summaryrefslogtreecommitdiff
path: root/IkiWiki/Plugin/svn.pm
diff options
context:
space:
mode:
Diffstat (limited to 'IkiWiki/Plugin/svn.pm')
-rw-r--r--IkiWiki/Plugin/svn.pm377
1 files changed, 377 insertions, 0 deletions
diff --git a/IkiWiki/Plugin/svn.pm b/IkiWiki/Plugin/svn.pm
new file mode 100644
index 000000000..51683704c
--- /dev/null
+++ b/IkiWiki/Plugin/svn.pm
@@ -0,0 +1,377 @@
+#!/usr/bin/perl
+package IkiWiki::Plugin::svn;
+
+use warnings;
+use strict;
+use IkiWiki;
+use POSIX qw(setlocale LC_CTYPE);
+
+sub import { #{{{
+ hook(type => "checkconfig", id => "svn", call => \&checkconfig);
+ hook(type => "getsetup", id => "svn", call => \&getsetup);
+ hook(type => "rcs", id => "rcs_update", call => \&rcs_update);
+ hook(type => "rcs", id => "rcs_prepedit", call => \&rcs_prepedit);
+ hook(type => "rcs", id => "rcs_commit", call => \&rcs_commit);
+ hook(type => "rcs", id => "rcs_commit_staged", call => \&rcs_commit_staged);
+ hook(type => "rcs", id => "rcs_add", call => \&rcs_add);
+ hook(type => "rcs", id => "rcs_remove", call => \&rcs_remove);
+ hook(type => "rcs", id => "rcs_rename", call => \&rcs_rename);
+ hook(type => "rcs", id => "rcs_recentchanges", call => \&rcs_recentchanges);
+ hook(type => "rcs", id => "rcs_diff", call => \&rcs_diff);
+ hook(type => "rcs", id => "rcs_getctime", call => \&rcs_getctime);
+} #}}}
+
+sub checkconfig () { #{{{
+ if (! defined $config{svnpath}) {
+ $config{svnpath}="trunk";
+ }
+ if (exists $config{svnpath}) {
+ # code depends on the path not having extraneous slashes
+ $config{svnpath}=~tr#/#/#s;
+ $config{svnpath}=~s/\/$//;
+ $config{svnpath}=~s/^\///;
+ }
+ if (defined $config{svn_wrapper} && length $config{svn_wrapper}) {
+ push @{$config{wrappers}}, {
+ wrapper => $config{svn_wrapper},
+ wrappermode => (defined $config{svn_wrappermode} ? $config{svn_wrappermode} : "04755"),
+ };
+ }
+} #}}}
+
+sub getsetup () { #{{{
+ return
+ svnrepo => {
+ type => "string",
+ example => "/svn/wiki",
+ description => "subversion repository location",
+ safe => 0, # path
+ rebuild => 0,
+ },
+ svnpath => {
+ type => "string",
+ example => "trunk",
+ description => "path inside repository where the wiki is located",
+ safe => 0, # paranoia
+ rebuild => 0,
+ },
+ svn_wrapper => {
+ type => "string",
+ example => "/svn/wikirepo/hooks/post-commit",
+ description => "svn post-commit executable to generate",
+ safe => 0, # file
+ rebuild => 0,
+ },
+ svn_wrappermode => {
+ type => "string",
+ example => '04755',
+ description => "mode for svn_wrapper (can safely be made suid)",
+ safe => 0,
+ rebuild => 0,
+ },
+ historyurl => {
+ type => "string",
+ example => "http://svn.example.org/trunk/[[file]]",
+ description => "viewvc url to show file history ([[file]] substituted)",
+ safe => 1,
+ rebuild => 1,
+ },
+ diffurl => {
+ type => "string",
+ example => "http://svn.example.org/trunk/[[file]]?root=wiki&r1=[[r1]]&r2=[[r2]]",
+ description => "viewvc url to show a diff ([[file]], [[r1]], and [[r2]] substituted)",
+ safe => 1,
+ rebuild => 1,
+ },
+} #}}}
+
+# svn needs LC_CTYPE set to a UTF-8 locale, so try to find one. Any will do.
+sub find_lc_ctype() {
+ my $current = setlocale(LC_CTYPE());
+ return $current if $current =~ m/UTF-?8$/i;
+
+ # Make some obvious attempts to avoid calling `locale -a`
+ foreach my $locale ("$current.UTF-8", "en_US.UTF-8", "en_GB.UTF-8") {
+ return $locale if setlocale(LC_CTYPE(), $locale);
+ }
+
+ # Try to get all available locales and pick the first UTF-8 one found.
+ if (my @locale = grep(/UTF-?8$/i, `locale -a`)) {
+ chomp @locale;
+ return $locale[0] if setlocale(LC_CTYPE(), $locale[0]);
+ }
+
+ # fallback to the current locale
+ return $current;
+} # }}}
+$ENV{LC_CTYPE} = $ENV{LC_CTYPE} || find_lc_ctype();
+
+sub svn_info ($$) { #{{{
+ my $field=shift;
+ my $file=shift;
+
+ my $info=`LANG=C svn info $file`;
+ my ($ret)=$info=~/^$field: (.*)$/m;
+ return $ret;
+} #}}}
+
+sub rcs_update () { #{{{
+ if (-d "$config{srcdir}/.svn") {
+ if (system("svn", "update", "--quiet", $config{srcdir}) != 0) {
+ warn("svn update failed\n");
+ }
+ }
+} #}}}
+
+sub rcs_prepedit ($) { #{{{
+ # Prepares to edit a file under revision control. Returns a token
+ # that must be passed into rcs_commit when the file is ready
+ # for committing.
+ # The file is relative to the srcdir.
+ my $file=shift;
+
+ if (-d "$config{srcdir}/.svn") {
+ # For subversion, return the revision of the file when
+ # editing begins.
+ my $rev=svn_info("Revision", "$config{srcdir}/$file");
+ return defined $rev ? $rev : "";
+ }
+} #}}}
+
+sub rcs_commit ($$$;$$) { #{{{
+ # Tries to commit the page; returns undef on _success_ and
+ # a version of the page with the rcs's conflict markers on failure.
+ # The file is relative to the srcdir.
+ my $file=shift;
+ my $message=shift;
+ my $rcstoken=shift;
+ my $user=shift;
+ my $ipaddr=shift;
+
+ if (defined $user) {
+ $message="web commit by $user".(length $message ? ": $message" : "");
+ }
+ elsif (defined $ipaddr) {
+ $message="web commit from $ipaddr".(length $message ? ": $message" : "");
+ }
+
+ if (-d "$config{srcdir}/.svn") {
+ # Check to see if the page has been changed by someone
+ # else since rcs_prepedit was called.
+ my ($oldrev)=$rcstoken=~/^([0-9]+)$/; # untaint
+ my $rev=svn_info("Revision", "$config{srcdir}/$file");
+ if (defined $rev && defined $oldrev && $rev != $oldrev) {
+ # Merge their changes into the file that we've
+ # changed.
+ if (system("svn", "merge", "--quiet", "-r$oldrev:$rev",
+ "$config{srcdir}/$file", "$config{srcdir}/$file") != 0) {
+ warn("svn merge -r$oldrev:$rev failed\n");
+ }
+ }
+
+ if (system("svn", "commit", "--quiet",
+ "--encoding", "UTF-8", "-m",
+ IkiWiki::possibly_foolish_untaint($message),
+ $config{srcdir}) != 0) {
+ my $conflict=readfile("$config{srcdir}/$file");
+ if (system("svn", "revert", "--quiet", "$config{srcdir}/$file") != 0) {
+ warn("svn revert failed\n");
+ }
+ return $conflict;
+ }
+ }
+ return undef # success
+} #}}}
+
+sub rcs_commit_staged ($$$) {
+ # Commits all staged changes. Changes can be staged using rcs_add,
+ # rcs_remove, and rcs_rename.
+ my ($message, $user, $ipaddr)=@_;
+
+ if (defined $user) {
+ $message="web commit by $user".(length $message ? ": $message" : "");
+ }
+ elsif (defined $ipaddr) {
+ $message="web commit from $ipaddr".(length $message ? ": $message" : "");
+ }
+
+ if (system("svn", "commit", "--quiet",
+ "--encoding", "UTF-8", "-m",
+ IkiWiki::possibly_foolish_untaint($message),
+ $config{srcdir}) != 0) {
+ warn("svn commit failed\n");
+ return 1; # failure
+ }
+ return undef # success
+}
+
+sub rcs_add ($) { #{{{
+ # filename is relative to the root of the srcdir
+ my $file=shift;
+
+ if (-d "$config{srcdir}/.svn") {
+ my $parent=IkiWiki::dirname($file);
+ while (! -d "$config{srcdir}/$parent/.svn") {
+ $file=$parent;
+ $parent=IkiWiki::dirname($file);
+ }
+
+ if (system("svn", "add", "--quiet", "$config{srcdir}/$file") != 0) {
+ warn("svn add failed\n");
+ }
+ }
+} #}}}
+
+sub rcs_remove ($) { #{{{
+ # filename is relative to the root of the srcdir
+ my $file=shift;
+
+ if (-d "$config{srcdir}/.svn") {
+ if (system("svn", "rm", "--force", "--quiet", "$config{srcdir}/$file") != 0) {
+ warn("svn rm failed\n");
+ }
+ }
+} #}}}
+
+sub rcs_rename ($$) { #{{{
+ # filenames relative to the root of the srcdir
+ my ($src, $dest)=@_;
+
+ if (-d "$config{srcdir}/.svn") {
+ # Add parent directory for $dest
+ my $parent=dirname($dest);
+ if (! -d "$config{srcdir}/$parent/.svn") {
+ while (! -d "$config{srcdir}/$parent/.svn") {
+ $parent=dirname($dest);
+ }
+ if (system("svn", "add", "--quiet", "$config{srcdir}/$parent") != 0) {
+ warn("svn add $parent failed\n");
+ }
+ }
+
+ if (system("svn", "mv", "--force", "--quiet",
+ "$config{srcdir}/$src", "$config{srcdir}/$dest") != 0) {
+ warn("svn rename failed\n");
+ }
+ }
+} #}}}
+
+sub rcs_recentchanges ($) { #{{{
+ my $num=shift;
+ my @ret;
+
+ return unless -d "$config{srcdir}/.svn";
+
+ eval q{
+ use Date::Parse;
+ use XML::SAX;
+ use XML::Simple;
+ };
+ error($@) if $@;
+
+ # avoid using XML::SAX::PurePerl, it's buggy with UTF-8 data
+ my @parsers = map { ${$_}{Name} } @{XML::SAX->parsers()};
+ do {
+ $XML::Simple::PREFERRED_PARSER = pop @parsers;
+ } until $XML::Simple::PREFERRED_PARSER ne 'XML::SAX::PurePerl';
+
+ # --limit is only supported on Subversion 1.2.0+
+ my $svn_version=`svn --version -q`;
+ my $svn_limit='';
+ $svn_limit="--limit $num"
+ if $svn_version =~ /\d\.(\d)\.\d/ && $1 >= 2;
+
+ my $svn_url=svn_info("URL", $config{srcdir});
+ my $xml = XMLin(scalar `svn $svn_limit --xml -v log '$svn_url'`,
+ ForceArray => [ 'logentry', 'path' ],
+ GroupTags => { paths => 'path' },
+ KeyAttr => { path => 'content' },
+ );
+ foreach my $logentry (@{$xml->{logentry}}) {
+ my (@pages, @message);
+
+ my $rev = $logentry->{revision};
+ my $user = $logentry->{author};
+
+ my $when=str2time($logentry->{date}, 'UTC');
+
+ foreach my $msgline (split(/\n/, $logentry->{msg})) {
+ push @message, { line => $msgline };
+ }
+
+ my $committype="web";
+ if (defined $message[0] &&
+ $message[0]->{line}=~/$config{web_commit_regexp}/) {
+ $user=defined $2 ? "$2" : "$3";
+ $message[0]->{line}=$4;
+ }
+ else {
+ $committype="svn";
+ }
+
+ foreach my $file (keys %{$logentry->{paths}}) {
+ if (length $config{svnpath}) {
+ next unless $file=~/^\/\Q$config{svnpath}\E\/([^ ]+)(?:$|\s)/;
+ $file=$1;
+ }
+
+ my $diffurl=defined $config{diffurl} ? $config{diffurl} : "";
+ $diffurl=~s/\[\[file\]\]/$file/g;
+ $diffurl=~s/\[\[r1\]\]/$rev - 1/eg;
+ $diffurl=~s/\[\[r2\]\]/$rev/g;
+
+ push @pages, {
+ page => pagename($file),
+ diffurl => $diffurl,
+ } if length $file;
+ }
+ push @ret, {
+ rev => $rev,
+ user => $user,
+ committype => $committype,
+ when => $when,
+ message => [@message],
+ pages => [@pages],
+ } if @pages;
+ return @ret if @ret >= $num;
+ }
+
+ return @ret;
+} #}}}
+
+sub rcs_diff ($) { #{{{
+ my $rev=IkiWiki::possibly_foolish_untaint(int(shift));
+ return `svnlook diff $config{svnrepo} -r$rev --no-diff-deleted`;
+} #}}}
+
+sub rcs_getctime ($) { #{{{
+ my $file=shift;
+
+ my $svn_log_infoline=qr/^r\d+\s+\|\s+[^\s]+\s+\|\s+(\d+-\d+-\d+\s+\d+:\d+:\d+\s+[-+]?\d+).*/;
+
+ my $child = open(SVNLOG, "-|");
+ if (! $child) {
+ exec("svn", "log", $file) || error("svn log $file failed to run");
+ }
+
+ my $date;
+ while (<SVNLOG>) {
+ if (/$svn_log_infoline/) {
+ $date=$1;
+ }
+ }
+ close SVNLOG || warn "svn log $file exited $?";
+
+ if (! defined $date) {
+ warn "failed to parse svn log for $file\n";
+ return 0;
+ }
+
+ eval q{use Date::Parse};
+ error($@) if $@;
+ $date=str2time($date);
+ debug("found ctime ".localtime($date)." for $file");
+ return $date;
+} #}}}
+
+1