Merge branch 'master' into revert

[git.ikiwiki.info.git] / doc / plugins / write.mdwn

diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn
index 2e3902388f5c7bba8cc7d57fc39d288d8b2e4faf..1bd3b0f871b34855712417906c711e0100cd7473 100644 (file)
--- a/doc/plugins/write.mdwn
+++ b/doc/plugins/write.mdwn
@@ -177,10 +177,15 @@ function is passed no values.
 
        hook(type => "needsbuild", id => "foo", call => \&needsbuild);
 
 
        hook(type => "needsbuild", id => "foo", call => \&needsbuild);
 

-This allows a plugin to manipulate the list of files that need to be
-built when the wiki is refreshed. The function is passed a reference to an
-array of files that will be rebuilt, and can modify the array, either
-adding or removing files from it.
+This allows a plugin to observe or even manipulate the list of files that
+need to be built when the wiki is refreshed. 
+
+As its first parameter, the function is passed a reference to an array of
+files that will be built. It should return an array reference that is a
+modified version of its input. It can add or remove files from it.
+
+The second parameter passed to the function is a reference to an array of
+files that have been deleted.

 
 ### scan
 
 
 ### scan
 


@@ -600,6 +605,13 @@ function of the ikiwiki wrapper when it is being generated.
 The code runs before anything else -- in particular it runs before
 the suid wrapper has sanitized its environment.
 
 The code runs before anything else -- in particular it runs before
 the suid wrapper has sanitized its environment.
 

+### disable
+
+       hook(type => "disable", id => "foo", call => \&disable);
+
+This hook is only run when a previously enabled plugin gets disabled
+during ikiwiki setup. Plugins can use this to perform cleanups.
+

 ## Exported variables
 
 Several variables are exported to your plugin when you `use IkiWiki;`
 ## Exported variables
 
 Several variables are exported to your plugin when you `use IkiWiki;`


@@ -728,6 +740,8 @@ with no ".tmpl" extension. Template pages are normally looked for in
 the templates/ directory. If the page name starts with "/", a page
 elsewhere in the wiki can be used.
 
 the templates/ directory. If the page name starts with "/", a page
 elsewhere in the wiki can be used.
 

+If the template is not found, or contains a syntax error, an error is thrown.
+

 ### `template_depends($$;@)`
 
 Use this instead of `template()` if the content of a template is being
 ### `template_depends($$;@)`
 
 Use this instead of `template()` if the content of a template is being


@@ -1162,9 +1176,9 @@ sense to implement for all RCSs.
 
 It should examine the incoming changes, and do any sanity 
 checks that are appropriate for the RCS to limit changes to safe file adds,
 
 It should examine the incoming changes, and do any sanity 
 checks that are appropriate for the RCS to limit changes to safe file adds,

-removes, and changes. If something bad is found, it should exit
-nonzero, to abort the push. Otherwise, it should return a list of
-files that were changed, in the form:
+removes, and changes. If something bad is found, it should die, to abort
+the push. Otherwise, it should return a list of files that were changed,
+in the form:

 
        {
                file => # name of file that was changed
 
        {
                file => # name of file that was changed


@@ -1177,6 +1191,33 @@ files that were changed, in the form:
 The list will then be checked to make sure that each change is one that
 is allowed to be made via the web interface.
 
 The list will then be checked to make sure that each change is one that
 is allowed to be made via the web interface.
 

+#### `rcs_preprevert($)`
+
+This is called by the revert web interface. It is passed a RCS-specific
+change ID, and should determine what the effects would be of reverting
+that change, and return the same data structure as `rcs_receive`.
+
+Like `rcs_receive`, it should do whatever sanity checks are appropriate
+for the RCS to limit changes to safe changes, and die if a change would
+be unsafe to revert.
+
+#### `rcs_revert(@)`
+
+This is called by the revert web interface. It is passed a named
+parameter rev that is the RCS-specific change ID to revert.
+
+Addition named parameters: `message`, and `session` (optional).
+
+It should try to revert the specified rev, which includes committing
+the reversion, and returns undef on _success_ and an error message
+on failure.
+
+#### `rcs_showpatch(@)`
+
+This is passed a named parameter rev that is a RCS-specific
+change ID. It should generate a diff-style patch showing the changes
+made and return it.
+

 ### PageSpec plugins
 
 It's also possible to write plugins that add new functions to
 ### PageSpec plugins
 
 It's also possible to write plugins that add new functions to