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Date: Sun, 8 May 2016 05:55:47 -0700 From: Joe Perches <joe@...ches.com> To: Andrew Morton <akpm@...ux-foundation.org>, Andy Whitcroft <apw@...onical.com> Cc: "Du, Changbin" <changbin.du@...el.com>, linux-kernel@...r.kernel.org Subject: [PATCH 2/2] 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. Signed-off-by: Joe Perches <joe@...ches.com> --- scripts/checkpatch.pl | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 9283662..6750595 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -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); -- 2.8.0.rc4.16.g56331f8
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