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| author |  Junio C Hamano <gitster@pobox.com> | 2018-10-16 16:16:05 +0900 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2018-10-16 16:16:05 +0900 |
| commit | 9a40ffd7519590b09e4ea5d27b273910de024b9e (patch) | |
| tree | 340e6b989cb65412d6d8aa9117e85f333a9d78e4 /Documentation/technical/commit-graph.txt | |
| parent | Merge branch 'dz/credential-doc-url-matching-rules' (diff) | |
| parent | Doc: refer to the "commit-graph file" with dash (diff) | |
| download | tgif-9a40ffd7519590b09e4ea5d27b273910de024b9e.tar.xz | |
Merge branch 'ma/commit-graph-docs'
Doc update.
* ma/commit-graph-docs:
Doc: refer to the "commit-graph file" with dash
git-commit-graph.txt: refer to "*commit*-graph file"
git-commit-graph.txt: typeset more in monospace
git-commit-graph.txt: fix bullet lists
Diffstat (limited to 'Documentation/technical/commit-graph.txt')
| -rw-r--r-- | Documentation/technical/commit-graph.txt | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/technical/commit-graph.txt b/Documentation/technical/commit-graph.txt index 001395e950..7805b0968c 100644 --- a/Documentation/technical/commit-graph.txt +++ b/Documentation/technical/commit-graph.txt @@ -15,13 +15,13 @@ There are two main costs here: 1. Decompressing and parsing commits. 2. Walking the entire graph to satisfy topological order constraints. -The commit graph file is a supplemental data structure that accelerates +The commit-graph file is a supplemental data structure that accelerates commit graph walks. If a user downgrades or disables the 'core.commitGraph' config setting, then the existing ODB is sufficient. The file is stored as "commit-graph" either in the .git/objects/info directory or in the info directory of an alternate. -The commit graph file stores the commit graph structure along with some +The commit-graph file stores the commit graph structure along with some extra metadata to speed up graph walks. By listing commit OIDs in lexi- cographic order, we can identify an integer position for each commit and refer to the parents of a commit using those integer positions. We use @@ -103,7 +103,7 @@ that of a parent. Design Details -------------- -- The commit graph file is stored in a file named 'commit-graph' in the +- The commit-graph file is stored in a file named 'commit-graph' in the .git/objects/info directory. This could be stored in the info directory of an alternate. @@ -139,7 +139,7 @@ Future Work - 'log --topo-order' - 'tag --merged' -- A server could provide a commit graph file as part of the network protocol +- A server could provide a commit-graph file as part of the network protocol to avoid extra calculations by clients. This feature is only of benefit if the user is willing to trust the file, because verifying the file is correct is as hard as computing it from scratch. |