cat file1 >file2
cat file1 >file4
-git update-index --add --remove file1 file2 file4
-git commit -m 'Initial Version' 2>/dev/null
-
-git checkout -b binary
-perl -pe 'y/x/\000/' <file1 >file3
-cat file3 >file4
-git add file2
-perl -pe 'y/\000/v/' <file3 >file1
-rm -f file2
-git update-index --add --remove file1 file2 file3 file4
-git commit -m 'Second Version'
-
-git diff-tree -p master binary >B.diff
-git diff-tree -p -C master binary >C.diff
-
-git diff-tree -p --binary master binary >BF.diff
-git diff-tree -p --binary -C master binary >CF.diff
+test_expect_success 'setup' "
+ git update-index --add --remove file1 file2 file4 &&
+ git commit -m 'Initial Version' 2>/dev/null &&
+
+ git checkout -b binary &&
+ perl -pe 'y/x/\000/' <file1 >file3 &&
+ cat file3 >file4 &&
+ git add file2 &&
+ perl -pe 'y/\000/v/' <file3 >file1 &&
+ rm -f file2 &&
+ git update-index --add --remove file1 file2 file3 file4 &&
+ git commit -m 'Second Version' &&
+
+ git diff-tree -p master binary >B.diff &&
+ git diff-tree -p -C master binary >C.diff &&
+
+ git diff-tree -p --binary master binary >BF.diff &&
+ git diff-tree -p --binary -C master binary >CF.diff
+"
test_expect_success 'stat binary diff -- should not fail.' \
'git checkout master