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Implemented the suggestion by abs@ of reducing the number of warnings in

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patch files. Up to now, the lines that only provide the context for the
patches have been checked for absolute pathnames and the like. Now, only
those lines that really add something to the patched file are checked.
The context lines are checked when the -Wextra option is given.

While here, added some comments to help me understand the code that I
wrote years ago.
This commit is contained in:
rillig 2009-03-10 19:41:21 +00:00
parent 8ea6904840
commit 542fef01a4
1 changed files with 34 additions and 21 deletions
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55
pkgtools/pkglint/files/pkglint.pl
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@ -1,5 +1,5 @@
#! @PERL@
# $NetBSD: pkglint.pl,v 1.800 2009/02/14 10:42:20 rillig Exp $
# $NetBSD: pkglint.pl,v 1.801 2009/03/10 19:41:21 rillig Exp $
#
# pkglint - static analyzer and checker for pkgsrc packages
@ -23,7 +23,7 @@
# Freely redistributable. Absolutely no warranty.
# To get an overview of the code, run:
# sed -n -e 's,^\(sub .*\) {.*, \1,p' -e '/^package/p'
# sed -n -e 's,^\(sub .*\) {.*, \1,p' -e '/^package/p' pkglint.pl
#==========================================================================
# Note: The @EXPORT clauses in the packages must be in a BEGIN block,
@ -7090,12 +7090,25 @@ sub checkfile_patch($) {
}
};
my $check_hunk_line = sub($$$$) {
my ($deldelta, $adddelta, $newstate, $check_added) = @_;
# @param deldelta
# The number of lines that are deleted from the patched file.
# @param adddelta
# The number of lines that are added to the patched file.
# @param newstate
# The follow-up state when this line is the last line to be
# added in this hunk of the patch.
#
my $check_hunk_line = sub($$$) {
my ($deldelta, $adddelta, $newstate) = @_;
$check_contents->();
$check_hunk_end->($deldelta, $adddelta, $newstate);
if ($check_added) {
# If -Wextra is given, the context lines are checked for
# absolute paths and similar things. If it is not given,
# only those lines that really add something to the patched
# file are checked.
if ($adddelta != 0 && ($deldelta == 0 || $opt_warn_extra)) {
$check_added_contents->();
}
};
@ -7151,17 +7164,17 @@ sub checkfile_patch($) {
? (1 + $m->text(2) - $m->text(1))
: ($m->text(1));
}], [PST_CLD0, re_patch_clc, PST_CLD, sub() {
$check_hunk_line->(1, 0, PST_CLD0, false);
$check_hunk_line->(1, 0, PST_CLD0);
}], [PST_CLD0, re_patch_cld, PST_CLD, sub() {
$check_hunk_line->(1, 0, PST_CLD0, false);
$check_hunk_line->(1, 0, PST_CLD0);
}], [PST_CLD0, re_patch_clm, PST_CLD, sub() {
$check_hunk_line->(1, 0, PST_CLD0, false);
$check_hunk_line->(1, 0, PST_CLD0);
}], [PST_CLD, re_patch_clc, PST_CLD, sub() {
$check_hunk_line->(1, 0, PST_CLD0, false);
$check_hunk_line->(1, 0, PST_CLD0);
}], [PST_CLD, re_patch_cld, PST_CLD, sub() {
$check_hunk_line->(1, 0, PST_CLD0, false);
$check_hunk_line->(1, 0, PST_CLD0);
}], [PST_CLD, re_patch_clm, PST_CLD, sub() {
$check_hunk_line->(1, 0, PST_CLD0, false);
$check_hunk_line->(1, 0, PST_CLD0);
}], [PST_CLD, undef, PST_CLD0, sub() {
if ($dellines != 0) {
$line->log_warning("Invalid number of deleted lines (${dellines} missing).");
@ -7172,17 +7185,17 @@ sub checkfile_patch($) {
? (1 + $m->text(2) - $m->text(1))
: ($m->text(1));
}], [PST_CLA0, re_patch_clc, PST_CLA, sub() {
$check_hunk_line->(0, 1, PST_CH, true);
$check_hunk_line->(0, 1, PST_CH);
}], [PST_CLA0, re_patch_clm, PST_CLA, sub() {
$check_hunk_line->(0, 1, PST_CH, true);
$check_hunk_line->(0, 1, PST_CH);
}], [PST_CLA0, re_patch_cla, PST_CLA, sub() {
$check_hunk_line->(0, 1, PST_CH, true);
$check_hunk_line->(0, 1, PST_CH);
}], [PST_CLA, re_patch_clc, PST_CLA, sub() {
$check_hunk_line->(0, 1, PST_CH, true);
$check_hunk_line->(0, 1, PST_CH);
}], [PST_CLA, re_patch_clm, PST_CLA, sub() {
$check_hunk_line->(0, 1, PST_CH, true);
$check_hunk_line->(0, 1, PST_CH);
}], [PST_CLA, re_patch_cla, PST_CLA, sub() {
$check_hunk_line->(0, 1, PST_CH, true);
$check_hunk_line->(0, 1, PST_CH);
}], [PST_CLA, undef, PST_CLA0, sub() {
if ($addlines != 0) {
$line->log_warning("Invalid number of added lines (${addlines} missing).");
@ -7211,16 +7224,16 @@ sub checkfile_patch($) {
$leading_context_lines = 0;
$trailing_context_lines = 0;
}], [PST_UL, re_patch_uld, PST_UL, sub() {
$check_hunk_line->(1, 0, PST_UH, false);
$check_hunk_line->(1, 0, PST_UH);
}], [PST_UL, re_patch_ula, PST_UL, sub() {
$check_hunk_line->(0, 1, PST_UH, true);
$check_hunk_line->(0, 1, PST_UH);
}], [PST_UL, re_patch_ulc, PST_UL, sub() {
$check_hunk_line->(1, 1, PST_UH, true);
$check_hunk_line->(1, 1, PST_UH);
}], [PST_UL, re_patch_ulnonl, PST_UL, sub() {
#
}], [PST_UL, re_patch_empty, PST_UL, sub() {
$opt_warn_space and $line->log_note("Leading white-space missing in hunk.");
$check_hunk_line->(1, 1, PST_UH, false);
$check_hunk_line->(1, 1, PST_UH);
}], [PST_UL, undef, PST_UH, sub() {
if ($dellines != 0 || $addlines != 0) {
$line->log_warning("Unexpected end of hunk (-${dellines},+${addlines} expected).");