Modernize Regenerate Script

bin/regenerate.sh

@@ -5,11 +5,75 @@ BIN_DIR="$( dirname "$SCRIPT" )"
 ROOT_DIR="$( dirname "$BIN_DIR" )"
 LIB_DIR="$ROOT_DIR/lib"
 PROTO_ROOT="$ROOT_DIR/priv/proto"
+API_VERSION_FILE="$ROOT_DIR/API_VERSION"
 
 set -eu
 
+store_lib () {
+  URL="$1"
+  FILE="$2"
+  ROOT_DIR="$( dirname "$FILE" )"
+
+  gh_curl "$URL" \
+    --output "$FILE" \
+    --fail \
+    --silent
+}
+
+list_files () {
+  REPO="$1"
+  REPO_PATH="$2"
+
+  gh_curl "https://api.github.com/repos/$REPO/contents/$REPO_PATH" \
+    --fail \
+    --silent \
+    | jq \
+      '.[] | select(.name | endswith(".proto")) .name' \
+      --raw-output
+}
+
+download_files () {
+  REPO="$1"
+  REPO_PATH="$2"
+  LOCAL_PATH="$3"
+  VERSION="$4"
+  TARGET_DIR="$PROTO_ROOT/$LOCAL_PATH"
+
+  echo >&2 "Downloading $REPO#$VERSION/$REPO_PATH to $TARGET_DIR"
+
+  mkdir -p "$TARGET_DIR"
+
+  list_files "$REPO" "$REPO_PATH" | while read FILE; do
+    store_lib "https://raw.githubusercontent.com/$REPO/$VERSION/$REPO_PATH/$FILE" "$TARGET_DIR/$FILE"
+  done
+}
+
+gh_curl () {
+  if [ -z "$GITHUB_TOKEN" ]; then
+    curl \
+      --fail \
+      --silent \
+      "$@"
+  else
+    curl \
+      --fail \
+      --silent \
+      --header "Authorization: Bearer $GITHUB_TOKEN" \
+      "$@"
+  fi
+}
+
+update_api_version () {
+  gh_curl https://api.github.com/repos/zitadel/zitadel/releases/latest \
+    | jq \
+      '.tag_name' \
+      --raw-output \
+      > "$API_VERSION_FILE"
+}
+
 echo >&2 "Zitadel API Version"
-API_VERSION="$( sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' "$ROOT_DIR/API_VERSION" )"
+update_api_version
+API_VERSION="$( sed -e 's/^[[:space:]]*//' -e 's/[[:space:]]*$//' "$API_VERSION_FILE" )"
 echo >&2 "$API_VERSION"
 
 echo >&2 "Remove Old Source Code"
@@ -22,30 +86,28 @@ echo >&2 "Ensure Target Directories exist"
 mkdir -p "$LIB_DIR"
 mkdir -p "$PROTO_ROOT"
 
-store_lib () {
-   DIR="$PROTO_ROOT/$1"
-   mkdir -p "$DIR"
-
-  (
-    cd "$DIR"
-    curl -O --fail --silent "$2"
-  )
-}
-
 echo >&2 "Download protofiles"
-ZITADEL_FILES="action.proto admin.proto app.proto auth.proto auth_n_key.proto change.proto idp.proto instance.proto management.proto member.proto message.proto metadata.proto object.proto options.proto org.proto policy.proto project.proto settings.proto system.proto text.proto user.proto v1.proto"
-for ZITADEL_FILE in $ZITADEL_FILES; do
-  store_lib zitadel "https://raw.githubusercontent.com/zitadel/zitadel/$API_VERSION/proto/zitadel/$ZITADEL_FILE"
-done
-OPENAPI_V2_FILES="annotations.proto openapiv2.proto"
-for OPENAPI_V2_FILE in $OPENAPI_V2_FILES; do
-  store_lib "protoc-gen-openapiv2/options" "https://raw.githubusercontent.com/grpc-ecosystem/grpc-gateway/master/protoc-gen-openapiv2/options/$OPENAPI_V2_FILE"
-done
-GOOGLE_API_FILES="annotations.proto http.proto"
-for GOOGLE_API_FILE in $GOOGLE_API_FILES; do
-  store_lib "google/api" "https://raw.githubusercontent.com/googleapis/googleapis/master/google/api/$GOOGLE_API_FILE"
-done
-store_lib "validate" "https://raw.githubusercontent.com/envoyproxy/protoc-gen-validate/v0.6.2/validate/validate.proto"
+
+download_files \
+  "zitadel/zitadel" \
+  "proto/zitadel" \
+  "zitadel" \
+  "$API_VERSION"
+download_files \
+  "grpc-ecosystem/grpc-gateway" \
+  "protoc-gen-openapiv2/options" \
+  "protoc-gen-openapiv2/options" \
+  "master"
+download_files \
+  "googleapis/googleapis" \
+  "google/api" \
+  "google/api" \
+  "master"
+download_files \
+  "bufbuild/protoc-gen-validate" \
+  "validate" \
+  "validate" \
+  "v0.6.7"
 
 if command -v protoc-gen-elixir > /dev/null; then
   echo >&2 "Elixir Protoc Plugin already installed"