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checkpatch: improve --git <commit-count> shortcut 

The --git <commit-count> shortcut can be confused by a tag with a dash
like v4.4-rc1.

Improve the test to verify the <commit-count> expression ends with a
dash followed by a numeric value.

Improve the git log result to verify the "<sha1> <subject>" output
as well.

Link: http://lkml.kernel.org/r/c4a3f759291d967641860c3a54bb81177f34325f.1462711962.git.joe@perches.com
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2016-05-20 17:04:22 -07:00 committed by Linus Torvalds
parent 0dea9f1eef
commit 28898fd1a8
1 changed files with 4 additions and 6 deletions
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10
scripts/checkpatch.pl
View File

@ -809,11 +809,8 @@ if ($git) {
my @commits = ();
foreach my $commit_expr (@ARGV) {
my $git_range;
if ($commit_expr =~ m/-/) {
my @tmp = split(/-/, $commit_expr);
die "$P: incorrect git commit expression '$commit_expr' $!\n"
if (@tmp != 2);
$git_range = "-$tmp[1] $tmp[0]";
if ($commit_expr =~ m/^(.*)-(\d+)$/) {
$git_range = "-$2 $1";
} elsif ($commit_expr =~ m/\.\./) {
$git_range = "$commit_expr";
} else {
@ -821,7 +818,8 @@ if ($git) {
}
my $lines = `git log --no-color --no-merges --pretty=format:'%H %s' $git_range`;
foreach my $line (split(/\n/, $lines)) {
$line =~ /(^\w+) (.*)/;
$line =~ /^([0-9a-fA-F]{40,40}) (.*)$/;
next if (!defined($1) || !defined($2));
my $sha1 = $1;
my $subject = $2;
unshift(@commits, $sha1);