apply: do not read from beyond a symbolic link

diff --git a/t/t0060-path-utils.sh b/t/t0060-path-utils.sh
index 2bd5e3274549c7a50375e90e58fa5a4dc393491d..07c10c8dca80b9d289431a72d5bf120ca442113d 100755 (executable)
--- a/t/t0060-path-utils.sh
+++ b/t/t0060-path-utils.sh
@@ -190,33 +190,37 @@ test_expect_success SYMLINKS 'real path works on symlinks' '
        test "$sym" = "$(test-path-utils real_path "$dir2/syml")"
 '
 
-relative_path /a/b/c/  /a/b/           c/
-relative_path /a/b/c/  /a/b            c/
-relative_path /a//b//c/        //a/b//         c/      POSIX
-relative_path /a/b     /a/b            ./
-relative_path /a/b/    /a/b            ./
-relative_path /a       /a/b            ../
-relative_path /                /a/b/           ../../
-relative_path /a/c     /a/b/           ../c
-relative_path /a/c     /a/b            ../c
-relative_path /x/y     /a/b/           ../../x/y
-relative_path /a/b     "<empty>"       /a/b
-relative_path /a/b     "<null>"        /a/b
-relative_path a/b/c/   a/b/            c/
-relative_path a/b/c/   a/b             c/
-relative_path a/b//c   a//b            c
-relative_path a/b/     a/b/            ./
-relative_path a/b/     a/b             ./
-relative_path a                a/b             ../
-relative_path x/y      a/b             ../../x/y
-relative_path a/c      a/b             ../c
-relative_path a/b      "<empty>"       a/b
-relative_path a/b      "<null>"        a/b
-relative_path "<empty>"        /a/b            ./
-relative_path "<empty>"        "<empty>"       ./
-relative_path "<empty>"        "<null>"        ./
-relative_path "<null>" "<empty>"       ./
-relative_path "<null>" "<null>"        ./
-relative_path "<null>" /a/b            ./
+relative_path /foo/a/b/c/      /foo/a/b/       c/
+relative_path /foo/a/b/c/      /foo/a/b        c/
+relative_path /foo/a//b//c/    ///foo/a/b//    c/              POSIX
+relative_path /foo/a/b         /foo/a/b        ./
+relative_path /foo/a/b/                /foo/a/b        ./
+relative_path /foo/a           /foo/a/b        ../
+relative_path /                        /foo/a/b/       ../../../
+relative_path /foo/a/c         /foo/a/b/       ../c
+relative_path /foo/a/c         /foo/a/b        ../c
+relative_path /foo/x/y         /foo/a/b/       ../../x/y
+relative_path /foo/a/b         "<empty>"       /foo/a/b
+relative_path /foo/a/b                 "<null>"        /foo/a/b
+relative_path foo/a/b/c/       foo/a/b/        c/
+relative_path foo/a/b/c/       foo/a/b         c/
+relative_path foo/a/b//c       foo/a//b        c
+relative_path foo/a/b/         foo/a/b/        ./
+relative_path foo/a/b/         foo/a/b         ./
+relative_path foo/a            foo/a/b         ../
+relative_path foo/x/y          foo/a/b         ../../x/y
+relative_path foo/a/c          foo/a/b         ../c
+relative_path foo/a/b          /foo/x/y        foo/a/b
+relative_path /foo/a/b         foo/x/y         /foo/a/b
+relative_path d:/a/b           D:/a/c          ../b            MINGW
+relative_path C:/a/b           D:/a/c          C:/a/b          MINGW
+relative_path foo/a/b          "<empty>"       foo/a/b
+relative_path foo/a/b          "<null>"        foo/a/b
+relative_path "<empty>"                /foo/a/b        ./
+relative_path "<empty>"                "<empty>"       ./
+relative_path "<empty>"                "<null>"        ./
+relative_path "<null>"         "<empty>"       ./
+relative_path "<null>"         "<null>"        ./
+relative_path "<null>"         /foo/a/b        ./
 
 test_done