t4006: Windows do not have /dev/zero

diff --git a/git-svn.perl b/git-svn.perl
index 4334b95f70fab5c3cb9e446a9d6c418748b95bca..427da9e7a1a10ad9949eaa0c97d7fd0aa3436c3e 100755 (executable)
--- a/git-svn.perl
+++ b/git-svn.perl
@@ -36,6 +36,11 @@
 $| = 1; # unbuffer STDOUT
 
 sub fatal (@) { print STDERR "@_\n"; exit 1 }
+
+# All SVN commands do it.  Otherwise we may die on SIGPIPE when the remote
+# repository decides to close the connection which we expect to be kept alive.
+$SIG{PIPE} = 'IGNORE';
+
 sub _req_svn {
        require SVN::Core; # use()-ing this causes segfaults for me... *shrug*
        require SVN::Ra;
@@ -2031,6 +2036,7 @@ package Git::SVN;
 use Time::Local;
 use Memoize;  # core since 5.8.0, Jul 2002
 use Memoize::Storable;
+use POSIX qw(:signal_h);
 
 my ($_gc_nr, $_gc_period);
 
@@ -4059,11 +4065,14 @@ sub rev_map_set {
        length $commit == 40 or die "arg3 must be a full SHA1 hexsum\n";
        my $db = $self->map_path($uuid);
        my $db_lock = "$db.lock";
-       my $sig;
+       my $sigmask;
        $update_ref ||= 0;
        if ($update_ref) {
-               $SIG{INT} = $SIG{HUP} = $SIG{TERM} = $SIG{ALRM} = $SIG{PIPE} =
-                           $SIG{USR1} = $SIG{USR2} = sub { $sig = $_[0] };
+               $sigmask = POSIX::SigSet->new();
+               my $signew = POSIX::SigSet->new(SIGINT, SIGHUP, SIGTERM,
+                       SIGALRM, SIGUSR1, SIGUSR2);
+               sigprocmask(SIG_BLOCK, $signew, $sigmask) or
+                       croak "Can't block signals: $!";
        }
        mkfile($db);
 
@@ -4102,9 +4111,8 @@ sub rev_map_set {
                                    "$db_lock => $db ($!)\n";
        delete $LOCKFILES{$db_lock};
        if ($update_ref) {
-               $SIG{INT} = $SIG{HUP} = $SIG{TERM} = $SIG{ALRM} = $SIG{PIPE} =
-                           $SIG{USR1} = $SIG{USR2} = 'DEFAULT';
-               kill $sig, $$ if defined $sig;
+               sigprocmask(SIG_SETMASK, $sigmask) or
+                       croak "Can't restore signal mask: $!";
        }
 }
 
@@ -5436,7 +5444,7 @@ BEGIN
 }
 
 sub _auth_providers () {
-       [
+       my @rv = (
          SVN::Client::get_simple_provider(),
          SVN::Client::get_ssl_server_trust_file_provider(),
          SVN::Client::get_simple_prompt_provider(
@@ -5452,7 +5460,23 @@ ()
            \&Git::SVN::Prompt::ssl_server_trust),
          SVN::Client::get_username_prompt_provider(
            \&Git::SVN::Prompt::username, 2)
-       ]
+       );
+
+       # earlier 1.6.x versions would segfault, and <= 1.5.x didn't have
+       # this function
+       if ($SVN::Core::VERSION gt '1.6.12') {
+               my $config = SVN::Core::config_get_config($config_dir);
+               my ($p, @a);
+               # config_get_config returns all config files from
+               # ~/.subversion, auth_get_platform_specific_client_providers
+               # just wants the config "file".
+               @a = ($config->{'config'}, undef);
+               $p = SVN::Core::auth_get_platform_specific_client_providers(@a);
+               # Insert the return value from
+               # auth_get_platform_specific_providers
+               unshift @rv, @$p;
+       }
+       \@rv;
 }
 
 sub escape_uri_only {