Kengo Seki created HADOOP-12301:
-----------------------------------
Summary: Fix some test-patch plugins to count the diff lines
correctly
Key: HADOOP-12301
URL: https://issues.apache.org/jira/browse/HADOOP-12301
Project: Hadoop Common
Issue Type: Sub-task
Components: yetus
Affects Versions: HADOOP-12111
Reporter: Kengo Seki
Some test-patch plugins have problems about counting the diff lines.
1. ruby-lint.sh counts only lines which have four or more fields:
{code}
diffPostpatch=$(${AWK} -F: 'BEGIN {sum=0} 4<NF {sum+=1} END {print sum}'
"${PATCH_DIR}/diff-patch-ruby-lint.txt")
if [[ ${diffPostpatch} -gt 0 ]] ; then
# shellcheck disable=SC2016
numPrepatch=$(${AWK} -F: 'BEGIN {sum=0} 4<NF {sum+=1} END {print sum}'
"${PATCH_DIR}/branch-ruby-lint-result.txt")
# shellcheck disable=SC2016
numPostpatch=$(${AWK} -F: 'BEGIN {sum=0} 4<NF {sum+=1} END {print sum}'
"${PATCH_DIR}/patch-ruby-lint-result.txt")
{code}
This is because the diff result can contain multiple lines for one issue. For
example:
{code}
[sekikn@mobile hadoop]$ cat /tmp/test-patch-hbase/1149/diff-patch-rubocop.txt
bin/draining_servers.rb:165:1: C: Do not introduce global variables.
$FOO
^^^^
bin/draining_servers.rb:166:1: C: Do not introduce global variables.
$BAR
^^^^
{code}
Checking the number of fields is intended to skip the second, third, fifth and
sixth lines above. But four or more colons can appear in the source code
itself, so more reliable way is needed.
2. pylint.sh has the same problem. In addition, I removed awk's '-F:' option by
mistake on HADOOP-12286. It must report a wrong number for now.
3. On the other hand, rubocop.sh counts the lines in the same way as
ruby-lint.sh, but rubocop seems to report one issue by one line. So it'd better
to count by 'wc -l', in the same as perlcritic.sh.
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