On 30/03/2023 09:20, A. Wilcox wrote:
> Hello,
> 
> While updating coreutils to 9.2 on Adélie Linux, I’ve run into a few
> interesting corner-cases in the test suite.  As a note, our distribution
> is using musl as the libc.
> 
> 1. `tests/misc/csplit-heap.sh` fails when /bin/sh is Bash
> 
> I actually saw this on 9.1 as well, but I only saw it on one system and
> considered it a fluke since our auto builder infrastructure didn’t see
> the issue.  Seeing it again in 9.2 made me look deeper, and it turns out
> that when /bin/sh is a symlink to /bin/bash, the test fails with:
> 
> ./tests/misc/csplit-heap.sh: xmalloc: cannot allocate 16085 bytes
> 
> When /bin/sh is a symlink to /bin/dash, the test no longer fails.
> However:

The attached should fix that issue.

> 
> 
> 2. `tests/misc/tee.sh` fails when /bin/sh is Dash and `make` is run
> under Zsh
> 
> When running the test suite from my default Zsh environment, and when
> /bin/sh is a symlink to /bin/dash, I receive an error when running the
> tee test.
> 
> If:
> 
> - /bin/sh is a symlink to /bin/bash; OR if
> 
> - /bin/sh is a symlink to /bin/dash, and
> - make is launched from a Bash or Dash shell, *not* a Zsh shell,
> 
> Then the test passes.

This is failing as `yes >fifo` is getting EINTR on your shell.
I'm not too sure why that's happening, but it might be
due to interactions on the fifo from the previous part of the test.

Does the following change avoid the problem for you?

cheers,
Pádraig

diff --git a/tests/misc/tee.sh b/tests/misc/tee.sh
index 0b97a9ea3..444cb688a 100755
--- a/tests/misc/tee.sh
+++ b/tests/misc/tee.sh
@@ -99,7 +99,7 @@ dd count=20 bs=100K if=/dev/zero status=none |
    dd count=0 oflag=nonblock status=none
    tee || { cleanup_; touch tee.fail; }
  } >fifo
-test -f tee.fail && fail=1
+test -f tee.fail && fail=1 || cleanup_

  # Ensure tee honors --output-error modes
  read_fifo() { timeout 10 dd count=1 if=fifo of=/dev/null status=none & }