On Sun, 15 Mar 2020 07:35:46 -0400
"Michael S. Tsirkin" <m...@redhat.com> wrote:
> If the process documented in tests/qtest/bios-tables-test.c
> is followed, then same patch never touches both expected
> files and code. Teach checkpatch to enforce this rule.
>
> Signed-off-by: Michael S. Tsirkin <m...@redhat.com>
Tested-by: Igor Mammedov <imamm...@redhat.com>
> ---
>
> Peter, Igor what do you think?
>
> scripts/checkpatch.pl | 24 ++++++++++++++++++++++++
> 1 file changed, 24 insertions(+)
>
> diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> index b27e4ff5e9..96583e3fff 100755
> --- a/scripts/checkpatch.pl
> +++ b/scripts/checkpatch.pl
> @@ -35,6 +35,8 @@ my $summary_file = 0;
> my $root;
> my %debug;
> my $help = 0;
> +my $testexpected;
> +my $nontestexpected;
>
> sub help {
> my ($exitcode) = @_;
> @@ -1256,6 +1258,26 @@ sub WARN {
> }
> }
>
> +# According to tests/qtest/bios-tables-test.c: do not
> +# change expected file in the same commit with adding test
> +sub checkfilename {
> + my ($name) = @_;
> + if ($name =~ m#^tests/data/acpi/# and
> + # make exception for a shell script that rebuilds the files
> + not $name =~ m#^\.sh$# or
> + $name =~ m#^tests/qtest/bios-tables-test-allowed-diff.h$#) {
> + $testexpected = $name;
> + } else {
> + $nontestexpected = $name;
> + }
> + if (defined $testexpected and defined $nontestexpected) {
> + ERROR("Do not add expected files together with tests, " .
> + "follow instructions in " .
> + "tests/qtest/bios-tables-test.c: both " .
> + $testexpected . " and " . $nontestexpected . " found\n");
> + }
> +}
> +
> sub process {
> my $filename = shift;
>
> @@ -1431,9 +1453,11 @@ sub process {
> if ($line =~ /^diff --git.*?(\S+)$/) {
> $realfile = $1;
> $realfile =~ s@^([^/]*)/@@ if (!$file);
> + checkfilename($realfile);
> } elsif ($line =~ /^\+\+\+\s+(\S+)/) {
> $realfile = $1;
> $realfile =~ s@^([^/]*)/@@ if (!$file);
> + checkfilename($realfile);
>
> $p1_prefix = $1;
> if (!$file && $tree && $p1_prefix ne '' &&
