如何在堆栈中创建项目模板？

Question

我要创建几个项目。这些项目将使用相同的依赖项，例如：

dependencies:
- base >= 4.7 && < 5
- classy-prelude

default-extesion:
- NoImplicitPrelude
- OverloadedStrings

问题，如何在堆栈中创建一个包含默认值 dependencies 的模板，就像我在上面列出的那样。

Answer 1

您可以更改 Haskell 模板，例如 simple template on GitHub。您可以将修改后的文件保存在本地，例如 ~/simple-classy.hsfiles，然后构建一个新项目：

stack new <i>name</i> <b>~/simple-classy.hsfiles</b>

例如这里是 simply.hsfiles 的一个稍微修改的版本。您当然可以对模板进行更重大的更改：

{-# START_FILE package.yaml #-}
name:    {{name}}
version: "0.0.0"

<b>dependencies</b>:
  - base >= 4.7 && < 5
  - classy-prelude

<b>default-extension</b>:
  - NoImplicitPrelude
  - OverloadedStrings

{-# START_FILE {{name}}.cabal #-}
name:                {{name}}
version:             0.1.0.0
-- synopsis:
-- description:
homepage:            https://github.com/{{github-username}}{{^github-username}}githubuser{{/github-username}}/{{name}}#readme
license:             BSD3
license-file:        LICENSE
author:              {{author-name}}{{^author-name}}Author name here{{/author-name}}
maintainer:          {{author-email}}{{^author-email}}example@example.com{{/author-email}}
copyright:           {{copyright}}{{^copyright}}{{year}}{{^year}}2019{{/year}} {{author-name}}{{^author-name}}Author name here{{/author-name}}{{/copyright}}
category:            {{category}}{{^category}}Web{{/category}}
build-type:          Simple
cabal-version:       >=1.10
extra-source-files:  README.md

executable {{name}}
  hs-source-dirs:      src
  main-is:             Main.hs
  default-language:    Haskell2010
  build-depends:       base >= 4.7 && < 5

{-# START_FILE Setup.hs #-}
import Distribution.Simple
main = defaultMain

{-# START_FILE README.md #-}
# {{name}}

{-# START_FILE src/Main.hs #-}
module Main where

main :: IO ()
main = do
  putStrLn "hello world"

{-# START_FILE LICENSE #-}
Copyright {{author-name}}{{^author-name}}Author name here{{/author-name}} (c) {{year}}{{^year}}2019{{/year}}

All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.

    * Redistributions in binary form must reproduce the above
      copyright notice, this list of conditions and the following
      disclaimer in the documentation and/or other materials provided
      with the distribution.

    * Neither the name of {{author-name}}{{^author-name}}Author name here{{/author-name}} nor the names of other
      contributors may be used to endorse or promote products derived
      from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

如何在堆栈中创建项目模板？

How to create project template in stack?

haskell

haskell-stack