##// END OF EJS Templates
manifest: repurpose flagsdiff() into (node-and-flag)diff()...
manifest: repurpose flagsdiff() into (node-and-flag)diff() The manifestdict class already has a method for diff flags between two manifests (presumably because there is no full access to the private _flags field). The only caller is merge.manifestmerge(), which also wants a diff of files between the same manifests. Let's combine the code for diffing files and flags into a single method on manifestdict. This puts all the manifest diffing in one place and will allow for further simplification. It might also be useful for it to be encapsulated in manifestdict if we later decide to to shard manifests. The docstring is intentionally unclear about missing entries for now.

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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.