Merge branch 'ey/commit-graph-changed-paths-config'

A new configuration variable commitGraph.changedPaths allows to
turn "--changed-paths" on by default for "git commit-graph".

* ey/commit-graph-changed-paths-config:
  commit-graph: add new config for changed-paths & recommend it in scalar

1 files changed, 44 insertions, 0 deletions

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