t4001-diff-rename.sh
#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
test_description='Test rename detection in diff engine.
'
. ./test-lib.sh
. ../diff-lib.sh
echo >path0 'Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
line 11
Line 12
Line 13
Line 14
Line 15
'
test_expect_success \
'update-cache --add a file.' \
'git-update-index --add path0'
test_expect_success \
'write that tree.' \
'tree=$(git-write-tree) && echo $tree'
sed -e 's/line/Line/' <path0 >path1
rm -f path0
test_expect_success \
'renamed and edited the file.' \
'git-update-index --add --remove path0 path1'
test_expect_success \
'git-diff-index -p -M after rename and editing.' \
'git-diff-index -p -M $tree >current'
cat >expected <<\EOF
diff --git a/path0 b/path1
rename from path0
rename to path1
--- a/path0
+++ b/path1
@@ -8,7 +8,7 @@ Line 7
Line 8
Line 9
Line 10
-line 11
+Line 11
Line 12
Line 13
Line 14
EOF
test_expect_success \
'validate the output.' \
'compare_diff_patch current expected'
test_done