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[ikiwiki.git] / doc / ikiwiki-transition.mdwn

diff --git a/doc/ikiwiki-transition.mdwn b/doc/ikiwiki-transition.mdwn
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--- a/doc/ikiwiki-transition.mdwn
+++ b/doc/ikiwiki-transition.mdwn
@@ -1,29 +1,75 @@
 # NAME
 
-ikiwiki-transition - transition ikiwiki pages to new syntaxes
+ikiwiki-transition - transition ikiwiki pages to new syntaxes, etc
 
 # SYNOPSIS
 
-ikiwiki-transition prefix_directives page.mdwn...
+ikiwiki-transition type ...
 
 # DESCRIPTION
 
-`ikiwiki-transition` aids in converting ikiwiki pages when
-there's a major change in ikiwiki syntax.
+`ikiwiki-transition` aids in converting wiki pages when there's a major
+change in ikiwiki syntax. It also handles other transitions not involving
+wiki pages.
 
-Currently only one such transition is handled, the `prefix_directives` mode
-converts an ikiwiki page from the old preprocessor directive syntax,
-requiring a space, to the new syntax, prefixed by '!'.
+# prefix_directives your.setup
+
+The `prefix_directives` mode converts all pages from the old preprocessor
+directive syntax, requiring a space, to the new syntax, prefixed by '!'.
 
 Preprocessor directives which already use the new syntax will remain
 unchanged.
 
-Note that if the page contains wiki links with spaces, which some
+Note that if a page contains wiki links with spaces, which some
 older versions of ikiwiki accepted, the prefix_directives transition will
 treat these as preprocessor directives and convert them.
 
+# setupformat your.setup
+
+The `setupformat` mode converts a setup file from using a single `wrappers` block
+to using `cgi_wrapper`, `git_wrapper`, etc.
+
+Note that all comments and any unusual stuff like perl code in the setup
+file will be lost, as it is entirely rewritten by the transition.
+
+# aggregateinternal your.setup
+
+The `aggregateinternal` mode moves pages aggregated by the aggregate plugin
+so that the `aggregateinternal` option can be enabled.
+
+# moveprefs your.setup
+
+Moves values that used to be admin preferences into the setup file.
+
+Note that all comments and any unusual stuff like perl code in the setup
+file will be lost, as it is entirely rewritten by the move.
+
+# indexdb your.setup|srcdir
+
+The `indexdb` mode handles converting a plain text `.ikiwiki/index` file to
+a binary `.ikiwiki/indexdb`. You do not normally need to run
+`ikiwiki-transition indexdb`; ikiwiki will automatically run it as
+necessary.
+
+# hashpassword your.setup|srcdir
+
+The `hashpassword` mode forces any plaintext passwords stored in the
+`.ikiwiki/userdb` file to be replaced with password hashes. (The
+Authen::Passphrase perl module is needed to do this.)
+
+If this is not done explicitly, a user's plaintext password will be
+automatically converted to a hash when a user logs in for the first time
+after upgrade to ikiwiki 2.48.
+
+# deduplinks your.setup
+
+In the past, bugs in ikiwiki have allowed duplicate link information
+to be stored in its indexdb. This mode removes such duplicate information,
+which may speed up wikis afflicted by it. Note that rebuilding the wiki
+will have the same effect.
+
 # AUTHOR
 
-Josh Triplett <josh@freedesktop.org>
+Josh Triplett <josh@freedesktop.org>, Joey Hess <joey@ikiwiki.info>
 
 Warning: this page is automatically made into ikiwiki-transition's man page, edit with care