1 files changed, 42 insertions, 0 deletions

diff --git a/src/transaction.c b/src/transaction.c
index e8331891c..e9639bf97 100644
--- a/src/transaction.c
+++ b/src/transaction.c
@@ -12,6 +12,7 @@
 #include "pool.h"
 #include "reflog.h"
 #include "signature.h"
+#include "config.h"
 
 #include "git2/transaction.h"
 #include "git2/signature.h"
@@ -20,6 +21,12 @@
 
 GIT__USE_STRMAP
 
+typedef enum {
+	TRANSACTION_NONE,
+	TRANSACTION_REFS,
+	TRANSACTION_CONFIG,
+} transaction_t;
+
 typedef struct {
 	const char *name;
 	void *payload;
@@ -39,13 +46,29 @@ typedef struct {
 } transaction_node;
 
 struct git_transaction {
+	transaction_t type;
 	git_repository *repo;
 	git_refdb *db;
+	git_config *cfg;
 
 	git_strmap *locks;
 	git_pool pool;
 };
 
+int git_transaction_config_new(git_transaction **out, git_config *cfg)
+{
+	git_transaction *tx;
+	assert(out && cfg);
+
+	tx = git__calloc(1, sizeof(git_transaction));
+	GITERR_CHECK_ALLOC(tx);
+
+	tx->type = TRANSACTION_CONFIG;
+	tx->cfg = cfg;
+	*out = tx;
+	return 0;
+}
+
 int git_transaction_new(git_transaction **out, git_repository *repo)
 {
 	int error;
@@ -71,6 +94,7 @@ int git_transaction_new(git_transaction **out, git_repository *repo)
 	if ((error = git_repository_refdb(&tx->db, repo)) < 0)
 		goto on_error;
 
+	tx->type = TRANSACTION_REFS;
 	memcpy(&tx->pool, &pool, sizeof(git_pool));
 	tx->repo = repo;
 	*out = tx;
@@ -305,6 +329,14 @@ int git_transaction_commit(git_transaction *tx)
 
 	assert(tx);
 
+	if (tx->type == TRANSACTION_CONFIG) {
+		error = git_config_unlock(tx->cfg, true);
+		git_config_free(tx->cfg);
+		tx->cfg = NULL;
+
+		return error;
+	}
+
 	for (pos = kh_begin(tx->locks); pos < kh_end(tx->locks); pos++) {
 		if (!git_strmap_has_data(tx->locks, pos))
 			continue;
@@ -332,6 +364,16 @@ void git_transaction_free(git_transaction *tx)
 
 	assert(tx);
 
+	if (tx->type == TRANSACTION_CONFIG) {
+		if (tx->cfg) {
+			git_config_unlock(tx->cfg, false);
+			git_config_free(tx->cfg);
+		}
+
+		git__free(tx);
+		return;
+	}
+
 	/* start by unlocking the ones we've left hanging, if any */
 	for (pos = kh_begin(tx->locks); pos < kh_end(tx->locks); pos++) {
 		if (!git_strmap_has_data(tx->locks, pos))