$AUTHOR = 'Eric Wong <normalperson@yhbt.net>';
$VERSION = '@@GIT_VERSION@@';
+use Carp qw/croak/;
+use Digest::MD5;
+use IO::File qw//;
+use File::Basename qw/dirname basename/;
+use File::Path qw/mkpath/;
+use File::Spec;
+use File::Find;
+use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
+use IPC::Open3;
+use Memoize;
+
use Git::SVN;
+use Git::SVN::Editor;
+use Git::SVN::Fetcher;
+use Git::SVN::Ra;
+use Git::SVN::Prompt;
+use Git::SVN::Log;
+use Git::SVN::Migration;
+
use Git::SVN::Utils qw(fatal can_compress);
+use Git qw(
+ git_cmd_try
+ command
+ command_oneline
+ command_noisy
+ command_output_pipe
+ command_close_pipe
+ command_bidi_pipe
+ command_close_bidi_pipe
+);
+
+BEGIN {
+ Memoize::memoize 'Git::config';
+ Memoize::memoize 'Git::config_bool';
+}
+
# From which subdir have we been invoked?
my $cmd_dir_prefix = eval {
my $git_dir_user_set = 1 if defined $ENV{GIT_DIR};
$ENV{GIT_DIR} ||= '.git';
-$Git::SVN::default_repo_id = 'svn';
-$Git::SVN::default_ref_id = $ENV{GIT_SVN_ID} || 'git-svn';
$Git::SVN::Ra::_log_window_size = 100;
-$Git::SVN::_minimize_url = 'unset';
if (! exists $ENV{SVN_SSH} && exists $ENV{GIT_SSH}) {
$ENV{SVN_SSH} = $ENV{GIT_SSH};
}
}
-use Carp qw/croak/;
-use Digest::MD5;
-use IO::File qw//;
-use File::Basename qw/dirname basename/;
-use File::Path qw/mkpath/;
-use File::Spec;
-use File::Find;
-use Getopt::Long qw/:config gnu_getopt no_ignore_case auto_abbrev/;
-use IPC::Open3;
-use Git;
-use Git::SVN::Editor qw//;
-use Git::SVN::Fetcher qw//;
-use Git::SVN::Ra qw//;
-use Git::SVN::Prompt qw//;
-use Memoize; # core since 5.8.0, Jul 2002
-
-BEGIN {
- # import functions from Git into our packages, en masse
- no strict 'refs';
- foreach (qw/command command_oneline command_noisy command_output_pipe
- command_input_pipe command_close_pipe
- command_bidi_pipe command_close_bidi_pipe/) {
- for my $package ( qw(Git::SVN::Migration Git::SVN::Log),
- __PACKAGE__) {
- *{"${package}::$_"} = \&{"Git::$_"};
- }
- }
- Memoize::memoize 'Git::config';
- Memoize::memoize 'Git::config_bool';
-}
-
-my ($SVN);
-
$sha1 = qr/[a-f\d]{40}/;
$sha1_short = qr/[a-f\d]{4,40}/;
my ($_stdin, $_help, $_edit,
$_version, $_fetch_all, $_no_rebase, $_fetch_parent,
$_merge, $_strategy, $_preserve_merges, $_dry_run, $_local,
$_prefix, $_no_checkout, $_url, $_verbose,
- $_git_format, $_commit_url, $_tag, $_merge_info, $_interactive);
+ $_commit_url, $_tag, $_merge_info, $_interactive);
# This is a refactoring artifact so Git::SVN can get at this git-svn switch.
sub opt_prefix { return $_prefix || '' }
-$Git::SVN::_follow_parent = 1;
$Git::SVN::Fetcher::_placeholder_filename = ".gitignore";
$_q ||= 0;
my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
{ 'url' => \$_url, } ],
'blame' => [ \&Git::SVN::Log::cmd_blame,
"Show what revision and author last modified each line of a file",
- { 'git-format' => \$_git_format } ],
+ { 'git-format' => \$Git::SVN::Log::_git_format } ],
'reset' => [ \&cmd_reset,
"Undo fetches back to the specified SVN revision",
{ 'revision|r=s' => \$_revision,
return undef;
}
+sub dcommit_rebase {
+ my ($is_last, $current, $fetched_ref, $svn_error) = @_;
+ my @diff;
+
+ if ($svn_error) {
+ print STDERR "\nERROR from SVN:\n",
+ $svn_error->expanded_message, "\n";
+ }
+ unless ($_no_rebase) {
+ # we always want to rebase against the current HEAD,
+ # not any head that was passed to us
+ @diff = command('diff-tree', $current,
+ $fetched_ref, '--');
+ my @finish;
+ if (@diff) {
+ @finish = rebase_cmd();
+ print STDERR "W: $current and ", $fetched_ref,
+ " differ, using @finish:\n",
+ join("\n", @diff), "\n";
+ } elsif ($is_last) {
+ print "No changes between ", $current, " and ",
+ $fetched_ref,
+ "\nResetting to the latest ",
+ $fetched_ref, "\n";
+ @finish = qw/reset --mixed/;
+ }
+ command_noisy(@finish, $fetched_ref) if @finish;
+ }
+ if ($svn_error) {
+ die "ERROR: Not all changes have been committed into SVN"
+ .($_no_rebase ? ".\n" : ", however the committed\n"
+ ."ones (if any) seem to be successfully integrated "
+ ."into the working tree.\n")
+ ."Please see the above messages for details.\n";
+ }
+ return @diff;
+}
+
sub cmd_dcommit {
my $head = shift;
command_noisy(qw/update-index --refresh/);
}
my $rewritten_parent;
+ my $current_head = command_oneline(qw/rev-parse HEAD/);
Git::SVN::remove_username($expect_url);
if (defined($_merge_info)) {
$_merge_info =~ tr{ }{\n};
},
mergeinfo => $_merge_info,
svn_path => '');
+
+ my $err_handler = $SVN::Error::handler;
+ $SVN::Error::handler = sub {
+ my $err = shift;
+ dcommit_rebase(1, $current_head, $gs->refname,
+ $err);
+ };
+
if (!Git::SVN::Editor->new(\%ed_opts)->apply_diff) {
print "No changes\n$d~1 == $d\n";
} elsif ($parents->{$d} && @{$parents->{$d}}) {
$parents->{$d};
}
$_fetch_all ? $gs->fetch_all : $gs->fetch;
+ $SVN::Error::handler = $err_handler;
$last_rev = $cmt_rev;
next if $_no_rebase;
- # we always want to rebase against the current HEAD,
- # not any head that was passed to us
- my @diff = command('diff-tree', $d,
- $gs->refname, '--');
- my @finish;
- if (@diff) {
- @finish = rebase_cmd();
- print STDERR "W: $d and ", $gs->refname,
- " differ, using @finish:\n",
- join("\n", @diff), "\n";
- } else {
- print "No changes between current HEAD and ",
- $gs->refname,
- "\nResetting to the latest ",
- $gs->refname, "\n";
- @finish = qw/reset --mixed/;
- }
- command_noisy(@finish, $gs->refname);
+ my @diff = dcommit_rebase(@$linear_refs == 0, $d,
+ $gs->refname, undef);
- $rewritten_parent = command_oneline(qw/rev-parse HEAD/);
+ $rewritten_parent = command_oneline(qw/rev-parse/,
+ $gs->refname);
if (@diff) {
+ $current_head = command_oneline(qw/rev-parse
+ HEAD/);
@refs = ();
my ($url_, $rev_, $uuid_, $gs_) =
working_head_info('HEAD', \@refs);
}
$parents = \%p;
$linear_refs = \@l;
+ undef $last_rev;
}
}
}
}
}
-
-package Git::SVN::Log;
-use strict;
-use warnings;
-use Git::SVN::Utils qw(fatal);
-use POSIX qw/strftime/;
-use constant commit_log_separator => ('-' x 72) . "\n";
-use vars qw/$TZ $limit $color $pager $non_recursive $verbose $oneline
- %rusers $show_commit $incremental/;
-my $l_fmt;
-
-sub cmt_showable {
- my ($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);
- $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;
- 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;
-}
-
-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, $ctx);
-}
-
-package Git::SVN::Migration;
-# these version numbers do NOT correspond to actual version numbers
-# of git nor git-svn. They are just relative.
-#
-# v0 layout: .git/$id/info/url, refs/heads/$id-HEAD
-#
-# v1 layout: .git/$id/info/url, refs/remotes/$id
-#
-# v2 layout: .git/svn/$id/info/url, refs/remotes/$id
-#
-# v3 layout: .git/svn/$id, refs/remotes/$id
-# - info/url may remain for backwards compatibility
-# - this is what we migrate up to this layout automatically,
-# - this will be used by git svn init on single branches
-# v3.1 layout (auto migrated):
-# - .rev_db => .rev_db.$UUID, .rev_db will remain as a symlink
-# for backwards compatibility
-#
-# v4 layout: .git/svn/$repo_id/$id, refs/remotes/$repo_id/$id
-# - this is only created for newly multi-init-ed
-# repositories. Similar in spirit to the
-# --use-separate-remotes option in git-clone (now default)
-# - we do not automatically migrate to this (following
-# the example set by core git)
-#
-# v5 layout: .rev_db.$UUID => .rev_map.$UUID
-# - newer, more-efficient format that uses 24-bytes per record
-# with no filler space.
-# - use xxd -c24 < .rev_map.$UUID to view and debug
-# - This is a one-way migration, repositories updated to the
-# new format will not be able to use old git-svn without
-# rebuilding the .rev_db. Rebuilding the rev_db is not
-# possible if noMetadata or useSvmProps are set; but should
-# be no problem for users that use the (sensible) defaults.
-use strict;
-use warnings;
-use Carp qw/croak/;
-use File::Path qw/mkpath/;
-use File::Basename qw/dirname basename/;
-use vars qw/$_minimize/;
-
-sub migrate_from_v0 {
- my $git_dir = $ENV{GIT_DIR};
- return undef unless -d $git_dir;
- my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/);
- my $migrated = 0;
- while (<$fh>) {
- chomp;
- my ($id, $orig_ref) = ($_, $_);
- next unless $id =~ s#^refs/heads/(.+)-HEAD$#$1#;
- next unless -f "$git_dir/$id/info/url";
- my $new_ref = "refs/remotes/$id";
- if (::verify_ref("$new_ref^0")) {
- print STDERR "W: $orig_ref is probably an old ",
- "branch used by an ancient version of ",
- "git-svn.\n",
- "However, $new_ref also exists.\n",
- "We will not be able ",
- "to use this branch until this ",
- "ambiguity is resolved.\n";
- next;
- }
- print STDERR "Migrating from v0 layout...\n" if !$migrated;
- print STDERR "Renaming ref: $orig_ref => $new_ref\n";
- command_noisy('update-ref', $new_ref, $orig_ref);
- command_noisy('update-ref', '-d', $orig_ref, $orig_ref);
- $migrated++;
- }
- command_close_pipe($fh, $ctx);
- print STDERR "Done migrating from v0 layout...\n" if $migrated;
- $migrated;
-}
-
-sub migrate_from_v1 {
- my $git_dir = $ENV{GIT_DIR};
- my $migrated = 0;
- return $migrated unless -d $git_dir;
- my $svn_dir = "$git_dir/svn";
-
- # just in case somebody used 'svn' as their $id at some point...
- return $migrated if -d $svn_dir && ! -f "$svn_dir/info/url";
-
- print STDERR "Migrating from a git-svn v1 layout...\n";
- mkpath([$svn_dir]);
- print STDERR "Data from a previous version of git-svn exists, but\n\t",
- "$svn_dir\n\t(required for this version ",
- "($::VERSION) of git-svn) does not exist.\n";
- my ($fh, $ctx) = command_output_pipe(qw/rev-parse --symbolic --all/);
- while (<$fh>) {
- my $x = $_;
- next unless $x =~ s#^refs/remotes/##;
- chomp $x;
- next unless -f "$git_dir/$x/info/url";
- my $u = eval { ::file_to_s("$git_dir/$x/info/url") };
- next unless $u;
- my $dn = dirname("$git_dir/svn/$x");
- mkpath([$dn]) unless -d $dn;
- if ($x eq 'svn') { # they used 'svn' as GIT_SVN_ID:
- mkpath(["$git_dir/svn/svn"]);
- print STDERR " - $git_dir/$x/info => ",
- "$git_dir/svn/$x/info\n";
- rename "$git_dir/$x/info", "$git_dir/svn/$x/info" or
- croak "$!: $x";
- # don't worry too much about these, they probably
- # don't exist with repos this old (save for index,
- # and we can easily regenerate that)
- foreach my $f (qw/unhandled.log index .rev_db/) {
- rename "$git_dir/$x/$f", "$git_dir/svn/$x/$f";
- }
- } else {
- print STDERR " - $git_dir/$x => $git_dir/svn/$x\n";
- rename "$git_dir/$x", "$git_dir/svn/$x" or
- croak "$!: $x";
- }
- $migrated++;
- }
- command_close_pipe($fh, $ctx);
- print STDERR "Done migrating from a git-svn v1 layout\n";
- $migrated;
-}
-
-sub read_old_urls {
- my ($l_map, $pfx, $path) = @_;
- my @dir;
- foreach (<$path/*>) {
- if (-r "$_/info/url") {
- $pfx .= '/' if $pfx && $pfx !~ m!/$!;
- my $ref_id = $pfx . basename $_;
- my $url = ::file_to_s("$_/info/url");
- $l_map->{$ref_id} = $url;
- } elsif (-d $_) {
- push @dir, $_;
- }
- }
- foreach (@dir) {
- my $x = $_;
- $x =~ s!^\Q$ENV{GIT_DIR}\E/svn/!!o;
- read_old_urls($l_map, $x, $_);
- }
-}
-
-sub migrate_from_v2 {
- my @cfg = command(qw/config -l/);
- return if grep /^svn-remote\..+\.url=/, @cfg;
- my %l_map;
- read_old_urls(\%l_map, '', "$ENV{GIT_DIR}/svn");
- my $migrated = 0;
-
- foreach my $ref_id (sort keys %l_map) {
- eval { Git::SVN->init($l_map{$ref_id}, '', undef, $ref_id) };
- if ($@) {
- Git::SVN->init($l_map{$ref_id}, '', $ref_id, $ref_id);
- }
- $migrated++;
- }
- $migrated;
-}
-
-sub minimize_connections {
- my $r = Git::SVN::read_all_remotes();
- my $new_urls = {};
- my $root_repos = {};
- foreach my $repo_id (keys %$r) {
- my $url = $r->{$repo_id}->{url} or next;
- my $fetch = $r->{$repo_id}->{fetch} or next;
- my $ra = Git::SVN::Ra->new($url);
-
- # skip existing cases where we already connect to the root
- if (($ra->{url} eq $ra->{repos_root}) ||
- ($ra->{repos_root} eq $repo_id)) {
- $root_repos->{$ra->{url}} = $repo_id;
- next;
- }
-
- my $root_ra = Git::SVN::Ra->new($ra->{repos_root});
- my $root_path = $ra->{url};
- $root_path =~ s#^\Q$ra->{repos_root}\E(/|$)##;
- foreach my $path (keys %$fetch) {
- my $ref_id = $fetch->{$path};
- my $gs = Git::SVN->new($ref_id, $repo_id, $path);
-
- # make sure we can read when connecting to
- # a higher level of a repository
- my ($last_rev, undef) = $gs->last_rev_commit;
- if (!defined $last_rev) {
- $last_rev = eval {
- $root_ra->get_latest_revnum;
- };
- next if $@;
- }
- my $new = $root_path;
- $new .= length $path ? "/$path" : '';
- eval {
- $root_ra->get_log([$new], $last_rev, $last_rev,
- 0, 0, 1, sub { });
- };
- next if $@;
- $new_urls->{$ra->{repos_root}}->{$new} =
- { ref_id => $ref_id,
- old_repo_id => $repo_id,
- old_path => $path };
- }
- }
-
- my @emptied;
- foreach my $url (keys %$new_urls) {
- # see if we can re-use an existing [svn-remote "repo_id"]
- # instead of creating a(n ugly) new section:
- my $repo_id = $root_repos->{$url} || $url;
-
- my $fetch = $new_urls->{$url};
- foreach my $path (keys %$fetch) {
- my $x = $fetch->{$path};
- Git::SVN->init($url, $path, $repo_id, $x->{ref_id});
- my $pfx = "svn-remote.$x->{old_repo_id}";
-
- my $old_fetch = quotemeta("$x->{old_path}:".
- "$x->{ref_id}");
- command_noisy(qw/config --unset/,
- "$pfx.fetch", '^'. $old_fetch . '$');
- delete $r->{$x->{old_repo_id}}->
- {fetch}->{$x->{old_path}};
- if (!keys %{$r->{$x->{old_repo_id}}->{fetch}}) {
- command_noisy(qw/config --unset/,
- "$pfx.url");
- push @emptied, $x->{old_repo_id}
- }
- }
- }
- if (@emptied) {
- my $file = $ENV{GIT_CONFIG} || "$ENV{GIT_DIR}/config";
- print STDERR <<EOF;
-The following [svn-remote] sections in your config file ($file) are empty
-and can be safely removed:
-EOF
- print STDERR "[svn-remote \"$_\"]\n" foreach @emptied;
- }
-}
-
-sub migration_check {
- migrate_from_v0();
- migrate_from_v1();
- migrate_from_v2();
- minimize_connections() if $_minimize;
-}
-
-package Git::IndexInfo;
-use strict;
-use warnings;
-use Git qw/command_input_pipe command_close_pipe/;
-
-sub new {
- my ($class) = @_;
- my ($gui, $ctx) = command_input_pipe(qw/update-index -z --index-info/);
- bless { gui => $gui, ctx => $ctx, nr => 0}, $class;
-}
-
-sub remove {
- my ($self, $path) = @_;
- if (print { $self->{gui} } '0 ', 0 x 40, "\t", $path, "\0") {
- return ++$self->{nr};
- }
- undef;
-}
-
-sub update {
- my ($self, $mode, $hash, $path) = @_;
- if (print { $self->{gui} } $mode, ' ', $hash, "\t", $path, "\0") {
- return ++$self->{nr};
- }
- undef;
-}
-
-sub DESTROY {
- my ($self) = @_;
- command_close_pipe($self->{gui}, $self->{ctx});
-}
-
-package Git::SVN::GlobSpec;
-use strict;
-use warnings;
-
-sub new {
- my ($class, $glob, $pattern_ok) = @_;
- my $re = $glob;
- $re =~ s!/+$!!g; # no need for trailing slashes
- my (@left, @right, @patterns);
- my $state = "left";
- my $die_msg = "Only one set of wildcard directories " .
- "(e.g. '*' or '*/*/*') is supported: '$glob'\n";
- for my $part (split(m|/|, $glob)) {
- if ($part =~ /\*/ && $part ne "*") {
- die "Invalid pattern in '$glob': $part\n";
- } elsif ($pattern_ok && $part =~ /[{}]/ &&
- $part !~ /^\{[^{}]+\}/) {
- die "Invalid pattern in '$glob': $part\n";
- }
- if ($part eq "*") {
- die $die_msg if $state eq "right";
- $state = "pattern";
- push(@patterns, "[^/]*");
- } elsif ($pattern_ok && $part =~ /^\{(.*)\}$/) {
- die $die_msg if $state eq "right";
- $state = "pattern";
- my $p = quotemeta($1);
- $p =~ s/\\,/|/g;
- push(@patterns, "(?:$p)");
- } else {
- if ($state eq "left") {
- push(@left, $part);
- } else {
- push(@right, $part);
- $state = "right";
- }
- }
- }
- my $depth = @patterns;
- if ($depth == 0) {
- die "One '*' is needed in glob: '$glob'\n";
- }
- my $left = join('/', @left);
- my $right = join('/', @right);
- $re = join('/', @patterns);
- $re = join('\/',
- grep(length, quotemeta($left), "($re)", quotemeta($right)));
- my $left_re = qr/^\/\Q$left\E(\/|$)/;
- bless { left => $left, right => $right, left_regex => $left_re,
- regex => qr/$re/, glob => $glob, depth => $depth }, $class;
-}
-
-sub full_path {
- my ($self, $path) = @_;
- return (length $self->{left} ? "$self->{left}/" : '') .
- $path . (length $self->{right} ? "/$self->{right}" : '');
-}
-
__END__
Data structures:
projects / git.git / blobdiff