[arch-haskell] Checksum failures when building all packages

[Richard Wallace]

I've checked out habs and am trying to build all the packages as described
in the readme.  Every once in a while the build will fail with a checksum
error while installing dependencies

==> Installing missing dependencies...
resolving dependencies...
looking for inter-conflicts...

Packages (3): haskell-polyparse-1.9-58  haskell-text-1.1.0.1-3
 haskell-cpphs-1.18.4-3

Total Installed Size:   37.85 MiB

:: Proceed with installation? [Y/n]
(3/3) checking keys in keyring
[########################################] 100%
(3/3) checking package integrity
[########################################] 100%
:: File /var/cache/pacman/pkg/haskell-polyparse-1.9-58-x86_64.pkg.tar.xz is
corrupted (invalid or corrupted package (checksum)).
Do you want to delete it? [Y/n]
:: File /var/cache/pacman/pkg/haskell-cpphs-1.18.4-3-x86_64.pkg.tar.xz is
corrupted (invalid or corrupted package (checksum)).
Do you want to delete it? [Y/n]
error: failed to commit transaction (invalid or corrupted package
(checksum))
Errors occurred, no packages were upgraded.
==> ERROR: 'pacman' failed to install missing dependencies.

==> ERROR: Build failed, check
/home/rwallace/Development/habs/x86_64-chroot/build/build
*** ERROR: Trapped ERR, something went very wrong.

If I just restart the build, it appears to download the problem dependency
instead of using the locally built package.

Is this normal, or am I doing something wrong?

Thanks,
Rich
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