[PATCH] Use '-f' option to point to the .gitmodules file

[imyousuf@xxxxxxxxx]

From: Imran M Yousuf <imyousuf@xxxxxxxxxxxxxxxxxxxxxx>

'git config' has a '-f' option that takes the file to parse.
Using it rather than the environment variable seems more logical
and simplified.

Signed-off-by: Imran M Yousuf <imyousuf@xxxxxxxxxxxxxxxxxxxxxx>
---
 git-submodule.sh |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)

diff --git a/git-submodule.sh b/git-submodule.sh
index 67f7a28..b4b7d28 100755
--- a/git-submodule.sh
+++ b/git-submodule.sh
@@ -74,8 +74,7 @@ module_name()
 {
 	# Do we have "submodule.<something>.path = $1" defined in .gitmodules file?
 	re=$(printf '%s' "$1" | sed -e 's/[].[^$\\*]/\\&/g')
-	name=$( GIT_CONFIG=.gitmodules \
-		git config --get-regexp '^submodule\..*\.path$' |
+	name=$( git config -f .gitmodules --get-regexp '^submodule\..*\.path$' |
 		sed -n -e 's|^submodule\.\(.*\)\.path '"$re"'$|\1|p' )
        test -z "$name" &&
        die "No submodule mapping found in .gitmodules for path '$path'"
@@ -198,8 +197,8 @@ cmd_add()
 	git add "$path" ||
 	die "Failed to add submodule '$path'"
 
-	GIT_CONFIG=.gitmodules git config submodule."$path".path "$path" &&
-	GIT_CONFIG=.gitmodules git config submodule."$path".url "$repo" &&
+	git config -f .gitmodules submodule."$path".path "$path" &&
+	git config -f .gitmodules submodule."$path".url "$repo" &&
 	git add .gitmodules ||
 	die "Failed to register submodule '$path'"
 }
@@ -240,7 +239,7 @@ cmd_init()
 		url=$(git config submodule."$name".url)
 		test -z "$url" || continue
 
-		url=$(GIT_CONFIG=.gitmodules git config submodule."$name".url)
+		url=$(git config -f .gitmodules submodule."$name".url)
 		test -z "$url" &&
 		die "No url found for submodule path '$path' in .gitmodules"
 
-- 
1.5.4.2

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