[PATCH 8/8] submodule.c: correctly handle nested submodules in is_submodule_modified

[Stefan Beller <sbeller@google.com>]

Signed-off-by: Stefan Beller <sbeller@google.com>
---
 submodule.c                 | 16 ++++++++++++++--
 t/t3600-rm.sh               |  2 +-
 t/t7506-status-submodule.sh |  2 +-
 3 files changed, 16 insertions(+), 4 deletions(-)

diff --git a/submodule.c b/submodule.c
index e06e52b993..0f477f3a4e 100644
--- a/submodule.c
+++ b/submodule.c
@@ -1075,8 +1075,20 @@ unsigned is_submodule_modified(const char *path, int ignore_untracked)
 		/* regular untracked files */
 		if (buf.buf[0] == '?')
 			dirty_submodule |= DIRTY_SUBMODULE_UNTRACKED;
-		else
-			dirty_submodule |= DIRTY_SUBMODULE_MODIFIED;
+
+		/* regular unmerged and renamed files */
+		if (buf.buf[0] == 'u' ||
+		    buf.buf[0] == '1' ||
+		    buf.buf[0] == '2') {
+			if (buf.buf[5] == 'S') {
+				/* nested submodule handling */
+				if (buf.buf[6] == 'C' || buf.buf[7] == 'M')
+					dirty_submodule |= DIRTY_SUBMODULE_MODIFIED;
+				if (buf.buf[8] == 'U')
+					dirty_submodule |= DIRTY_SUBMODULE_UNTRACKED;
+			} else
+				dirty_submodule |= DIRTY_SUBMODULE_MODIFIED;
+		}
 
 		if ((dirty_submodule & DIRTY_SUBMODULE_MODIFIED) &&
 		    ((dirty_submodule & DIRTY_SUBMODULE_UNTRACKED) || ignore_untracked))
diff --git a/t/t3600-rm.sh b/t/t3600-rm.sh
index a6e5c5bd56..b58793448b 100755
--- a/t/t3600-rm.sh
+++ b/t/t3600-rm.sh
@@ -659,7 +659,7 @@ test_expect_success 'rm of a populated nested submodule with nested untracked fi
 	test -d submod &&
 	test -f submod/.git &&
 	git status -s -uno --ignore-submodules=none >actual &&
-	test_cmp expect.modified_inside actual &&
+	test_cmp expect.modified_untracked actual &&
 	git rm -f submod &&
 	test ! -d submod &&
 	git status -s -uno --ignore-submodules=none >actual &&
diff --git a/t/t7506-status-submodule.sh b/t/t7506-status-submodule.sh
index ad46384064..e3cdcede72 100755
--- a/t/t7506-status-submodule.sh
+++ b/t/t7506-status-submodule.sh
@@ -324,7 +324,7 @@ test_expect_success 'status with untracked file in nested submodule (porcelain)'
 test_expect_success 'status with untracked file in nested submodule (short)' '
 	git -C super status --short >output &&
 	diff output - <<-\EOF
-	 m sub1
+	 ? sub1
 	EOF
 '
 
-- 
2.12.1.438.gb674c4c09c