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8650c6298c
Speed up the "lint-docs" target by making it non-.PHONY. Similar to myc234e8a0ec(Makefile: make the "sparse" target non-.PHONY, 2021-09-23). We'll now create empty files corresponding to a dependency graph for each of these lint scripts. This speeds things up a bit[1], and makes the output correspond to any in-tree changes we have: $ touch git-add.txt; make lint-docs; make lint-docs GEN cmd-list.made GEN doc.dep LINT GITLINK git-add.txt LINT MAN END git-add.txt LINT MAN SEC git-add.txt make: Nothing to be done for 'lint-docs'. As with the "sparse" target changes this has a hard dependency on the use of ".DELETE_ON_ERROR" in the Makefile, added here indb10fc6c09(doc: simplify Makefile using .DELETE_ON_ERROR, 2021-05-21). This method also depends on the output for us emitting any errors on STDERR (fixed in a preceding commit), as well us these scripts exiting with non-zero on any errors (which they were already doing). 1. $ git show HEAD~:Documentation/Makefile >Makefile.old $ hyperfine --warmup 2 -L f ",.old" 'make -j1 -f Makefile{f} lint-docs' Benchmark #1: make -j1 -f Makefile lint-docs Time (mean ± σ): 60.8 ms ± 1.4 ms [User: 58.7 ms, System: 2.5 ms] Range (min … max): 58.9 ms … 64.0 ms 48 runs Benchmark #2: make -j1 -f Makefile.old lint-docs Time (mean ± σ): 84.0 ms ± 1.5 ms [User: 78.6 ms, System: 5.7 ms] Range (min … max): 81.8 ms … 87.8 ms 35 runs Summary 'make -j1 -f Makefile lint-docs' ran 1.38 ± 0.04 times faster than 'make -j1 -f Makefile.old lint-docs' Signed-off-by: Ævar Arnfjörð Bjarmason <avarab@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
69 lines
1.5 KiB
Perl
Executable file
69 lines
1.5 KiB
Perl
Executable file
#!/usr/bin/perl
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use strict;
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use warnings;
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# Parse arguments, a simple state machine for input like:
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#
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# <file-to-check.txt> <valid-files-to-link-to> --section=1 git.txt git-add.txt [...] --to-lint git-add.txt a-file.txt [...]
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my %TXT;
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my %SECTION;
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my $section;
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my $lint_these = 0;
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my $to_check = shift @ARGV;
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for my $arg (@ARGV) {
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if (my ($sec) = $arg =~ /^--section=(\d+)$/s) {
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$section = $sec;
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next;
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}
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my ($name) = $arg =~ /^(.*?)\.txt$/s;
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unless (defined $section) {
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$TXT{$name} = $arg;
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next;
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}
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$SECTION{$name} = $section;
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}
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my $exit_code = 0;
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sub report {
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my ($pos, $line, $target, $msg) = @_;
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substr($line, $pos) = "' <-- HERE";
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$line =~ s/^\s+//;
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print STDERR "$ARGV:$.: error: $target: $msg, shown with 'HERE' below:\n";
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print STDERR "$ARGV:$.:\t'$line\n";
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$exit_code = 1;
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}
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@ARGV = sort values %TXT;
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die "BUG: No list of valid linkgit:* files given" unless @ARGV;
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@ARGV = $to_check;
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while (<>) {
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my $line = $_;
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while ($line =~ m/linkgit:((.*?)\[(\d)\])/g) {
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my $pos = pos $line;
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my ($target, $page, $section) = ($1, $2, $3);
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# De-AsciiDoc
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$page =~ s/{litdd}/--/g;
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if (!exists $TXT{$page}) {
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report($pos, $line, $target, "link outside of our own docs");
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next;
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}
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if (!exists $SECTION{$page}) {
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report($pos, $line, $target, "link outside of our sectioned docs");
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next;
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}
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my $real_section = $SECTION{$page};
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if ($section != $SECTION{$page}) {
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report($pos, $line, $target, "wrong section (should be $real_section)");
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next;
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}
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}
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# this resets our $. for each file
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close ARGV if eof;
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}
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exit $exit_code;
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