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#!/usr/bin/env perl
# This file is part of the LibreOffice project.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# Checks the style of the files changed in the last commit, for CI purposes.
use strict;
use warnings;
use lib "solenv/clang-format";
use ClangFormat;
my $commit = 0;
my $commit_id = 'HEAD';
sub check_style()
{
if ( ! -e ".git" )
{
# Can't diff when this is not a git checkout.
return;
}
my $src = ClangFormat::get_extension_regex();
my @good_names = ();
my @bad_names = ();
my $blacklist_names = ClangFormat::get_blacklist();
my $clang_format = ClangFormat::find();
my $parent = $commit + 1;
# Get a list of non-deleted changed files.
# Explicitly use the low-level 'git diff-tree' (rather than plain 'git
# diff') so we get the new, but not the old files for renames and/or
# copies.
open (FILES, "git diff-tree -r --diff-filter=AM --name-only ${commit_id}~${parent} ${commit_id}~${commit} |") || die "Cannot run git diff.";
while (my $filename = <FILES>)
{
chomp $filename;
if ($filename =~ /\.($src)$/ and !exists($blacklist_names->{$filename}))
{
if (! -x $clang_format)
{
my $version = ClangFormat::get_wanted_version();
print("solenv/clang-format/check-last-commit: ");
print("ERROR: no clang-format ${version} was found.\n\n");
exit(1);
}
if (ClangFormat::check_style($clang_format, $filename))
{
push @good_names, $filename;
}
else
{
push @bad_names, $filename;
}
}
}
# Enforce style.
if (scalar @bad_names)
{
print("\nERROR: The above differences were found between the code to commit \n");
print("and the clang-format rules. Tips:\n");
print("\n- You may run '/opt/lo/bin/clang-format -i <problematic file>' to fix up style automatically.\n");
print("- See solenv/clang-format/README on where to get the required version of clang-format binaries.\n");
print("- If you renamed a blacklisted file, update solenv/clang-format/blacklist accordingly to keep it blacklisted.\n");
print("\nsolenv/clang-format/check-last-commit: KO\n");
exit(1);
}
else
{
print("solenv/clang-format/check-last-commit: checked the following files:\n");
print(join("\n", @good_names));
print("\nsolenv/clang-format/check-last-commit: OK\n");
}
}
if (scalar(@ARGV) == 1)
{
if (($ARGV[0] !~ /^[0-9]+$/) || (scalar($ARGV[0]) >= 8))
{
$commit_id = $ARGV[0];
}
else
{
$commit = $ARGV[0];
}
}
check_style();
exit(0);
# vim: set shiftwidth=4 softtabstop=4 expandtab:
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