submodule: Fix 'submodule status' when called from a subdirectory

Updated with an improved test.

Manish Goregaokar (1):
submodule: fix 'submodule status' when called from a subdirectory

 builtin/submodule--helper.c |  3 ++-
 t/t7400-submodule-basic.sh  | 22 ++++++++++++++++++++++
 2 files changed, 24 insertions(+), 1 deletion(-)

base-commit: 5fa0f5238b0cd46cfe7f6fa76c3f526ea98148d9
Published-As: https://github.com/gitgitgadget/git/releases/tag/pr-472%2FManishearth%2Fsubdir-status-v3
Fetch-It-Via: git fetch https://github.com/gitgitgadget/git pr-472/Manishearth/subdir-status-v3
Pull-Request: https://github.com/gitgitgadget/git/pull/472

Range-diff vs v2:

1: e4c932bd09 ! 1: 8dcea6b399 submodule: fix 'submodule status' when called from a subdirectory

     @@ -41,18 +41,21 @@
      +	test_when_finished "rmdir addtest/subdir" &&
      +	(
      +		cd addtest &&
     -+		git status > /tmp/foo &&
     -+		git submodule status | awk "{print \$1}" >expected &&
      +		mkdir subdir &&
     ++		git submodule status >output &&
     ++		awk "{print \$1}" <output >expect &&
      +		cd subdir &&
     -+		git submodule status | awk "{print \$1}" >../actual &&
     -+		test_cmp ../expected ../actual &&
     -+		git -C ../submod checkout @^ &&
     -+		git submodule status | awk "{print \$1}" >../actual2 &&
     ++		git submodule status >../output &&
     ++		awk "{print \$1}" <../output >../actual &&
     ++		test_cmp ../expect ../actual &&
     ++		git -C ../submod checkout HEAD^ &&
     ++		git submodule status >../output &&
     ++		awk "{print \$1}" <../output >../actual2 &&
      +		cd .. &&
     -+		git submodule status | awk "{print \$1}" >expected2 &&
     -+		test_cmp actual2 expected2 &&
     -+		test_must_fail test_cmp actual actual2
     ++		git submodule status >output &&
     ++		awk "{print \$1}" <output >expect2 &&
     ++		test_cmp actual2 expect2 &&
     ++		! test_cmp actual actual2
      +	)
      +'
      +

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