From: Phillip Wood <phillip.wood@xxxxxxxxxxxxx> "git diff --no-index" supports reading from stdin with the path "-". There is no test coverage for this so add a regression test before changing the code in the next commit. Signed-off-by: Phillip Wood <phillip.wood@xxxxxxxxxxxxx> --- t/t4053-diff-no-index.sh | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+) diff --git a/t/t4053-diff-no-index.sh b/t/t4053-diff-no-index.sh index 5bfb282e98..4870443609 100755 --- a/t/t4053-diff-no-index.sh +++ b/t/t4053-diff-no-index.sh @@ -205,6 +205,25 @@ test_expect_success POSIXPERM,SYMLINKS 'diff --no-index normalizes: mode not lik test_cmp expected 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 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 -- 2.40.1.852.g0a1e0755a6
