On Wed, 2018-07-25 at 15:12 +0200, Arnd Bergmann wrote:
> tools/perf/tests/.gitignore:
> LLVM byte-codes, uncompressed
> On Wed, Jul 25, 2018 at 2:55 AM, Andrew Morton
> <akpm@xxxxxxxxxxxxxxxxxxxx> wrote:
> > On Tue, 24 Jul 2018 17:13:20 -0700 Joe Perches <joe@xxxxxxxxxxx> wrote:
> >
> > > On Tue, 2018-07-24 at 14:00 -0700, Andrew Morton wrote:
> > > > On Tue, 24 Jul 2018 13:13:25 +0200 Arnd Bergmann <arnd@xxxxxxxx> wrote:
> > > > > Almost all files in the kernel are either plain text or UTF-8
> > > > > encoded. A couple however are ISO_8859-1, usually just a few
> > > > > characters in a C comments, for historic reasons.
> > > > > This converts them all to UTF-8 for consistency.
> > >
> > > []
> > > > Will we be getting a checkpatch rule to keep things this way?
> > >
> > > How would that be done?
> >
> > I'm using this, seems to work.
> >
> > if ! file $p | grep -q -P ", ASCII text|, UTF-8 Unicode text"
> > then
> > echo $p: weird charset
> > fi
>
> There are a couple of files that my version of 'find' incorrectly identified as
> something completely different, like:
>
> Documentation/devicetree/bindings/pinctrl/pinctrl-sx150x.txt:
> SemOne archive data
> Documentation/devicetree/bindings/rtc/epson,rtc7301.txt:
> Microsoft Document Imaging Format
> Documentation/filesystems/nfs/pnfs-block-server.txt:
> PPMN archive data
> arch/arm/boot/dts/bcm283x-rpi-usb-host.dtsi:
> Sendmail frozen configuration - version = "host";
> Documentation/networking/segmentation-offloads.txt:
> StuffIt Deluxe Segment (data) : gmentation Offloads in the
> Linux Networking Stack
> arch/sparc/include/asm/visasm.h: SAS 7+
> arch/xtensa/kernel/setup.c: ,
> init=0x454c, stat=0x090a, dev=0x2009, bas=0x2020
> drivers/cpufreq/powernow-k8.c:
> TI-XX Graphing Calculator (FLASH)
> tools/testing/selftests/net/forwarding/tc_shblocks.sh:
> Minix filesystem, V2 (big endian)
> tools/perf/tests/.gitignore:
> LLVM byte-codes, uncompressed
>
> All of the above seem to be valid ASCII or UTF-8 files, so the check
> above will lead
> to false-positives, but it may be good enough as they are the
> exception, and may be
> bugs in 'file'.
>
> Not sure if we need to worry about 'file' not being installed.
checkpatch works on patches so I think the test isn't
really relevant. It has to use the appropriate email
header that sets the charset.
perhaps:
---
scripts/checkpatch.pl | 10 +++++++---
1 file changed, 7 insertions(+), 3 deletions(-)
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index 34e4683de7a3..57355fbd2d28 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -2765,9 +2765,13 @@ sub process {
# Check if there is UTF-8 in a commit log when a mail header has explicitly
# declined it, i.e defined some charset where it is missing.
if ($in_header_lines &&
- $rawline =~ /^Content-Type:.+charset="(.+)".*$/ &&
- $1 !~ /utf-8/i) {
- $non_utf8_charset = 1;
+ $rawline =~ /^Content-Type:.+charset="?([^\s;"]+)/) {
+ my $charset = $1;
+ $non_utf8_charset = 1 if ($charset !~ /^utf-8$/i);
+ if ($charset !~ /^(?:us-ascii|utf-8|iso-8859-1)$/) {
+ WARN("PATCH_CHARSET",
+ "Unpreferred email header charset '$charset'\n" . $herecurr);
+ }
}
if ($in_commit_log && $non_utf8_charset && $realfile =~ /^$/ &&
--
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