action.yml

name: 'Upload GitHub release assets'
description: 'Upload file to GitHub release assets'
inputs:
  tag:
    description: 'git tag'
    required: true
    default: ${{ github.ref }}
  asset-path:
    description: 'file path to be uploaded'
    required: true
    default: ''
runs:
  using: "composite"
  steps:
    - run: |
        GH_RELEASE=$(sed s#/refs/tags## <<< "https://api.github.com/repos/${{ github.repository }}/releases/tags/${{ inputs.tag }}")
        upload_url=$(curl -s --request GET --url $GH_RELEASE | grep -oP '(?<="upload_url": ")[^"]*' | cut -d'{' -f1)
        j=0
        if [ -d ${{ inputs.asset-path }} ]; then
            for filename in `ls ${{ inputs.asset-path }}`;
            do
                folder_list[j]=${{ inputs.asset-path }}/$filename
                j=`expr $j + 1`
            done
        else
            folder_list[0]=${{ inputs.asset-path }}
        fi
        echo "Uploading asset... "
        for filepath in ${folder_list[@]};
        do
            filename=$(basename "${filepath}")
            content_type=$(file -b --mime-type ${filepath})
            curl --silent \
                --request POST \
                --url "$upload_url?name=$filename" \
                --header "authorization: Bearer ${{ github.token }}" \
                --header "content-type: $content_type" \
                --data-binary @"${filepath}"
        done
      shell: bash