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| author | Taylor Blau <me@ttaylorr.com> | 2024-06-25 19:39:50 +0200 |
|---|---|---|
| committer | Junio C Hamano <gitster@pobox.com> | 2024-06-25 22:52:06 +0200 |
| commit | ea0024deb9faa5474673a3db8f4f98812b48f44d (patch) | |
| tree | 7e959f95f09c6b6e7f9e83ece613e4eacf59e3e6 /Documentation | |
| parent | t4216: test changed path filters with high bit paths (diff) | |
| download | git-ea0024deb9faa5474673a3db8f4f98812b48f44d.tar.xz git-ea0024deb9faa5474673a3db8f4f98812b48f44d.zip | |
repo-settings: introduce commitgraph.changedPathsVersion
A subsequent commit will introduce another version of the changed-path
filter in the commit graph file. In order to control which version to
write (and read), a config variable is needed.
Therefore, introduce this config variable. For forwards compatibility,
teach Git to not read commit graphs when the config variable
is set to an unsupported version. Because we teach Git this,
commitgraph.readChangedPaths is now redundant, so deprecate it and
define its behavior in terms of the config variable we introduce.
This commit does not change the behavior of writing (Git writes changed
path filters when explicitly instructed regardless of any config
variable), but a subsequent commit will restrict Git such that it will
only write when commitgraph.changedPathsVersion is a recognized value.
Signed-off-by: Jonathan Tan <jonathantanmy@google.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/config/commitgraph.txt | 26 |
1 files changed, 23 insertions, 3 deletions
diff --git a/Documentation/config/commitgraph.txt b/Documentation/config/commitgraph.txt index 30604e4a4c..e68cdededa 100644 --- a/Documentation/config/commitgraph.txt +++ b/Documentation/config/commitgraph.txt @@ -9,6 +9,26 @@ commitGraph.maxNewFilters:: commit-graph write` (c.f., linkgit:git-commit-graph[1]). commitGraph.readChangedPaths:: - If true, then git will use the changed-path Bloom filters in the - commit-graph file (if it exists, and they are present). Defaults to - true. See linkgit:git-commit-graph[1] for more information. + Deprecated. Equivalent to commitGraph.changedPathsVersion=-1 if true, and + commitGraph.changedPathsVersion=0 if false. (If commitGraph.changedPathVersion + is also set, commitGraph.changedPathsVersion takes precedence.) + +commitGraph.changedPathsVersion:: + Specifies the version of the changed-path Bloom filters that Git will read and + write. May be -1, 0 or 1. Note that values greater than 1 may be + incompatible with older versions of Git which do not yet understand + those versions. Use caution when operating in a mixed-version + environment. ++ +Defaults to -1. ++ +If -1, Git will use the version of the changed-path Bloom filters in the +repository, defaulting to 1 if there are none. ++ +If 0, Git will not read any Bloom filters, and will write version 1 Bloom +filters when instructed to write. ++ +If 1, Git will only read version 1 Bloom filters, and will write version 1 +Bloom filters. ++ +See linkgit:git-commit-graph[1] for more information. |