Download last release with specifying your GH token in standin

download_last_release.sh

#!/usr/bin/env bash
#
# This script downloads an asset from latest or specific Github release of a
# private repo.
#
# PREREQUISITES
#
# curl, wget, jq
#
# USAGE
#
# Set all the variables inside the script, make sure you chmod +x it, then run
# it to download latest version

read -sp "Your github token: " TOKEN

if [ -z "$TOKEN" ]
then
  echo -e "\nYou need to provide a valid github token"
else
    REPO="{{REPOSITORY}}"
    FILE="{{FILENAME}}"
    VERSION="latest"
    GITHUB="https://api.github.com"

    alias errcho='>&2 echo'

    function gh_curl() {
        curl -H "Authorization: token $TOKEN" \
             -H "Accept: application/vnd.github.v3.raw" \
             $@
    }

    if [ "$VERSION" = "latest" ]; then
        # Github should return the latest release first.
        parser=".[0].assets | map(select(.name == \"$FILE\"))[0].id"
    else
        parser=". | map(select(.tag_name == \"$VERSION\"))[0].assets | map(select(.name == \"$FILE\"))[0].id"
    fi;

    asset_id=`gh_curl -s $GITHUB/repos/$REPO/releases | jq "$parser"`
    if [ "$asset_id" = "null" ]; then
        echo "ERROR: version not found $VERSION"
        exit 1
    fi;

    wget -q --auth-no-challenge --header='Accept:application/octet-stream' \
         https://$TOKEN:@api.github.com/repos/$REPO/releases/assets/$asset_id
fi