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[PATCH v7 7/9] environment: move push_default into repo_config_values

From: Tian Yuchen <hidden>
Date: 2026-07-06 14:26:24
Subsystem: the rest · Maintainer: Linus Torvalds

The global variable 'push_default' specifies the default behavior of
'git push' when no explicit refspec is provided. Move 'push_default'
into 'struct repo_config_values' to continue the libification effort.

While 'enum push_default_type' ideally belongs in 'remote.h', moving it
there introduces a circular dependency chain:

  remote.h -> hash.h -> repository.h -> environment.h.

Therefore, the enum definition is kept in 'environment.h' just above
'struct repo_config_values' with a NEEDSWORK comment for future cleanup.

Modify the configuration parsing in environment.c to update the
per-repository structure directly, and update caller across the
codebase to access the value via 'repo_config_values()'.

Mentored-by: Christian Couder [off-list ref]
Mentored-by: Ayush Chandekar [off-list ref]
Mentored-by: Olamide Caleb Bello [off-list ref]
Signed-off-by: Tian Yuchen <redacted>
---
 builtin/push.c |  8 ++++----
 environment.c  | 16 +++++++++-------
 environment.h  | 26 ++++++++++++++++----------
 remote.c       |  2 +-
 4 files changed, 30 insertions(+), 22 deletions(-)
diff --git a/builtin/push.c b/builtin/push.c
index 6021b71d66..6dc3224b60 100644
--- a/builtin/push.c
+++ b/builtin/push.c
@@ -88,7 +88,7 @@ static void refspec_append_mapped(struct refspec *refspec, const char *ref,
 		}
 	}
 
-	if (push_default == PUSH_DEFAULT_UPSTREAM &&
+	if (repo_config_values(the_repository)->push_default == PUSH_DEFAULT_UPSTREAM &&
 	    skip_prefix(matched->name, "refs/heads/", &branch_name)) {
 		struct branch *branch = branch_get(branch_name);
 		if (branch->merge_nr == 1 && branch->merge[0]->src) {
@@ -160,7 +160,7 @@ static NORETURN void die_push_simple(struct branch *branch,
 	 * Don't show advice for people who explicitly set
 	 * push.default.
 	 */
-	if (push_default == PUSH_DEFAULT_UNSPECIFIED)
+	if (cfg->push_default == PUSH_DEFAULT_UNSPECIFIED)
 		advice_pushdefault_maybe = _("\n"
 				 "To choose either option permanently, "
 				 "see push.default in 'git help config'.\n");
@@ -232,7 +232,7 @@ static void setup_default_push_refspecs(int *flags, struct remote *remote)
 	const char *dst;
 	int same_remote;
 
-	switch (push_default) {
+	switch (repo_config_values(the_repository)->push_default) {
 	case PUSH_DEFAULT_MATCHING:
 		refspec_append(&rs, ":");
 		return;
@@ -252,7 +252,7 @@ static void setup_default_push_refspecs(int *flags, struct remote *remote)
 	dst = branch->refname;
 	same_remote = !strcmp(remote->name, remote_for_branch(branch, NULL));
 
-	switch (push_default) {
+	switch (repo_config_values(the_repository)->push_default) {
 	default:
 	case PUSH_DEFAULT_UNSPECIFIED:
 	case PUSH_DEFAULT_SIMPLE:
diff --git a/environment.c b/environment.c
index 8744790219..09de2fee87 100644
--- a/environment.c
+++ b/environment.c
@@ -59,7 +59,6 @@ enum eol core_eol = EOL_UNSET;
 int global_conv_flags_eol = CONV_EOL_RNDTRP_WARN;
 char *check_roundtrip_encoding;
 enum rebase_setup_type autorebase = AUTOREBASE_NEVER;
-enum push_default_type push_default = PUSH_DEFAULT_UNSPECIFIED;
 #ifndef OBJECT_CREATION_MODE
 #define OBJECT_CREATION_MODE OBJECT_CREATION_USES_HARDLINKS
 #endif
@@ -619,21 +618,23 @@ static int git_default_branch_config(const char *var, const char *value)
 
 static int git_default_push_config(const char *var, const char *value)
 {
+	struct repo_config_values *cfg = repo_config_values(the_repository);
+
 	if (!strcmp(var, "push.default")) {
 		if (!value)
 			return config_error_nonbool(var);
 		else if (!strcmp(value, "nothing"))
-			push_default = PUSH_DEFAULT_NOTHING;
+			cfg->push_default = PUSH_DEFAULT_NOTHING;
 		else if (!strcmp(value, "matching"))
-			push_default = PUSH_DEFAULT_MATCHING;
+			cfg->push_default = PUSH_DEFAULT_MATCHING;
 		else if (!strcmp(value, "simple"))
-			push_default = PUSH_DEFAULT_SIMPLE;
+			cfg->push_default = PUSH_DEFAULT_SIMPLE;
 		else if (!strcmp(value, "upstream"))
-			push_default = PUSH_DEFAULT_UPSTREAM;
+			cfg->push_default = PUSH_DEFAULT_UPSTREAM;
 		else if (!strcmp(value, "tracking")) /* deprecated */
-			push_default = PUSH_DEFAULT_UPSTREAM;
+			cfg->push_default = PUSH_DEFAULT_UPSTREAM;
 		else if (!strcmp(value, "current"))
-			push_default = PUSH_DEFAULT_CURRENT;
+			cfg->push_default = PUSH_DEFAULT_CURRENT;
 		else {
 			error(_("malformed value for %s: %s"), var, value);
 			return error(_("must be one of nothing, matching, simple, "
@@ -725,6 +726,7 @@ void repo_config_values_init(struct repo_config_values *cfg)
 	cfg->askpass_program = NULL;
 	cfg->apply_default_whitespace = NULL;
 	cfg->apply_default_ignorewhitespace = NULL;
+	cfg->push_default = PUSH_DEFAULT_UNSPECIFIED;
 	cfg->apply_sparse_checkout = 0;
 	cfg->branch_track = BRANCH_TRACK_REMOTE;
 	cfg->trust_ctime = 1;
diff --git a/environment.h b/environment.h
index 9aecd64152..72859b5d76 100644
--- a/environment.h
+++ b/environment.h
@@ -87,6 +87,21 @@ extern const char * const local_repo_env[];
 struct strvec;
 
 struct repository;
+
+/*
+ * NEEDSWORK: It would be better if these definitions could be moved to
+ * other more specific files, but care is needed to avoid circular
+ * inclusion issues.
+ */
+enum push_default_type {
+	PUSH_DEFAULT_NOTHING = 0,
+	PUSH_DEFAULT_MATCHING,
+	PUSH_DEFAULT_SIMPLE,
+	PUSH_DEFAULT_UPSTREAM,
+	PUSH_DEFAULT_CURRENT,
+	PUSH_DEFAULT_UNSPECIFIED
+};
+
 struct repo_config_values {
 	/* section "core" config values */
 	char *attributes_file;
@@ -96,6 +111,7 @@ struct repo_config_values {
 	char *askpass_program;
 	char *apply_default_whitespace;
 	char *apply_default_ignorewhitespace;
+	enum push_default_type push_default;
 	int apply_sparse_checkout;
 	int trust_ctime;
 	int check_stat;
@@ -197,16 +213,6 @@ enum rebase_setup_type {
 };
 extern enum rebase_setup_type autorebase;
 
-enum push_default_type {
-	PUSH_DEFAULT_NOTHING = 0,
-	PUSH_DEFAULT_MATCHING,
-	PUSH_DEFAULT_SIMPLE,
-	PUSH_DEFAULT_UPSTREAM,
-	PUSH_DEFAULT_CURRENT,
-	PUSH_DEFAULT_UNSPECIFIED
-};
-extern enum push_default_type push_default;
-
 enum object_creation_mode {
 	OBJECT_CREATION_USES_HARDLINKS = 0,
 	OBJECT_CREATION_USES_RENAMES = 1
diff --git a/remote.c b/remote.c
index 00723b385e..d48c01d375 100644
--- a/remote.c
+++ b/remote.c
@@ -1933,7 +1933,7 @@ static char *branch_get_push_1(struct repository *repo,
 	if (remote->mirror)
 		return tracking_for_push_dest(remote, branch->refname, err);
 
-	switch (push_default) {
+	switch (repo_config_values(repo)->push_default) {
 	case PUSH_DEFAULT_NOTHING:
 		return error_buf(err, _("push has no destination (push.default is 'nothing')"));
 
-- 
2.43.0
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