-#!/usr/bin/perl
+#!/usr/bin/env perl
use 5.010;
use strict;
use warnings;
use Data::Dump 'pp';
use Getopt::Long qw(:config bundling);
+our $VERSION = '1.00';
+
GetOptions(\my %opt,
'debug!',
'', # stdin
'grep|S=s',
'min|min-count|unique|u:i',
'max|max-count|show|n:i',
+ 'hash|H!',
'version|V' => sub { Getopt::Long::VersionMessage() },
'usage|h' => sub { Getopt::Long::HelpMessage() },
'help|man|?' => sub { Getopt::Long::HelpMessage(-verbose => 2) },
my $inputstream = $opt{''} ? \*ARGV : eval {
require Git;
- Git::command_output_pipe('log', '-z', '--pretty=format:%b', @ARGV);
+ Git::command_output_pipe('log', '-z', '--pretty=format:%h%n%b', @ARGV);
} || die "Automatic git log failed: $@";
local $| = 1;
local $/ = "\0";
-my $HEADERMATCH = qr/ [a-z]+ (?: (?:-\w+)+ | \ by ) | cc | reference /ix;
+my $HEADERMATCH = qr/ [a-z]+ (?: (?:-\w+)+ | \ by ) | cc | reference /imsx;
my (%headercount, @headercache);
while (readline $inputstream) {
- s/^([0-9a-f]{4,40})\n//m and
- my $hash = $1;
+ s/^ ([0-9a-f]{4,40}) \n//msx;
+ my $hash = $opt{hash} ? $1 : undef;
# strip commit seperator
chomp;
# skip expensive checks without potential identifier
m/:/ or next;
# try to parse as UTF-8
- eval { $_ = decode(utf8 => $_, Encode::FB_CROAK()) };
+ eval { $_ = decode(utf8 => $_, Encode::FB_CROAK()); return 1 }
# if invalid, assume it's latin1
- $_ = decode(cp1252 => $_) if $@;
-
- my %attr;
+ or $_ = decode(cp1252 => $_);
BLOCK:
for (reverse split /\n\n/) {
LINE:
for (split /\n/) {
- next if not /\S/;
+ next if not m/\S/;
my @header = m{
^
(?<key> $HEADERMATCH)
: \s*
- (?<val> \S .+)
+ (?<val> \S [^\n]+)
$
- }imx or do {
+ }imsx or do {
$prefix++;
next LINE;
};
for ($header[0]) {
tr/ _/-/;
- state $BY = qr{ (?: -? b[yu] )? \Z }ix;
- s{^ si (?:ge?n|n?g) (?:e?[dt])? -? (?:of+)? $BY}{Signed-off-by}ix;
- s{^ ack (?:ed|de)? $BY}{Acked-by}ix;
- s{^ review (?:e?d)? $BY}{Reviewed-by}ix;
- s{^ teste[dt] $BY}{Tested-by}ix;
+ state $BY = qr{ (?: -? b[yu] )? \Z }imsx;
+ s{\A si (?:ge?n|n?g) (?:e?[dt])? -? (?:of+)? $BY}{Signed-off-by}imsx;
+ s{\A ack (?:ed|de)? $BY}{Acked-by}imsx;
+ s{\A review (?:e?d)? $BY}{Reviewed-by}imsx;
+ s{\A teste[dt] $BY}{Tested-by}imsx;
}
}
if (defined $opt{grep}) {
- $_ ~~ qr/$opt{grep}/i or next LINE;
+ $_ ~~ qr/$opt{grep}/im or next LINE;
}
given ($opt{simplify} // 'none') {
}{<...>}imsx;
}
when (['var', 'vars', '']) {
- when ($header[0] =~ /[ _-] (?: by | to ) $ | ^cc$/imsx) {
+ when ($header[0] =~ m/[ _-] (?: by | to ) $ | ^cc$/imsx) {
$header[1] = undef;
}
for ($header[1]) {
for (@headers) {
my $line = $_->[2] // join(': ', @$_);
- $line =~ s/^/$hash / if defined $hash;
+ $line =~ s/\A/$hash /msx if defined $hash;
if (defined $opt{min} or $opt{max} or $opt{count}) {
my $counter = \$headercount{ $_->[0] }->{ $_->[1] // '' };
- my $excess = $$counter++ - ($opt{min} // 0);
+ my $excess = ${$counter}++ - ($opt{min} // 0);
next if $excess >= ($opt{max} || 1);
next if $excess < 0;
if ($opt{count}) {
Prefixes (unique) lines by the number of occurrences.
Causes output to be buffered until all input has been read (obviously).
+=item -H, --hash
+
+Prefixes the SHA1 hash of the (or a) matching commit.
+
=back
=head1 EXAMPLES
List the ten most frequently used attribute names.
-=item git-grep-footer -n2 -i -s -- --reverse
+=item git-grep-footer -n2 -i -s --hash -- --reverse
The earliest two usages of each distinct identifier.