-by: Dongjoon Hyun <dongj...@apache.org>
(cherry picked from commit 79f3babcc6e189d7405464b9ac1eb1c017e51f5d)
Signed-off-by: Dongjoon Hyun <dongj...@apache.org>


Project: http://git-wip-us.apache.org/repos/asf/spark/repo
Commit: http://git-wip-us.apache.org/repos/asf/spark/commit/b739fb0d
Tree: http://git-wip-us.apache.org/repos/asf/spark/tree/b739fb0d
Diff: http://git-wip-us.apache.org/repos/asf/spark/diff/b739fb0d

Branch: refs/heads/branch-2.4
Commit: b739fb0d783adad68e7197caaa931a83eb1725bd
Parents: 39e108f
Author: Dongjoon Hyun <dongj...@apache.org>
Authored: Thu Oct 25 20:26:13 2018 -0700
Committer: Dongjoon Hyun <dongj...@apache.org>
Committed: Thu Oct 25 20:26:26 2018 -0700

----------------------------------------------------------------------
 dev/make-distribution.sh | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)
----------------------------------------------------------------------


http://git-wip-us.apache.org/repos/asf/spark/blob/b739fb0d/dev/make-distribution.sh
----------------------------------------------------------------------
diff --git a/dev/make-distribution.sh b/dev/make-distribution.sh
index 668682f..84f4ae9 100755
--- a/dev/make-distribution.sh
+++ b/dev/make-distribution.sh
@@ -212,9 +212,13 @@ mkdir -p "$DISTDIR/examples/src/main"
 cp -r "$SPARK_HOME/examples/src/main" "$DISTDIR/examples/src/"
 
 # Copy license and ASF files
-cp "$SPARK_HOME/LICENSE-binary" "$DISTDIR/LICENSE"
-cp -r "$SPARK_HOME/licenses-binary" "$DISTDIR/licenses"
-cp "$SPARK_HOME/NOTICE-binary" "$DISTDIR/NOTICE"
+if [ -e "$SPARK_HOME/LICENSE-binary" ]; then
+  cp "$SPARK_HOME/LICENSE-binary" "$DISTDIR/LICENSE"
+  cp -r "$SPARK_HOME/licenses-binary" "$DISTDIR/licenses"
+  cp "$SPARK_HOME/NOTICE-binary" "$DISTDIR/NOTICE"
+else
+  echo "Skipping copying LICENSE files"
+fi
 
 if [ -e "$SPARK_HOME/CHANGES.txt" ]; then
   cp "$SPARK_HOME/CHANGES.txt" "$DISTDIR"


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