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-rw-r--r--Documentation/config/commitgraph.adoc11
-rw-r--r--Documentation/git-commit-graph.adoc2
-rw-r--r--builtin/commit-graph.c2
-rw-r--r--scalar.c1
-rwxr-xr-xt/t5318-commit-graph.sh44
5 files changed, 59 insertions, 1 deletions
diff --git a/Documentation/config/commitgraph.adoc b/Documentation/config/commitgraph.adoc
index 7f8c9d6638..70a56c53d2 100644
--- a/Documentation/config/commitgraph.adoc
+++ b/Documentation/config/commitgraph.adoc
@@ -8,6 +8,17 @@ commitGraph.maxNewFilters::
Specifies the default value for the `--max-new-filters` option of `git
commit-graph write` (c.f., linkgit:git-commit-graph[1]).
+commitGraph.changedPaths::
+ If true, then `git commit-graph write` will compute and write
+ changed-path Bloom filters by default, equivalent to passing
+ `--changed-paths`. If false or unset, changed-paths Bloom filters will
+ be written during `git commit-graph write` only if the filters already
+ exist in the current commit-graph file. This matches the default
+ behavior of `git commit-graph write` without any `--[no-]changed-paths`
+ option. To rewrite a commit-graph file without any filters, use the
+ `--no-changed-paths` option. Command-line option `--[no-]changed-paths`
+ always takes precedence over this configuration. Defaults to unset.
+
commitGraph.readChangedPaths::
Deprecated. Equivalent to commitGraph.changedPathsVersion=-1 if true, and
commitGraph.changedPathsVersion=0 if false. (If commitGraph.changedPathVersion
diff --git a/Documentation/git-commit-graph.adoc b/Documentation/git-commit-graph.adoc
index e9558173c0..6d19026035 100644
--- a/Documentation/git-commit-graph.adoc
+++ b/Documentation/git-commit-graph.adoc
@@ -71,7 +71,7 @@ take a while on large repositories. It provides significant performance gains
for getting history of a directory or a file with `git log -- <path>`. If
this option is given, future commit-graph writes will automatically assume
that this option was intended. Use `--no-changed-paths` to stop storing this
-data.
+data. `--changed-paths` is implied by config `commitGraph.changedPaths=true`.
+
With the `--max-new-filters=<n>` option, generate at most `n` new Bloom
filters (if `--changed-paths` is specified). If `n` is `-1`, no limit is
diff --git a/builtin/commit-graph.c b/builtin/commit-graph.c
index fe3ebaadad..d62005edc0 100644
--- a/builtin/commit-graph.c
+++ b/builtin/commit-graph.c
@@ -210,6 +210,8 @@ static int git_commit_graph_write_config(const char *var, const char *value,
{
if (!strcmp(var, "commitgraph.maxnewfilters"))
write_opts.max_new_filters = git_config_int(var, value, ctx->kvi);
+ else if (!strcmp(var, "commitgraph.changedpaths"))
+ opts.enable_changed_paths = git_config_bool(var, value) ? 1 : -1;
/*
* No need to fall-back to 'git_default_config', since this was already
* called in 'cmd_commit_graph()'.
diff --git a/scalar.c b/scalar.c
index 4a373c133d..f754311627 100644
--- a/scalar.c
+++ b/scalar.c
@@ -166,6 +166,7 @@ static int set_recommended_config(int reconfigure)
#endif
/* Optional */
{ "status.aheadBehind", "false" },
+ { "commitGraph.changedPaths", "true" },
{ "commitGraph.generationVersion", "1" },
{ "core.autoCRLF", "false" },
{ "core.safeCRLF", "false" },
diff --git a/t/t5318-commit-graph.sh b/t/t5318-commit-graph.sh
index 0b3404f58f..98c6910963 100755
--- a/t/t5318-commit-graph.sh
+++ b/t/t5318-commit-graph.sh
@@ -946,4 +946,48 @@ test_expect_success 'stale commit cannot be parsed when traversing graph' '
)
'
+test_expect_success 'config commitGraph.changedPaths acts like --changed-paths' '
+ git init config-changed-paths &&
+ (
+ cd config-changed-paths &&
+
+ # commitGraph.changedPaths is not set and it should not write Bloom filters
+ test_commit first &&
+ GIT_PROGRESS_DELAY=0 git commit-graph write --reachable --progress 2>error &&
+ test_grep ! "Bloom filters" error &&
+
+ # Set commitGraph.changedPaths to true and it should write Bloom filters
+ test_commit second &&
+ git config commitGraph.changedPaths true &&
+ GIT_PROGRESS_DELAY=0 git commit-graph write --reachable --progress 2>error &&
+ test_grep "Bloom filters" error &&
+
+ # Add one more config commitGraph.changedPaths as false to disable the previous true config value
+ # It should still write Bloom filters due to existing filters
+ test_commit third &&
+ git config --add commitGraph.changedPaths false &&
+ GIT_PROGRESS_DELAY=0 git commit-graph write --reachable --progress 2>error &&
+ test_grep "Bloom filters" error &&
+
+ # commitGraph.changedPaths is still false and command line options should take precedence
+ test_commit fourth &&
+ GIT_PROGRESS_DELAY=0 git commit-graph write --no-changed-paths --reachable --progress 2>error &&
+ test_grep ! "Bloom filters" error &&
+ GIT_PROGRESS_DELAY=0 git commit-graph write --reachable --progress 2>error &&
+ test_grep ! "Bloom filters" error &&
+
+ # commitGraph.changedPaths is all cleared and then set to false again, command line options should take precedence
+ test_commit fifth &&
+ git config --unset-all commitGraph.changedPaths &&
+ git config commitGraph.changedPaths false &&
+ GIT_PROGRESS_DELAY=0 git commit-graph write --changed-paths --reachable --progress 2>error &&
+ test_grep "Bloom filters" error &&
+
+ # commitGraph.changedPaths is still false and it should write Bloom filters due to existing filters
+ test_commit sixth &&
+ GIT_PROGRESS_DELAY=0 git commit-graph write --reachable --progress 2>error &&
+ test_grep "Bloom filters" error
+ )
+'
+
test_done