Imported Upstream version 2.30.0

[platform/upstream/git.git] / t / t4001-diff-rename.sh

diff --git a/t/t4001-diff-rename.sh b/t/t4001-diff-rename.sh
index ed90c6c..c16486a 100755 (executable)
--- a/t/t4001-diff-rename.sh
+++ b/t/t4001-diff-rename.sh
@@ -9,21 +9,84 @@ 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 'setup' '
+       cat >path0 <<-\EOF &&
+       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
+       EOF
+       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
+       cat >no-rename <<-\EOF
+       diff --git a/path0 b/path0
+       deleted file mode 100644
+       index fdbec44..0000000
+       --- a/path0
+       +++ /dev/null
+       @@ -1,15 +0,0 @@
+       -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
+       diff --git a/path1 b/path1
+       new file mode 100644
+       index 0000000..752c50e
+       --- /dev/null
+       +++ b/path1
+       @@ -0,0 +1,15 @@
+       +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
+       EOF
 '
 
 test_expect_success \
@@ -43,27 +106,27 @@ test_expect_success \
 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 'test diff.renames=true' '
+       git -c diff.renames=true diff --cached $tree >current &&
+       compare_diff_patch current expected
+'
+
+test_expect_success 'test diff.renames=false' '
+       git -c diff.renames=false diff --cached $tree >current &&
+       compare_diff_patch current no-rename
+'
+
+test_expect_success 'test diff.renames unset' '
+       git diff --cached $tree >current &&
+       compare_diff_patch current expected
+'
+
 test_expect_success 'favour same basenames over different ones' '
        cp path1 another-path &&
        git add another-path &&
@@ -71,11 +134,27 @@ test_expect_success 'favour same basenames over different ones' '
        git rm path1 &&
        mkdir subdir &&
        git mv another-path subdir/path1 &&
-       git status | test_i18ngrep "renamed: .*path1 -> subdir/path1"'
+       git status >out &&
+       test_i18ngrep "renamed: .*path1 -> subdir/path1" out
+'
+
+test_expect_success 'test diff.renames=true for git status' '
+       git -c diff.renames=true status >out &&
+       test_i18ngrep "renamed: .*path1 -> subdir/path1" out
+'
+
+test_expect_success 'test diff.renames=false for git status' '
+       git -c diff.renames=false status >out &&
+       test_i18ngrep ! "renamed: .*path1 -> subdir/path1" out &&
+       test_i18ngrep "new file: .*subdir/path1" out &&
+       test_i18ngrep "deleted: .*[^/]path1" out
+'
 
 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"'
+       git status >out &&
+       test_i18ngrep "renamed: .*path1 -> subdir/path1" out
+'
 
 test_expect_success 'two files with same basename and same content' '
        git reset --hard &&
@@ -85,7 +164,8 @@ test_expect_success 'two files with same basename and same content' '
        git add dir &&
        git commit -m 2 &&
        git mv dir other-dir &&
-       git status | test_i18ngrep "renamed: .*dir/A/file -> other-dir/A/file"
+       git status >out &&
+       test_i18ngrep "renamed: .*dir/A/file -> other-dir/A/file" out
 '
 
 test_expect_success 'setup for many rename source candidates' '
@@ -100,7 +180,7 @@ test_expect_success 'setup for many rename source candidates' '
        git add "path??" &&
        test_tick &&
        git commit -m "hundred" &&
-       (cat path1; echo new) >new-path &&
+       (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 &&
@@ -167,4 +247,19 @@ test_expect_success 'rename pretty print common prefix and suffix overlap' '
        test_i18ngrep " d/f/{ => f}/e " output
 '
 
+test_expect_success 'diff-tree -l0 defaults to a big rename limit, not zero' '
+       test_write_lines line1 line2 line3 >myfile &&
+       git add myfile &&
+       git commit -m x &&
+
+       test_write_lines line1 line2 line4 >myotherfile &&
+       git rm myfile &&
+       git add myotherfile &&
+       git commit -m x &&
+
+       git diff-tree -M -l0 HEAD HEAD^ >actual &&
+       # Verify that a rename from myotherfile to myfile was detected
+       grep "myotherfile.*myfile" actual
+'
+
 test_done