142 lines
3.6 KiB
Bash
Executable File
142 lines
3.6 KiB
Bash
Executable File
#!/bin/bash
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SCRIPT_NAME="$(basename ${BASH_SOURCE[0]})"
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pushd $(dirname ${BASH_SOURCE[0]}) > /dev/null
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SCRIPT_DIR=$(pwd)
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pushd ../.. > /dev/null
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SOURCE_DIR=$(pwd)
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popd > /dev/null
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pushd ../functions > /dev/null
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FN_DIR=$(pwd)
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popd > /dev/null
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popd > /dev/null
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source "${SCRIPT_DIR}/functions.sh"
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function usage {
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cat <<-EOF
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Usage: ${SCRIPT_NAME} [<options ...>] <proto filepath>
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Description:
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This script will build generate the Go files from protobuf files. In addition to
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just running the correct protoc generator it will also fixup build tags in the
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generated code.
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Options:
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--import-replace Replace imports of google types with those from the gogo/protobuf repo.
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--generator Which generator to use: gogo, gofast etc. Defaults to gofast.
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--grpc Enable the gRPC plugin
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-h | --help Print this help text.
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EOF
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}
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function err_usage {
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err "$1"
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err ""
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err "$(usage)"
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}
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function main {
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local generator=gofast
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local -i grpc=0
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local -i imp_replace=0
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local proto_path=
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while test $# -gt 0
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do
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case "$1" in
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-h | --help )
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usage
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return 0
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;;
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generator )
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if test -z "$2"
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then
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err_usage "ERROR: option -g/--generator requires an argument"
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return 1
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fi
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generator="$2"
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shift 2
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;;
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--grpc )
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grpc=1
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shift
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;;
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--import-replace )
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imp_replace=1
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shift
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;;
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* )
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proto_path="$1"
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shift
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;;
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esac
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done
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if test -z "${proto_path}"
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then
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err_usage "ERROR: No proto file specified"
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return 1
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fi
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local gogo_proto_path=$(go list -f '{{ .Dir }}' -m github.com/gogo/protobuf)
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local gogo_proto_mod_path=$(sed -e 's,\(.*\)github.com.*,\1,' <<< "${gogo_proto_path}")
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local gogo_proto_imp_replace="Mgoogle/protobuf/timestamp.proto=github.com/gogo/protobuf/types"
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gogo_proto_imp_replace="${gogo_proto_imp_replace},Mgoogle/protobuf/duration.proto=github.com/gogo/protobuf/types"
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gogo_proto_imp_replace="${gogo_proto_imp_replace},Mgoogle/protobuf/empty.proto=github.com/gogo/protobuf/types"
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gogo_proto_imp_replace="${gogo_proto_imp_replace},Mgoogle/api/annotations.proto=github.com/gogo/googleapis/google/api"
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gogo_proto_imp_replace="${gogo_proto_imp_replace},Mgoogle/protobuf/field_mask.proto=github.com/gogo/protobuf/types"
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local proto_go_path=${proto_path%%.proto}.pb.go
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local go_proto_out=""
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local sep=""
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if is_set "${grpc}"
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then
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go_proto_out="plugins=grpc"
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sep=","
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fi
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if is_set "${imp_replace}"
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then
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go_proto_out="${go_proto_out}${sep}${gogo_proto_imp_replace}"
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fi
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if test -n "${go_proto_out}"
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then
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go_proto_out="${go_proto_out}:"
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fi
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local -i ret=0
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status_stage "Generating ${proto_go_path} from ${proto_path}"
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debug_run protoc \
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-I="$(dirname ${proto_path})" \
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-I="${gogo_proto_path}/protobuf" \
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-I="${gogo_proto_path}" \
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-I="${gogo_proto_mod_path}" \
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--${generator}_out="${go_proto_out}$(dirname ${proto_path})" \
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"${proto_path}"
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if test $? -ne 0
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then
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err "Failed to generate ${proto_go_path} from ${proto_path}"
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return 1
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fi
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BUILD_TAGS=$(sed -e '/^[:space:]*$/,$d' < "${proto_path}" | grep '// +build')
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if test -n "${BUILD_TAGS}"
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then
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echo -e "${BUILD_TAGS}\n" >> "${proto_go_path}.new"
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cat "${proto_go_path}" >> "${proto_go_path}.new"
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mv "${proto_go_path}.new" "${proto_go_path}"
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fi
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return 0
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}
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main "$@"
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exit $?
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