I create umbrella project which has tow applications. Each Application has escript.
I tried to install by executing mix escript.install git https://github.com/xxxxx/cleaner.git.
But I cannnot installed.

mix escript.install git https://github.com/def-elixir/cleaner.git
* Getting new package (https://github.com/def-elixir/xxx.git)
remote: Enumerating objects: 38, done.
remote: Counting objects: 100% (38/38), done.
remote: Compressing objects: 100% (19/19), done.
remote: Total 38 (delta 7), reused 38 (delta 7), pack-reused 0
origin/HEAD set to develop
==> directory_cleaner
Compiling 1 file (.ex)
Generated directory_cleaner app
==> file_cleaner
Compiling 1 file (.ex)
Generated file_cleaner app
==> directory_cleaner
Generated escript directory_cleaner with MIX_ENV=prod
==> file_cleaner
Generated escript directory_cleaner with MIX_ENV=prod
==> new package
Are you sure you want to install "new package"? [Yn]
** (Mix) Expected "new package" to be a local file path

Usually it installed locally if correct as bellow

All dependencies are up to date
Compiling 1 file (.ex)
Generated test app
Generated escript hello with MIX_ENV=prod
Are you sure you want to install "hello"? [Yn] Y
* creating /Users/def_elixir/.mix/escripts/xxxx

Something wrong ?

./root
├── apps
│   ├── application A
│   │   ├── lib
│   │   └── test
│   └── application B
│       ├── lib
│       └── test
    

Root (mix.iex)

defmodule Cleaner.MixProject do
  use Mix.Project

  def project do
    [
      apps_path: "apps",
      version: "0.1.0",
      start_permanent: Mix.env() == :prod,
      deps: deps()
    ]
  end

  # Dependencies listed here are available only for this
  # project and cannot be accessed from applications inside
  # the apps folder.
  #
  # Run "mix help deps" for examples and options.
  defp deps do
    [
      {:credo, "~> 1.7.5", only: [:dev, :test], runtime: false}
    ]
  end
end

Application A (mix.iex)

defmodule DirectoryCleaner.MixProject do
  use Mix.Project

  def project do
    [
      app: :directory_cleaner,
      version: "0.1.0",
      build_path: "../../_build",
      config_path: "../../config/config.exs",
      deps_path: "../../deps",
      lockfile: "../../mix.lock",
      elixir: "~> 1.16",
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      escript: [main_module: DirectoryCleaner.CLI, name: "cleanup_all"],
    ]
  end

  # Run "mix help compile.app" to learn about applications.
  def application do
    [
      extra_applications: [:logger]
    ]
  end

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      # {:dep_from_hexpm, "~> 0.3.0"},
      # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"},
      # {:sibling_app_in_umbrella, in_umbrella: true}
    ]
  end
end

Application B (mix.iex)

defmodule FileCleaner.MixProject do
  use Mix.Project

  def project do
    [
      app: :file_cleaner,
      version: "0.1.0",
      build_path: "../../_build",
      config_path: "../../config/config.exs",
      deps_path: "../../deps",
      lockfile: "../../mix.lock",
      elixir: "~> 1.16",
      start_permanent: Mix.env() == :prod,
      deps: deps(),
      escript: [main_module: FileCleaner.CLI, name: "cleanup"],
    ]
  end

  # Run "mix help compile.app" to learn about applications.
  def application do
    [
      extra_applications: [:logger]
    ]
  end

  # Run "mix help deps" to learn about dependencies.
  defp deps do
    [
      # {:dep_from_hexpm, "~> 0.3.0"},
      # {:dep_from_git, git: "https://github.com/elixir-lang/my_dep.git", tag: "0.1.0"},
      # {:sibling_app_in_umbrella, in_umbrella: true}
    ]
  end
end