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revbranchcache: move out of branchmap onto localrepo...
revbranchcache: move out of branchmap onto localrepo Previously the revbranchcache was a field inside the branchmap. This is bad for a couple reasons: 1) There can be multiple branchmaps per repo (one for each filter level). There can only be one revbranchcache per repo. In fact, a revbranchcache could only exist on a branchmap that was for the unfiltered view, so you could have branchmaps exist for which you couldn't have a revbranchcache. It was funky. 2) The write lifecycle for the revbranchcache is going to be different from the branchmap (branchmap is greedily written early on, revbranchcache should be lazily computed and written). This patch moves the revbranchcache to live as a field on the localrepo (alongside self._branchmap). This will allow us to handle it's lifecycle differently, which will let us move it to be lazily computed in future patches.
Mads Kiilerich - - Load All Authors

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r20245:4edd179f default
r24373:59cc0924 default
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revisions.txt
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Mercurial supports several ways to specify individual revisions.
A plain integer is treated as a revision number. Negative integers are
treated as sequential offsets from the tip, with -1 denoting the tip,
-2 denoting the revision prior to the tip, and so forth.
A 40-digit hexadecimal string is treated as a unique revision
identifier.
A hexadecimal string less than 40 characters long is treated as a
unique revision identifier and is referred to as a short-form
identifier. A short-form identifier is only valid if it is the prefix
of exactly one full-length identifier.
Any other string is treated as a bookmark, tag, or branch name. A
bookmark is a movable pointer to a revision. A tag is a permanent name
associated with a revision. A branch name denotes the tipmost open branch head
of that branch - or if they are all closed, the tipmost closed head of the
branch. Bookmark, tag, and branch names must not contain the ":" character.
The reserved name "tip" always identifies the most recent revision.
The reserved name "null" indicates the null revision. This is the
revision of an empty repository, and the parent of revision 0.
The reserved name "." indicates the working directory parent. If no
working directory is checked out, it is equivalent to null. If an
uncommitted merge is in progress, "." is the revision of the first
parent.