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get_maintainer.pl: restrict cases where it falls back to --git

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The list emitted by --git-fallback often leads inexperienced contributors
to add pointless CCs.  While not discouraging usage of --git-fallback,
we want to:

1) disable the fallback if only some files lack a maintainer

    $ scripts/get_maintainer.pl -f util/cutils.c hw/ide/core.c
    Kevin Wolf <kwolf@redhat.com> (odd fixer:IDE)
    Stefan Hajnoczi <stefanha@redhat.com> (odd fixer:IDE)

This behavior is taken even if --git-fallback is specified.

2) warn the contributors about what we're doing, asking them to use their
common sense:

    $ scripts/get_maintainer.pl -f util/cutils.c
    get_maintainer.pl: No maintainers found, printing recent contributors.
    get_maintainer.pl: Do not blindly cc: them on patches!  Use common sense.

    Luiz Capitulino <lcapitulino@redhat.com> (commit_signer:1/2=50%)
    ...
    $

Explicitly disabling the fallback will not result in the warning message:

    $ scripts/get_maintainer.pl -f util/cutils.c   --no-git-fallback
    $ echo $?
    0

(Returning 1 would break usage of scripts/get_maintainer.pl as a cccmd
for git-send-email).

Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2014-10-22 10:41:16 +02:00
parent 8ad2c0f0f8
commit c6561586f0
1 changed files with 9 additions and 0 deletions
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9
scripts/get_maintainer.pl
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@ -652,6 +652,15 @@ sub get_maintainers {
}
if ($email) {
if (! $interactive) {
$email_git_fallback = 0 if @email_to > 0 || @list_to > 0 || $email_git || $email_git_blame;
if ($email_git_fallback) {
print STDERR "get_maintainer.pl: No maintainers found, printing recent contributors.\n";
print STDERR "get_maintainer.pl: Do not blindly cc: them on patches! Use common sense.\n";
print STDERR "\n";
}
}
foreach my $file (@files) {
if ($email_git || ($email_git_fallback &&
!$exact_pattern_match_hash{$file})) {