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-rwxr-xr-xgit-svn.perl299
1 files changed, 258 insertions, 41 deletions
diff --git a/git-svn.perl b/git-svn.perl
index ad01e182df..959eb52f3f 100755
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -70,7 +70,8 @@ my ($_stdin, $_help, $_edit,
$Git::SVN::_follow_parent = 1;
my %remote_opts = ( 'username=s' => \$Git::SVN::Prompt::_username,
'config-dir=s' => \$Git::SVN::Ra::config_dir,
- 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache );
+ 'no-auth-cache' => \$Git::SVN::Prompt::_no_auth_cache,
+ 'ignore-paths=s' => \$SVN::Git::Fetcher::_ignore_regex );
my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
'authors-file|A=s' => \$_authors,
'repack:i' => \$Git::SVN::_repack,
@@ -84,6 +85,7 @@ my %fc_opts = ( 'follow-parent|follow!' => \$Git::SVN::_follow_parent,
\$Git::SVN::_repack_flags,
'use-log-author' => \$Git::SVN::_use_log_author,
'add-author-from' => \$Git::SVN::_add_author_from,
+ 'localtime' => \$Git::SVN::_localtime,
%remote_opts );
my ($_trunk, $_tags, $_branches, $_stdlayout);
@@ -436,7 +438,17 @@ sub cmd_dcommit {
die "Unable to determine upstream SVN information from ",
"$head history.\nPerhaps the repository is empty.";
}
- $url = defined $_commit_url ? $_commit_url : $gs->full_url;
+
+ if (defined $_commit_url) {
+ $url = $_commit_url;
+ } else {
+ $url = eval { command_oneline('config', '--get',
+ "svn-remote.$gs->{repo_id}.commiturl") };
+ if (!$url) {
+ $url = $gs->full_url
+ }
+ }
+
my $last_rev = $_revision if defined $_revision;
if ($url) {
print "Committing to $url ...\n";
@@ -668,7 +680,11 @@ sub cmd_create_ignore {
$gs->prop_walk($gs->{path}, $r, sub {
my ($gs, $path, $props) = @_;
# $path is of the form /path/to/dir/
- my $ignore = '.' . $path . '.gitignore';
+ $path = '.' . $path;
+ # SVN can have attributes on empty directories,
+ # which git won't track
+ mkpath([$path]) unless -d $path;
+ my $ignore = $path . '.gitignore';
my $s = $props->{'svn:ignore'} or return;
open(GITIGNORE, '>', $ignore)
or fatal("Failed to open `$ignore' for writing: $!");
@@ -911,7 +927,8 @@ sub cmd_info {
if ($@) {
$result .= "Repository Root: (offline)\n";
}
- $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A";
+ $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A" &&
+ ($SVN::Core::VERSION le '1.5.4' || $file_type ne "dir");
$result .= "Revision: " . ($diff_status eq "A" ? 0 : $rev) . "\n";
$result .= "Node Kind: " .
@@ -1364,7 +1381,7 @@ use constant rev_map_fmt => 'NH40';
use vars qw/$default_repo_id $default_ref_id $_no_metadata $_follow_parent
$_repack $_repack_flags $_use_svm_props $_head
$_use_svnsync_props $no_reuse_existing $_minimize_url
- $_use_log_author $_add_author_from/;
+ $_use_log_author $_add_author_from $_localtime/;
use Carp qw/croak/;
use File::Path qw/mkpath/;
use File::Copy qw/copy/;
@@ -1690,6 +1707,7 @@ sub find_by_url { # repos_root and, path are optional
my $prefix = '';
if ($rwr) {
$z = $rwr;
+ remove_username($z);
} elsif (defined $svm) {
$z = $svm->{source};
$prefix = $svm->{replace};
@@ -2386,22 +2404,8 @@ sub find_parent_branch {
print STDERR "Found possible branch point: ",
"$new_url => ", $self->full_url, ", $r\n";
$branch_from =~ s#^/##;
- my $gs = Git::SVN->find_by_url($new_url, $repos_root, $branch_from);
- unless ($gs) {
- my $ref_id = $self->{ref_id};
- $ref_id =~ s/\@\d+$//;
- $ref_id .= "\@$r";
- # just grow a tail if we're not unique enough :x
- $ref_id .= '-' while find_ref($ref_id);
- print STDERR "Initializing parent: $ref_id\n";
- my ($u, $p, $repo_id) = ($new_url, '', $ref_id);
- if ($u =~ s#^\Q$url\E(/|$)##) {
- $p = $u;
- $u = $url;
- $repo_id = $self->{repo_id};
- }
- $gs = Git::SVN->init($u, $p, $repo_id, $ref_id, 1);
- }
+ my $gs = $self->other_gs($new_url, $url, $repos_root,
+ $branch_from, $r, $self->{ref_id});
my ($r0, $parent) = $gs->find_rev_before($r, 1);
{
my ($base, $head);
@@ -2427,8 +2431,9 @@ sub find_parent_branch {
# do_switch works with svn/trunk >= r22312, but that
# is not included with SVN 1.4.3 (the latest version
# at the moment), so we can't rely on it
+ $self->{last_rev} = $r0;
$self->{last_commit} = $parent;
- $ed = SVN::Git::Fetcher->new($self);
+ $ed = SVN::Git::Fetcher->new($self, $gs->{path});
$gs->ra->gs_do_switch($r0, $rev, $gs,
$self->full_url, $ed)
or die "SVN connection failed somewhere...\n";
@@ -2526,12 +2531,83 @@ sub get_untracked {
\@out;
}
+# parse_svn_date(DATE)
+# --------------------
+# Given a date (in UTC) from Subversion, return a string in the format
+# "<TZ Offset> <local date/time>" that Git will use.
+#
+# By default the parsed date will be in UTC; if $Git::SVN::_localtime
+# is true we'll convert it to the local timezone instead.
sub parse_svn_date {
my $date = shift || return '+0000 1970-01-01 00:00:00';
my ($Y,$m,$d,$H,$M,$S) = ($date =~ /^(\d{4})\-(\d\d)\-(\d\d)T
- (\d\d)\:(\d\d)\:(\d\d).\d+Z$/x) or
+ (\d\d)\:(\d\d)\:(\d\d)\.\d*Z$/x) or
croak "Unable to parse date: $date\n";
- "+0000 $Y-$m-$d $H:$M:$S";
+ my $parsed_date; # Set next.
+
+ if ($Git::SVN::_localtime) {
+ # Translate the Subversion datetime to an epoch time.
+ # Begin by switching ourselves to $date's timezone, UTC.
+ my $old_env_TZ = $ENV{TZ};
+ $ENV{TZ} = 'UTC';
+
+ my $epoch_in_UTC =
+ POSIX::strftime('%s', $S, $M, $H, $d, $m - 1, $Y - 1900);
+
+ # Determine our local timezone (including DST) at the
+ # time of $epoch_in_UTC. $Git::SVN::Log::TZ stored the
+ # value of TZ, if any, at the time we were run.
+ if (defined $Git::SVN::Log::TZ) {
+ $ENV{TZ} = $Git::SVN::Log::TZ;
+ } else {
+ delete $ENV{TZ};
+ }
+
+ my $our_TZ =
+ POSIX::strftime('%Z', $S, $M, $H, $d, $m - 1, $Y - 1900);
+
+ # This converts $epoch_in_UTC into our local timezone.
+ my ($sec, $min, $hour, $mday, $mon, $year,
+ $wday, $yday, $isdst) = localtime($epoch_in_UTC);
+
+ $parsed_date = sprintf('%s %04d-%02d-%02d %02d:%02d:%02d',
+ $our_TZ, $year + 1900, $mon + 1,
+ $mday, $hour, $min, $sec);
+
+ # Reset us to the timezone in effect when we entered
+ # this routine.
+ if (defined $old_env_TZ) {
+ $ENV{TZ} = $old_env_TZ;
+ } else {
+ delete $ENV{TZ};
+ }
+ } else {
+ $parsed_date = "+0000 $Y-$m-$d $H:$M:$S";
+ }
+
+ return $parsed_date;
+}
+
+sub other_gs {
+ my ($self, $new_url, $url, $repos_root,
+ $branch_from, $r, $old_ref_id) = @_;
+ my $gs = Git::SVN->find_by_url($new_url, $repos_root, $branch_from);
+ unless ($gs) {
+ my $ref_id = $old_ref_id;
+ $ref_id =~ s/\@\d+$//;
+ $ref_id .= "\@$r";
+ # just grow a tail if we're not unique enough :x
+ $ref_id .= '-' while find_ref($ref_id);
+ print STDERR "Initializing parent: $ref_id\n";
+ my ($u, $p, $repo_id) = ($new_url, '', $ref_id);
+ if ($u =~ s#^\Q$url\E(/|$)##) {
+ $p = $u;
+ $u = $url;
+ $repo_id = $self->{repo_id};
+ }
+ $gs = Git::SVN->init($u, $p, $repo_id, $ref_id, 1);
+ }
+ $gs
}
sub check_author {
@@ -3194,13 +3270,18 @@ use warnings;
use Carp qw/croak/;
use File::Temp qw/tempfile/;
use IO::File qw//;
+use vars qw/$_ignore_regex/;
# file baton members: path, mode_a, mode_b, pool, fh, blob, base
sub new {
- my ($class, $git_svn) = @_;
+ my ($class, $git_svn, $switch_path) = @_;
my $self = SVN::Delta::Editor->new;
bless $self, $class;
- $self->{c} = $git_svn->{last_commit} if exists $git_svn->{last_commit};
+ if (exists $git_svn->{last_commit}) {
+ $self->{c} = $git_svn->{last_commit};
+ $self->{empty_symlinks} =
+ _mark_empty_symlinks($git_svn, $switch_path);
+ }
$self->{empty} = {};
$self->{dir_prop} = {};
$self->{file_prop} = {};
@@ -3210,6 +3291,68 @@ sub new {
$self;
}
+# this uses the Ra object, so it must be called before do_{switch,update},
+# not inside them (when the Git::SVN::Fetcher object is passed) to
+# do_{switch,update}
+sub _mark_empty_symlinks {
+ my ($git_svn, $switch_path) = @_;
+ my $bool = Git::config_bool('svn.brokenSymlinkWorkaround');
+ return {} if (!defined($bool)) || (defined($bool) && ! $bool);
+
+ my %ret;
+ my ($rev, $cmt) = $git_svn->last_rev_commit;
+ return {} unless ($rev && $cmt);
+
+ # allow the warning to be printed for each revision we fetch to
+ # ensure the user sees it. The user can also disable the workaround
+ # on the repository even while git svn is running and the next
+ # revision fetched will skip this expensive function.
+ my $printed_warning;
+ chomp(my $empty_blob = `git hash-object -t blob --stdin < /dev/null`);
+ my ($ls, $ctx) = command_output_pipe(qw/ls-tree -r -z/, $cmt);
+ local $/ = "\0";
+ my $pfx = defined($switch_path) ? $switch_path : $git_svn->{path};
+ $pfx .= '/' if length($pfx);
+ while (<$ls>) {
+ chomp;
+ s/\A100644 blob $empty_blob\t//o or next;
+ unless ($printed_warning) {
+ print STDERR "Scanning for empty symlinks, ",
+ "this may take a while if you have ",
+ "many empty files\n",
+ "You may disable this with `",
+ "git config svn.brokenSymlinkWorkaround ",
+ "false'.\n",
+ "This may be done in a different ",
+ "terminal without restarting ",
+ "git svn\n";
+ $printed_warning = 1;
+ }
+ my $path = $_;
+ my (undef, $props) =
+ $git_svn->ra->get_file($pfx.$path, $rev, undef);
+ if ($props->{'svn:special'}) {
+ $ret{$path} = 1;
+ }
+ }
+ command_close_pipe($ls, $ctx);
+ \%ret;
+}
+
+# returns true if a given path is inside a ".git" directory
+sub in_dot_git {
+ $_[0] =~ m{(?:^|/)\.git(?:/|$)};
+}
+
+# return value: 0 -- don't ignore, 1 -- ignore
+sub is_path_ignored {
+ my ($path) = @_;
+ return 1 if in_dot_git($path);
+ return 0 unless defined($_ignore_regex);
+ return 1 if $path =~ m!$_ignore_regex!o;
+ return 0;
+}
+
sub set_path_strip {
my ($self, $path) = @_;
$self->{path_strip} = qr/^\Q$path\E(\/|$)/ if length $path;
@@ -3235,6 +3378,7 @@ sub git_path {
sub delete_entry {
my ($self, $path, $rev, $pb) = @_;
+ return undef if is_path_ignored($path);
my $gpath = $self->git_path($path);
return undef if ($gpath eq '');
@@ -3262,26 +3406,40 @@ sub delete_entry {
sub open_file {
my ($self, $path, $pb, $rev) = @_;
+ my ($mode, $blob);
+
+ goto out if is_path_ignored($path);
+
my $gpath = $self->git_path($path);
- my ($mode, $blob) = (command('ls-tree', $self->{c}, '--', $gpath)
+ ($mode, $blob) = (command('ls-tree', $self->{c}, '--', $gpath)
=~ /^(\d{6}) blob ([a-f\d]{40})\t/);
unless (defined $mode && defined $blob) {
die "$path was not found in commit $self->{c} (r$rev)\n";
}
+ if ($mode eq '100644' && $self->{empty_symlinks}->{$path}) {
+ $mode = '120000';
+ }
+out:
{ path => $path, mode_a => $mode, mode_b => $mode, blob => $blob,
pool => SVN::Pool->new, action => 'M' };
}
sub add_file {
my ($self, $path, $pb, $cp_path, $cp_rev) = @_;
- my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
- delete $self->{empty}->{$dir};
- { path => $path, mode_a => 100644, mode_b => 100644,
+ my $mode;
+
+ if (!is_path_ignored($path)) {
+ my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
+ delete $self->{empty}->{$dir};
+ $mode = '100644';
+ }
+ { path => $path, mode_a => $mode, mode_b => $mode,
pool => SVN::Pool->new, action => 'A' };
}
sub add_directory {
my ($self, $path, $cp_path, $cp_rev) = @_;
+ goto out if is_path_ignored($path);
my $gpath = $self->git_path($path);
if ($gpath eq '') {
my ($ls, $ctx) = command_output_pipe(qw/ls-tree
@@ -3299,11 +3457,13 @@ sub add_directory {
my ($dir, $file) = ($path =~ m#^(.*?)/?([^/]+)$#);
delete $self->{empty}->{$dir};
$self->{empty}->{$path} = 1;
+out:
{ path => $path };
}
sub change_dir_prop {
my ($self, $db, $prop, $value) = @_;
+ return undef if is_path_ignored($db->{path});
$self->{dir_prop}->{$db->{path}} ||= {};
$self->{dir_prop}->{$db->{path}}->{$prop} = $value;
undef;
@@ -3311,6 +3471,7 @@ sub change_dir_prop {
sub absent_directory {
my ($self, $path, $pb) = @_;
+ return undef if is_path_ignored($path);
$self->{absent_dir}->{$pb->{path}} ||= [];
push @{$self->{absent_dir}->{$pb->{path}}}, $path;
undef;
@@ -3318,6 +3479,7 @@ sub absent_directory {
sub absent_file {
my ($self, $path, $pb) = @_;
+ return undef if is_path_ignored($path);
$self->{absent_file}->{$pb->{path}} ||= [];
push @{$self->{absent_file}->{$pb->{path}}}, $path;
undef;
@@ -3325,6 +3487,7 @@ sub absent_file {
sub change_file_prop {
my ($self, $fb, $prop, $value) = @_;
+ return undef if is_path_ignored($fb->{path});
if ($prop eq 'svn:executable') {
if ($fb->{mode_b} != 120000) {
$fb->{mode_b} = defined $value ? 100755 : 100644;
@@ -3340,22 +3503,43 @@ sub change_file_prop {
sub apply_textdelta {
my ($self, $fb, $exp) = @_;
+ return undef if is_path_ignored($fb->{path});
my $fh = $::_repository->temp_acquire('svn_delta');
# $fh gets auto-closed() by SVN::TxDelta::apply(),
# (but $base does not,) so dup() it for reading in close_file
open my $dup, '<&', $fh or croak $!;
my $base = $::_repository->temp_acquire('git_blob');
+
if ($fb->{blob}) {
- print $base 'link ' if ($fb->{mode_a} == 120000);
- my $size = $::_repository->cat_blob($fb->{blob}, $base);
+ my ($base_is_link, $size);
+
+ if ($fb->{mode_a} eq '120000' &&
+ ! $self->{empty_symlinks}->{$fb->{path}}) {
+ print $base 'link ' or die "print $!\n";
+ $base_is_link = 1;
+ }
+ retry:
+ $size = $::_repository->cat_blob($fb->{blob}, $base);
die "Failed to read object $fb->{blob}" if ($size < 0);
if (defined $exp) {
seek $base, 0, 0 or croak $!;
my $got = ::md5sum($base);
- die "Checksum mismatch: $fb->{path} $fb->{blob}\n",
- "expected: $exp\n",
- " got: $got\n" if ($got ne $exp);
+ if ($got ne $exp) {
+ my $err = "Checksum mismatch: ".
+ "$fb->{path} $fb->{blob}\n" .
+ "expected: $exp\n" .
+ " got: $got\n";
+ if ($base_is_link) {
+ warn $err,
+ "Retrying... (possibly ",
+ "a bad symlink from SVN)\n";
+ $::_repository->temp_reset($base);
+ $base_is_link = 0;
+ goto retry;
+ }
+ die $err;
+ }
}
}
seek $base, 0, 0 or croak $!;
@@ -3366,6 +3550,8 @@ sub apply_textdelta {
sub close_file {
my ($self, $fb, $exp) = @_;
+ return undef if is_path_ignored($fb->{path});
+
my $hash;
my $path = $self->git_path($fb->{path});
if (my $fh = $fb->{fh}) {
@@ -3379,11 +3565,19 @@ sub close_file {
}
if ($fb->{mode_b} == 120000) {
sysseek($fh, 0, 0) or croak $!;
- sysread($fh, my $buf, 5) == 5 or croak $!;
+ my $rd = sysread($fh, my $buf, 5);
- unless ($buf eq 'link ') {
+ if (!defined $rd) {
+ croak "sysread: $!\n";
+ } elsif ($rd == 0) {
warn "$path has mode 120000",
- " but is not a link\n";
+ " but it points to nothing\n",
+ "converting to an empty file with mode",
+ " 100644\n";
+ $fb->{mode_b} = '100644';
+ } elsif ($buf ne 'link ') {
+ warn "$path has mode 120000",
+ " but is not a link\n";
} else {
my $tmp_fh = $::_repository->temp_acquire(
'svn_hash');
@@ -3883,7 +4077,8 @@ my ($ra_invalid, $can_do_switch, %ignored_err, $RA);
BEGIN {
# enforce temporary pool usage for some simple functions
no strict 'refs';
- for my $f (qw/rev_proplist get_latest_revnum get_uuid get_repos_root/) {
+ for my $f (qw/rev_proplist get_latest_revnum get_uuid get_repos_root
+ get_file/) {
my $SUPER = "SUPER::$f";
*$f = sub {
my $self = shift;
@@ -4019,10 +4214,23 @@ sub DESTROY {
# do not call the real DESTROY since we store ourselves in $RA
}
+# get_log(paths, start, end, limit,
+# discover_changed_paths, strict_node_history, receiver)
sub get_log {
my ($self, @args) = @_;
my $pool = SVN::Pool->new;
- splice(@args, 3, 1) if ($SVN::Core::VERSION le '1.2.0');
+
+ # the limit parameter was not supported in SVN 1.1.x, so we
+ # drop it. Therefore, the receiver callback passed to it
+ # is made aware of this limitation by being wrapped if
+ # the limit passed to is being wrapped.
+ if ($SVN::Core::VERSION le '1.2.0') {
+ my $limit = splice(@args, 3, 1);
+ if ($limit > 0) {
+ my $receiver = pop @args;
+ push(@args, sub { &$receiver(@_) if (--$limit >= 0) });
+ }
+ }
my $ret = $self->SUPER::get_log(@args, $pool);
$pool->clear;
$ret;
@@ -4185,6 +4393,9 @@ sub gs_fetch_loop_common {
}
$self->get_log([$longest_path], $min, $max, 0, 1, 1,
sub { $revs{$_[1]} = _cb(@_) });
+ if ($err) {
+ print "Checked through r$max\r";
+ }
if ($err && $max >= $head) {
print STDERR "Path '$longest_path' ",
"was probably deleted:\n",
@@ -4419,6 +4630,7 @@ package Git::SVN::Log;
use strict;
use warnings;
use POSIX qw/strftime/;
+use Time::Local;
use constant commit_log_separator => ('-' x 72) . "\n";
use vars qw/$TZ $limit $color $pager $non_recursive $verbose $oneline
%rusers $show_commit $incremental/;
@@ -4525,7 +4737,12 @@ sub run_pager {
}
sub format_svn_date {
- return strftime("%Y-%m-%d %H:%M:%S %z (%a, %d %b %Y)", localtime(shift));
+ # some systmes don't handle or mishandle %z, so be creative.
+ my $t = shift || time;
+ my $gm = timelocal(gmtime($t));
+ my $sign = qw( + + - )[ $t <=> $gm ];
+ my $gmoff = sprintf("%s%02d%02d", $sign, (gmtime(abs($t - $gm)))[2,1]);
+ return strftime("%Y-%m-%d %H:%M:%S $gmoff (%a, %d %b %Y)", localtime($t));
}
sub parse_git_date {
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-28 20:46:40 +0000