Checksum pinning

[pd93]

Description

As discussed in #1317 (comment), there is currently no way to pin checksums of included taskfiles. This issues tracks this feature request.

Pinning would allow users to ensure the contents of their Taskfiles are constant and trusted by performing a checksum hash on the file before reading it and comparing it to a given checksum in the include block of the parent Taskfile. For example:

version: '3'

includes:
  included:
    taskfile: https://taskfile.dev
    internal: true
    checksum: c153e97e0b3a998a7ed2e61064c6ddaddd0de0c525feefd6bba8569827d8efe9

tasks:
  default:
    cmds:
      - task: included:default

This example requires the Remote Taskfiles experiments to be enabled. However, this will work for local files too. In this example, we would no longer get prompted to check if we trust the contents of the file as we have already verified its contents by providing a checksum.

[joeblew999]

same as this I think. #2194