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debugcommands: perform handshake when obtaining httpv2 peer...
debugcommands: perform handshake when obtaining httpv2 peer If we obtain an httpv2peer directly, the instance doesn't have an API descriptor and therefore doesn't know about the remote's commands, feature support, etc. This doesn't matter now. But when we implement the peer so it consults the API descriptor as part of sending commands, it will. So we change the logic for obtaining an http version 2 peer to go through makepeer() so the peer will perform the handshake and pass the API descriptor to the httpv2peer instance. Tests changed because we now perform a ?cmd=capabilities when obtaining version 2 peers. The Content-Length header is globbed because compression info will lack zstandard for pure builds. Differential Revision: https://phab.mercurial-scm.org/D3296
Augie Fackler - - Load All Authors

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censor.txt
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/ mercurial / help / internals / 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.