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I'm seeing that mercurial efficiently compresses the files in repository
(repo/.hg/store/data)
Does anybody know what kind of compression is used for repository files?
Thanks.
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Use the command hg update to switch to an existing branch. Use hg commit --close-branch to mark this branch head as closed. When all heads of a branch are closed, the branch will be considered closed.
Update sets the working directory's parent revision to the specified changeset (see hg help parents). If the changeset is not a descendant or ancestor of the working directory's parent and there are uncommitted changes, the update is aborted.
There are two levels of compression in Mercurial repositories: delta storage, and zlib compression.
In addition, various other parts employ also compression. For example, bundles can be compressed with both gzip and bzip2, as can archive tarballs - but I don't think you were asking for these.
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You might find Mercurial author Matt Mackall's paper on the revlog format interesting.
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