add upload-resources-to-github.202132.xyz script

Makefile

@@ -139,6 +139,10 @@ create-release-prep-pr: $(GUM) ## Update version numbers in documents and open a
 create-release-prep-pr-draft: $(GUM) ## Update version numbers in documents and open a draft PR.
 	@PATH="$(BIN_DIR):$(PATH)" $(PROJECT_DIR)/scripts/prepare-for-release.sh -d
 
+.PHONY: upload-resources-to-github
+upload-resources-to-github: ## Upload contents of resources/ as part of the most recent published release.
+	@$(PROJECT_DIR)/scripts/upload-resources-to-github.sh
+
 .PHONY: latest-release-tag
 latest-release-tag: ## Get tag of most recent release.
 	@git describe --tags --abbrev=0 v2

scripts/upload-resources-to-github.sh

@@ -0,0 +1,126 @@
+#!/usr/bin/env bash
+
+set -euo pipefail
+
+repo_root_path="$(cd "$(dirname "$0")"; cd ..; pwd -P)"
+makefile_path="${repo_root_path}/Makefile"
+
+if ! command -v jq >/dev/null; then
+    echo "error: required executable 'jq' not found" >&2
+    exit 1
+fi
+
+if [[ -z "${GITHUB_TOKEN:-}" ]]; then
+    echo "error: environment variable 'GITHUB_TOKEN' is undefined or empty" >&2
+    exit 1
+fi
+
+github_authorization_header="Authorization: token ${GITHUB_TOKEN}"
+
+github_repo_full_name="$(make -s -f "${makefile_path}" repo-full-name)"
+version="$(make -s -f "${makefile_path}" version)"
+
+usage=$(cat << EOM
+usage: $(basename "$0") -h | [-r REPOSITORY] [-v VERSION]
+
+    Upload static resources to GitHub for latest release.
+
+    Options:
+        -h             Display this help message then exit.
+        -r REPOSITORY  GitHub full repository name. Defaults to "${github_repo_full_name}".
+        -v VERSION     Release version number. Defaults to "${version}".
+
+EOM
+)
+
+while getopts "r:v:h" opt; do
+    case "${opt}" in
+        r ) github_repo_full_name="${OPTARG}"
+            ;;
+        v ) version="${OPTARG}"
+            ;;
+        h ) echo "${usage}"
+            exit 0
+            ;;
+        \?) echo "${usage}" >&2
+            exit 1
+            ;;
+    esac
+done
+
+assert_not_empty() {
+    if [[ -z "${!1}" ]]; then
+        echo "error: missing argument ${1}" >&2
+        echo "${usage}" >&2
+        exit 1
+    fi
+}
+
+assert_not_empty github_repo_full_name
+assert_not_empty version
+
+#################################################
+
+release_id="$(curl \
+    -s \
+    -H "${github_authorization_header}" \
+    "https://api.github.com/repos/${github_repo_full_name}/releases" | \
+        jq --arg ver "${version}" '.[] | select(.tag_name==$ver) | .id')"
+
+if [[ -z "${release_id}" ]]; then
+    echo "error: no release id found" >&2
+    exit 1
+fi
+
+#################################################
+
+uploaded_asset_ids=()
+
+rollback() {
+    echo -e "⚠️  Attempting to roll back"
+
+    for asset_id in "${uploaded_asset_ids[@]}"; do
+        curl -X DELETE \
+            -H "${github_authorization_header}" \
+            "https://api.github.com/repos/${github_repo_full_name}/releases/assets/${asset_id}" && \
+        echo -e "✅ Deleted asset with ID ${asset_id}" || \
+        echo -e "❌ Failed to delete asset with ID ${asset_id}"
+    done
+}
+
+trap rollback EXIT
+
+#################################################
+
+upload_asset() {
+    local resource="$1"
+    output="$(curl \
+        -H "${github_authorization_header}" \
+        -H "Content-Type: $(file -b --mime-type "${resource}")" \
+        --silent \
+        --data-binary @${resource} \
+        --write-out '%{http_code}' \
+        "https://uploads.github.com/repos/${github_repo_full_name}/releases/${release_id}/assets?name=$(basename ${resource})")"
+
+    local resp_code="$(echo $output | sed 's/.*}//')"
+    local resp_content="$(echo $output | sed "s/$resp_code//")"
+
+    if [[ $resp_code -ne 201 ]]; then
+        echo -e "❌ Failed to upload ${resource}"
+        echo "  Status code: ${resp_code}"
+        echo "  Response   : ${resp_content}"
+        return 1
+    fi
+
+    local asset_id="$(echo $resp_content | jq '.id')"
+    uploaded_asset_ids+=("${asset_id}")
+    echo -e "✅ Uploaded ${resource} (asset ID ${asset_id})"
+}
+
+for f in $(find "${repo_root_path}/resources" -type f -maxdepth 1); do
+    upload_asset "${f}"
+done
+
+# Now that the assets have been uploaded there is no need to rollback
+# if any subsequent commands fail.
+trap - EXIT