It checks if 'stash pop' does not trigger merge conflics
in submodules.
---
 t/t3903-stash.sh | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)

diff --git a/t/t3903-stash.sh b/t/t3903-stash.sh
index 2142c1f..e48a5b5 100755
--- a/t/t3903-stash.sh
+++ b/t/t3903-stash.sh
@@ -731,4 +731,39 @@ test_expect_success 'stash list --cc shows combined diff' '
        test_cmp expect actual
 '
 
+test_expect_success 'stash ignores changes in submodules' '
+       git submodule init &&
+       git init sub1 &&
+       (
+               cd sub1 &&
+               echo "x" > file1 &&
+               git add file1 &&
+               git commit -a -m "initial sub1"
+       ) &&
+       git submodule add ./. sub1 &&
+       echo "main" > file1 &&
+       git add file1 &&
+       git commit -a -m "initial main" &&
+       # make changes in submodule
+       (
+               cd sub1 &&
+               echo "y" >> file1 &&
+               git commit -a -m "change y"
+       ) &&
+       git commit sub1 -m "update reference" &&
+       # switch submodule to another revision
+       (
+               cd sub1 &&
+               echo "z" >> file1 &&
+               git commit -a -m "change z"
+       ) &&
+       # everything is prepared, check if changes in submodules are ignored
+       echo "local change" >> file1 &&
+       git stash save &&
+       git checkout HEAD~1 &&
+       git submodule update &&
+       git stash pop
+'
+
+
 test_done
-- 
2.1.4

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