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index-format: discuss recursion of cache-tree better

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The end of the cache tree index extension format trails off with
ellipses ever since 23fcc98 (doc: technical details about the index
file format, 2011-03-01). While an intuitive reader could gather what
this means, it could be better to use "and so on" instead.

Really, this is only justified because I also wanted to point out that
the number of subtrees in the index format is used to determine when the
recursive depth-first-search stack should be "popped." This should help
to add clarity to the format.

Signed-off-by: Derrick Stolee <dstolee@microsoft.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Derrick Stolee 2021-01-07 16:32:09 +00:00 committed by Junio C Hamano
parent 22ad8600c1
commit 4bdde337f4
1 changed files with 2 additions and 1 deletions
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Documentation/technical/index-format.txt
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@ -195,7 +195,8 @@ Git index format
first entry represents the root level of the repository, followed by the
first subtree--let's call this A--of the root level (with its name
relative to the root level), followed by the first subtree of A (with
its name relative to A), ...
its name relative to A), and so on. The specified number of subtrees
indicates when the current level of the recursive stack is complete.
=== Resolve undo