diff options
Diffstat (limited to 't/t4053-diff-no-index.sh')
-rwxr-xr-x | t/t4053-diff-no-index.sh | 154 |
1 files changed, 153 insertions, 1 deletions
diff --git a/t/t4053-diff-no-index.sh b/t/t4053-diff-no-index.sh index 0168946..651ec77 100755 --- a/t/t4053-diff-no-index.sh +++ b/t/t4053-diff-no-index.sh @@ -2,6 +2,7 @@ test_description='diff --no-index' +TEST_PASSES_SANITIZE_LEAK=true . ./test-lib.sh test_expect_success 'setup' ' @@ -16,6 +17,11 @@ test_expect_success 'setup' ' echo 1 >non/git/b ' +test_expect_success 'git diff --no-index --exit-code' ' + git diff --no-index --exit-code a/1 non/git/a && + test_expect_code 1 git diff --no-index --exit-code a/1 a/2 +' + test_expect_success 'git diff --no-index directories' ' test_expect_code 1 git diff --no-index a b >cnt && test_line_count = 14 cnt @@ -50,7 +56,7 @@ test_expect_success 'git diff --no-index executed outside repo gives correct err export GIT_CEILING_DIRECTORIES && cd non/git && test_must_fail git diff --no-index a 2>actual.err && - test_i18ngrep "usage: git diff --no-index" actual.err + test_grep "usage: git diff --no-index" actual.err ) ' @@ -144,4 +150,150 @@ test_expect_success 'diff --no-index allows external diff' ' test_cmp expect actual ' +test_expect_success 'diff --no-index normalizes mode: no changes' ' + echo foo >x && + cp x y && + git diff --no-index x y >out && + test_must_be_empty out +' + +test_expect_success POSIXPERM 'diff --no-index normalizes mode: chmod +x' ' + chmod +x y && + cat >expected <<-\EOF && + diff --git a/x b/y + old mode 100644 + new mode 100755 + EOF + test_expect_code 1 git diff --no-index x y >actual && + test_cmp expected actual +' + +test_expect_success POSIXPERM 'diff --no-index normalizes: mode not like git mode' ' + chmod 666 x && + chmod 777 y && + cat >expected <<-\EOF && + diff --git a/x b/y + old mode 100644 + new mode 100755 + EOF + test_expect_code 1 git diff --no-index x y >actual && + test_cmp expected actual +' + +test_expect_success POSIXPERM,SYMLINKS 'diff --no-index normalizes: mode not like git mode (symlink)' ' + ln -s y z && + X_OID=$(git hash-object --stdin <x) && + Z_OID=$(printf y | git hash-object --stdin) && + cat >expected <<-EOF && + diff --git a/x b/x + deleted file mode 100644 + index $X_OID..$ZERO_OID + --- a/x + +++ /dev/null + @@ -1 +0,0 @@ + -foo + diff --git a/z b/z + new file mode 120000 + index $ZERO_OID..$Z_OID + --- /dev/null + +++ b/z + @@ -0,0 +1 @@ + +y + \ No newline at end of file + EOF + test_expect_code 1 git -c core.abbrev=no diff --no-index x z >actual && + test_cmp expected actual +' + +test_expect_success POSIXPERM 'external diff with mode-only change' ' + echo content >not-executable && + echo content >executable && + chmod +x executable && + echo executable executable $(test_oid zero) 100755 \ + not-executable $(test_oid zero) 100644 not-executable \ + >expect && + test_expect_code 1 git -c diff.external=echo diff \ + --no-index executable not-executable >actual && + test_cmp expect actual +' + +test_expect_success "diff --no-index treats '-' as stdin" ' + cat >expect <<-EOF && + diff --git a/- b/a/1 + index $ZERO_OID..$(git hash-object --stdin <a/1) 100644 + --- a/- + +++ b/a/1 + @@ -1 +1 @@ + -x + +1 + EOF + + test_write_lines x | test_expect_code 1 \ + git -c core.abbrev=no diff --no-index -- - a/1 >actual && + test_cmp expect actual && + + test_write_lines 1 | git diff --no-index -- a/1 - >actual && + test_must_be_empty actual +' + +test_expect_success "diff --no-index -R treats '-' as stdin" ' + cat >expect <<-EOF && + diff --git b/a/1 a/- + index $(git hash-object --stdin <a/1)..$ZERO_OID 100644 + --- b/a/1 + +++ a/- + @@ -1 +1 @@ + -1 + +x + EOF + + test_write_lines x | test_expect_code 1 \ + git -c core.abbrev=no diff --no-index -R -- - a/1 >actual && + test_cmp expect actual && + + test_write_lines 1 | git diff --no-index -R -- a/1 - >actual && + test_must_be_empty actual +' + +test_expect_success 'diff --no-index refuses to diff stdin and a directory' ' + test_must_fail git diff --no-index -- - a </dev/null 2>err && + grep "fatal: cannot compare stdin to a directory" err +' + +test_expect_success PIPE 'diff --no-index refuses to diff a named pipe and a directory' ' + test_when_finished "rm -f pipe" && + mkfifo pipe && + test_must_fail git diff --no-index -- pipe a 2>err && + grep "fatal: cannot compare a named pipe to a directory" err +' + +test_expect_success PIPE,SYMLINKS 'diff --no-index reads from pipes' ' + test_when_finished "rm -f old new new-link" && + mkfifo old && + mkfifo new && + ln -s new new-link && + { + (test_write_lines a b c >old) & + } && + test_when_finished "kill $! || :" && + { + (test_write_lines a x c >new) & + } && + test_when_finished "kill $! || :" && + + cat >expect <<-EOF && + diff --git a/old b/new-link + --- a/old + +++ b/new-link + @@ -1,3 +1,3 @@ + a + -b + +x + c + EOF + + test_expect_code 1 git diff --no-index old new-link >actual && + test_cmp expect actual +' + test_done |