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checkpatch.pl: add check for Change-Id

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A commit hook for the Gerrit code review server [1] inserts change
identifiers so Gerrit can track patches through multiple revisions.
These identifiers are noise in the context of the upstream kernel.
(Many Gerrit servers are private.  Even given a public instance, given
only a Change-Id, one must guess which server a change was tracked on.
Patches submitted to the Linux kernel mailing lists should be able to
stand on their own.  If it's truly useful to reference code review on a
Gerrit server, a URL is a much clearer way to do so.) Thus, issue an
error when a Change-Id line is encountered before the Signed-off-by.

1. https://gerrit.googlesource.com/gerrit/+/master/gerrit-server/src/main/resources/com/google/gerrit/server/tools/root/hooks/commit-msg

Signed-off-by: Christopher Covington <cov@codeaurora.org>
Cc: Joe Perches <joe@perches.com>
Cc: Andy Whitcroft <apw@shadowen.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Christopher Covington 2014-04-03 14:49:31 -07:00 committed by Linus Torvalds
parent 74915c7dd0
commit 7ebd05ef16
1 changed files with 6 additions and 0 deletions
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6
scripts/checkpatch.pl
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@ -1924,6 +1924,12 @@ sub process {
}
}
# Check for unwanted Gerrit info
if ($in_commit_log && $line =~ /^\s*change-id:/i) {
ERROR("GERRIT_CHANGE_ID",
"Remove Gerrit Change-Id's before submitting upstream.\n" . $herecurr);
}
# Check for wrappage within a valid hunk of the file
if ($realcnt != 0 && $line !~ m{^(?:\+|-| |\\ No newline|$)}) {
ERROR("CORRUPTED_PATCH",