[Bug 2112445] Re: Incorrect evaluation of expr

[Christian Ehrhardt]

Adding a qemu bug task as it is affected by this due to [1] related
FTFBS log [2] is sadly very unhelpful and not pointing much at the root
cause. Thanks @xypron for co-debugging this!

I'm trying to add a temporary fix to qemu by depending on coreutils-
from-gnu, if there is a better recommended way to temp-overcome these
let me know.

[1]: https://sources.debian.org/src/qemu/1:10.0.2+ds-1/debian/rules/?hl=7#L141
[2]: https://launchpadlibrarian.net/797329880/buildlog_ubuntu-questing-amd64.qemu_1%3A10.0.2+ds-1ubuntu1~questingppa1_BUILDING.txt.gz

** Also affects: qemu (Ubuntu)
   Importance: Undecided
       Status: New

** Changed in: qemu (Ubuntu)
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/2112445

Title:
  Incorrect evaluation of expr

Status in qemu package in Ubuntu:
  Invalid
Status in rust-coreutils package in Ubuntu:
  Confirmed

Bug description:
  I have installed rust-coreutils 0.0.30-2.

  I have created a symbolic link /usr/bin/expr =>
  /usr/lib/cargo/bin/coreutils/expr.

  When executing the appended script test.sh it does not find a space
  between words.

  With /usr/bin/expr => /usr/bin/gnuexpr the script finds a space.

  My expectation is that both binaries should be equivalent.

  Best regards

  Heinrich

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