From 7266ec08ff669719b69fe432ae3fbf597d5674f2 Mon Sep 17 00:00:00 2001
From: "W. Trevor King" <wking@tremily.us>
Date: Fri, 23 Nov 2012 10:47:43 -0500
Subject: [PATCH] git-submodule init: Record submodule.<name>.branch in
 repository config.

This allows users to override the .gitmodules value with a
per-repository value.

Signed-off-by: W. Trevor King <wking@tremily.us>
---
 Documentation/config.txt   |  9 +++++----
 git-submodule.sh           |  7 +++++++
 t/t7400-submodule-basic.sh | 18 ++++++++++++++++++
 3 files changed, 30 insertions(+), 4 deletions(-)

diff --git a/Documentation/config.txt b/Documentation/config.txt
index 11f320b96..a42741150 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1994,10 +1994,11 @@ status.submodulesummary::
 submodule.<name>.path::
 submodule.<name>.url::
 submodule.<name>.update::
-	The path within this project, URL, and the updating strategy
-	for a submodule.  These variables are initially populated
-	by 'git submodule init'; edit them to override the
-	URL and other values found in the `.gitmodules` file.  See
+submodule.<name>.branch::
+	The path within this project, URL, the updating strategy, and the
+	upstream branch name for a submodule.  These variables are initially
+	populated by 'git submodule init'; edit them to override the URL and
+	other values found in the `.gitmodules` file.  See
 	linkgit:git-submodule[1] and linkgit:gitmodules[5] for details.
 
 submodule.<name>.fetchRecurseSubmodules::
diff --git a/git-submodule.sh b/git-submodule.sh
index 3a1954035..3c3bb3f0e 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -505,6 +505,13 @@ cmd_init()
 		test -n "$(git config submodule."$name".update)" ||
 		git config submodule."$name".update "$upd" ||
 		die "$(eval_gettext "Failed to register update mode for submodule path '\$sm_path'")"
+
+		# Copy "branch" setting when it is not set yet
+		branch="$(git config -f .gitmodules submodule."$name".branch)"
+		test -z "$branch" ||
+		test -n "$(git config submodule."$name".branch)" ||
+		git config submodule."$name".branch "$branch" ||
+		die "$(eval_gettext "Failed to register branch for submodule path '\$sm_path'")"
 	done
 }
 
diff --git a/t/t7400-submodule-basic.sh b/t/t7400-submodule-basic.sh
index 829d37785..f1160ebc9 100755
--- a/t/t7400-submodule-basic.sh
+++ b/t/t7400-submodule-basic.sh
@@ -236,6 +236,24 @@ test_expect_success 'submodule add --follow-branch=<name> --branch' '
 	)
 '
 
+test_expect_success 'init should register submodule branch in .git/config' '
+	(
+		cd addtest &&
+		git submodule init &&
+		test "$(git config submodule.submod-follow.branch)" = "final"
+	)
+'
+
+test_expect_success 'local config should override .gitmodules branch' '
+	(
+		cd addtest &&
+		rm -fr submod-follow &&
+		git config submodule.submod-follow.branch initial
+		git submodule init &&
+		test "$(git config submodule.submod-follow.branch)" = "initial"
+	)
+'
+
 test_expect_success 'setup - add an example entry to .gitmodules' '
 	GIT_CONFIG=.gitmodules \
 	git config submodule.example.url git://example.com/init.git
-- 
2.26.2