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-rwxr-xr-xgit-annotate.perl508
1 files changed, 0 insertions, 508 deletions
diff --git a/git-annotate.perl b/git-annotate.perl
deleted file mode 100755
index feea0a2d81..0000000000
--- a/git-annotate.perl
+++ /dev/null
@@ -1,508 +0,0 @@
-#!/usr/bin/perl
-# Copyright 2006, Ryan Anderson <ryan@michonline.com>
-#
-# GPL v2 (See COPYING)
-#
-# This file is licensed under the GPL v2, or a later version
-# at the discretion of Linus Torvalds.
-
-use warnings;
-use strict;
-use Getopt::Long;
-use POSIX qw(strftime gmtime);
-
-sub usage() {
- print STDERR 'Usage: ${\basename $0} [-s] [-S revs-file] file [ revision ]
- -l, --long
- Show long rev (Defaults off)
- -t, --time
- Show raw timestamp (Defaults off)
- -r, --rename
- Follow renames (Defaults on).
- -S, --rev-file revs-file
- use revs from revs-file instead of calling git-rev-list
- -h, --help
- This message.
-';
-
- exit(1);
-}
-
-our ($help, $longrev, $rename, $rawtime, $starting_rev, $rev_file) = (0, 0, 1);
-
-my $rc = GetOptions( "long|l" => \$longrev,
- "time|t" => \$rawtime,
- "help|h" => \$help,
- "rename|r" => \$rename,
- "rev-file|S=s" => \$rev_file);
-if (!$rc or $help) {
- usage();
-}
-
-my $filename = shift @ARGV;
-if (@ARGV) {
- $starting_rev = shift @ARGV;
-}
-
-my @stack = (
- {
- 'rev' => defined $starting_rev ? $starting_rev : "HEAD",
- 'filename' => $filename,
- },
-);
-
-our @filelines = ();
-
-if (defined $starting_rev) {
- @filelines = git_cat_file($starting_rev, $filename);
-} else {
- open(F,"<",$filename)
- or die "Failed to open filename: $!";
-
- while(<F>) {
- chomp;
- push @filelines, $_;
- }
- close(F);
-
-}
-
-our %revs;
-our @revqueue;
-our $head;
-
-my $revsprocessed = 0;
-while (my $bound = pop @stack) {
- my @revisions = git_rev_list($bound->{'rev'}, $bound->{'filename'});
- foreach my $revinst (@revisions) {
- my ($rev, @parents) = @$revinst;
- $head ||= $rev;
-
- if (!defined($rev)) {
- $rev = "";
- }
- $revs{$rev}{'filename'} = $bound->{'filename'};
- if (scalar @parents > 0) {
- $revs{$rev}{'parents'} = \@parents;
- next;
- }
-
- if (!$rename) {
- next;
- }
-
- my $newbound = find_parent_renames($rev, $bound->{'filename'});
- if ( exists $newbound->{'filename'} && $newbound->{'filename'} ne $bound->{'filename'}) {
- push @stack, $newbound;
- $revs{$rev}{'parents'} = [$newbound->{'rev'}];
- }
- }
-}
-push @revqueue, $head;
-init_claim( defined $starting_rev ? $head : 'dirty');
-unless (defined $starting_rev) {
- my $diff = open_pipe("git","diff","-R", "HEAD", "--",$filename)
- or die "Failed to call git diff to check for dirty state: $!";
-
- _git_diff_parse($diff, $head, "dirty", (
- 'author' => gitvar_name("GIT_AUTHOR_IDENT"),
- 'author_date' => sprintf("%s +0000",time()),
- )
- );
- close($diff);
-}
-handle_rev();
-
-
-my $i = 0;
-foreach my $l (@filelines) {
- my ($output, $rev, $committer, $date);
- if (ref $l eq 'ARRAY') {
- ($output, $rev, $committer, $date) = @$l;
- if (!$longrev && length($rev) > 8) {
- $rev = substr($rev,0,8);
- }
- } else {
- $output = $l;
- ($rev, $committer, $date) = ('unknown', 'unknown', 'unknown');
- }
-
- printf("%s\t(%10s\t%10s\t%d)%s\n", $rev, $committer,
- format_date($date), ++$i, $output);
-}
-
-sub init_claim {
- my ($rev) = @_;
- for (my $i = 0; $i < @filelines; $i++) {
- $filelines[$i] = [ $filelines[$i], '', '', '', 1];
- # line,
- # rev,
- # author,
- # date,
- # 1 <-- belongs to the original file.
- }
- $revs{$rev}{'lines'} = \@filelines;
-}
-
-
-sub handle_rev {
- my $i = 0;
- my %seen;
- while (my $rev = shift @revqueue) {
- next if $seen{$rev}++;
-
- my %revinfo = git_commit_info($rev);
-
- foreach my $p (@{$revs{$rev}{'parents'}}) {
-
- git_diff_parse($p, $rev, %revinfo);
- push @revqueue, $p;
- }
-
-
- if (scalar @{$revs{$rev}{parents}} == 0) {
- # We must be at the initial rev here, so claim everything that is left.
- for (my $i = 0; $i < @{$revs{$rev}{lines}}; $i++) {
- if (ref ${$revs{$rev}{lines}}[$i] eq '' || ${$revs{$rev}{lines}}[$i][1] eq '') {
- claim_line($i, $rev, $revs{$rev}{lines}, %revinfo);
- }
- }
- }
- }
-}
-
-
-sub git_rev_list {
- my ($rev, $file) = @_;
-
- my $revlist;
- if ($rev_file) {
- open($revlist, '<' . $rev_file)
- or die "Failed to open $rev_file : $!";
- } else {
- $revlist = open_pipe("git-rev-list","--parents","--remove-empty",$rev,"--",$file)
- or die "Failed to exec git-rev-list: $!";
- }
-
- my @revs;
- while(my $line = <$revlist>) {
- chomp $line;
- my ($rev, @parents) = split /\s+/, $line;
- push @revs, [ $rev, @parents ];
- }
- close($revlist);
-
- printf("0 revs found for rev %s (%s)\n", $rev, $file) if (@revs == 0);
- return @revs;
-}
-
-sub find_parent_renames {
- my ($rev, $file) = @_;
-
- my $patch = open_pipe("git-diff-tree", "-M50", "-r","--name-status", "-z","$rev")
- or die "Failed to exec git-diff: $!";
-
- local $/ = "\0";
- my %bound;
- my $junk = <$patch>;
- while (my $change = <$patch>) {
- chomp $change;
- my $filename = <$patch>;
- chomp $filename;
-
- if ($change =~ m/^[AMD]$/ ) {
- next;
- } elsif ($change =~ m/^R/ ) {
- my $oldfilename = $filename;
- $filename = <$patch>;
- chomp $filename;
- if ( $file eq $filename ) {
- my $parent = git_find_parent($rev, $oldfilename);
- @bound{'rev','filename'} = ($parent, $oldfilename);
- last;
- }
- }
- }
- close($patch);
-
- return \%bound;
-}
-
-
-sub git_find_parent {
- my ($rev, $filename) = @_;
-
- my $revparent = open_pipe("git-rev-list","--remove-empty", "--parents","--max-count=1","$rev","--",$filename)
- or die "Failed to open git-rev-list to find a single parent: $!";
-
- my $parentline = <$revparent>;
- chomp $parentline;
- my ($revfound,$parent) = split m/\s+/, $parentline;
-
- close($revparent);
-
- return $parent;
-}
-
-
-# Get a diff between the current revision and a parent.
-# Record the commit information that results.
-sub git_diff_parse {
- my ($parent, $rev, %revinfo) = @_;
-
- my $diff = open_pipe("git-diff-tree","-M","-p",$rev,$parent,"--",
- $revs{$rev}{'filename'}, $revs{$parent}{'filename'})
- or die "Failed to call git-diff for annotation: $!";
-
- _git_diff_parse($diff, $parent, $rev, %revinfo);
-
- close($diff);
-}
-
-sub _git_diff_parse {
- my ($diff, $parent, $rev, %revinfo) = @_;
-
- my ($ri, $pi) = (0,0);
- my $slines = $revs{$rev}{'lines'};
- my @plines;
-
- my $gotheader = 0;
- my ($remstart);
- my ($hunk_start, $hunk_index);
- while(<$diff>) {
- chomp;
- if (m/^@@ -(\d+),(\d+) \+(\d+),(\d+)/) {
- $remstart = $1;
- # Adjust for 0-based arrays
- $remstart--;
- # Reinit hunk tracking.
- $hunk_start = $remstart;
- $hunk_index = 0;
- $gotheader = 1;
-
- for (my $i = $ri; $i < $remstart; $i++) {
- $plines[$pi++] = $slines->[$i];
- $ri++;
- }
- next;
- } elsif (!$gotheader) {
- next;
- }
-
- if (m/^\+(.*)$/) {
- my $line = $1;
- $plines[$pi++] = [ $line, '', '', '', 0 ];
- next;
-
- } elsif (m/^-(.*)$/) {
- my $line = $1;
- if (get_line($slines, $ri) eq $line) {
- # Found a match, claim
- claim_line($ri, $rev, $slines, %revinfo);
- } else {
- die sprintf("Sync error: %d/%d\n|%s\n|%s\n%s => %s\n",
- $ri, $hunk_start + $hunk_index,
- $line,
- get_line($slines, $ri),
- $rev, $parent);
- }
- $ri++;
-
- } elsif (m/^\\/) {
- ;
- # Skip \No newline at end of file.
- # But this can be internationalized, so only look
- # for an initial \
-
- } else {
- if (substr($_,1) ne get_line($slines,$ri) ) {
- die sprintf("Line %d (%d) does not match:\n|%s\n|%s\n%s => %s\n",
- $hunk_start + $hunk_index, $ri,
- substr($_,1),
- get_line($slines,$ri),
- $rev, $parent);
- }
- $plines[$pi++] = $slines->[$ri++];
- }
- $hunk_index++;
- }
- for (my $i = $ri; $i < @{$slines} ; $i++) {
- push @plines, $slines->[$ri++];
- }
-
- $revs{$parent}{lines} = \@plines;
- return;
-}
-
-sub get_line {
- my ($lines, $index) = @_;
-
- return ref $lines->[$index] ne '' ? $lines->[$index][0] : $lines->[$index];
-}
-
-sub git_cat_file {
- my ($rev, $filename) = @_;
- return () unless defined $rev && defined $filename;
-
- my $blob = git_ls_tree($rev, $filename);
- die "Failed to find a blob for $filename in rev $rev\n" if !defined $blob;
-
- my $catfile = open_pipe("git","cat-file", "blob", $blob)
- or die "Failed to git-cat-file blob $blob (rev $rev, file $filename): " . $!;
-
- my @lines;
- while(<$catfile>) {
- chomp;
- push @lines, $_;
- }
- close($catfile);
-
- return @lines;
-}
-
-sub git_ls_tree {
- my ($rev, $filename) = @_;
-
- my $lstree = open_pipe("git","ls-tree",$rev,$filename)
- or die "Failed to call git ls-tree: $!";
-
- my ($mode, $type, $blob, $tfilename);
- while(<$lstree>) {
- chomp;
- ($mode, $type, $blob, $tfilename) = split(/\s+/, $_, 4);
- last if ($tfilename eq $filename);
- }
- close($lstree);
-
- return $blob if ($tfilename eq $filename);
- die "git-ls-tree failed to find blob for $filename";
-
-}
-
-
-
-sub claim_line {
- my ($floffset, $rev, $lines, %revinfo) = @_;
- my $oline = get_line($lines, $floffset);
- @{$lines->[$floffset]} = ( $oline, $rev,
- $revinfo{'author'}, $revinfo{'author_date'} );
- #printf("Claiming line %d with rev %s: '%s'\n",
- # $floffset, $rev, $oline) if 1;
-}
-
-sub git_commit_info {
- my ($rev) = @_;
- my $commit = open_pipe("git-cat-file", "commit", $rev)
- or die "Failed to call git-cat-file: $!";
-
- my %info;
- while(<$commit>) {
- chomp;
- last if (length $_ == 0);
-
- if (m/^author (.*) <(.*)> (.*)$/) {
- $info{'author'} = $1;
- $info{'author_email'} = $2;
- $info{'author_date'} = $3;
- } elsif (m/^committer (.*) <(.*)> (.*)$/) {
- $info{'committer'} = $1;
- $info{'committer_email'} = $2;
- $info{'committer_date'} = $3;
- }
- }
- close($commit);
-
- return %info;
-}
-
-sub format_date {
- if ($rawtime) {
- return $_[0];
- }
- my ($timestamp, $timezone) = split(' ', $_[0]);
- my $minutes = abs($timezone);
- $minutes = int($minutes / 100) * 60 + ($minutes % 100);
- if ($timezone < 0) {
- $minutes = -$minutes;
- }
- my $t = $timestamp + $minutes * 60;
- return strftime("%Y-%m-%d %H:%M:%S " . $timezone, gmtime($t));
-}
-
-# Copied from git-send-email.perl - We need a Git.pm module..
-sub gitvar {
- my ($var) = @_;
- my $fh;
- my $pid = open($fh, '-|');
- die "$!" unless defined $pid;
- if (!$pid) {
- exec('git-var', $var) or die "$!";
- }
- my ($val) = <$fh>;
- close $fh or die "$!";
- chomp($val);
- return $val;
-}
-
-sub gitvar_name {
- my ($name) = @_;
- my $val = gitvar($name);
- my @field = split(/\s+/, $val);
- return join(' ', @field[0...(@field-4)]);
-}
-
-sub open_pipe {
- if ($^O eq '##INSERT_ACTIVESTATE_STRING_HERE##') {
- return open_pipe_activestate(@_);
- } else {
- return open_pipe_normal(@_);
- }
-}
-
-sub open_pipe_activestate {
- tie *fh, "Git::ActiveStatePipe", @_;
- return *fh;
-}
-
-sub open_pipe_normal {
- my (@execlist) = @_;
-
- my $pid = open my $kid, "-|";
- defined $pid or die "Cannot fork: $!";
-
- unless ($pid) {
- exec @execlist;
- die "Cannot exec @execlist: $!";
- }
-
- return $kid;
-}
-
-package Git::ActiveStatePipe;
-use strict;
-
-sub TIEHANDLE {
- my ($class, @params) = @_;
- my $cmdline = join " ", @params;
- my @data = qx{$cmdline};
- bless { i => 0, data => \@data }, $class;
-}
-
-sub READLINE {
- my $self = shift;
- if ($self->{i} >= scalar @{$self->{data}}) {
- return undef;
- }
- return $self->{'data'}->[ $self->{i}++ ];
-}
-
-sub CLOSE {
- my $self = shift;
- delete $self->{data};
- delete $self->{i};
-}
-
-sub EOF {
- my $self = shift;
- return ($self->{i} >= scalar @{$self->{data}});
-}
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