Deprecate cache input (#60)

README.md

@@ -23,7 +23,6 @@ This action is used by the [ESPHome publish workflow](https://github.com/esphome
 | `yaml-file`         | _None_        | The YAML file to be compiled.                                                           |
 | `version`           | `latest`      | The ESPHome version to build using.                                                     |
 | `platform`          | `linux/amd64` | The docker platform to use during build. (linux/amd64, linux/arm64, linux/arm/v7)       |
-| `cache`             | `false`       | Whether to cache the build folder.                                                      |
 | `release-summary`   | _None_        | A small summary of the release that will be added to the manifest file.                 |
 | `release-url`       | _None_        | A URL to the release page that will be added to the manifest file.                      |
 | `complete-manifest` | `false`       | Whether to output a complete manifest file. Defaults to output a partial manifest only. |

action.yml

@@ -17,6 +17,10 @@ inputs:
     description: Cache build directory
     required: false
     default: false
+    deprecationMessage: |
+      There is little to no gain in caching the build directory as
+      ESPHome will wipe the build artifacts in most cases for releases.
+      This will be removed in a future release.
   release-summary:
     description: Release summary
     required: false
@@ -67,6 +71,7 @@ runs:
         tags: esphome:${{ inputs.version }}
         build-args: VERSION=${{ inputs.version }}
         platforms: ${{ inputs.platform }}
+
     - if: ${{ inputs.cache == 'true' }}
       id: data-dir
       shell: bash
@@ -93,6 +98,7 @@ runs:
         path: ${{ steps.data-dir.outputs.data_dir }}/storage
         key: ${{ runner.os }}-esphome-${{ inputs.yaml-file }}-${{ inputs.version }}-storage
         save-always: true
+
     - name: Run container
       shell: bash
       id: build-step