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authorMichael G. Schwern <schwern@pobox.com>2012-07-26 17:26:01 -0700
committerEric Wong <normalperson@yhbt.net>2012-07-27 22:36:06 +0000
commitb74fda1c9b332b1216cc4d02ec256d6e350d5524 (patch)
tree2c222882f67cc65186db4b69ab03115c741a0f4c /git-svn.perl
parent2c96a6c3f1256d94d5f97fb9e0bdeafb8c0224b4 (diff)
downloadgit-b74fda1c9b332b1216cc4d02ec256d6e350d5524.tar.gz
Extract Git::SVN::Log from git-svn.
Straight cut & paste. Also noticed Git::SVN::Ra wasn't in the compile test. It is now. Signed-off-by: Eric Wong <normalperson@yhbt.net>
Diffstat (limited to 'git-svn.perl')
-rwxr-xr-xgit-svn.perl395
1 files changed, 1 insertions, 394 deletions
diff --git a/git-svn.perl b/git-svn.perl
index 48906becb7..15e5f3c0fe 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -11,6 +11,7 @@ $AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
$VERSION = '@@GIT_VERSION@@';
use Git::SVN;
+use Git::SVN::Log;
use Git::SVN::Utils qw(fatal can_compress);
# From which subdir have we been invoked?
@@ -2039,400 +2040,6 @@ sub gc_directory {
}
-package Git::SVN::Log;
-use strict;
-use warnings;
-use Git::SVN::Utils qw(fatal);
-use Git qw(command command_oneline command_output_pipe command_close_pipe);
-use POSIX qw/strftime/;
-use constant commit_log_separator => ('-' x 72) . "\n";
-use vars qw/$TZ $limit $color $pager $non_recursive $verbose $oneline
- %rusers $show_commit $incremental/;
-
-# Option set in git-svn
-our $_git_format;
-
-sub cmt_showable {
- my ($c) = @_;
- return 1 if defined $c->{r};
-
- # big commit message got truncated by the 16k pretty buffer in rev-list
- if ($c->{l} && $c->{l}->[-1] eq "...\n" &&
- $c->{a_raw} =~ /\@([a-f\d\-]+)>$/) {
- @{$c->{l}} = ();
- my @log = command(qw/cat-file commit/, $c->{c});
-
- # shift off the headers
- shift @log while ($log[0] ne '');
- shift @log;
-
- # TODO: make $c->{l} not have a trailing newline in the future
- @{$c->{l}} = map { "$_\n" } grep !/^git-svn-id: /, @log;
-
- (undef, $c->{r}, undef) = ::extract_metadata(
- (grep(/^git-svn-id: /, @log))[-1]);
- }
- return defined $c->{r};
-}
-
-sub log_use_color {
- return $color || Git->repository->get_colorbool('color.diff');
-}
-
-sub git_svn_log_cmd {
- my ($r_min, $r_max, @args) = @_;
- my $head = 'HEAD';
- my (@files, @log_opts);
- foreach my $x (@args) {
- if ($x eq '--' || @files) {
- push @files, $x;
- } else {
- if (::verify_ref("$x^0")) {
- $head = $x;
- } else {
- push @log_opts, $x;
- }
- }
- }
-
- my ($url, $rev, $uuid, $gs) = ::working_head_info($head);
-
- require Git::SVN;
- $gs ||= Git::SVN->_new;
- my @cmd = (qw/log --abbrev-commit --pretty=raw --default/,
- $gs->refname);
- push @cmd, '-r' unless $non_recursive;
- push @cmd, qw/--raw --name-status/ if $verbose;
- push @cmd, '--color' if log_use_color();
- push @cmd, @log_opts;
- if (defined $r_max && $r_max == $r_min) {
- push @cmd, '--max-count=1';
- if (my $c = $gs->rev_map_get($r_max)) {
- push @cmd, $c;
- }
- } elsif (defined $r_max) {
- if ($r_max < $r_min) {
- ($r_min, $r_max) = ($r_max, $r_min);
- }
- my (undef, $c_max) = $gs->find_rev_before($r_max, 1, $r_min);
- my (undef, $c_min) = $gs->find_rev_after($r_min, 1, $r_max);
- # If there are no commits in the range, both $c_max and $c_min
- # will be undefined. If there is at least 1 commit in the
- # range, both will be defined.
- return () if !defined $c_min || !defined $c_max;
- if ($c_min eq $c_max) {
- push @cmd, '--max-count=1', $c_min;
- } else {
- push @cmd, '--boundary', "$c_min..$c_max";
- }
- }
- return (@cmd, @files);
-}
-
-# adapted from pager.c
-sub config_pager {
- if (! -t *STDOUT) {
- $ENV{GIT_PAGER_IN_USE} = 'false';
- $pager = undef;
- return;
- }
- chomp($pager = command_oneline(qw(var GIT_PAGER)));
- if ($pager eq 'cat') {
- $pager = undef;
- }
- $ENV{GIT_PAGER_IN_USE} = defined($pager);
-}
-
-sub run_pager {
- return unless defined $pager;
- pipe my ($rfd, $wfd) or return;
- defined(my $pid = fork) or fatal "Can't fork: $!";
- if (!$pid) {
- open STDOUT, '>&', $wfd or
- fatal "Can't redirect to stdout: $!";
- return;
- }
- open STDIN, '<&', $rfd or fatal "Can't redirect stdin: $!";
- $ENV{LESS} ||= 'FRSX';
- exec $pager or fatal "Can't run pager: $! ($pager)";
-}
-
-sub format_svn_date {
- my $t = shift || time;
- require Git::SVN;
- my $gmoff = Git::SVN::get_tz($t);
- return strftime("%Y-%m-%d %H:%M:%S $gmoff (%a, %d %b %Y)", localtime($t));
-}
-
-sub parse_git_date {
- my ($t, $tz) = @_;
- # Date::Parse isn't in the standard Perl distro :(
- if ($tz =~ s/^\+//) {
- $t += tz_to_s_offset($tz);
- } elsif ($tz =~ s/^\-//) {
- $t -= tz_to_s_offset($tz);
- }
- return $t;
-}
-
-sub set_local_timezone {
- if (defined $TZ) {
- $ENV{TZ} = $TZ;
- } else {
- delete $ENV{TZ};
- }
-}
-
-sub tz_to_s_offset {
- my ($tz) = @_;
- $tz =~ s/(\d\d)$//;
- return ($1 * 60) + ($tz * 3600);
-}
-
-sub get_author_info {
- my ($dest, $author, $t, $tz) = @_;
- $author =~ s/(?:^\s*|\s*$)//g;
- $dest->{a_raw} = $author;
- my $au;
- if ($::_authors) {
- $au = $rusers{$author} || undef;
- }
- if (!$au) {
- ($au) = ($author =~ /<([^>]+)\@[^>]+>$/);
- }
- $dest->{t} = $t;
- $dest->{tz} = $tz;
- $dest->{a} = $au;
- $dest->{t_utc} = parse_git_date($t, $tz);
-}
-
-sub process_commit {
- my ($c, $r_min, $r_max, $defer) = @_;
- if (defined $r_min && defined $r_max) {
- if ($r_min == $c->{r} && $r_min == $r_max) {
- show_commit($c);
- return 0;
- }
- return 1 if $r_min == $r_max;
- if ($r_min < $r_max) {
- # we need to reverse the print order
- return 0 if (defined $limit && --$limit < 0);
- push @$defer, $c;
- return 1;
- }
- if ($r_min != $r_max) {
- return 1 if ($r_min < $c->{r});
- return 1 if ($r_max > $c->{r});
- }
- }
- return 0 if (defined $limit && --$limit < 0);
- show_commit($c);
- return 1;
-}
-
-my $l_fmt;
-sub show_commit {
- my $c = shift;
- if ($oneline) {
- my $x = "\n";
- if (my $l = $c->{l}) {
- while ($l->[0] =~ /^\s*$/) { shift @$l }
- $x = $l->[0];
- }
- $l_fmt ||= 'A' . length($c->{r});
- print 'r',pack($l_fmt, $c->{r}),' | ';
- print "$c->{c} | " if $show_commit;
- print $x;
- } else {
- show_commit_normal($c);
- }
-}
-
-sub show_commit_changed_paths {
- my ($c) = @_;
- return unless $c->{changed};
- print "Changed paths:\n", @{$c->{changed}};
-}
-
-sub show_commit_normal {
- my ($c) = @_;
- print commit_log_separator, "r$c->{r} | ";
- print "$c->{c} | " if $show_commit;
- print "$c->{a} | ", format_svn_date($c->{t_utc}), ' | ';
- my $nr_line = 0;
-
- if (my $l = $c->{l}) {
- while ($l->[$#$l] eq "\n" && $#$l > 0
- && $l->[($#$l - 1)] eq "\n") {
- pop @$l;
- }
- $nr_line = scalar @$l;
- if (!$nr_line) {
- print "1 line\n\n\n";
- } else {
- if ($nr_line == 1) {
- $nr_line = '1 line';
- } else {
- $nr_line .= ' lines';
- }
- print $nr_line, "\n";
- show_commit_changed_paths($c);
- print "\n";
- print $_ foreach @$l;
- }
- } else {
- print "1 line\n";
- show_commit_changed_paths($c);
- print "\n";
-
- }
- foreach my $x (qw/raw stat diff/) {
- if ($c->{$x}) {
- print "\n";
- print $_ foreach @{$c->{$x}}
- }
- }
-}
-
-sub cmd_show_log {
- my (@args) = @_;
- my ($r_min, $r_max);
- my $r_last = -1; # prevent dupes
- set_local_timezone();
- if (defined $::_revision) {
- if ($::_revision =~ /^(\d+):(\d+)$/) {
- ($r_min, $r_max) = ($1, $2);
- } elsif ($::_revision =~ /^\d+$/) {
- $r_min = $r_max = $::_revision;
- } else {
- fatal "-r$::_revision is not supported, use ",
- "standard 'git log' arguments instead";
- }
- }
-
- config_pager();
- @args = git_svn_log_cmd($r_min, $r_max, @args);
- if (!@args) {
- print commit_log_separator unless $incremental || $oneline;
- return;
- }
- my $log = command_output_pipe(@args);
- run_pager();
- my (@k, $c, $d, $stat);
- my $esc_color = qr/(?:\033\[(?:(?:\d+;)*\d*)?m)*/;
- while (<$log>) {
- if (/^${esc_color}commit (?:- )?($::sha1_short)/o) {
- my $cmt = $1;
- if ($c && cmt_showable($c) && $c->{r} != $r_last) {
- $r_last = $c->{r};
- process_commit($c, $r_min, $r_max, \@k) or
- goto out;
- }
- $d = undef;
- $c = { c => $cmt };
- } elsif (/^${esc_color}author (.+) (\d+) ([\-\+]?\d+)$/o) {
- get_author_info($c, $1, $2, $3);
- } elsif (/^${esc_color}(?:tree|parent|committer) /o) {
- # ignore
- } elsif (/^${esc_color}:\d{6} \d{6} $::sha1_short/o) {
- push @{$c->{raw}}, $_;
- } elsif (/^${esc_color}[ACRMDT]\t/) {
- # we could add $SVN->{svn_path} here, but that requires
- # remote access at the moment (repo_path_split)...
- s#^(${esc_color})([ACRMDT])\t#$1 $2 #o;
- push @{$c->{changed}}, $_;
- } elsif (/^${esc_color}diff /o) {
- $d = 1;
- push @{$c->{diff}}, $_;
- } elsif ($d) {
- push @{$c->{diff}}, $_;
- } elsif (/^\ .+\ \|\s*\d+\ $esc_color[\+\-]*
- $esc_color*[\+\-]*$esc_color$/x) {
- $stat = 1;
- push @{$c->{stat}}, $_;
- } elsif ($stat && /^ \d+ files changed, \d+ insertions/) {
- push @{$c->{stat}}, $_;
- $stat = undef;
- } elsif (/^${esc_color} (git-svn-id:.+)$/o) {
- ($c->{url}, $c->{r}, undef) = ::extract_metadata($1);
- } elsif (s/^${esc_color} //o) {
- push @{$c->{l}}, $_;
- }
- }
- if ($c && defined $c->{r} && $c->{r} != $r_last) {
- $r_last = $c->{r};
- process_commit($c, $r_min, $r_max, \@k);
- }
- if (@k) {
- ($r_min, $r_max) = ($r_max, $r_min);
- process_commit($_, $r_min, $r_max) foreach reverse @k;
- }
-out:
- close $log;
- print commit_log_separator unless $incremental || $oneline;
-}
-
-sub cmd_blame {
- my $path = pop;
-
- config_pager();
- run_pager();
-
- my ($fh, $ctx, $rev);
-
- if ($_git_format) {
- ($fh, $ctx) = command_output_pipe('blame', @_, $path);
- while (my $line = <$fh>) {
- if ($line =~ /^\^?([[:xdigit:]]+)\s/) {
- # Uncommitted edits show up as a rev ID of
- # all zeros, which we can't look up with
- # cmt_metadata
- if ($1 !~ /^0+$/) {
- (undef, $rev, undef) =
- ::cmt_metadata($1);
- $rev = '0' if (!$rev);
- } else {
- $rev = '0';
- }
- $rev = sprintf('%-10s', $rev);
- $line =~ s/^\^?[[:xdigit:]]+(\s)/$rev$1/;
- }
- print $line;
- }
- } else {
- ($fh, $ctx) = command_output_pipe('blame', '-p', @_, 'HEAD',
- '--', $path);
- my ($sha1);
- my %authors;
- my @buffer;
- my %dsha; #distinct sha keys
-
- while (my $line = <$fh>) {
- push @buffer, $line;
- if ($line =~ /^([[:xdigit:]]{40})\s\d+\s\d+/) {
- $dsha{$1} = 1;
- }
- }
-
- my $s2r = ::cmt_sha2rev_batch([keys %dsha]);
-
- foreach my $line (@buffer) {
- if ($line =~ /^([[:xdigit:]]{40})\s\d+\s\d+/) {
- $rev = $s2r->{$1};
- $rev = '0' if (!$rev)
- }
- elsif ($line =~ /^author (.*)/) {
- $authors{$rev} = $1;
- $authors{$rev} =~ s/\s/_/g;
- }
- elsif ($line =~ /^\t(.*)$/) {
- printf("%6s %10s %s\n", $rev, $authors{$rev}, $1);
- }
- }
- }
- command_close_pipe($fh, $ctx);
-}
-
package Git::SVN::Migration;
# these version numbers do NOT correspond to actual version numbers
# of git nor git-svn. They are just relative.