protoc-wrapper

#!/usr/bin/env bash
c_out=""
includes=()
outs=()
args=()

for arg in $@; do
    case $arg in
        --c_out=*)
            c_out=${arg}
            shift
            ;;
        --*_out=*)
            outs+=(${arg})
            shift
            ;;
        -I*|--proto_path=*)
            includes+=(${arg})
            shift
            ;;
        *)
            args+=(${arg})
            ;;
    esac
done

if [ ${#includes[@]} -eq 0 ]; then
    # replicate protoc behavior
    includes+=("-I.")
fi

protoc_cmd="protoc ${includes[@]} ${outs[@]} ${args[@]}"
protoc_c_cmd="protoc-c ${includes[@]} ${c_out} ${args[@]}"

if [ ${c_out} ]; then
    if [ ${#outs[@]} -eq 0 ]; then
        # only --c_out specified, no need to call `protoc`
        exec ${protoc_c_cmd}
    fi
    ${protoc_c_cmd} || exit 1
    exec ${protoc_cmd}
fi
exec ${protoc_cmd}