[HADOOP-12187] Whitespace plugin shows unexpected error messages if gitdiffcontent is empty

• Type: Sub-task
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Fix Version/s: HADOOP-12111
• Component/s: yetus
• Assignee: Kengo Seki
• Reporter: Kengo Seki
• Created: 06/Jul/15 01:35
• Updated: 13/Jul/15 17:13
• Resolved: 13/Jul/15 17:13

Description

In the case that gitdiffcontent is empty such as only removing lines, the following error messages are shown in console:

awk: cmd. line:1: fatal: cannot open file `/tmp/test-patch-pig/3298/gitdiffcontent.txt' for reading (No such file or directory)
grep: /tmp/test-patch-pig/3298/gitdiffcontent.txt: No such file or directory