3 # Copyright (c) 2005 Junio C Hamano
6 test_description='Test rename detection in diff engine.
10 . "$TEST_DIRECTORY"/diff-lib.sh
30 'update-index --add a file.' \
31 'git update-index --add path0'
35 'tree=$(git write-tree) && echo $tree'
37 sed -e 's/line/Line/' <path0 >path1
40 'renamed and edited the file.' \
41 'git update-index --add --remove path0 path1'
44 'git diff-index -p -M after rename and editing.' \
45 'git diff-index -p -M $tree >current'
47 diff --git a/path0 b/path1
52 @@ -8,7 +8,7 @@ Line 7
64 'validate the output.' \
65 'compare_diff_patch current expected'
67 test_expect_success 'favour same basenames over different ones' '
68 cp path1 another-path &&
69 git add another-path &&
73 git mv another-path subdir/path1 &&
74 git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"'
76 test_expect_success 'favour same basenames even with minor differences' '
77 git show HEAD:path1 | sed "s/15/16/" > subdir/path1 &&
78 git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"'
80 test_expect_success 'two files with same basename and same content' '
82 mkdir -p dir/A dir/B &&
83 cp path1 dir/A/file &&
84 cp path1 dir/B/file &&
87 git mv dir other-dir &&
88 git status | test_i18ngrep "renamed: .*dir/A/file -> other-dir/A/file"
91 test_expect_success 'setup for many rename source candidates' '
93 for i in 0 1 2 3 4 5 6 7 8 9;
95 for j in 0 1 2 3 4 5 6 7 8 9;
97 echo "$i$j" >"path$i$j"
102 git commit -m "hundred" &&
103 (cat path1; echo new) >new-path &&
105 git add new-path path1 &&
106 git diff -l 4 -C -C --cached --name-status >actual 2>actual.err &&
107 sed -e "s/^\([CM]\)[0-9]* /\1 /" actual >actual.munged &&
108 cat >expect <<-EOF &&
112 test_cmp expect actual.munged &&
113 grep warning actual.err
116 test_expect_success 'rename pretty print with nothing in common' '
120 git commit -m "create a/b/c" &&
122 git mv a/b/c c/b/a &&
123 git commit -m "a/b/c -> c/b/a" &&
124 git diff -M --summary HEAD^ HEAD >output &&
125 test_i18ngrep " a/b/c => c/b/a " output &&
126 git diff -M --stat HEAD^ HEAD >output &&
127 test_i18ngrep " a/b/c => c/b/a " output
130 test_expect_success 'rename pretty print with common prefix' '
132 git mv c/b/a c/d/e &&
133 git commit -m "c/b/a -> c/d/e" &&
134 git diff -M --summary HEAD^ HEAD >output &&
135 test_i18ngrep " c/{b/a => d/e} " output &&
136 git diff -M --stat HEAD^ HEAD >output &&
137 test_i18ngrep " c/{b/a => d/e} " output
140 test_expect_success 'rename pretty print with common suffix' '
143 git commit -m "c/d/e -> d/e" &&
144 git diff -M --summary HEAD^ HEAD >output &&
145 test_i18ngrep " {c/d => d}/e " output &&
146 git diff -M --stat HEAD^ HEAD >output &&
147 test_i18ngrep " {c/d => d}/e " output
150 test_expect_success 'rename pretty print with common prefix and suffix' '
153 git commit -m "d/e -> d/f/e" &&
154 git diff -M --summary HEAD^ HEAD >output &&
155 test_i18ngrep " d/{ => f}/e " output &&
156 git diff -M --stat HEAD^ HEAD >output &&
157 test_i18ngrep " d/{ => f}/e " output
160 test_expect_success 'rename pretty print common prefix and suffix overlap' '
162 git mv d/f/e d/f/f/e &&
163 git commit -m "d/f/e d/f/f/e" &&
164 git diff -M --summary HEAD^ HEAD >output &&
165 test_i18ngrep " d/f/{ => f}/e " output &&
166 git diff -M --stat HEAD^ HEAD >output &&
167 test_i18ngrep " d/f/{ => f}/e " output