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-rwxr-xr-xcontrib/git-svn/git-svn.perl1129
1 files changed, 0 insertions, 1129 deletions
diff --git a/contrib/git-svn/git-svn.perl b/contrib/git-svn/git-svn.perl
deleted file mode 100755
index cf233ef6ed..0000000000
--- a/contrib/git-svn/git-svn.perl
+++ /dev/null
@@ -1,1129 +0,0 @@
-#!/usr/bin/env perl
-# Copyright (C) 2006, Eric Wong <normalperson@yhbt.net>
-# License: GPL v2 or later
-use warnings;
-use strict;
-use vars qw/ $AUTHOR $VERSION
- $SVN_URL $SVN_INFO $SVN_WC $SVN_UUID
- $GIT_SVN_INDEX $GIT_SVN
- $GIT_DIR $REV_DIR/;
-$AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
-$VERSION = '0.10.0';
-$GIT_DIR = $ENV{GIT_DIR} || "$ENV{PWD}/.git";
-# make sure the svn binary gives consistent output between locales and TZs:
-$ENV{TZ} = 'UTC';
-$ENV{LC_ALL} = 'C';
-
-# If SVN:: library support is added, please make the dependencies
-# optional and preserve the capability to use the command-line client.
-# use eval { require SVN::... } to make it lazy load
-# We don't use any modules not in the standard Perl distribution:
-use Carp qw/croak/;
-use IO::File qw//;
-use File::Basename qw/dirname basename/;
-use File::Path qw/mkpath/;
-use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
-use File::Spec qw//;
-use POSIX qw/strftime/;
-my $sha1 = qr/[a-f\d]{40}/;
-my $sha1_short = qr/[a-f\d]{4,40}/;
-my ($_revision,$_stdin,$_no_ignore_ext,$_no_stop_copy,$_help,$_rmdir,$_edit,
- $_find_copies_harder, $_l, $_version, $_upgrade, $_authors);
-my (@_branch_from, %tree_map, %users);
-my $_svn_co_url_revs;
-
-my %fc_opts = ( 'no-ignore-externals' => \$_no_ignore_ext,
- 'branch|b=s' => \@_branch_from,
- 'authors-file|A=s' => \$_authors );
-my %cmd = (
- fetch => [ \&fetch, "Download new revisions from SVN",
- { 'revision|r=s' => \$_revision, %fc_opts } ],
- init => [ \&init, "Initialize and fetch (import)", { } ],
- commit => [ \&commit, "Commit git revisions to SVN",
- { 'stdin|' => \$_stdin,
- 'edit|e' => \$_edit,
- 'rmdir' => \$_rmdir,
- 'find-copies-harder' => \$_find_copies_harder,
- 'l=i' => \$_l,
- %fc_opts,
- } ],
- 'show-ignore' => [ \&show_ignore, "Show svn:ignore listings", { } ],
- rebuild => [ \&rebuild, "Rebuild git-svn metadata (after git clone)",
- { 'no-ignore-externals' => \$_no_ignore_ext,
- 'upgrade' => \$_upgrade } ],
-);
-my $cmd;
-for (my $i = 0; $i < @ARGV; $i++) {
- if (defined $cmd{$ARGV[$i]}) {
- $cmd = $ARGV[$i];
- splice @ARGV, $i, 1;
- last;
- }
-};
-
-my %opts = %{$cmd{$cmd}->[2]} if (defined $cmd);
-
-GetOptions(%opts, 'help|H|h' => \$_help,
- 'version|V' => \$_version,
- 'id|i=s' => \$GIT_SVN) or exit 1;
-
-$GIT_SVN ||= $ENV{GIT_SVN_ID} || 'git-svn';
-$GIT_SVN_INDEX = "$GIT_DIR/$GIT_SVN/index";
-$ENV{GIT_DIR} ||= $GIT_DIR;
-$SVN_URL = undef;
-$REV_DIR = "$GIT_DIR/$GIT_SVN/revs";
-$SVN_WC = "$GIT_DIR/$GIT_SVN/tree";
-
-usage(0) if $_help;
-version() if $_version;
-usage(1) unless defined $cmd;
-load_authors() if $_authors;
-svn_compat_check();
-$cmd{$cmd}->[0]->(@ARGV);
-exit 0;
-
-####################### primary functions ######################
-sub usage {
- my $exit = shift || 0;
- my $fd = $exit ? \*STDERR : \*STDOUT;
- print $fd <<"";
-git-svn - bidirectional operations between a single Subversion tree and git
-Usage: $0 <command> [options] [arguments]\n
-
- print $fd "Available commands:\n" unless $cmd;
-
- foreach (sort keys %cmd) {
- next if $cmd && $cmd ne $_;
- print $fd ' ',pack('A13',$_),$cmd{$_}->[1],"\n";
- foreach (keys %{$cmd{$_}->[2]}) {
- # prints out arguments as they should be passed:
- my $x = s#=s$## ? '<arg>' : s#=i$## ? '<num>' : '';
- print $fd ' ' x 17, join(', ', map { length $_ > 1 ?
- "--$_" : "-$_" }
- split /\|/,$_)," $x\n";
- }
- }
- print $fd <<"";
-\nGIT_SVN_ID may be set in the environment or via the --id/-i switch to an
-arbitrary identifier if you're tracking multiple SVN branches/repositories in
-one git repository and want to keep them separate. See git-svn(1) for more
-information.
-
- exit $exit;
-}
-
-sub version {
- print "git-svn version $VERSION\n";
- exit 0;
-}
-
-sub rebuild {
- $SVN_URL = shift or undef;
- my $newest_rev = 0;
- if ($_upgrade) {
- sys('git-update-ref',"refs/remotes/$GIT_SVN","$GIT_SVN-HEAD");
- } else {
- check_upgrade_needed();
- }
-
- my $pid = open(my $rev_list,'-|');
- defined $pid or croak $!;
- if ($pid == 0) {
- exec("git-rev-list","refs/remotes/$GIT_SVN") or croak $!;
- }
- my $latest;
- while (<$rev_list>) {
- chomp;
- my $c = $_;
- croak "Non-SHA1: $c\n" unless $c =~ /^$sha1$/o;
- my @commit = grep(/^git-svn-id: /,`git-cat-file commit $c`);
- next if (!@commit); # skip merges
- my $id = $commit[$#commit];
- my ($url, $rev, $uuid) = ($id =~ /^git-svn-id:\s(\S+?)\@(\d+)
- \s([a-f\d\-]+)$/x);
- if (!$rev || !$uuid || !$url) {
- # some of the original repositories I made had
- # indentifiers like this:
- ($rev, $uuid) = ($id =~/^git-svn-id:\s(\d+)
- \@([a-f\d\-]+)/x);
- if (!$rev || !$uuid) {
- croak "Unable to extract revision or UUID from ",
- "$c, $id\n";
- }
- }
-
- # if we merged or otherwise started elsewhere, this is
- # how we break out of it
- next if (defined $SVN_UUID && ($uuid ne $SVN_UUID));
- next if (defined $SVN_URL && defined $url && ($url ne $SVN_URL));
-
- print "r$rev = $c\n";
- unless (defined $latest) {
- if (!$SVN_URL && !$url) {
- croak "SVN repository location required: $url\n";
- }
- $SVN_URL ||= $url;
- $SVN_UUID ||= $uuid;
- setup_git_svn();
- $latest = $rev;
- }
- assert_revision_eq_or_unknown($rev, $c);
- sys('git-update-ref',"$GIT_SVN/revs/$rev",$c);
- $newest_rev = $rev if ($rev > $newest_rev);
- }
- close $rev_list or croak $?;
- if (!chdir $SVN_WC) {
- svn_cmd_checkout($SVN_URL, $latest, $SVN_WC);
- chdir $SVN_WC or croak $!;
- }
-
- $pid = fork;
- defined $pid or croak $!;
- if ($pid == 0) {
- my @svn_up = qw(svn up);
- push @svn_up, '--ignore-externals' unless $_no_ignore_ext;
- sys(@svn_up,"-r$newest_rev");
- $ENV{GIT_INDEX_FILE} = $GIT_SVN_INDEX;
- git_addremove();
- exec('git-write-tree');
- }
- waitpid $pid, 0;
-
- if ($_upgrade) {
- print STDERR <<"";
-Keeping deprecated refs/head/$GIT_SVN-HEAD for now. Please remove it
-when you have upgraded your tools and habits to use refs/remotes/$GIT_SVN
-
- }
-}
-
-sub init {
- $SVN_URL = shift or croak "SVN repository location required\n";
- unless (-d $GIT_DIR) {
- sys('git-init-db');
- }
- setup_git_svn();
-}
-
-sub fetch {
- my (@parents) = @_;
- check_upgrade_needed();
- $SVN_URL ||= file_to_s("$GIT_DIR/$GIT_SVN/info/url");
- my @log_args = -d $SVN_WC ? ($SVN_WC) : ($SVN_URL);
- unless ($_revision) {
- $_revision = -d $SVN_WC ? 'BASE:HEAD' : '0:HEAD';
- }
- push @log_args, "-r$_revision";
- push @log_args, '--stop-on-copy' unless $_no_stop_copy;
-
- my $svn_log = svn_log_raw(@log_args);
- @$svn_log = sort { $a->{revision} <=> $b->{revision} } @$svn_log;
-
- my $base = shift @$svn_log or croak "No base revision!\n";
- my $last_commit = undef;
- unless (-d $SVN_WC) {
- svn_cmd_checkout($SVN_URL,$base->{revision},$SVN_WC);
- chdir $SVN_WC or croak $!;
- read_uuid();
- $last_commit = git_commit($base, @parents);
- assert_svn_wc_clean($base->{revision}, $last_commit);
- } else {
- chdir $SVN_WC or croak $!;
- read_uuid();
- $last_commit = file_to_s("$REV_DIR/$base->{revision}");
- }
- my @svn_up = qw(svn up);
- push @svn_up, '--ignore-externals' unless $_no_ignore_ext;
- my $last_rev = $base->{revision};
- foreach my $log_msg (@$svn_log) {
- assert_svn_wc_clean($last_rev, $last_commit);
- $last_rev = $log_msg->{revision};
- sys(@svn_up,"-r$last_rev");
- $last_commit = git_commit($log_msg, $last_commit, @parents);
- }
- assert_svn_wc_clean($last_rev, $last_commit);
- unless (-e "$GIT_DIR/refs/heads/master") {
- sys(qw(git-update-ref refs/heads/master),$last_commit);
- }
- return pop @$svn_log;
-}
-
-sub commit {
- my (@commits) = @_;
- check_upgrade_needed();
- if ($_stdin || !@commits) {
- print "Reading from stdin...\n";
- @commits = ();
- while (<STDIN>) {
- if (/\b($sha1_short)\b/o) {
- unshift @commits, $1;
- }
- }
- }
- my @revs;
- foreach my $c (@commits) {
- chomp(my @tmp = safe_qx('git-rev-parse',$c));
- if (scalar @tmp == 1) {
- push @revs, $tmp[0];
- } elsif (scalar @tmp > 1) {
- push @revs, reverse (safe_qx('git-rev-list',@tmp));
- } else {
- die "Failed to rev-parse $c\n";
- }
- }
- chomp @revs;
-
- fetch();
- chdir $SVN_WC or croak $!;
- my $info = svn_info('.');
- read_uuid($info);
- my $svn_current_rev = $info->{'Last Changed Rev'};
- foreach my $c (@revs) {
- my $mods = svn_checkout_tree($svn_current_rev, $c);
- if (scalar @$mods == 0) {
- print "Skipping, no changes detected\n";
- next;
- }
- $svn_current_rev = svn_commit_tree($svn_current_rev, $c);
- }
- print "Done committing ",scalar @revs," revisions to SVN\n";
-
-}
-
-sub show_ignore {
- require File::Find or die $!;
- my $exclude_file = "$GIT_DIR/info/exclude";
- open my $fh, '<', $exclude_file or croak $!;
- chomp(my @excludes = (<$fh>));
- close $fh or croak $!;
-
- $SVN_URL ||= file_to_s("$GIT_DIR/$GIT_SVN/info/url");
- chdir $SVN_WC or croak $!;
- my %ign;
- File::Find::find({wanted=>sub{if(lstat $_ && -d _ && -d "$_/.svn"){
- s#^\./##;
- @{$ign{$_}} = safe_qx(qw(svn propget svn:ignore),$_);
- }}, no_chdir=>1},'.');
-
- print "\n# /\n";
- foreach (@{$ign{'.'}}) { print '/',$_ if /\S/ }
- delete $ign{'.'};
- foreach my $i (sort keys %ign) {
- print "\n# ",$i,"\n";
- foreach (@{$ign{$i}}) { print '/',$i,'/',$_ if /\S/ }
- }
-}
-
-########################### utility functions #########################
-
-sub read_uuid {
- return if $SVN_UUID;
- my $info = shift || svn_info('.');
- $SVN_UUID = $info->{'Repository UUID'} or
- croak "Repository UUID unreadable\n";
- s_to_file($SVN_UUID,"$GIT_DIR/$GIT_SVN/info/uuid");
-}
-
-sub setup_git_svn {
- defined $SVN_URL or croak "SVN repository location required\n";
- unless (-d $GIT_DIR) {
- croak "GIT_DIR=$GIT_DIR does not exist!\n";
- }
- mkpath(["$GIT_DIR/$GIT_SVN"]);
- mkpath(["$GIT_DIR/$GIT_SVN/info"]);
- mkpath([$REV_DIR]);
- s_to_file($SVN_URL,"$GIT_DIR/$GIT_SVN/info/url");
-
- open my $fd, '>>', "$GIT_DIR/$GIT_SVN/info/exclude" or croak $!;
- print $fd '.svn',"\n";
- close $fd or croak $!;
-}
-
-sub assert_svn_wc_clean {
- my ($svn_rev, $treeish) = @_;
- croak "$svn_rev is not an integer!\n" unless ($svn_rev =~ /^\d+$/);
- croak "$treeish is not a sha1!\n" unless ($treeish =~ /^$sha1$/o);
- my $lcr = svn_info('.')->{'Last Changed Rev'};
- if ($svn_rev != $lcr) {
- print STDERR "Checking for copy-tree ... ";
- # use
- my @diff = grep(/^Index: /,(safe_qx(qw(svn diff),
- "-r$lcr:$svn_rev")));
- if (@diff) {
- croak "Nope! Expected r$svn_rev, got r$lcr\n";
- } else {
- print STDERR "OK!\n";
- }
- }
- my @status = grep(!/^Performing status on external/,(`svn status`));
- @status = grep(!/^\s*$/,@status);
- if (scalar @status) {
- print STDERR "Tree ($SVN_WC) is not clean:\n";
- print STDERR $_ foreach @status;
- croak;
- }
- assert_tree($treeish);
-}
-
-sub assert_tree {
- my ($treeish) = @_;
- croak "Not a sha1: $treeish\n" unless $treeish =~ /^$sha1$/o;
- chomp(my $type = `git-cat-file -t $treeish`);
- my $expected;
- while ($type eq 'tag') {
- chomp(($treeish, $type) = `git-cat-file tag $treeish`);
- }
- if ($type eq 'commit') {
- $expected = (grep /^tree /,`git-cat-file commit $treeish`)[0];
- ($expected) = ($expected =~ /^tree ($sha1)$/);
- die "Unable to get tree from $treeish\n" unless $expected;
- } elsif ($type eq 'tree') {
- $expected = $treeish;
- } else {
- die "$treeish is a $type, expected tree, tag or commit\n";
- }
-
- my $old_index = $ENV{GIT_INDEX_FILE};
- my $tmpindex = $GIT_SVN_INDEX.'.assert-tmp';
- if (-e $tmpindex) {
- unlink $tmpindex or croak $!;
- }
- $ENV{GIT_INDEX_FILE} = $tmpindex;
- git_addremove();
- chomp(my $tree = `git-write-tree`);
- if ($old_index) {
- $ENV{GIT_INDEX_FILE} = $old_index;
- } else {
- delete $ENV{GIT_INDEX_FILE};
- }
- if ($tree ne $expected) {
- croak "Tree mismatch, Got: $tree, Expected: $expected\n";
- }
-}
-
-sub parse_diff_tree {
- my $diff_fh = shift;
- local $/ = "\0";
- my $state = 'meta';
- my @mods;
- while (<$diff_fh>) {
- chomp $_; # this gets rid of the trailing "\0"
- if ($state eq 'meta' && /^:(\d{6})\s(\d{6})\s
- $sha1\s($sha1)\s([MTCRAD])\d*$/xo) {
- push @mods, { mode_a => $1, mode_b => $2,
- sha1_b => $3, chg => $4 };
- if ($4 =~ /^(?:C|R)$/) {
- $state = 'file_a';
- } else {
- $state = 'file_b';
- }
- } elsif ($state eq 'file_a') {
- my $x = $mods[$#mods] or croak "Empty array\n";
- if ($x->{chg} !~ /^(?:C|R)$/) {
- croak "Error parsing $_, $x->{chg}\n";
- }
- $x->{file_a} = $_;
- $state = 'file_b';
- } elsif ($state eq 'file_b') {
- my $x = $mods[$#mods] or croak "Empty array\n";
- if (exists $x->{file_a} && $x->{chg} !~ /^(?:C|R)$/) {
- croak "Error parsing $_, $x->{chg}\n";
- }
- if (!exists $x->{file_a} && $x->{chg} =~ /^(?:C|R)$/) {
- croak "Error parsing $_, $x->{chg}\n";
- }
- $x->{file_b} = $_;
- $state = 'meta';
- } else {
- croak "Error parsing $_\n";
- }
- }
- close $diff_fh or croak $!;
-
- return \@mods;
-}
-
-sub svn_check_prop_executable {
- my $m = shift;
- return if -l $m->{file_b};
- if ($m->{mode_b} =~ /755$/) {
- chmod((0755 &~ umask),$m->{file_b}) or croak $!;
- if ($m->{mode_a} !~ /755$/) {
- sys(qw(svn propset svn:executable 1), $m->{file_b});
- }
- -x $m->{file_b} or croak "$m->{file_b} is not executable!\n";
- } elsif ($m->{mode_b} !~ /755$/ && $m->{mode_a} =~ /755$/) {
- sys(qw(svn propdel svn:executable), $m->{file_b});
- chmod((0644 &~ umask),$m->{file_b}) or croak $!;
- -x $m->{file_b} and croak "$m->{file_b} is executable!\n";
- }
-}
-
-sub svn_ensure_parent_path {
- my $dir_b = dirname(shift);
- svn_ensure_parent_path($dir_b) if ($dir_b ne File::Spec->curdir);
- mkpath([$dir_b]) unless (-d $dir_b);
- sys(qw(svn add -N), $dir_b) unless (-d "$dir_b/.svn");
-}
-
-sub precommit_check {
- my $mods = shift;
- my (%rm_file, %rmdir_check, %added_check);
-
- my %o = ( D => 0, R => 1, C => 2, A => 3, M => 3, T => 3 );
- foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) {
- if ($m->{chg} eq 'R') {
- if (-d $m->{file_b}) {
- err_dir_to_file("$m->{file_a} => $m->{file_b}");
- }
- # dir/$file => dir/file/$file
- my $dirname = dirname($m->{file_b});
- while ($dirname ne File::Spec->curdir) {
- if ($dirname ne $m->{file_a}) {
- $dirname = dirname($dirname);
- next;
- }
- err_file_to_dir("$m->{file_a} => $m->{file_b}");
- }
- # baz/zzz => baz (baz is a file)
- $dirname = dirname($m->{file_a});
- while ($dirname ne File::Spec->curdir) {
- if ($dirname ne $m->{file_b}) {
- $dirname = dirname($dirname);
- next;
- }
- err_dir_to_file("$m->{file_a} => $m->{file_b}");
- }
- }
- if ($m->{chg} =~ /^(D|R)$/) {
- my $t = $1 eq 'D' ? 'file_b' : 'file_a';
- $rm_file{ $m->{$t} } = 1;
- my $dirname = dirname( $m->{$t} );
- my $basename = basename( $m->{$t} );
- $rmdir_check{$dirname}->{$basename} = 1;
- } elsif ($m->{chg} =~ /^(?:A|C)$/) {
- if (-d $m->{file_b}) {
- err_dir_to_file($m->{file_b});
- }
- my $dirname = dirname( $m->{file_b} );
- my $basename = basename( $m->{file_b} );
- $added_check{$dirname}->{$basename} = 1;
- while ($dirname ne File::Spec->curdir) {
- if ($rm_file{$dirname}) {
- err_file_to_dir($m->{file_b});
- }
- $dirname = dirname $dirname;
- }
- }
- }
- return (\%rmdir_check, \%added_check);
-
- sub err_dir_to_file {
- my $file = shift;
- print STDERR "Node change from directory to file ",
- "is not supported by Subversion: ",$file,"\n";
- exit 1;
- }
- sub err_file_to_dir {
- my $file = shift;
- print STDERR "Node change from file to directory ",
- "is not supported by Subversion: ",$file,"\n";
- exit 1;
- }
-}
-
-sub svn_checkout_tree {
- my ($svn_rev, $treeish) = @_;
- my $from = file_to_s("$REV_DIR/$svn_rev");
- assert_svn_wc_clean($svn_rev,$from);
- print "diff-tree $from $treeish\n";
- my $pid = open my $diff_fh, '-|';
- defined $pid or croak $!;
- if ($pid == 0) {
- my @diff_tree = qw(git-diff-tree -z -r -C);
- push @diff_tree, '--find-copies-harder' if $_find_copies_harder;
- push @diff_tree, "-l$_l" if defined $_l;
- exec(@diff_tree, $from, $treeish) or croak $!;
- }
- my $mods = parse_diff_tree($diff_fh);
- unless (@$mods) {
- # git can do empty commits, but SVN doesn't allow it...
- return $mods;
- }
- my ($rm, $add) = precommit_check($mods);
-
- my %o = ( D => 1, R => 0, C => -1, A => 3, M => 3, T => 3 );
- foreach my $m (sort { $o{$a->{chg}} <=> $o{$b->{chg}} } @$mods) {
- if ($m->{chg} eq 'C') {
- svn_ensure_parent_path( $m->{file_b} );
- sys(qw(svn cp), $m->{file_a}, $m->{file_b});
- apply_mod_line_blob($m);
- svn_check_prop_executable($m);
- } elsif ($m->{chg} eq 'D') {
- sys(qw(svn rm --force), $m->{file_b});
- } elsif ($m->{chg} eq 'R') {
- svn_ensure_parent_path( $m->{file_b} );
- sys(qw(svn mv --force), $m->{file_a}, $m->{file_b});
- apply_mod_line_blob($m);
- svn_check_prop_executable($m);
- } elsif ($m->{chg} eq 'M') {
- apply_mod_line_blob($m);
- svn_check_prop_executable($m);
- } elsif ($m->{chg} eq 'T') {
- sys(qw(svn rm --force),$m->{file_b});
- apply_mod_line_blob($m);
- sys(qw(svn add --force), $m->{file_b});
- svn_check_prop_executable($m);
- } elsif ($m->{chg} eq 'A') {
- svn_ensure_parent_path( $m->{file_b} );
- apply_mod_line_blob($m);
- sys(qw(svn add --force), $m->{file_b});
- svn_check_prop_executable($m);
- } else {
- croak "Invalid chg: $m->{chg}\n";
- }
- }
-
- assert_tree($treeish);
- if ($_rmdir) { # remove empty directories
- handle_rmdir($rm, $add);
- }
- assert_tree($treeish);
- return $mods;
-}
-
-# svn ls doesn't work with respect to the current working tree, but what's
-# in the repository. There's not even an option for it... *sigh*
-# (added files don't show up and removed files remain in the ls listing)
-sub svn_ls_current {
- my ($dir, $rm, $add) = @_;
- chomp(my @ls = safe_qx('svn','ls',$dir));
- my @ret = ();
- foreach (@ls) {
- s#/$##; # trailing slashes are evil
- push @ret, $_ unless $rm->{$dir}->{$_};
- }
- if (exists $add->{$dir}) {
- push @ret, keys %{$add->{$dir}};
- }
- return \@ret;
-}
-
-sub handle_rmdir {
- my ($rm, $add) = @_;
-
- foreach my $dir (sort {length $b <=> length $a} keys %$rm) {
- my $ls = svn_ls_current($dir, $rm, $add);
- next if (scalar @$ls);
- sys(qw(svn rm --force),$dir);
-
- my $dn = dirname $dir;
- $rm->{ $dn }->{ basename $dir } = 1;
- $ls = svn_ls_current($dn, $rm, $add);
- while (scalar @$ls == 0 && $dn ne File::Spec->curdir) {
- sys(qw(svn rm --force),$dn);
- $dir = basename $dn;
- $dn = dirname $dn;
- $rm->{ $dn }->{ $dir } = 1;
- $ls = svn_ls_current($dn, $rm, $add);
- }
- }
-}
-
-sub svn_commit_tree {
- my ($svn_rev, $commit) = @_;
- my $commit_msg = "$GIT_DIR/$GIT_SVN/.svn-commit.tmp.$$";
- my %log_msg = ( msg => '' );
- open my $msg, '>', $commit_msg or croak $!;
-
- chomp(my $type = `git-cat-file -t $commit`);
- if ($type eq 'commit') {
- my $pid = open my $msg_fh, '-|';
- defined $pid or croak $!;
-
- if ($pid == 0) {
- exec(qw(git-cat-file commit), $commit) or croak $!;
- }
- my $in_msg = 0;
- while (<$msg_fh>) {
- if (!$in_msg) {
- $in_msg = 1 if (/^\s*$/);
- } elsif (/^git-svn-id: /) {
- # skip this, we regenerate the correct one
- # on re-fetch anyways
- } else {
- print $msg $_ or croak $!;
- }
- }
- close $msg_fh or croak $!;
- }
- close $msg or croak $!;
-
- if ($_edit || ($type eq 'tree')) {
- my $editor = $ENV{VISUAL} || $ENV{EDITOR} || 'vi';
- system($editor, $commit_msg);
- }
-
- # file_to_s removes all trailing newlines, so just use chomp() here:
- open $msg, '<', $commit_msg or croak $!;
- { local $/; chomp($log_msg{msg} = <$msg>); }
- close $msg or croak $!;
-
- my ($oneline) = ($log_msg{msg} =~ /([^\n\r]+)/);
- print "Committing $commit: $oneline\n";
-
- my @ci_output = safe_qx(qw(svn commit -F),$commit_msg);
- my ($committed) = grep(/^Committed revision \d+\./,@ci_output);
- unlink $commit_msg;
- defined $committed or croak
- "Commit output failed to parse committed revision!\n",
- join("\n",@ci_output),"\n";
- my ($rev_committed) = ($committed =~ /^Committed revision (\d+)\./);
-
- my @svn_up = qw(svn up);
- push @svn_up, '--ignore-externals' unless $_no_ignore_ext;
- if ($rev_committed == ($svn_rev + 1)) {
- push @svn_up, "-r$rev_committed";
- sys(@svn_up);
- my $info = svn_info('.');
- my $date = $info->{'Last Changed Date'} or die "Missing date\n";
- if ($info->{'Last Changed Rev'} != $rev_committed) {
- croak "$info->{'Last Changed Rev'} != $rev_committed\n"
- }
- my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~
- /(\d{4})\-(\d\d)\-(\d\d)\s
- (\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x)
- or croak "Failed to parse date: $date\n";
- $log_msg{date} = "$tz $Y-$m-$d $H:$M:$S";
- $log_msg{author} = $info->{'Last Changed Author'};
- $log_msg{revision} = $rev_committed;
- $log_msg{msg} .= "\n";
- my $parent = file_to_s("$REV_DIR/$svn_rev");
- git_commit(\%log_msg, $parent, $commit);
- return $rev_committed;
- }
- # resync immediately
- push @svn_up, "-r$svn_rev";
- sys(@svn_up);
- return fetch("$rev_committed=$commit")->{revision};
-}
-
-sub svn_log_raw {
- my (@log_args) = @_;
- my $pid = open my $log_fh,'-|';
- defined $pid or croak $!;
-
- if ($pid == 0) {
- exec (qw(svn log), @log_args) or croak $!
- }
-
- my @svn_log;
- my $state = 'sep';
- while (<$log_fh>) {
- chomp;
- if (/^\-{72}$/) {
- if ($state eq 'msg') {
- if ($svn_log[$#svn_log]->{lines}) {
- $svn_log[$#svn_log]->{msg} .= $_."\n";
- unless(--$svn_log[$#svn_log]->{lines}) {
- $state = 'sep';
- }
- } else {
- croak "Log parse error at: $_\n",
- $svn_log[$#svn_log]->{revision},
- "\n";
- }
- next;
- }
- if ($state ne 'sep') {
- croak "Log parse error at: $_\n",
- "state: $state\n",
- $svn_log[$#svn_log]->{revision},
- "\n";
- }
- $state = 'rev';
-
- # if we have an empty log message, put something there:
- if (@svn_log) {
- $svn_log[$#svn_log]->{msg} ||= "\n";
- delete $svn_log[$#svn_log]->{lines};
- }
- next;
- }
- if ($state eq 'rev' && s/^r(\d+)\s*\|\s*//) {
- my $rev = $1;
- my ($author, $date, $lines) = split(/\s*\|\s*/, $_, 3);
- ($lines) = ($lines =~ /(\d+)/);
- my ($Y,$m,$d,$H,$M,$S,$tz) = ($date =~
- /(\d{4})\-(\d\d)\-(\d\d)\s
- (\d\d)\:(\d\d)\:(\d\d)\s([\-\+]\d+)/x)
- or croak "Failed to parse date: $date\n";
- my %log_msg = ( revision => $rev,
- date => "$tz $Y-$m-$d $H:$M:$S",
- author => $author,
- lines => $lines,
- msg => '' );
- if (defined $_authors && ! defined $users{$author}) {
- die "Author: $author not defined in ",
- "$_authors file\n";
- }
- push @svn_log, \%log_msg;
- $state = 'msg_start';
- next;
- }
- # skip the first blank line of the message:
- if ($state eq 'msg_start' && /^$/) {
- $state = 'msg';
- } elsif ($state eq 'msg') {
- if ($svn_log[$#svn_log]->{lines}) {
- $svn_log[$#svn_log]->{msg} .= $_."\n";
- unless (--$svn_log[$#svn_log]->{lines}) {
- $state = 'sep';
- }
- } else {
- croak "Log parse error at: $_\n",
- $svn_log[$#svn_log]->{revision},"\n";
- }
- }
- }
- close $log_fh or croak $?;
- return \@svn_log;
-}
-
-sub svn_info {
- my $url = shift || $SVN_URL;
-
- my $pid = open my $info_fh, '-|';
- defined $pid or croak $!;
-
- if ($pid == 0) {
- exec(qw(svn info),$url) or croak $!;
- }
-
- my $ret = {};
- # only single-lines seem to exist in svn info output
- while (<$info_fh>) {
- chomp $_;
- if (m#^([^:]+)\s*:\s*(\S.*)$#) {
- $ret->{$1} = $2;
- push @{$ret->{-order}}, $1;
- }
- }
- close $info_fh or croak $!;
- return $ret;
-}
-
-sub sys { system(@_) == 0 or croak $? }
-
-sub git_addremove {
- system( "git-diff-files --name-only -z ".
- " | git-update-index --remove -z --stdin && ".
- "git-ls-files -z --others ".
- "'--exclude-from=$GIT_DIR/$GIT_SVN/info/exclude'".
- " | git-update-index --add -z --stdin"
- ) == 0 or croak $?
-}
-
-sub s_to_file {
- my ($str, $file, $mode) = @_;
- open my $fd,'>',$file or croak $!;
- print $fd $str,"\n" or croak $!;
- close $fd or croak $!;
- chmod ($mode &~ umask, $file) if (defined $mode);
-}
-
-sub file_to_s {
- my $file = shift;
- open my $fd,'<',$file or croak "$!: file: $file\n";
- local $/;
- my $ret = <$fd>;
- close $fd or croak $!;
- $ret =~ s/\s*$//s;
- return $ret;
-}
-
-sub assert_revision_unknown {
- my $revno = shift;
- if (-f "$REV_DIR/$revno") {
- croak "$REV_DIR/$revno already exists! ",
- "Why are we refetching it?";
- }
-}
-
-sub assert_revision_eq_or_unknown {
- my ($revno, $commit) = @_;
- if (-f "$REV_DIR/$revno") {
- my $current = file_to_s("$REV_DIR/$revno");
- if ($commit ne $current) {
- croak "$REV_DIR/$revno already exists!\n",
- "current: $current\nexpected: $commit\n";
- }
- return;
- }
-}
-
-sub git_commit {
- my ($log_msg, @parents) = @_;
- assert_revision_unknown($log_msg->{revision});
- my $out_fh = IO::File->new_tmpfile or croak $!;
-
- map_tree_joins() if (@_branch_from && !%tree_map);
-
- # commit parents can be conditionally bound to a particular
- # svn revision via: "svn_revno=commit_sha1", filter them out here:
- my @exec_parents;
- foreach my $p (@parents) {
- next unless defined $p;
- if ($p =~ /^(\d+)=($sha1_short)$/o) {
- if ($1 == $log_msg->{revision}) {
- push @exec_parents, $2;
- }
- } else {
- push @exec_parents, $p if $p =~ /$sha1_short/o;
- }
- }
-
- my $pid = fork;
- defined $pid or croak $!;
- if ($pid == 0) {
- $ENV{GIT_INDEX_FILE} = $GIT_SVN_INDEX;
- git_addremove();
- chomp(my $tree = `git-write-tree`);
- croak if $?;
- if (exists $tree_map{$tree}) {
- my %seen_parent = map { $_ => 1 } @exec_parents;
- foreach (@{$tree_map{$tree}}) {
- # MAXPARENT is defined to 16 in commit-tree.c:
- if ($seen_parent{$_} || @exec_parents > 16) {
- next;
- }
- push @exec_parents, $_;
- $seen_parent{$_} = 1;
- }
- }
- my $msg_fh = IO::File->new_tmpfile or croak $!;
- print $msg_fh $log_msg->{msg}, "\ngit-svn-id: ",
- "$SVN_URL\@$log_msg->{revision}",
- " $SVN_UUID\n" or croak $!;
- $msg_fh->flush == 0 or croak $!;
- seek $msg_fh, 0, 0 or croak $!;
-
- set_commit_env($log_msg);
-
- my @exec = ('git-commit-tree',$tree);
- push @exec, '-p', $_ foreach @exec_parents;
- open STDIN, '<&', $msg_fh or croak $!;
- open STDOUT, '>&', $out_fh or croak $!;
- exec @exec or croak $!;
- }
- waitpid($pid,0);
- croak if $?;
-
- $out_fh->flush == 0 or croak $!;
- seek $out_fh, 0, 0 or croak $!;
- chomp(my $commit = do { local $/; <$out_fh> });
- if ($commit !~ /^$sha1$/o) {
- croak "Failed to commit, invalid sha1: $commit\n";
- }
- my @update_ref = ('git-update-ref',"refs/remotes/$GIT_SVN",$commit);
- if (my $primary_parent = shift @exec_parents) {
- $pid = fork;
- defined $pid or croak $!;
- if (!$pid) {
- close STDERR;
- close STDOUT;
- exec 'git-rev-parse','--verify',
- "refs/remotes/$GIT_SVN^0";
- }
- waitpid $pid, 0;
- push @update_ref, $primary_parent unless $?;
- }
- sys(@update_ref);
- sys('git-update-ref',"$GIT_SVN/revs/$log_msg->{revision}",$commit);
- print "r$log_msg->{revision} = $commit\n";
- return $commit;
-}
-
-sub set_commit_env {
- my ($log_msg) = @_;
- my $author = $log_msg->{author};
- my ($name,$email) = defined $users{$author} ? @{$users{$author}}
- : ($author,"$author\@$SVN_UUID");
- $ENV{GIT_AUTHOR_NAME} = $ENV{GIT_COMMITTER_NAME} = $name;
- $ENV{GIT_AUTHOR_EMAIL} = $ENV{GIT_COMMITTER_EMAIL} = $email;
- $ENV{GIT_AUTHOR_DATE} = $ENV{GIT_COMMITTER_DATE} = $log_msg->{date};
-}
-
-sub apply_mod_line_blob {
- my $m = shift;
- if ($m->{mode_b} =~ /^120/) {
- blob_to_symlink($m->{sha1_b}, $m->{file_b});
- } else {
- blob_to_file($m->{sha1_b}, $m->{file_b});
- }
-}
-
-sub blob_to_symlink {
- my ($blob, $link) = @_;
- defined $link or croak "\$link not defined!\n";
- croak "Not a sha1: $blob\n" unless $blob =~ /^$sha1$/o;
- if (-l $link || -f _) {
- unlink $link or croak $!;
- }
-
- my $dest = `git-cat-file blob $blob`; # no newline, so no chomp
- symlink $dest, $link or croak $!;
-}
-
-sub blob_to_file {
- my ($blob, $file) = @_;
- defined $file or croak "\$file not defined!\n";
- croak "Not a sha1: $blob\n" unless $blob =~ /^$sha1$/o;
- if (-l $file || -f _) {
- unlink $file or croak $!;
- }
-
- open my $blob_fh, '>', $file or croak "$!: $file\n";
- my $pid = fork;
- defined $pid or croak $!;
-
- if ($pid == 0) {
- open STDOUT, '>&', $blob_fh or croak $!;
- exec('git-cat-file','blob',$blob);
- }
- waitpid $pid, 0;
- croak $? if $?;
-
- close $blob_fh or croak $!;
-}
-
-sub safe_qx {
- my $pid = open my $child, '-|';
- defined $pid or croak $!;
- if ($pid == 0) {
- exec(@_) or croak $?;
- }
- my @ret = (<$child>);
- close $child or croak $?;
- die $? if $?; # just in case close didn't error out
- return wantarray ? @ret : join('',@ret);
-}
-
-sub svn_compat_check {
- my @co_help = safe_qx(qw(svn co -h));
- unless (grep /ignore-externals/,@co_help) {
- print STDERR "W: Installed svn version does not support ",
- "--ignore-externals\n";
- $_no_ignore_ext = 1;
- }
- if (grep /usage: checkout URL\[\@REV\]/,@co_help) {
- $_svn_co_url_revs = 1;
- }
-
- # I really, really hope nobody hits this...
- unless (grep /stop-on-copy/, (safe_qx(qw(svn log -h)))) {
- print STDERR <<'';
-W: The installed svn version does not support the --stop-on-copy flag in
- the log command.
- Lets hope the directory you're tracking is not a branch or tag
- and was never moved within the repository...
-
- $_no_stop_copy = 1;
- }
-}
-
-# *sigh*, new versions of svn won't honor -r<rev> without URL@<rev>,
-# (and they won't honor URL@<rev> without -r<rev>, too!)
-sub svn_cmd_checkout {
- my ($url, $rev, $dir) = @_;
- my @cmd = ('svn','co', "-r$rev");
- push @cmd, '--ignore-externals' unless $_no_ignore_ext;
- $url .= "\@$rev" if $_svn_co_url_revs;
- sys(@cmd, $url, $dir);
-}
-
-sub check_upgrade_needed {
- my $old = eval {
- my $pid = open my $child, '-|';
- defined $pid or croak $!;
- if ($pid == 0) {
- close STDERR;
- exec('git-rev-parse',"$GIT_SVN-HEAD") or croak $?;
- }
- my @ret = (<$child>);
- close $child or croak $?;
- die $? if $?; # just in case close didn't error out
- return wantarray ? @ret : join('',@ret);
- };
- return unless $old;
- my $head = eval { safe_qx('git-rev-parse',"refs/remotes/$GIT_SVN") };
- if ($@ || !$head) {
- print STDERR "Please run: $0 rebuild --upgrade\n";
- exit 1;
- }
-}
-
-# fills %tree_map with a reverse mapping of trees to commits. Useful
-# for finding parents to commit on.
-sub map_tree_joins {
- foreach my $br (@_branch_from) {
- my $pid = open my $pipe, '-|';
- defined $pid or croak $!;
- if ($pid == 0) {
- exec(qw(git-rev-list --pretty=raw), $br) or croak $?;
- }
- while (<$pipe>) {
- if (/^commit ($sha1)$/o) {
- my $commit = $1;
- my ($tree) = (<$pipe> =~ /^tree ($sha1)$/o);
- unless (defined $tree) {
- die "Failed to parse commit $commit\n";
- }
- push @{$tree_map{$tree}}, $commit;
- }
- }
- close $pipe or croak $?;
- }
-}
-
-# '<svn username> = real-name <email address>' mapping based on git-svnimport:
-sub load_authors {
- open my $authors, '<', $_authors or die "Can't open $_authors $!\n";
- while (<$authors>) {
- chomp;
- next unless /^(\S+?)\s*=\s*(.+?)\s*<(.+)>\s*$/;
- my ($user, $name, $email) = ($1, $2, $3);
- $users{$user} = [$name, $email];
- }
- close $authors or croak $!;
-}
-
-__END__
-
-Data structures:
-
-@svn_log = array of log_msg hashes
-
-$log_msg hash
-{
- msg => 'whitespace-formatted log entry
-', # trailing newline is preserved
- revision => '8', # integer
- date => '2004-02-24T17:01:44.108345Z', # commit date
- author => 'committer name'
-};
-
-
-@mods = array of diff-index line hashes, each element represents one line
- of diff-index output
-
-diff-index line ($m hash)
-{
- mode_a => first column of diff-index output, no leading ':',
- mode_b => second column of diff-index output,
- sha1_b => sha1sum of the final blob,
- chg => change type [MCRADT],
- file_a => original file name of a file (iff chg is 'C' or 'R')
- file_b => new/current file name of a file (any chg)
-}
-;
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