jenkins: include support for binary patches
-------------------------------------------
Key: HADOOP-8291
URL: https://issues.apache.org/jira/browse/HADOOP-8291
Project: Hadoop Common
Issue Type: Improvement
Reporter: Colin Patrick McCabe
Priority: Minor
git, as well as the latest version of the GNU patch program, include support
for generating binary diffs. These are diffs between binary files.
If we added support for binary diffs to Jenkins, it would be very useful for
testing changes which involve altering a binary file. Currently these changes
are untestable by Jenkins, because binary diffs show up in older patch files
like this:
{code}
diff --git hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored
hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored
index 5099ce2..75fb82f 100644
Binary files hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored and
hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored differ
{code}
As you can see, this has no actual information about what the change was.
However, when using binary diffs (git diff --binary) you get something like
this:
{code}
diff --git hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored
hadoop-hdfs-project/hadoop-hdfs/src/test/resources/editsStored
index
5099ce21b3026331ccda23d2fe289b6d7b427f69..75fb82ff751954afd796641f467c09e13e3ce0a2
100644
GIT binary patch
delta 60
zcmZpYS}C>RD~|~W0|Zzz@aU&y=A_0a7o{eaqyhyw@>0v)i}Fhg-Us^0i9?myFdlcG
F2msT84>SM(
delta 21
YcmZ1})g-myD-W+Y0|Z#lUwp|306=R6wg3PC
{code}
We should add support for this to Jenkins. It might be as simple as upgrading
the version of GNU patch on the server.
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