define a structure for object IDs

diff --git a/t/t4008-diff-break-rewrite.sh b/t/t4008-diff-break-rewrite.sh
index 73b4a24f5ef676b8fa9fb3dc83183437710853c3..89204648965b2b6b7d7984e3398b3ef21a8d7c7e 100755 (executable)
--- a/t/t4008-diff-break-rewrite.sh
+++ b/t/t4008-diff-break-rewrite.sh
@@ -99,11 +99,11 @@ test_expect_success \
     'validate result of -B -M (#4)' \
     'compare_diff_raw expected current'
 
-test_expect_success SYMLINKS \
+test_expect_success \
     'make file0 into something completely different' \
     'rm -f file0 &&
-     ln -s frotz file0 &&
-     git update-index file0 file1'
+     test_ln_s_add frotz file0 &&
+     git update-index file1'
 
 test_expect_success \
     'run diff with -B' \
@@ -114,7 +114,7 @@ cat >expected <<\EOF
 :100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 f5deac7be59e7eeab8657fd9ae706fd6a57daed2 M100  file1
 EOF
 
-test_expect_success SYMLINKS \
+test_expect_success \
     'validate result of -B (#5)' \
     'compare_diff_raw expected current'
 
@@ -123,13 +123,13 @@ test_expect_success \
     'git diff-index -B -M "$tree" >current'
 
 # file0 changed from regular to symlink.  file1 is very close to the preimage of file0.
-# because we break file0, file1 can become a rename of it.
+# the change does not make file0 disappear, so file1 is denoted as a copy of file0
 cat >expected <<\EOF
 :100644 120000 f5deac7be59e7eeab8657fd9ae706fd6a57daed2 67be421f88824578857624f7b3dc75e99a8a1481 T     file0
-:100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 f5deac7be59e7eeab8657fd9ae706fd6a57daed2 R     file0   file1
+:100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 f5deac7be59e7eeab8657fd9ae706fd6a57daed2 C     file0   file1
 EOF
 
-test_expect_success SYMLINKS \
+test_expect_success \
     'validate result of -B -M (#6)' \
     'compare_diff_raw expected current'
 
@@ -144,7 +144,7 @@ cat >expected <<\EOF
 :100644 100644 6ff87c4664981e4397625791c8ea3bbb5f2279a3 f5deac7be59e7eeab8657fd9ae706fd6a57daed2 M     file1
 EOF
 
-test_expect_success SYMLINKS \
+test_expect_success \
     'validate result of -M (#7)' \
     'compare_diff_raw expected current'