+sub migration_check {
+ return if (-d "$GIT_DIR/svn" || !-d $GIT_DIR);
+ print "Upgrading repository...\n";
+ unless (-d "$GIT_DIR/svn") {
+ mkdir "$GIT_DIR/svn" or croak $!;
+ }
+ print "Data from a previous version of git-svn exists, but\n\t",
+ "$GIT_SVN_DIR\n\t(required for this version ",
+ "($VERSION) of git-svn) does not.\n";
+
+ foreach my $x (`git-rev-parse --symbolic --all`) {
+ 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 $dn;
+ rename "$GIT_DIR/$x", "$GIT_DIR/svn/$x" or croak "$!: $x";
+ my ($url, $path) = repo_path_split($u);
+ s_to_file($url, "$GIT_DIR/svn/$x/info/repo_url");
+ s_to_file($path, "$GIT_DIR/svn/$x/info/repo_path");
+ }
+ print "Done upgrading.\n";
+}
+
+sub init_vars {
+ $GIT_SVN ||= $ENV{GIT_SVN_ID} || 'git-svn';
+ $GIT_SVN_DIR = "$GIT_DIR/svn/$GIT_SVN";
+ $GIT_SVN_INDEX = "$GIT_SVN_DIR/index";
+ $SVN_URL = undef;
+ $REV_DIR = "$GIT_SVN_DIR/revs";
+ $SVN_WC = "$GIT_SVN_DIR/tree";
+}
+
+# convert GetOpt::Long specs for use by git-repo-config
+sub read_repo_config {
+ return unless -d $GIT_DIR;
+ my $opts = shift;
+ foreach my $o (keys %$opts) {
+ my $v = $opts->{$o};
+ my ($key) = ($o =~ /^([a-z\-]+)/);
+ $key =~ s/-//g;
+ my $arg = 'git-repo-config';
+ $arg .= ' --int' if ($o =~ /[:=]i$/);
+ $arg .= ' --bool' if ($o !~ /[:=][sfi]$/);
+ if (ref $v eq 'ARRAY') {
+ chomp(my @tmp = `$arg --get-all svn.$key`);
+ @$v = @tmp if @tmp;
+ } else {
+ chomp(my $tmp = `$arg --get svn.$key`);
+ if ($tmp && !($arg =~ / --bool / && $tmp eq 'false')) {
+ $$v = $tmp;
+ }
+ }
+ }
+}
+