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-rwxr-xr-xt/t6405-merge-symlinks.sh66
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diff --git a/t/t6405-merge-symlinks.sh b/t/t6405-merge-symlinks.sh
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+#!/bin/sh
+#
+# Copyright (c) 2007 Johannes Sixt
+#
+
+test_description='merging symlinks on filesystem w/o symlink support.
+
+This tests that git merge-recursive writes merge results as plain files
+if core.symlinks is false.'
+
+GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
+export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
+
+TEST_PASSES_SANITIZE_LEAK=true
+. ./test-lib.sh
+
+test_expect_success 'setup' '
+ git config core.symlinks false &&
+ >file &&
+ git add file &&
+ git commit -m initial &&
+ git branch b-symlink &&
+ git branch b-file &&
+ l=$(printf file | git hash-object -t blob -w --stdin) &&
+ echo "120000 $l symlink" | git update-index --index-info &&
+ git commit -m main &&
+ git checkout b-symlink &&
+ l=$(printf file-different | git hash-object -t blob -w --stdin) &&
+ echo "120000 $l symlink" | git update-index --index-info &&
+ git commit -m b-symlink &&
+ git checkout b-file &&
+ echo plain-file >symlink &&
+ git add symlink &&
+ git commit -m b-file
+'
+
+test_expect_success 'merge main into b-symlink, which has a different symbolic link' '
+ git checkout b-symlink &&
+ test_must_fail git merge main
+'
+
+test_expect_success 'the merge result must be a file' '
+ test_path_is_file symlink
+'
+
+test_expect_success 'merge main into b-file, which has a file instead of a symbolic link' '
+ git reset --hard &&
+ git checkout b-file &&
+ test_must_fail git merge main
+'
+
+test_expect_success 'the merge result must be a file' '
+ test_path_is_file symlink
+'
+
+test_expect_success 'merge b-file, which has a file instead of a symbolic link, into main' '
+ git reset --hard &&
+ git checkout main &&
+ test_must_fail git merge b-file
+'
+
+test_expect_success 'the merge result must be a file' '
+ test_path_is_file symlink
+'
+
+test_done