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Shelly — very dumb PowerShell script analyzer

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Shelly — very dumb PowerShell script analyzer

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A tool to quickly detect invalid or missing imports in powershell scripts.

What it does:

  • Validate dot imports (eg. . $PSScriptRoot/Foo.ps1)
  • Verify which functions/commandlets are in scope
  • Warn on "indirect imports"
  • Know about some builtins
  • Partially parses and understands PowersShell syntax
  • Understands case-insensitivity

What it does not

  • Support modules
  • Everything else

Installation

Just download a binary (either for Linux or Windows) for Releases page.

Building

Install Rust following the instructions on http://rust-lang.org, (1.26 or later), restart your console, then run:

cargo install --git https://github.com/krdln/shelly

To update, add a --force flag.

Usage

Run shelly in the root of your code.

Note: An error in earlier stage of analysis may cause consecutive stages not to run.

Silencing errors

To silence the error, add a comment with allow lint-name, eg:

# This function is injected into scope in some weird way,
# not with regular imports.
Magic-Function # allow unknown-functions
# or to be more specific:
Magic-Function # allow unknown-functions(Magic-Function)

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