config: pass repo to git_config_get_max_percent_split_change()

Refactor `git_config_get_max_percent_split_change()` to accept a `struct
repository` such that we can get rid of the implicit dependency on
`the_repository`. Rename the function accordingly.

Signed-off-by: Patrick Steinhardt <[email protected]>
Signed-off-by: Junio C Hamano <[email protected]>

Author: pks-t

config.c

@@ -2811,11 +2811,11 @@ int repo_config_get_split_index(struct repository *r)
 	return -1; /* default value */
 }
 
-int git_config_get_max_percent_split_change(void)
+int repo_config_get_max_percent_split_change(struct repository *r)
 {
 	int val = -1;
 
-	if (!git_config_get_int("splitindex.maxpercentchange", &val)) {
+	if (!repo_config_get_int(r, "splitindex.maxpercentchange", &val)) {
 		if (0 <= val && val <= 100)
 			return val;
 

config.h

@@ -712,7 +712,7 @@ int git_config_get_pathname(const char *key, char **dest);
 
 int repo_config_get_index_threads(struct repository *r, int *dest);
 int repo_config_get_split_index(struct repository *r);
-int git_config_get_max_percent_split_change(void);
+int repo_config_get_max_percent_split_change(struct repository *r);
 
 /* This dies if the configured or default date is in the future */
 int git_config_get_expiry(const char *key, const char **output);

read-cache.c

@@ -3275,7 +3275,7 @@ static const int default_max_percent_split_change = 20;
 static int too_many_not_shared_entries(struct index_state *istate)
 {
 	int i, not_shared = 0;
-	int max_split = git_config_get_max_percent_split_change();
+	int max_split = repo_config_get_max_percent_split_change(the_repository);
 
 	switch (max_split) {
 	case -1: