#
# Standalone code repository viewer for users w/o cgit
package PublicInbox::WwwCoderepo;
use v5.12;
use File::Temp 0.19 (); # newdir
use PublicInbox::ViewVCS;
use PublicInbox::WwwStatic qw(r);
use PublicInbox::GitHTTPBackend;
use PublicInbox::Git;
use PublicInbox::GitAsyncCat;
use PublicInbox::WwwStream;
use PublicInbox::Hval qw(ascii_html);
my $EACH_REF = "git for-each-ref --sort=-creatordate --format='%(HEAD)%00".
join('%00', map { "%($_)" }
qw(objectname refname:short subject creatordate:short))."'";
# shared with PublicInbox::Cgit
sub prepare_coderepos {
my ($self) = @_;
my $pi_cfg = $self->{pi_cfg};
# TODO: support gitweb and other repository viewers?
if (defined(my $cgitrc = $pi_cfg->{-cgitrc_unparsed})) {
$pi_cfg->parse_cgitrc($cgitrc, 0);
}
my $code_repos = $pi_cfg->{-code_repos};
for my $k (grep(/\Acoderepo\.(?:.+)\.dir\z/, keys %$pi_cfg)) {
$k = substr($k, length('coderepo.'), -length('.dir'));
$code_repos->{$k} //= $pi_cfg->fill_code_repo($k);
}
while (my ($nick, $repo) = each %$code_repos) {
$self->{"\0$nick"} = $repo;
}
}
sub new {
my ($cls, $pi_cfg) = @_;
my $self = bless { pi_cfg => $pi_cfg }, $cls;
prepare_coderepos($self);
$self->{$_} = 10 for qw(summary_branches summary_tags);
$self->{$_} = 10 for qw(summary_log);
$self;
}
sub summary_finish {
my ($ctx) = @_;
my $wcb = delete($ctx->{env}->{'qspawn.wcb'}) or return; # already done
my @x = split(/\n\n/sm, delete($ctx->{-each_refs}));
PublicInbox::WwwStream::html_init($ctx);
my $zfh = $ctx->zfh;
# git log
my @r = split(/\n/s, pop(@x) // '');
my $last = pop(@r) if scalar(@r) > $ctx->{wcr}->{summary_log};
print $zfh '$ '.
"git log --pretty=format:'%h %s (%cs)%d'\n";
for (@r) {
my $d; # decorations
s/^ \(([^\)]+)\)// and $d = $1;
substr($_, 0, 1, '');
my ($H, $h, $cs, $s) = split(/ /, $_, 4);
print $zfh "$h ", ascii_html($s),
" (", $cs, ")\n";
print $zfh "\t(", ascii_html($d), ")\n" if $d;
}
print $zfh "# no commits, yet\n" if !@r;
print $zfh "...\n" if $last;
# README
my ($bref, $oid, $ref_path) = @{delete $ctx->{-readme}};
if ($bref) {
my $l = PublicInbox::Linkify->new;
$$bref =~ s/\s*\z//sm;
print $zfh "\n\$ " .
"git cat-file blob ",
ascii_html($ref_path), "\n",
$l->to_html($$bref), '
';
}
# refs/heads
print $zfh "# heads (aka `branches'):\n\$ " .
"git for-each-ref --sort=-creatordate refs/heads" .
" \\\n\t--format='%(HEAD) ". # no space for %(align:) hint
"%(refname:short) %(subject) (%(creatordate:short))'\n";
@r = split(/^/sm, shift(@x) // '');
$last = pop(@r) if scalar(@r) > $ctx->{wcr}->{summary_branches};
for (@r) {
my ($pfx, $oid, $ref, $s, $cd) = split(/\0/);
utf8::decode($_) for ($ref, $s);
chomp $cd;
my $align = length($ref) < 12 ? ' ' x (12 - length($ref)) : '';
print $zfh "$pfx ", ascii_html($ref),
"$align ", ascii_html($s), " ($cd)\n";
}
print $zfh "# no heads (branches) yet...\n" if !@r;
print $zfh "...\n" if $last;
print $zfh "\n# tags:\n\$ " .
"git for-each-ref --sort=-creatordate refs/tags" .
" \\\n\t--format='". # no space for %(align:) hint
"%(refname:short) %(subject) (%(creatordate:short))'\n";
@r = split(/^/sm, shift(@x) // '');
$last = pop(@r) if scalar(@r) > $ctx->{wcr}->{summary_tags};
for (@r) {
my (undef, $oid, $ref, $s, $cd) = split(/\0/);
utf8::decode($_) for ($ref, $s);
chomp $cd;
my $align = length($ref) < 12 ? ' ' x (12 - length($ref)) : '';
print $zfh "", ascii_html($ref),
"$align ", ascii_html($s), " ($cd)\n";
}
print $zfh "# no tags yet...\n" if !@r;
print $zfh "...\n" if $last;
$wcb->($ctx->html_done('
'));
}
sub capture_refs ($$) { # psgi_qx callback to capture git-for-each-ref + git-log
my ($bref, $ctx) = @_;
my $qsp_err = delete $ctx->{-qsp_err};
$ctx->{-each_refs} = $$bref;
summary_finish($ctx) if $ctx->{-readme};
}
sub set_readme { # git->cat_async callback
my ($bref, $oid, $type, $size, $ctx) = @_;
my $ref_path = shift @{$ctx->{-nr_readme_tries}}; # e.g. HEAD:README
if ($type eq 'blob' && !$ctx->{-readme}) {
$ctx->{-readme} = [ $bref, $oid, $ref_path ];
} elsif (scalar @{$ctx->{-nr_readme_tries}} == 0) {
$ctx->{-readme} //= []; # nothing left to try
} # or try another README...
summary_finish($ctx) if $ctx->{-each_refs} && $ctx->{-readme};
}
sub summary {
my ($self, $ctx) = @_;
$ctx->{wcr} = $self;
my $nb = $self->{summary_branches} + 1;
my $nt = $self->{summary_tags} + 1;
my $nl = $self->{summary_log} + 1;
my $qsp = PublicInbox::Qspawn->new([qw(/bin/sh -c),
"$EACH_REF --count=$nb refs/heads; echo && " .
"$EACH_REF --count=$nt refs/tags; echo && " .
"git log -$nl --pretty=format:'%d %H %h %cs %s' --" ],
{ GIT_DIR => $ctx->{git}->{git_dir} });
$qsp->{qsp_err} = \($ctx->{-qsp_err} = '');
my @try = qw(HEAD:README HEAD:README.md); # TODO: configurable
$ctx->{-nr_readme_tries} = [ @try ];
$ctx->{git}->cat_async($_, \&set_readme, $ctx) for @try;
if ($ctx->{env}->{'pi-httpd.async'}) {
PublicInbox::GitAsyncCat::watch_cat($ctx->{git});
} else { # synchronous
$ctx->{git}->cat_async_wait;
}
sub { # $_[0] => PublicInbox::HTTP::{Identity,Chunked}
$ctx->{env}->{'qspawn.wcb'} = $_[0];
$qsp->psgi_qx($ctx->{env}, undef, \&capture_refs, $ctx);
}
}
sub srv { # endpoint called by PublicInbox::WWW
my ($self, $ctx) = @_;
my $path_info = $ctx->{env}->{PATH_INFO};
my $git;
# handle clone requests
if ($path_info =~ m!\A/(.+?)/($PublicInbox::GitHTTPBackend::ANY)\z!x) {
$git = $self->{"\0$1"} and return
PublicInbox::GitHTTPBackend::serve($ctx->{env},$git,$2);
}
$path_info =~ m!\A/(.+?)/\z! and
($ctx->{git} = $self->{"\0$1"}) and return summary($self, $ctx);
$path_info =~ m!\A/(.+?)/([a-f0-9]+)/s/\z! and
($ctx->{git} = $self->{"\0$1"}) and
return PublicInbox::ViewVCS::show($ctx, $2);
if ($path_info =~ m!\A/(.+?)\z! and ($git = $self->{"\0$1"})) {
my $qs = $ctx->{env}->{QUERY_STRING};
my $url = $git->base_url($ctx->{env});
$url .= "?$qs" if $qs ne '';
[ 301, [ Location => $url, 'Content-Type' => 'text/plain' ],
[ "Redirecting to $url\n" ] ];
} else {
r(404);
}
}
1;