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中国でStackを使うには?

Last updated at Posted at 2019-08-07

中国ではGFWの影響でstackが使えない?

Haskellを利用する際、Stack経由で使用する方も結構いると思います。
しかし中国からだと、そのままでは公式サーバーにアクセスできず、stack setupすらできません。

その解決方法として清華大学のミラーサーバーを利用します。
~/.stack/config.yaml に以下を追記します。
stackのバージョンによって書き方が違うので注意してください)

stack >= v2.3.1

# stackage mirror settings
setup-info-locations:
  - "http://mirrors.tuna.tsinghua.edu.cn/stackage/stack-setup.yaml"
urls:
  latest-snapshot: http://mirrors.tuna.tsinghua.edu.cn/stackage/snapshots.json

# hackage mirror settings
package-indices:
  - download-prefix: http://mirrors.tuna.tsinghua.edu.cn/hackage/
    hackage-security:
        keyids:
        - 0a5c7ea47cd1b15f01f5f51a33adda7e655bc0f0b0615baa8e271f4c3351e21d
        - 1ea9ba32c526d1cc91ab5e5bd364ec5e9e8cb67179a471872f6e26f0ae773d42
        - 280b10153a522681163658cb49f632cde3f38d768b736ddbc901d99a1a772833
        - 2a96b1889dc221c17296fcc2bb34b908ca9734376f0f361660200935916ef201
        - 2c6c3627bd6c982990239487f1abd02e08a02e6cf16edb105a8012d444d870c3
        - 51f0161b906011b52c6613376b1ae937670da69322113a246a09f807c62f6921
        - 772e9f4c7db33d251d5c6e357199c819e569d130857dc225549b40845ff0890d
        - aa315286e6ad281ad61182235533c41e806e5a787e0b6d1e7eef3f09d137d2e9
        - fe331502606802feac15e514d9b9ea83fee8b6ffef71335479a2e68d84adc6b0
        key-threshold: 3 # number of keys required

        # ignore expiration date, see https://github.com/commercialhaskell/stack/pull/4614
        ignore-expiry: no

v2.1.1 <= stack < v2.3.1

# stackage mirror settings
setup-info: "http://mirrors.tuna.tsinghua.edu.cn/stackage/stack-setup.yaml"
urls:
  latest-snapshot: http://mirrors.tuna.tsinghua.edu.cn/stackage/snapshots.json

# hackage mirror settings
package-indices:
  - download-prefix: http://mirrors.tuna.tsinghua.edu.cn/hackage/
    hackage-security:
        keyids:
        - 0a5c7ea47cd1b15f01f5f51a33adda7e655bc0f0b0615baa8e271f4c3351e21d
        - 1ea9ba32c526d1cc91ab5e5bd364ec5e9e8cb67179a471872f6e26f0ae773d42
        - 280b10153a522681163658cb49f632cde3f38d768b736ddbc901d99a1a772833
        - 2a96b1889dc221c17296fcc2bb34b908ca9734376f0f361660200935916ef201
        - 2c6c3627bd6c982990239487f1abd02e08a02e6cf16edb105a8012d444d870c3
        - 51f0161b906011b52c6613376b1ae937670da69322113a246a09f807c62f6921
        - 772e9f4c7db33d251d5c6e357199c819e569d130857dc225549b40845ff0890d
        - aa315286e6ad281ad61182235533c41e806e5a787e0b6d1e7eef3f09d137d2e9
        - fe331502606802feac15e514d9b9ea83fee8b6ffef71335479a2e68d84adc6b0
        key-threshold: 3 # number of keys required

        # ignore expiration date, see https://github.com/commercialhaskell/stack/pull/4614
        ignore-expiry: no

stack < v2.1.1

# stackage mirror settings
setup-info: "http://mirrors.tuna.tsinghua.edu.cn/stackage/stack-setup.yaml"
urls:
  latest-snapshot: http://mirrors.tuna.tsinghua.edu.cn/stackage/snapshots.json
  lts-build-plans: http://mirrors.tuna.tsinghua.edu.cn/stackage/lts-haskell/
  nightly-build-plans: http://mirrors.tuna.tsinghua.edu.cn/stackage/stackage-nightly/

# hackage mirror settings
package-indices:
  - name: Tsinghua
    download-prefix: http://mirrors.tuna.tsinghua.edu.cn/hackage/package/
    http: http://mirrors.tuna.tsinghua.edu.cn/hackage/00-index.tar.gz

参考URL

https://mirror.tuna.tsinghua.edu.cn/help/stackage/
https://mirror.tuna.tsinghua.edu.cn/help/hackage/

まとめ

海外では思わぬ落とし穴がありますね。
皆様のお役に立てれば幸いです。それでは楽しいHaskellライフを!

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