Add "publish" script (#10)

packages/macos-at-driver-server/MAINTAINING.md

@@ -9,8 +9,13 @@ copied into place from a shared directory during publication time.
 - macOS version 13 ("Ventura") or later
 - Xcode
 - Node.js version 18 or later
+- a valid GitHub personal access token with Read and Write access to the
+  "Contents" permission
 
 ## Packaging Instructions
 
 1. Build the Xcode project
-2. Run `npm publish`
+2. Execute the following command in a terminal, substituting a valid token
+   value for `token-value`:
+
+       $ GITHUB_API_TOKEN=token-value ./publish.sh`

packages/macos-at-driver-server/publish.sh

@@ -0,0 +1,46 @@
+#!/usr/bin/env bash
+#
+# Based on "upload-github-release-asset.sh" by Stefan Buck
+# https://gist.github.com/stefanbuck/ce788fee19ab6eb0b4447a85fc99f447
+
+set -euo pipefail
+
+repo_owner=bocoup
+repo_name=at-driver-servers
+tag_version=$(node -p "require('./package.json').version")
+tag_name="v${tag_version}"
+package_name=$(npm pack)
+
+# Define variables.
+gh_api="https://api.github.com"
+repo_address="$gh_api/repos/$repo_owner/$repo_name"
+gh_tags="$repo_address/releases/tags/$tag_name"
+auth="Authorization: token $GITHUB_API_TOKEN"
+
+# Validate token.
+curl -o /dev/null -sH "$auth" $repo_address || \
+  { echo "Error: Invalid repo, token or network issue!" >&2; exit 1; }
+
+echo "Crating release \"${tag_name}\"..."
+
+response=$(curl -L \
+  -X POST \
+  -H "Accept: application/vnd.github+json" \
+  -H "Authorization: token $GITHUB_API_TOKEN" \
+  -H "X-GitHub-Api-Version: 2022-11-28" \
+  ${repo_address}/releases \
+  -d '{"tag_name":"'${tag_name}'","name":"'${tag_name}'","body":"Description of the release","draft":false,"prerelease":false,"generate_release_notes":false}')
+
+id=$(echo $response | python3 -c 'import json; import sys; print(json.loads(sys.stdin.read())["id"])')
+
+# Upload asset
+echo "Uploading asset \"${package_name}\"..."
+
+# Construct url
+GH_ASSET="https://uploads.github.com/repos/$repo_owner/$repo_name/releases/$id/assets?name=${package_name}"
+
+curl \
+  --data-binary @"${package_name}" \
+  -H "Authorization: token $GITHUB_API_TOKEN" \
+  -H "Content-Type: application/octet-stream" \
+  $GH_ASSET