@@ -86,6 +86,11 @@ maintenance.geometric-repack.auto::
 	objects that would be written into a new packfile. The default value is
 	100.
 
+maintenance.geometric-repack.splitFactor::
+	This integer config option controls the factor used for the geometric
+	sequence. See the `--geometric=` option in linkgit:git-repack[1] for
+	more details. Defaults to `2`.
+
 maintenance.reflog-expire.auto::
 	This integer config option controls how often the `reflog-expire` task
 	should be run as part of `git maintenance run --auto`. If zero, then

@@ -1582,6 +1582,9 @@ static int maintenance_task_geometric_repack(struct maintenance_run_opts *opts,
 	struct child_process child = CHILD_PROCESS_INIT;
 	int ret;
 
+	repo_config_get_int(the_repository, "maintenance.geometric-repack.splitFactor",
+			    &geometry.split_factor);
+
 	existing_packs.repo = the_repository;
 	existing_packs_collect(&existing_packs, &kept_packs);
 	pack_geometry_init(&geometry, &existing_packs, &po_args);

@@ -1591,7 +1594,8 @@ static int maintenance_task_geometric_repack(struct maintenance_run_opts *opts,
 
 	strvec_pushl(&child.args, "repack", "-d", "-l", NULL);
 	if (geometry.split < geometry.pack_nr)
-		strvec_push(&child.args, "--geometric=2");
+		strvec_pushf(&child.args, "--geometric=%d",
+			     geometry.split_factor);
 	else
 		add_repack_all_option(cfg, NULL, &child.args);
 	if (opts->quiet)

@@ -1632,6 +1636,9 @@ static int geometric_repack_auto_condition(struct gc_config *cfg UNUSED)
 	if (auto_value < 0)
 		return 1;
 
+	repo_config_get_int(the_repository, "maintenance.geometric-repack.splitFactor",
+			    &geometry.split_factor);
+
 	existing_packs.repo = the_repository;
 	existing_packs_collect(&existing_packs, &kept_packs);
 	pack_geometry_init(&geometry, &existing_packs, &po_args);

@@ -603,6 +603,38 @@ test_expect_success 'geometric repacking with --auto' '
 	)
 '
 
+test_expect_success 'geometric repacking honors configured split factor' '
+	test_when_finished "rm -rf repo" &&
+	git init repo &&
+	(
+		cd repo &&
+		git config set maintenance.auto false &&
+
+		# Create three different packs with 9, 2 and 1 object, respectively.
+		# This is done so that only a subset of packs would be merged
+		# together so that we can verify that `git repack` receives the
+		# correct geometric factor.
+		for i in $(test_seq 9)
+		do
+			echo first-$i | git hash-object -w --stdin -t blob || return 1
+		done &&
+		git repack --geometric=2 -d &&
+
+		for i in $(test_seq 2)
+		do
+			echo second-$i | git hash-object -w --stdin -t blob || return 1
+		done &&
+		git repack --geometric=2 -d &&
+
+		echo third | git hash-object -w --stdin -t blob &&
+		git repack --geometric=2 -d &&
+
+		test_geometric_repack_needed false splitFactor=2 &&
+		test_geometric_repack_needed true splitFactor=3 &&
+		test_subcommand git repack -d -l --geometric=3 --quiet --write-midx <trace2.txt
+	)
+'
+
 test_expect_success 'pack-refs task' '
 	for n in $(test_seq 1 5)
 	do