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authorJoey Hess <joey@kitenet.net>2010-06-09 17:44:40 -0400
committerJoey Hess <joey@kitenet.net>2010-06-09 17:44:40 -0400
commit24b59b3a9edb350ef0dc064b0a3f3cdee01f81be (patch)
tree7397521e97ea8fa8a65f46e9cb29ece923c8293e /doc/bugs/comments_preview_unsafe_with_allowdirectives.mdwn
parentb2327cfae4ac7da1df7bbf848f575b553f74eafb (diff)
downloadikiwiki-24b59b3a9edb350ef0dc064b0a3f3cdee01f81be.tar
ikiwiki-24b59b3a9edb350ef0dc064b0a3f3cdee01f81be.tar.gz
editpage: Avoid storing accidental state changes when previewing pages.
This is a slow, safe, stupid approach. Could make deep copies of the data structures as backups instead of re-loading the index from disk.
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+If `comments_allowdirectives` is set, previewing a comment can run
+directives that create files. (Eg, img.) Unlike editpage, it does not
+keep track of those files and expire them. So the files will linger in
+destdir forever.
+
+Probably when the user then tries to save the comment, ikiwiki will refuse
+to overwrite the unknown file, and will crash.
+--[[Joey]]