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#!/bin/sh
#
# Copyright (c) 2005 Junio C Hamano
#
test_description='Test rename detection in diff engine.
'
. ./test-lib.sh
. "$TEST_DIRECTORY"/diff-lib.sh
echo >path0 'Line 1
Line 2
Line 3
Line 4
Line 5
Line 6
Line 7
Line 8
Line 9
Line 10
line 11
Line 12
Line 13
Line 14
Line 15
'
test_expect_success \
'update-index --add a file.' \
'git update-index --add path0'
test_expect_success \
'write that tree.' \
'tree=$(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 $tree >current'
cat >expected <<\EOF
diff --git a/path0 b/path1
rename from path0
rename to path1
--- a/path0
+++ b/path1
@@ -8,7 +8,7 @@ Line 7
Line 8
Line 9
Line 10
-line 11
+Line 11
Line 12
Line 13
Line 14
EOF
test_expect_success \
'validate the output.' \
'compare_diff_patch current expected'
test_expect_success 'favour same basenames over different ones' '
cp path1 another-path &&
git add another-path &&
git commit -m 1 &&
git rm path1 &&
mkdir subdir &&
git mv another-path subdir/path1 &&
git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"'
test_expect_success 'favour same basenames even with minor differences' '
git show HEAD:path1 | sed "s/15/16/" > subdir/path1 &&
git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"'
test_expect_success 'setup for many rename source candidates' '
git reset --hard &&
for i in 0 1 2 3 4 5 6 7 8 9;
do
for j in 0 1 2 3 4 5 6 7 8 9;
do
echo "$i$j" >"path$i$j"
done
done &&
git add "path??" &&
test_tick &&
git commit -m "hundred" &&
(cat path1; echo new) >new-path &&
echo old >>path1 &&
git add new-path path1 &&
git diff -l 4 -C -C --cached --name-status >actual 2>actual.err &&
sed -e "s/^\([CM]\)[0-9]* /\1 /" actual >actual.munged &&
cat >expect <<-EOF &&
C path1 new-path
M path1
EOF
test_cmp expect actual.munged &&
grep warning actual.err
'
test_done
|
