https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=224270

Alex Richardson <[email protected]> changed:

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                 CC|                            |[email protected]

--- Comment #8 from Alex Richardson <[email protected]> ---
Created attachment 198515
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=198515&action=edit
possible patch

I would be very interested in having this feature. I just hacked up a quick
patch that seems to work. However, I have never looked at the bin/sh code
before so I probably missed something.

I could upload this to phabricator if it makes sense.

$ ./bin/sh -c "set -o pipefail; yes | head -n1 | wc -l"; echo $?
       1
141
$ bash -c "set -o pipefail; yes | head -n1 | wc -l"; echo $?
       1
141

$ ./bin/sh -c "set -o pipefail; false | true"; echo $?
1
$ bash -c "set -o pipefail; false | true"; echo $?
1

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