regenerate-code-from-schemas

#!/usr/bin/env bash

# MIT License
#
# Copyright © 2020 Darren Mo.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

if [ "$#" -ne 0 ]; then
   echo "Usage: \"$0\"" 1>&2
   exit 2
fi

SCRIPT_DIR="$(dirname "$BASH_SOURCE")"
cd "$SCRIPT_DIR"

BOLD_TEXT=$(tput bold)
RESET_TEXT=$(tput sgr0)
print-status() {
   echo "$BOLD_TEXT$1$RESET_TEXT" 1>&2
}

if ! command -v protoc > /dev/null 2>&1; then
   print-status "\`protoc\` not found. Installing Protobuf..."
   brew install protobuf \
      || exit 3
   print-status "Done installing Protobuf."
fi

print-status "Building \`protoc-gen-swift\`..."
SWIFT_BUILD_OPTIONS=(--product protoc-gen-swift --configuration release)
swift build "${SWIFT_BUILD_OPTIONS[@]}" \
   || exit 3
PROTOC_GEN_SWIFT="$(swift build --show-bin-path "${SWIFT_BUILD_OPTIONS[@]}")/protoc-gen-swift"
print-status "Done building \`$PROTOC_GEN_SWIFT\`."

SRCROOT="Sources/DMCoreLicensing"
SCHEMAS_DIR="$SRCROOT/Schemas"
GENERATED_FILES_DIR="$SRCROOT/Generated"

print-status "Removing existing generated Protobuf files at \`$GENERATED_FILES_DIR\`..."
rm -rf "$GENERATED_FILES_DIR"/*.pb.swift \
   || exit 1
print-status "Done removing existing generated Protobuf files."

print-status "Generating Protobuf files from schema files at \`$SCHEMAS_DIR\`..."
protoc --plugin="$PROTOC_GEN_SWIFT" \
   --proto_path="$SCHEMAS_DIR" --swift_out="$GENERATED_FILES_DIR" \
   "$SCHEMAS_DIR"/*.proto \
      || exit 1
print-status "Done generating Protobuf files."