capture-env¶

Captures the value of environment variables.

Use Cases¶

• Record which executables were available (PATH)
• Save environment-based configuration (e.g., CUDA_VISIBLE_DEVICES)
• Debug environment issues
• Track user context (e.g., USER, HOME)

Configuration¶

Required Options¶

Example¶

[[pre-run.hooks]]
id = "capture-env"
name = "PATH"

Output Example¶

When Variable Exists¶

{
  "__meta": {
    "id": "capture-env",
    "config": {
      "name": "PATH"
    },
    "success": true
  },
  "value": "/usr/local/bin:/usr/bin:/bin"
}

When Variable Doesn't Exist¶

{
  "__meta": {
    "id": "capture-env",
    "config": {
      "name": "MY_VAR"
    },
    "success": true
  },
  "value": null
}