git-commit-vandalism/t/t4001-diff-rename.sh
Johannes Schindelin 0ce396431e diffcore-rename: favour identical basenames
When there are several candidates for a rename source, and one of them
has an identical basename to the rename target, take that one.

Noticed by Govind Salinas, posted by Shawn O. Pearce, partial patch
by Linus Torvalds.

Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2007-06-22 22:43:51 -07:00

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#!/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_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 runstatus | grep "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 runstatus | grep "renamed: .*path1 -> subdir/path1"'
test_done