checkout: Add test for diff.ignoreSubmodules

While at it, document that checkout uses this flag too in the Documentation.

Signed-off-by: Jens Lehmann <Jens.Lehmann@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/Documentation/config.txt b/Documentation/config.txt
index cf5562192d183911e93c998dc36a13b09764ec93..01b7e0ae6c408ff03da177050d6ad3e3e0757af2 100644 (file)
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -829,7 +829,8 @@ diff.renames::
 diff.ignoreSubmodules::
        Sets the default value of --ignore-submodules. Note that this
        affects only 'git diff' Porcelain, and not lower level 'diff'
-       commands such as 'git diff-files'.
+       commands such as 'git diff-files'. 'git checkout' also honors
+       this setting when reporting uncommitted changes.
 
 diff.suppressBlankEmpty::
        A boolean to inhibit the standard behavior of printing a space

diff --git a/t/t2013-checkout-submodule.sh b/t/t2013-checkout-submodule.sh
index fda3f0af7eb0fcaf7d0d61ff10a22e2dedaa416b..3beb0b3ed7bb62ce004979ffc8910ef3b992a0a3 100755 (executable)
--- a/t/t2013-checkout-submodule.sh
+++ b/t/t2013-checkout-submodule.sh
@@ -39,4 +39,11 @@ test_expect_success '"checkout <submodule>" updates the index only' '
        git diff-files --quiet
 '
 
+test_expect_success '"checkout <submodule>" honors diff.ignoreSubmodules' '
+       git config diff.ignoreSubmodules dirty &&
+       echo x> submodule/untracked &&
+       git checkout HEAD >actual 2>&1 &&
+       ! test -s actual
+'
+
 test_done