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-rwxr-xr-xikiwiki68
1 files changed, 53 insertions, 15 deletions
diff --git a/ikiwiki b/ikiwiki
index 70ede4288..78c706c31 100755
--- a/ikiwiki
+++ b/ikiwiki
@@ -461,18 +461,43 @@ sub rcs_update () { #{{{
}
} #}}}
-sub rcs_commit ($$) { #{{{
+sub rcs_prepedit ($) { #{{{
+ # Prepares to edit a file under revision control. Returns a token
+ # that must be passed into rcs_commit when the file is ready
+ # for committing.
+ # The file is relative to the srcdir.
+ my $file=shift;
+
+ if (-d "$config{srcdir}/.svn") {
+ # For subversion, return the revision of the file when
+ # editing begins.
+ my $rev=svn_info("Revision", "$config{srcdir}/$file");
+ return defined $rev ? $rev : "";
+ }
+} #}}}
+
+sub rcs_commit ($$$) { #{{{
# 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 $rcstoken=shift;
if (-d "$config{srcdir}/.svn") {
- # svn up to let svn merge in other changes
- if (system("svn", "update", "-quiet", "$config{srcdir}/$file") != 0) {
- warn("svn update failed\n");
+ # Check to see if the page has been changed by someone
+ # else since rcs_prepedit was called.
+ my $oldrev=int($rcstoken);
+ my $rev=svn_info("Revision", "$config{srcdir}/$file");
+ if ($rev != $oldrev) {
+ # Merge their changes into the file that we've
+ # changed.
+ if (system("svn", "merge", "--quiet", "-r$oldrev:$rev",
+ "$config{srcdir}/$file") != 0) {
+ warn("svn merge -r$oldrev:$rev failed\n");
+ }
}
+
if (system("svn", "commit", "--quiet", "-m",
possibly_foolish_untaint($message),
"$config{srcdir}/$file") != 0) {
@@ -504,6 +529,15 @@ sub rcs_add ($) { #{{{
}
} #}}}
+sub svn_info ($$) { #{{{
+ my $file=shift;
+ my $field=shift;
+
+ my $info=`LANG=C svn info $file`;
+ my ($ret)=$info=~/^$field: (.*)$/m;
+ return $ret;
+} #}}}
+
sub rcs_recentchanges ($) { #{{{
my $num=shift;
my @ret;
@@ -513,8 +547,7 @@ sub rcs_recentchanges ($) { #{{{
eval q{use Time::Duration};
if (-d "$config{srcdir}/.svn") {
- my $info=`LANG=C svn info $config{srcdir}`;
- my ($svn_url)=$info=~/^URL: (.*)$/m;
+ my $svn_url=svn_info("URL", $config{srcdir});
# FIXME: currently assumes that the wiki is somewhere
# under trunk in svn, doesn't support other layouts.
@@ -1018,7 +1051,7 @@ sub cgi_editpage ($$) { #{{{
eval q{use CGI::FormBuilder};
my $form = CGI::FormBuilder->new(
- fields => [qw(do from page content comments)],
+ fields => [qw(do rcsinfo from page content comments)],
header => 1,
method => 'POST',
validate => {
@@ -1039,6 +1072,13 @@ sub cgi_editpage ($$) { #{{{
error("bad page name");
}
$page=lc($page);
+
+ my $file=$page.$config{default_pageext};
+ my $newfile=1;
+ if (exists $pagesources{lc($page)}) {
+ $file=$pagesources{lc($page)};
+ $newfile=0;
+ }
$form->field(name => "do", type => 'hidden');
$form->field(name => "from", type => 'hidden');
@@ -1046,6 +1086,10 @@ sub cgi_editpage ($$) { #{{{
$form->field(name => "comments", type => "text", size => 80);
$form->field(name => "content", type => "textarea", rows => 20,
cols => 80);
+ if (! $form->submitted) {
+ $form->field(name => "rcsinfo", type => 'hidden',
+ value => rcs_prepedit($file), force => 1);
+ }
if ($form->submitted eq "Cancel") {
print $q->redirect("$config{url}/".htmlpage($page));
@@ -1120,13 +1164,6 @@ sub cgi_editpage ($$) { #{{{
}
else {
# save page
- my $file=$page.$config{default_pageext};
- my $newfile=1;
- if (exists $pagesources{lc($page)}) {
- $file=$pagesources{lc($page)};
- $newfile=0;
- }
-
my $content=$form->field('content');
$content=~s/\r\n/\n/g;
$content=~s/\r/\n/g;
@@ -1152,7 +1189,8 @@ sub cgi_editpage ($$) { #{{{
unlockwiki();
# presumably the commit will trigger an update
# of the wiki
- my $conflict=rcs_commit($file, $message);
+ my $conflict=rcs_commit($file, $message,
+ $form->field("rcsinfo"));
if (defined $conflict) {
$form->tmpl_param("page_conflict", 1);