+# git-config section names are quoted in the config file, so escape them
+sub dq_escape ($) {
+ my ($name) = @_;
+ $name =~ s/\\/\\\\/g;
+ $name =~ s/"/\\"/g;
+ $name;
+}
+
+sub URI_PATH () { '^A-Za-z0-9\-\._~/' }
+
+# n.b. this is a perfect candidate for memoization
+sub inbox_config ($$$) {
+ my ($ctx, $hdr, $txt) = @_;
+ my $ibx = $ctx->{-inbox};
+ push @$hdr, 'Content-Disposition', 'inline; filename=inbox.config';
+ my $name = dq_escape($ibx->{name});
+ $$txt .= <<EOS;
+; example public-inbox config snippet for "$name"
+; see public-inbox-config(5) manpage for more details:
+; https://public-inbox.org/public-inbox-config.html
+[publicinbox "$name"]
+ inboxdir = /path/to/top-level-inbox
+ ; note: public-inbox before v1.2.0 used "mainrepo"
+ ; instead of "inboxdir", both remain supported after 1.2
+ mainrepo = /path/to/top-level-inbox
+ url = https://example.com/$name/
+ url = http://example.onion/$name/
+EOS
+ for my $k (qw(address listid infourl)) {
+ defined(my $v = $ibx->{$k}) or next;
+ $$txt .= "\t$k = $_\n" for @$v;
+ }
+
+ for my $k (qw(filter newsgroup obfuscate replyto watchheader)) {
+ defined(my $v = $ibx->{$k}) or next;
+ $$txt .= "\t$k = $v\n";
+ }
+ $$txt .= "\tnntpmirror = $_\n" for (@{$ibx->nntp_url});
+
+ # note: this doesn't preserve cgitrc layout, since we parse cgitrc
+ # and drop the original structure
+ if (defined(my $cr = $ibx->{coderepo})) {
+ $$txt .= "\tcoderepo = $_\n" for @$cr;
+
+ my $pi_config = $ctx->{www}->{pi_config};
+ for my $cr_name (@$cr) {
+ my $url = $pi_config->{"coderepo.$cr_name.cgiturl"};
+ my $path = "/path/to/$cr_name";
+ $cr_name = dq_escape($cr_name);
+
+ $$txt .= qq([coderepo "$cr_name"]\n);
+ if (defined($url)) {
+ my $cpath = $path;
+ if ($path !~ m![a-z0-9_/\.\-]!i) {
+ $cpath = dq_escape($cpath);
+ }
+ $$txt .= qq(\t; git clone $url "$cpath"\n);
+ }
+ $$txt .= "\tdir = $path\n";
+ $$txt .= "\tcgiturl = https://example.com/";
+ $$txt .= uri_escape_utf8($cr_name, URI_PATH)."\n";
+ }
+ }
+ 1;
+}
+
+sub _default_text ($$$$) {
+ my ($ctx, $key, $hdr, $txt) = @_;