Avoid uninitialized warnings with comments+no CGI.

[git.ikiwiki.info.git] / IkiWiki / Plugin / cvs.pm

diff --git a/IkiWiki/Plugin/cvs.pm b/IkiWiki/Plugin/cvs.pm
index 0a6cbfaf6358f7a53014260f71c69ae5820641dc..841aec914f7208df52036379319f4bdfda7ddc01 100644 (file)
--- a/IkiWiki/Plugin/cvs.pm
+++ b/IkiWiki/Plugin/cvs.pm
@@ -33,6 +33,7 @@ use warnings;
 use strict;
 use IkiWiki;
 
+use URI::Escape q{uri_escape_utf8};
 use File::chdir;
 
 
@@ -215,14 +216,12 @@ sub rcs_add ($) {
 
        while ($file = pop @files_to_add) {
                if (@files_to_add == 0) {
-                       # file
                        cvs_runcvs('add', cvs_keyword_subst_args($file)) ||
-                               warn("cvs add $file failed\n");
+                               warn("cvs add file $file failed\n");
                }
                else {
-                       # directory
                        cvs_runcvs('add', $file) ||
-                               warn("cvs add $file failed\n");
+                               warn("cvs add dir $file failed\n");
                }
        }
 }
@@ -315,7 +314,10 @@ sub rcs_recentchanges ($) {
                        $oldrev =~ s/INITIAL/0/;
                        $newrev =~ s/\(DEAD\)//;
                        my $diffurl = defined $config{diffurl} ? $config{diffurl} : "";
-                       $diffurl=~s/\[\[file\]\]/$page/g;
+                       my $epage = join('/',
+                               map { uri_escape_utf8($_) } split('/', $page)
+                       );
+                       $diffurl=~s/\[\[file\]\]/$epage/g;
                        $diffurl=~s/\[\[r1\]\]/$oldrev/g;
                        $diffurl=~s/\[\[r2\]\]/$newrev/g;
                        unshift @pages, {
@@ -394,11 +396,15 @@ sub rcs_diff ($;$) {
        my @cvsps = `env TZ=UTC cvsps -q --cvs-direct -z 30 -g -s $rev`;
        my $blank_lines_seen = 0;
 
+       # skip log, get to the diff
        while (my $line = shift @cvsps) {
                $blank_lines_seen++ if ($line =~ /^$/);
                last if $blank_lines_seen == 2;
        }
 
+       @cvsps = @cvsps[0..$maxlines-1]
+               if defined $maxlines && @cvsps > $maxlines;
+
        if (wantarray) {
                return @cvsps;
        }
@@ -489,24 +495,53 @@ sub cvs_keyword_subst_args ($) {
        my $filemime = File::MimeInfo::default($file);
        # if (-T $file) {
 
-       if (defined($filemime) && $filemime eq 'text/plain') {
-               return ($file);
-       }
-       else {
-               return ('-kb', $file);
-       }
+       defined($filemime) && $filemime eq 'text/plain'
+               ? return ('-kkv', $file)
+               : return ('-kb', $file);
 }
 
 sub cvs_runcvs(@) {
        my @cmd = @_;
        unshift @cmd, 'cvs', '-Q';
 
-       local $CWD = $config{srcdir};
+       # CVS can't operate outside a srcdir, so we're always setting $CWD.
+       # "local $CWD" restores the previous value when we go out of scope.
+       # Usually that's correct. But if we're removing the last file from
+       # a directory, the post-commit hook will exec in a working directory
+       # that's about to not exist (CVS will prune it).
+       #
+       # chdir() manually here, so we can selectively not chdir() back.
+
+       my $oldcwd = $CWD;
+       chdir($config{srcdir});
+
+       eval q{
+               use IPC::Open3;
+               use Symbol qw(gensym);
+               use IO::File;
+       };
+       error($@) if $@;
+
+       my $cvsout = '';
+       my $cvserr = '';
+       local *CATCHERR = IO::File->new_tmpfile;
+       my $pid = open3(gensym(), \*CATCHOUT, ">&CATCHERR", @cmd);
+       while (my $l = <CATCHOUT>) {
+               $cvsout .= $l
+                       unless 1;
+       }
+       waitpid($pid, 0);
+       my $ret = $? >> 8;
+       seek CATCHERR, 0, 0;
+       while (my $l = <CATCHERR>) {
+               $cvserr .= $l
+                       unless $l =~ /^cvs commit: changing keyword expansion /;
+       }
+
+       print STDOUT $cvsout;
+       print STDERR $cvserr;
 
-       open(my $savedout, ">&STDOUT");
-       open(STDOUT, ">", "/dev/null");
-       my $ret = system(@cmd);
-       open(STDOUT, ">&", $savedout);
+       chdir($oldcwd) if -d $oldcwd;
 
        return ($ret == 0) ? 1 : 0;
 }