Question

这是我第一次使用命令：

$ mix deps.get

这是输出：

Could not find Hex, which is needed to build dependency :ecto
Shall I install Hex? (if running non-interactively, use "mix local.hex --force") [Yn] Y
* creating /Users/7stud/.kiex/mix/archives/elixir-1.4.1/hex-0.18.1
Resolving Hex dependencies...
Dependency resolution completed:
New:
  connection 1.0.4
  db_connection 1.1.3
  decimal 1.5.0
  ecto 2.2.10
  poolboy 1.5.1
  postgrex 0.13.5
* Getting ecto (Hex package)
* Getting postgrex (Hex package)
* Getting connection (Hex package)
* Getting db_connection (Hex package)
* Getting decimal (Hex package)
* Getting poolboy (Hex package)


~/elixir_programs/friends$ iex
Erlang/OTP 20 [erts-9.3] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:10] [hipe] [kernel-poll:false]

Interactive Elixir (1.6.6) - press Ctrl+C to exit (type h() ENTER for help)
iex(1)> 

^C$ which iex
/Users/7stud/.asdf/shims/iex

$ which elixir
/Users/7stud/.asdf/shims/elixir

$ asdf current
elixir         1.6.6   (set by /Users/7stud/.tool-versions)
erlang         20.3    (set by /Users/7stud/.tool-versions)

$ asdf list elixir
1.6.6

$ asdf list erlang
20.3

我使用otp 20.3软件包管理器安装了elixir 1.6.6和asdf：

^C$ which iex
/Users/7stud/.asdf/shims/iex

$ which elixir
/Users/7stud/.asdf/shims/elixir

$ asdf current
elixir         1.6.6   (set by /Users/7stud/.tool-versions)
erlang         20.3    (set by /Users/7stud/.tool-versions)

$ asdf list elixir
1.6.6

$ asdf list erlang
20.3

我不在乎我使用什么软件包管理器。如何确定elixir 1.6.6中安装了类似Hex之类的东西？我什至在系统上都找不到elixir 1.4.1：

$ elixir -v
Erlang/OTP 20 [erts-9.3] [source] [64-bit] [smp:4:4] [ds:4:4:10] [async-threads:10] [hipe] [kernel-poll:false]

Elixir 1.6.6 (compiled with OTP 19)

那么Hex安装程序是如何找到elixir 1.4.1的？

如果我删除.bash_profile中安装asdf shims的行，然后打开一个新的终端窗口，这就是我得到的：

~$ which elixir
/Users/7stud/.kiex/elixirs/elixir-1.4.1/bin/elixir

~$ which mix
/Users/7stud/.kiex/elixirs/elixir-1.4.1/bin/mix
~$

我在Google上搜索了.kiex，看来我一定已经安装了kiex的elixir版本管理器。

我的.bash_profile中还有些行安装了kiex垫片。我注释掉了kiex的行，而未注释了asdf垫片的行，然后打开了一个新的终端窗口，然后再次尝试了mix命令：

$mix deps.get 
Could not find Hex, which is needed to build dependency :ecto
Shall I install Hex? (if running non-interactively, use "mix local.hex --force") [Yn] Y
* creating /Users/7stud/.asdf/installs/elixir/1.6.6/.mix/archives/hex-0.18.1
Resolving Hex dependencies...
Dependency resolution completed:
Unchanged:
  connection 1.0.4
  db_connection 1.1.3
  decimal 1.5.0
  ecto 2.2.10
  poolboy 1.5.1
  postgrex 0.13.5
All dependencies up to date

成功。

下一个问题：

~/elixir_programs/friends$ mix exto.gen.repo -r Friends.Repo
==> connection
Compiling 1 file (.ex)
Generated connection app
==> friends
Could not find "rebar", which is needed to build dependency :poolboy
I can install a local copy which is just used by Mix
Shall I install rebar? (if running non-interactively, use "mix local.rebar --force") [Yn]

但是，在另一个终端窗口中：

$ which rebar
/usr/local/bin/rebar

~$ rebar --version
rebar 2.6.4 19 20170625_072305 git 2.6.4-6-g2a52f60

~$ which rebar3
/usr/local/bin/rebar3

~$ rebar3 --version
rebar 3.0.0-beta.4+build.3189.ref21ae314 on Erlang/OTP 20 Erts 9.3

那么，为什么不能混合找到我的螺纹钢？

Answer 1

从您的评论看来，kiex与asdf冲突。

从您的kiex删除对.bash_profile的引用，并且asdf垫片应能正常工作。

mix deps.get：十六进制安装到错误的elixir版本中

1 个答案: