问题描述
在official guide之后ob deploy push进入我的EC2实例时遇到麻烦。虽然它适用于默认项目，但是如果我添加一个名为nave（code here）的git子模块并将其作为对前端的依赖项，它似乎会中断。调试日志的相关部分似乎是：
building '/nix/store/kw439gbfkjjim9c31xmf244bgsi14b0w-cabal2nix-nave.drv'...
installing
unpacking...
tar: This does not look like a tar archive
tar: Exiting with failure status due to prevIoUs errors
error: program 'tar' Failed with exit code 2
error: unable to download '/nix/store/jbcjcrr3qppah27p4k5jzn2kdz1gwhnj-nave': URL using bad/illegal format or missing URL (3)
** need a revision for VCS when the hash is given. skipping.
** need a revision for VCS when the hash is given. skipping.
** need a revision for VCS when the hash is given. skipping.
** need a revision for VCS when the hash is given. skipping.
cabal2nix: user error (Failed to fetch source. Does this source exist? Source {sourceUrl = "/nix/store/jbcjcrr3qppah27p4k5jzn2kdz1gwhnj-nave",sourceRevision = "",sourceHash = Guess "",sourceCabalDir = ""})
builder for '/nix/store/kw439gbfkjjim9c31xmf244bgsi14b0w-cabal2nix-nave.drv' Failed with exit code 1
error: build of '/nix/store/kw439gbfkjjim9c31xmf244bgsi14b0w-cabal2nix-nave.drv' Failed
(use '--show-trace' to show detailed location information)
解决方法
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