I’m trying to cache my _site files when I build my Jekyll site using this:

  # Use GitHub Actions' cache to cache site on servers
  - uses: actions/cache@v2
    with:
      path: _site
      key: ${{ runner.os }}-site-${{ hashFiles('**/index.html') }}
      restore-keys: |
        ${{ runner.os }}-site-

datapolitical/chrisfnicholson.github.io/blob/1be6c49ebfa3861869820e4f2ef18f4a449b48b2/.github/workflows/build-jekyll.yml

name: Build and Deploy to Github Pages
on:

push:

branches:

- main  # Here source code branch is master, it could be other branch

workflow_dispatch:
jobs:

build_and_deploy:

runs-on: ubuntu-20.04

steps:

- name: 'Wait for status checks'

id: waitforstatuschecks

uses: "WyriHaximus/github-action-wait-for-status@v1.2"

with:

ignoreActions: build_and_deploy

checkInterval: 10

env:

GITHUB_TOKEN: "${{ secrets.GITHUB_TOKEN }}"

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Unfortunately when it runs I get:

Received 22 of 22 (100.0%), 0.0 MBs/sec
Cache Size: ~0 MB (22 B).

Not clear what’s going wrong. Is the path incorrect?