Я пытаюсь построитьПлатформа Вяза используя песочницу Однако установка завершается неудачно с сообщением «пакеты могут быть повреждены при переустановке». Это кажется мне противоречащим цели песочницы, которая, как я полагал, должна была избежать такого рода ошибок.

Кто-нибудь может объяснить эту ошибку для меня, и еще лучше помочь мне продолжить установку Elm? Безопасно ли добавлять--force-reinstalls?

Вот последовательность команд, которые я выполнил:

cabal sandbox init
cabal update
cabal install -j elm-compiler-0.14 elm-package-0.2 elm-make-0.1 elm-reactor-0.2 elm-repl-0.4

Я использую Cabal 1.22.0.0 и GHC 7.8.2 на Mac OS 10.10. Полный вывод выглядит следующим образом:

Resolving dependencies...
In order, the following would be installed:
Diff-0.3.0 (new package)
HUnit-1.2.5.2 (new package)
ansi-terminal-0.6.2.1 (new package)
ansi-wl-pprint-0.6.7.1 (new package)
async-2.0.2 (new package)
blaze-markup-0.6.2.0 (new package)
blaze-html-0.7.0.3 (new package)
byteable-0.1.1 (new package)
bytestring-mmap-0.2.2 (new package)
bytestring-trie-0.2.4 (new package)
cereal-0.4.1.1 (new package)
cmdargs-0.10.12 (new package)
concatenative-1.0.1 (new package)
cookie-0.4.1.4 (new package)
cryptohash-0.11.6 (new package)
enumerator-0.4.20 (new package)
attoparsec-enumerator-0.3.3 (new package)
blaze-builder-enumerator-0.2.0.6 (new package)
exceptions-0.6.1 (reinstall) changes: mtl-2.1.3.1 -> 2.2.1,
transformers-0.3.0.0 -> 0.4.1.0
extensible-exceptions-0.1.1.4 (new package)
hfsevents-0.1.5 (new package)
fsnotify-0.1.0.3 (new package)
hourglass-0.2.8 (new package)
asn1-types-0.3.0 (new package)
asn1-encoding-0.9.0 (new package)
asn1-parse-0.9.0 (new package)
crypto-pubkey-types-0.4.2.3 (new package)
http-types-0.8.5 (new package)
mime-types-0.1.0.5 (new package)
monads-tf-0.1.0.2 (reinstall) changes: transformers-0.3.0.0 -> 0.4.1.0
MonadCatchIO-transformers-0.3.1.3 (new package)
network-2.6.0.2 (new version)
parsec-3.1.7 (new version)
indents-0.3.3 (new package)
network-uri-2.6.0.1 (new package)
HTTP-4000.2.19 (new version)
pem-0.2.2 (new package)
prettyclass-1.0.0.0 (new package)
language-glsl-0.1.1 (new package)
publicsuffixlist-0.1 (new package)
regex-base-0.93.2 (new package)
regex-posix-0.95.2 (new package)
securemem-0.1.4 (new package)
crypto-cipher-types-0.0.9 (new package)
cipher-aes-0.2.9 (new package)
cipher-des-0.0.6 (new package)
cipher-rc4-0.1.4 (new package)
crypto-random-0.0.8 (new package)
cprng-aes-0.6.1 (new package)
crypto-numbers-0.2.7 (new package)
crypto-pubkey-0.2.7 (new package)
socks-0.5.4 (new package)
streaming-commons-0.1.8 (new package)
http-client-0.3.8.2 (latest: 0.4.6.2) (new package)
syb-0.4.4 (new package)
tagshare-0.0 (new package)
terminfo-0.4.0.0 (new package)
haskeline-0.7.1.3 (new package)
tf-random-0.5 (new package)
QuickCheck-2.7.6 (new package)
testing-feat-0.4.0.2 (new package)
transformers-compat-0.3.3.4 (new package)
optparse-applicative-0.10.0 (latest: 0.11.0.1) (new package)
union-find-0.2 (new package)
unix-compat-0.4.1.4 (new package)
unordered-containers-0.2.5.1 (new package)
aeson-0.8.0.2 +old-locale (new package)
aeson-pretty-0.7.2 (new package)
uniplate-1.6.12 (new package)
websockets-0.9.2.2 (new version)
wl-pprint-1.1 (new package)
language-ecmascript-0.16.2 (latest: 0.17) (new package)
elm-compiler-0.14 (new package)
x509-1.5.0.1 (new package)
x509-store-1.5.0 (new package)
x509-system-1.5.0 (new package)
x509-validation-1.5.1 (new package)
tls-1.2.13 (new package)
connection-0.2.3 (new package)
http-client-tls-0.2.2 (new package)
zip-archive-0.2.3.5 (new version)
elm-package-0.2 (latest: 0.2.2) (new package)
elm-make-0.1 (new package)
elm-repl-0.4 (new package)
zlib-enum-0.2.3.1 (new package)
snap-core-0.9.6.4 (new package)
snap-server-0.9.4.6 (new package)
websockets-snap-0.9.0.0 (new package)
elm-reactor-0.2 (latest: 0.2.0.1) (new package)
cabal: The following packages are likely to be broken by the reinstalls:
temporary-1.2.0.3
shellmate-0.1.6
Use --force-reinstalls if you want to install anyway.

ОБНОВИТЬ:

В соответствии с просьбой, выход изcabal exec ghc-pkg list temporary:

$ cabal exec ghc-pkg list temporary
/Applications/ghc-7.8.2.app/Contents/lib/ghc-7.8.2/package.conf.d
   temporary-1.2.0.3
/Users/nbartlett/Development/Elm-Platform/tmp/.cabal-sandbox/x86_64-osx-ghc-7.8.2-packages.conf.d