1 # Copyright (C) all contributors <meta@public-inbox.org>
2 # License: AGPL-3.0+ <https://www.gnu.org/licenses/agpl-3.0.txt>
4 # Standalone code repository viewer for users w/o cgit
5 package PublicInbox::WwwCoderepo;
7 use File::Temp 0.19 (); # newdir
8 use PublicInbox::ViewVCS;
9 use PublicInbox::WwwStatic qw(r);
10 use PublicInbox::GitHTTPBackend;
12 use PublicInbox::GitAsyncCat;
13 use PublicInbox::WwwStream;
14 use PublicInbox::Hval qw(ascii_html);
16 my $EACH_REF = "git for-each-ref --sort=-creatordate --format='%(HEAD)%00".
17 join('%00', map { "%($_)" }
18 qw(objectname refname:short subject creatordate:short))."'";
20 # shared with PublicInbox::Cgit
21 sub prepare_coderepos {
23 my $pi_cfg = $self->{pi_cfg};
25 # TODO: support gitweb and other repository viewers?
26 defined($pi_cfg->{'publicinbox.cgitrc'}) and
27 $pi_cfg->parse_cgitrc(undef, 0);
29 my $code_repos = $pi_cfg->{-code_repos};
30 for my $k (grep(/\Acoderepo\.(?:.+)\.dir\z/, keys %$pi_cfg)) {
31 $k = substr($k, length('coderepo.'), -length('.dir'));
32 $code_repos->{$k} //= $pi_cfg->fill_code_repo($k);
34 while (my ($nick, $repo) = each %$code_repos) {
35 $self->{"\0$nick"} = $repo;
40 my ($cls, $pi_cfg) = @_;
41 my $self = bless { pi_cfg => $pi_cfg }, $cls;
42 prepare_coderepos($self);
43 $self->{$_} = 10 for qw(summary_branches summary_tags);
44 $self->{$_} = 10 for qw(summary_log);
50 my $wcb = delete($ctx->{env}->{'qspawn.wcb'}) or return; # already done
51 my @x = split(/\n\n/sm, delete($ctx->{-each_refs}));
52 PublicInbox::WwwStream::html_init($ctx);
56 my @r = split(/\n/s, pop(@x) // '');
57 my $last = pop(@r) if scalar(@r) > $ctx->{wcr}->{summary_log};
61 href='#readme'>about</a> <a
62 href='#heads'>heads</a> <a
66 id=log>\$</a> git log --pretty=format:'%h %s (%cs)%d'
70 s/^ \(([^\)]+)\)// and $d = $1;
72 my ($H, $h, $cs, $s) = split(/ /, $_, 4);
73 print $zfh "<a\nhref=./$H/s/>$h</a> ", ascii_html($s),
75 print $zfh "\t(", ascii_html($d), ")\n" if $d;
77 print $zfh "# no commits, yet\n" if !@r;
78 print $zfh "...\n" if $last;
81 my ($bref, $oid, $ref_path) = @{delete $ctx->{-readme}};
83 my $l = PublicInbox::Linkify->new;
84 $$bref =~ s/\s*\z//sm;
85 print $zfh "\n<a id=readme>\$</a> " .
86 "git cat-file blob <a href=./$oid/s/>",
87 ascii_html($ref_path), "</a>\n",
88 $l->to_html($$bref), '</pre><hr><pre>';
92 print $zfh "<a id=heads># heads (aka `branches'):</a>\n\$ " .
93 "git for-each-ref --sort=-creatordate refs/heads" .
94 " \\\n\t--format='%(HEAD) ". # no space for %(align:) hint
95 "%(refname:short) %(subject) (%(creatordate:short))'\n";
96 @r = split(/^/sm, shift(@x) // '');
97 $last = pop(@r) if scalar(@r) > $ctx->{wcr}->{summary_branches};
99 my ($pfx, $oid, $ref, $s, $cd) = split(/\0/);
100 utf8::decode($_) for ($ref, $s);
102 my $align = length($ref) < 12 ? ' ' x (12 - length($ref)) : '';
103 print $zfh "$pfx <a\nhref=./$oid/s/>", ascii_html($ref),
104 "</a>$align ", ascii_html($s), " ($cd)\n";
106 print $zfh "# no heads (branches) yet...\n" if !@r;
107 print $zfh "...\n" if $last;
108 print $zfh "\n<a id=tags># tags:</a>\n\$ " .
109 "git for-each-ref --sort=-creatordate refs/tags" .
110 " \\\n\t--format='". # no space for %(align:) hint
111 "%(refname:short) %(subject) (%(creatordate:short))'\n";
112 @r = split(/^/sm, shift(@x) // '');
113 $last = pop(@r) if scalar(@r) > $ctx->{wcr}->{summary_tags};
115 my (undef, $oid, $ref, $s, $cd) = split(/\0/);
116 utf8::decode($_) for ($ref, $s);
118 my $align = length($ref) < 12 ? ' ' x (12 - length($ref)) : '';
119 print $zfh "<a\nhref=./$oid/s/>", ascii_html($ref),
120 "</a>$align ", ascii_html($s), " ($cd)\n";
122 print $zfh "# no tags yet...\n" if !@r;
123 print $zfh "...\n" if $last;
124 $wcb->($ctx->html_done('</pre>'));
127 sub capture_refs ($$) { # psgi_qx callback to capture git-for-each-ref + git-log
128 my ($bref, $ctx) = @_;
129 my $qsp_err = delete $ctx->{-qsp_err};
130 $ctx->{-each_refs} = $$bref;
131 summary_finish($ctx) if $ctx->{-readme};
134 sub set_readme { # git->cat_async callback
135 my ($bref, $oid, $type, $size, $ctx) = @_;
136 my $ref_path = shift @{$ctx->{-nr_readme_tries}}; # e.g. HEAD:README
137 if ($type eq 'blob' && !$ctx->{-readme}) {
138 $ctx->{-readme} = [ $bref, $oid, $ref_path ];
139 } elsif (scalar @{$ctx->{-nr_readme_tries}} == 0) {
140 $ctx->{-readme} //= []; # nothing left to try
141 } # or try another README...
142 summary_finish($ctx) if $ctx->{-each_refs} && $ctx->{-readme};
146 my ($self, $ctx) = @_;
148 my $nb = $self->{summary_branches} + 1;
149 my $nt = $self->{summary_tags} + 1;
150 my $nl = $self->{summary_log} + 1;
151 my $qsp = PublicInbox::Qspawn->new([qw(/bin/sh -c),
152 "$EACH_REF --count=$nb refs/heads; echo && " .
153 "$EACH_REF --count=$nt refs/tags; echo && " .
154 "git log -$nl --pretty=format:'%d %H %h %cs %s' --" ],
155 { GIT_DIR => $ctx->{git}->{git_dir} });
156 $qsp->{qsp_err} = \($ctx->{-qsp_err} = '');
157 my @try = qw(HEAD:README HEAD:README.md); # TODO: configurable
158 $ctx->{-nr_readme_tries} = [ @try ];
159 $ctx->{git}->cat_async($_, \&set_readme, $ctx) for @try;
160 if ($ctx->{env}->{'pi-httpd.async'}) {
161 PublicInbox::GitAsyncCat::watch_cat($ctx->{git});
162 } else { # synchronous
163 $ctx->{git}->cat_async_wait;
165 sub { # $_[0] => PublicInbox::HTTP::{Identity,Chunked}
166 $ctx->{env}->{'qspawn.wcb'} = $_[0];
167 $qsp->psgi_qx($ctx->{env}, undef, \&capture_refs, $ctx);
171 sub srv { # endpoint called by PublicInbox::WWW
172 my ($self, $ctx) = @_;
173 my $path_info = $ctx->{env}->{PATH_INFO};
175 # handle clone requests
176 if ($path_info =~ m!\A/(.+?)/($PublicInbox::GitHTTPBackend::ANY)\z!x) {
177 $git = $self->{"\0$1"} and return
178 PublicInbox::GitHTTPBackend::serve($ctx->{env},$git,$2);
180 $path_info =~ m!\A/(.+?)/\z! and
181 ($ctx->{git} = $self->{"\0$1"}) and return summary($self, $ctx);
182 $path_info =~ m!\A/(.+?)/([a-f0-9]+)/s/\z! and
183 ($ctx->{git} = $self->{"\0$1"}) and
184 return PublicInbox::ViewVCS::show($ctx, $2);
187 if ($path_info =~ m!\A/(.+?)/snapshot/([^/]+)\z! and
188 ($ctx->{git} = $self->{"\0$1"})) {
189 require PublicInbox::RepoSnapshot;
190 return PublicInbox::RepoSnapshot::srv($ctx, $2) // r(404);
193 # enforce trailing slash:
194 if ($path_info =~ m!\A/(.+?)\z! and ($git = $self->{"\0$1"})) {
195 my $qs = $ctx->{env}->{QUERY_STRING};
196 my $url = $git->base_url($ctx->{env});
197 $url .= "?$qs" if $qs ne '';
198 [ 301, [ Location => $url, 'Content-Type' => 'text/plain' ],
199 [ "Redirecting to $url\n" ] ];