From: W. Trevor King <wking@tremily.us>
Date: Fri, 30 Nov 2012 16:52:36 +0000 (-0500)
Subject: submodule: add get_submodule_config helper funtion
X-Git-Url: http://git.tremily.us/?a=commitdiff_plain;h=d4612d94aeb0e40042169e9beb2b60a04bdebb00;p=git.git

submodule: add get_submodule_config helper funtion
---

diff --git a/git-submodule.sh b/git-submodule.sh
index ab6b1107b..97ce5e408 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -151,6 +151,33 @@ die_if_unmatched ()
 	fi
 }
 
+#
+# Print a submodule configuration setting
+#
+# $1 = submodule name
+# $2 = option name
+# $3 = default value
+#
+# Checks in the usual git-config places first (for overrides),
+# otherwise it falls back on .gitmodules.  This allows you to
+# distribute project-wide defaults in .gitmodules, while still
+# customizing individual repositories if necessary.  If the option is
+# not in .gitmodules either, print a default value.
+#
+get_submodule_config()
+{
+	name="$1"
+	option="$2"
+	default="$3"
+	value=$(git config submodule."$name"."$option")
+	if test -z "$value"
+	then
+		value=$(git config -f .gitmodules submodule."$name"."$option")
+	fi
+	printf '%s' "${value:-$default}"
+}
+
+
 #
 # Map submodule path to submodule name
 #