diff options
Diffstat (limited to 'git-svn.perl')
| -rwxr-xr-x | git-svn.perl | 76 |
1 files changed, 60 insertions, 16 deletions
diff --git a/git-svn.perl b/git-svn.perl index 4334b95f70..c84842ff03 100755 --- a/git-svn.perl +++ b/git-svn.perl @@ -1,4 +1,4 @@ -#!/usr/bin/env perl +#!/usr/bin/perl # Copyright (C) 2006, Eric Wong <normalperson@yhbt.net> # License: GPL v2 or later use 5.008; @@ -36,11 +36,33 @@ $ENV{TZ} = 'UTC'; $| = 1; # unbuffer STDOUT sub fatal (@) { print STDERR "@_\n"; exit 1 } + +# All SVN commands do it. Otherwise we may die on SIGPIPE when the remote +# repository decides to close the connection which we expect to be kept alive. +$SIG{PIPE} = 'IGNORE'; + +# Given a dot separated version number, "subtract" it from +# the SVN::Core::VERSION; non-negaitive return means the SVN::Core +# is at least at the version the caller asked for. +sub compare_svn_version { + my (@ours) = split(/\./, $SVN::Core::VERSION); + my (@theirs) = split(/\./, $_[0]); + my ($i, $diff); + + for ($i = 0; $i < @ours && $i < @theirs; $i++) { + $diff = $ours[$i] - $theirs[$i]; + return $diff if ($diff); + } + return 1 if ($i < @ours); + return -1 if ($i < @theirs); + return 0; +} + sub _req_svn { require SVN::Core; # use()-ing this causes segfaults for me... *shrug* require SVN::Ra; require SVN::Delta; - if ($SVN::Core::VERSION lt '1.1.0') { + if (::compare_svn_version('1.1.0') < 0) { fatal "Need SVN::Core 1.1.0 or better (got $SVN::Core::VERSION)"; } } @@ -84,7 +106,7 @@ my ($_stdin, $_help, $_edit, $_message, $_file, $_branch_dest, $_template, $_shared, $_version, $_fetch_all, $_no_rebase, $_fetch_parent, - $_merge, $_strategy, $_dry_run, $_local, + $_merge, $_strategy, $_preserve_merges, $_dry_run, $_local, $_prefix, $_no_checkout, $_url, $_verbose, $_git_format, $_commit_url, $_tag, $_merge_info, $_interactive); $Git::SVN::_follow_parent = 1; @@ -233,6 +255,7 @@ my %cmd = ( 'local|l' => \$_local, 'fetch-all|all' => \$_fetch_all, 'dry-run|n' => \$_dry_run, + 'preserve-merges|p' => \$_preserve_merges, %fc_opts } ], 'commit-diff' => [ \&cmd_commit_diff, 'Commit a diff between two trees', @@ -1469,7 +1492,7 @@ sub cmd_info { } ::_req_svn(); $result .= "Repository UUID: $uuid\n" unless $diff_status eq "A" && - ($SVN::Core::VERSION le '1.5.4' || $file_type ne "dir"); + (::compare_svn_version('1.5.4') <= 0 || $file_type ne "dir"); $result .= "Revision: " . ($diff_status eq "A" ? 0 : $rev) . "\n"; $result .= "Node Kind: " . @@ -1570,6 +1593,7 @@ sub rebase_cmd { push @cmd, '-v' if $_verbose; push @cmd, qw/--merge/ if $_merge; push @cmd, "--strategy=$_strategy" if $_strategy; + push @cmd, "--preserve-merges" if $_preserve_merges; @cmd; } @@ -2031,6 +2055,7 @@ use IPC::Open3; use Time::Local; use Memoize; # core since 5.8.0, Jul 2002 use Memoize::Storable; +use POSIX qw(:signal_h); my ($_gc_nr, $_gc_period); @@ -4059,11 +4084,14 @@ 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 +4130,8 @@ 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 +5463,7 @@ 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 +5479,23 @@ sub _auth_providers () { \&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 (::compare_svn_version('1.6.12') > 0) { + 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 { @@ -5599,7 +5642,7 @@ sub get_log { # 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') { + if (::compare_svn_version('1.2.0') <= 0) { my $limit = splice(@args, 3, 1); if ($limit > 0) { my $receiver = pop @args; @@ -5631,7 +5674,8 @@ sub trees_match { sub get_commit_editor { my ($self, $log, $cb, $pool) = @_; - my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef, 0) : (); + + my @lock = (::compare_svn_version('1.2.0') >= 0) ? (undef, 0) : (); $self->SUPER::get_commit_editor($log, $cb, @lock, $pool); } @@ -5649,7 +5693,7 @@ sub gs_do_update { my (@pc) = split m#/#, $path; my $reporter = $self->do_update($rev_b, (@pc ? shift @pc : ''), 1, $editor, $pool); - my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef) : (); + my @lock = (::compare_svn_version('1.2.0') >= 0) ? (undef) : (); # Since we can't rely on svn_ra_reparent being available, we'll # just have to do some magic with set_path to make it so @@ -5699,7 +5743,7 @@ sub gs_do_switch { $ra ||= $self; $url_b = escape_url($url_b); my $reporter = $ra->do_switch($rev_b, '', 1, $url_b, $editor, $pool); - my @lock = $SVN::Core::VERSION ge '1.2.0' ? (undef) : (); + my @lock = (::compare_svn_version('1.2.0') >= 0) ? (undef) : (); $reporter->set_path('', $rev_a, 0, @lock, $pool); $reporter->finish_report($pool); |