add tests for cloning corrupted repositories

diff --git a/t/t1020-subdirectory.sh b/t/t1020-subdirectory.sh
index f6a44c9ee07329c8909662d2a807acf0dd6a8e43..1e2945ec7e397cf6b2e3b00bee0ca1df40a0e6a9 100755 (executable)
--- a/t/t1020-subdirectory.sh
+++ b/t/t1020-subdirectory.sh
@@ -17,8 +17,6 @@ test_expect_success setup '
        cp one original.one &&
        cp dir/two original.two
 '
-LF='
-'
 
 test_expect_success 'update-index and ls-files' '
        git update-index --add one &&
@@ -113,19 +111,19 @@ test_expect_success 'read-tree' '
 
 test_expect_success 'alias expansion' '
        (
-               git config alias.ss status &&
+               git config alias.test-status-alias status &&
                cd dir &&
                git status &&
-               git ss
+               git test-status-alias
        )
 '
 
-test_expect_success '!alias expansion' '
+test_expect_success NOT_MINGW '!alias expansion' '
        pwd >expect &&
        (
-               git config alias.test !pwd &&
+               git config alias.test-alias-directory !pwd &&
                cd dir &&
-               git test >../actual
+               git test-alias-directory >../actual
        ) &&
        test_cmp expect actual
 '
@@ -133,9 +131,25 @@ test_expect_success '!alias expansion' '
 test_expect_success 'GIT_PREFIX for !alias' '
        printf "dir/" >expect &&
        (
-               git config alias.test "!sh -c \"printf \$GIT_PREFIX\"" &&
+               git config alias.test-alias-directory "!sh -c \"printf \$GIT_PREFIX\"" &&
+               cd dir &&
+               git test-alias-directory >../actual
+       ) &&
+       test_cmp expect actual
+'
+
+test_expect_success 'GIT_PREFIX for built-ins' '
+       # Use GIT_EXTERNAL_DIFF to test that the "diff" built-in
+       # receives the GIT_PREFIX variable.
+       printf "dir/" >expect &&
+       printf "#!/bin/sh\n" >diff &&
+       printf "printf \"\$GIT_PREFIX\"" >>diff &&
+       chmod +x diff &&
+       (
                cd dir &&
-               git test >../actual
+               printf "change" >two &&
+               env GIT_EXTERNAL_DIFF=./diff git diff >../actual
+               git checkout -- two
        ) &&
        test_cmp expect actual
 '