X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/ec11400a01743ce9055e78c854519b9baf451c68..4708aeceb3ec518a00069ad7a112ab0a5596275c:/doc/plugins/write.mdwn diff --git a/doc/plugins/write.mdwn b/doc/plugins/write.mdwn index 58c04d97a..b31722dd7 100644 --- a/doc/plugins/write.mdwn +++ b/doc/plugins/write.mdwn @@ -365,6 +365,49 @@ something. The hook is passed named parameters: `page`, `oldpage`, `newpage`, and `content`, and should try to modify the content to reflect the name change. For example, by converting links to point to the new page. +### getsetup + + hook(type => "getsetup", id => "foo", call => \&getsetup); + +This hooks is not called during normal operation, but only when setting up +the wiki, or generating a setup file. Plugins can use this hook to add +configuration options. + +The hook is passed no parameters. It returns data about the configuration +options added by the plugin. It can also check if the plugin is usable, and +die if not, which will cause the plugin to not be offered in the configuration +interface. + +The data returned is a list of `%config` options, followed by a hash +describing the option. For example: + + return + option_foo => { + type => "boolean", + description => "enable foo", + safe => 1, + rebuild => 1, + }, + option_bar => { + type => "string", + example => "hello", + description => "what to say", + safe => 1, + rebuild => 0, + }, + +* `type` can be "boolean", "string", "integer", "pagespec", + or "internal" (used for values that are not user-visible). The type is + the type of the leaf values; the `%config` option may be an array or + hash of these. +* `example` can be set to an example value. +* `description` is a short description of the option. +* `description_html` is an optional short description, that can contain html +* `safe` should be false if the option should not be displayed in unsafe + configuration methods, such as the web interface. Anything that specifies + a command to run, a path on disk, or a regexp should be marked as unsafe. +* `rebuild` should be true if changing the option will require a wiki rebuild. + ## Plugin interface To import the ikiwiki plugin interface: @@ -384,7 +427,7 @@ it's not exported, the wise choice is to not use it. A plugin can access the wiki's configuration via the `%config` hash. The best way to understand the contents of the hash is to look at -[[ikiwiki.setup]], which sets the hash content to configure the wiki. +your ikiwiki setup file, which sets the hash content to configure the wiki. ### %pagestate @@ -621,15 +664,107 @@ PageSpecs glob patterns, but instead only by a special `internal()` ### RCS plugins -ikiwiki's support for [[revision_control_systems|rcs]] also uses pluggable -perl modules. These are in the `IkiWiki::RCS` namespace, for example -`IkiWiki::RCS::svn`. +ikiwiki's support for [[revision_control_systems|rcs]] is also done via +plugins. See [[RCS_details|rcs/details]] for some more info. + +RCS plugins must register a number of hooks. Each hook has type 'rcs', +and the 'id' field is set to the name of the hook. For example: + + hook(type => "rcs", id => "rcs_update", call => \&rcs_update); + hook(type => "rcs", id => "rcs_prepedit", call => \&rcs_prepedit); + +#### `rcs_update()` + +Updates the working directory with any remote changes. + +#### `rcs_prepedit($)` + +Is passed a file to prepare to edit. It can generate and return an arbitrary +token, that will be passed into `rcs_commit` when committing. For example, +it might return the current revision ID of the file, and use that +information later when merging changes. + +#### `rcs_commit($$$;$$)` + +Passed a file, message, token (from `rcs_prepedit`), user, and ip address. +Should try to commit the file. Returns `undef` on *success* and a version +of the page with the rcs's conflict markers on failure. + +#### `rcs_commit_staged($$$)` + +Passed a message, user, and ip address. Should commit all staged changes. +Returns undef on success, and an error message on failure. + +Changes can be staged by calls to `rcs_add, `rcs_remove`, and +`rcs_rename`. + +#### `rcs_add($)` + +Adds the passed file to the archive. The filename is relative to the root +of the srcdir. + +Note that this should not check the new file in, it should only +prepare for it to be checked in when rcs_commit (or `rcs_commit_staged`) is +called. Note that the file may be in a new subdir that is not yet in +to version control; the subdir can be added if so. + +#### `rcs_remove($)` + +Remove a file. The filename is relative to the root of the srcdir. + +Note that this should not check the removal in, it should only prepare for it +to be checked in when `rcs_commit` (or `rcs_commit_staged`) is called. Note +that the new file may be in a new subdir that is not yet inversion +control; the subdir can be added if so. + +#### `rcs_rename($$)` + +Rename a file. The filenames are relative to the root of the srcdir. + +Note that this should not commit the rename, it should only +prepare it for when `rcs_commit` (or `rcs_commit_staged`) is called. +The new filename may be in a new subdir, that is not yet added to +version control. If so, the subdir will exist already, and should +be added to revision control. + +#### `rcs_recentchanges($)` + +Examine the RCS history and generate a list of recent changes. +The parameter is how many changes to return. + +The data structure returned for each change is: + + { + rev => # the RCSs id for this commit + user => # name of user who made the change, + committype => # either "web" or the name of the rcs, + when => # time when the change was made, + message => [ + { line => "commit message line 1" }, + { line => "commit message line 2" }, + # etc, + ], + pages => [ + { + page => # name of page changed, + diffurl => # optional url to a diff of changes + }, + # repeat for each page changed in this commit, + ], + } + +#### `rcs_diff($)` + +The parameter is the rev from `rcs_recentchanges`. +Should return a list of lines of the diff (including \n) in list +context, and the whole diff in scalar context. + +#### `rcs_getctime($)` -Each RCS plugin must support all the `IkiWiki::rcs_*` functions. -See IkiWiki::RCS::Stub for the full list of functions. It's ok if -`rcs_getctime` does nothing except for throwing an error. +This is used to get the page creation time for a file from the RCS, by looking +it up in the history. -See [[RCS_details|rcs/details]] for some more info. +It's ok if this is not implemented, and throws an error. ### PageSpec plugins @@ -644,15 +779,15 @@ IkiWiki::FailReason object if the match fails. ### Setup plugins -The ikiwiki setup file is loaded using a pluggable mechanism. If you -look at the top of [[ikiwiki.setup]], it starts with -'use IkiWiki::Setup::Standard', and the rest of the file is passed to -that module's import method. +The ikiwiki setup file is loaded using a pluggable mechanism. If you look +at the top of a setup file, it starts with 'use IkiWiki::Setup::Standard', +and the rest of the file is passed to that module's import method. It's possible to write other modules in the `IkiWiki::Setup::` namespace that can be used to configure ikiwiki in different ways. These modules should, when imported, populate `$IkiWiki::Setup::raw_setup` with a reference -to a hash containing all the config items. +to a hash containing all the config items. They should also implement a +`gendump` function. By the way, to parse a ikiwiki setup file, a program just needs to do something like: