"dependencies": {
  "mint-ui": {
    "repository": "https://github.com/mint-lang/mint-ui",
    "constraint": "8.0.0 <= v < 9.0.0"
  }
}

mint install
Mint - Installing dependencies
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⚙ Constructing dependency tree...

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░ ERROR (REPOSITORY_COULD_NOT_UPDATE) ░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░░

I could not update the repository: https://github.com/mint-lang/mint-ui.git

The error I got from the git command is this:

fatal: not a git repository (or any of the parent directories): .git

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There was an error, exiting...

  "dependencies": {
    "mint-ui": {
      "repository": "git@github.com:mint-lang/mint-ui.git",
      "constraint": "8.0.0 <= v < 9.0.0"
    }
  }

mint install
Mint - Installing dependencies
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
⚙ Constructing dependency tree...
  ✔ Updated mint-ui (git@github.com:mint-lang/mint-ui.git)

⚙ Resolving dependency tree...

━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

Missing hash key: "mint-color" (KeyError)
  from /Users/jhf/bin/mint in 'Exception::CallStack::unwind:Array(Pointer(Void))'
  from /Users/jhf/bin/mint in 'Exception::CallStack#initialize:Array(Pointer(Void))'
  from /Users/jhf/bin/mint in 'Exception::CallStack::new:Exception::CallStack'
  from /Users/jhf/bin/mint in 'raise<KeyError>:NoReturn'
  from /Users/jhf/bin/mint in 'Hash(String, Mint::Installer::Repository)+@Hash(K, V)#[]<String>:Mint::Installer::Repository'
  from /Users/jhf/bin/mint in 'Mint::Installer#solve<NamedTuple(name: String, version: String)>:Nil'
  from /Users/jhf/bin/mint in 'Mint::Installer#solve<NamedTuple(name: String, version: String)>:Nil'
  from /Users/jhf/bin/mint in 'Mint::Installer#solve:Nil'
  from /Users/jhf/bin/mint in 'Mint::Installer#solve<NamedTuple(name: String, version: String)>:Nil'
  from /Users/jhf/bin/mint in 'Mint::Installer#solve:Nil'
  from /Users/jhf/bin/mint in 'Mint::Installer#initialize:Nil'
  from /Users/jhf/bin/mint in 'Mint::Installer::new:Mint::Installer'
  from /Users/jhf/bin/mint in 'Mint::Cli::Install#run:(Mint::Installer | Nil)'
  from /Users/jhf/bin/mint in 'Mint::Cli::Install#parse_and_run:Nil'
  from /Users/jhf/bin/mint in 'Mint::Cli::Install::run:parent:program_name<Array(Admiral::StringValue), Mint::Cli, String>:Nil'
  from /Users/jhf/bin/mint in 'Mint::Cli::SubCommands#invoke:parent<Array(Admiral::StringValue), Mint::Cli>:Nil'
  from /Users/jhf/bin/mint in 'Mint::Cli::SubCommands::invoke:parent<String, Array(Admiral::StringValue), Mint::Cli>:Nil'
  from /Users/jhf/bin/mint in 'Mint::Cli#sub<String, Array(Admiral::StringValue)>:Nil'
  from /Users/jhf/bin/mint in 'Mint::Cli#parse_and_run:Nil'
  from /Users/jhf/bin/mint in 'Mint::Cli::run:Nil'
  from /Users/jhf/bin/mint in '__crystal_main'
  from /Users/jhf/bin/mint in 'Crystal::main_user_code<Int32, Pointer(Pointer(UInt8))>:Nil'
  from /Users/jhf/bin/mint in 'Crystal::main<Int32, Pointer(Pointer(UInt8))>:Int32'
  from /Users/jhf/bin/mint in 'main'
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
There was an error, exiting...

  "dependencies": {
    "mint-ui": {
      "repository": "git@github.com:mint-lang/mint-ui.git",
      "constraint": "8.0.0 <= v < 9.0.0"
    },
    "mint-color": {
      "repository": "git@github.com:mint-lang/mint-color",
      "constraint": "0.10.0 <= v < 1.0.0"
    }
  }

mint install
Mint - Installing dependencies
━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
⚙ Constructing dependency tree...
  ✔ Updated mint-ui (git@github.com:mint-lang/mint-ui.git)
  ✔ Updated mint-color (git@github.com:mint-lang/mint-color)

⚙ Resolving dependency tree...
  ◈ mint-ui ➔ 8.0.0
  ◈ mint-color ➔ 0.10.1

⚙ Copying packages...
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All done in 3.218s!