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hgweb: handle None from templatedir() equally bad in webcommands.py...
hgweb: handle None from templatedir() equally bad in webcommands.py The following paragraph is based just on my reading of the code; I have not tried to test it. Before my recent work on templates in frozen binaries, it seems both `hgwebdir_mod.py` and `webcommands.py` would pass in an empty list into `staticfile()` when running in a frozen binary. That would then result in a variable in that function (`path`) not getting bound before its first use. I then changed that without thinking in D8786 so we passed a `None` value into the function, which made it break in another way (trying to iterate over `None`). Then I tried to fix it up in D8810, but I only changed `hgwebdir_mod.py` for some reason, and it still doesn't actually work in frozen binaries (which seems fair, since was broken before my changes too). This patch just replicates the half-assed "fix" from D8810 in `webcommands.py`, so they look more similar so I can start refactoring them in the same way. Differential Revision: https://phab.mercurial-scm.org/D8933
Matt Harbison - - Load All Authors

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censor.txt
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The censor system allows retroactively removing content from
files. Actually censoring a node requires using the censor extension,
but the functionality for handling censored nodes is partially in core.
Censored nodes in a filelog have the flag ``REVIDX_ISCENSORED`` set,
and the contents of the censored node are replaced with a censor
tombstone. For historical reasons, the tombstone is packed in the
filelog metadata field ``censored``. This allows censored nodes to be
(mostly) safely transmitted through old formats like changegroup
versions 1 and 2. When using changegroup formats older than 3, the
receiver is required to re-add the ``REVIDX_ISCENSORED`` flag when
storing the revision. This depends on the ``censored`` metadata key
never being used for anything other than censoring revisions, which is
true as of January 2017. Note that the revlog flag is the
authoritative marker of a censored node: the tombstone should only be
consulted when looking for a reason a node was censored or when revlog
flags are unavailable as mentioned above.
The tombstone data is a free-form string. It's expected that users of
censor will want to record the reason for censoring a node in the
tombstone. Censored nodes must be able to fit in the size of the
content being censored.