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Create

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prototool create creates Protobuf files from a template. With the provided Vim integration, this will automatically create new files that pass lint when a new file is opened.

Assuming the filename example_create_file.proto, the file will look like the following:

syntax = "proto3";

package some.pkg;

option go_package = "pkgpb";
option java_multiple_files = true;
option java_outer_classname = "ExampleCreateFileProto";
option java_package = "com.some.pkg.pb";

If using the uber2 lint group, the file will look like the following:

syntax = "proto3";

package some.pkg.v1;

option csharp_namespace = "Some.Pkg.V1"
option go_package = "pkgv1";
option java_multiple_files = true;
option java_outer_classname = "ExampleCreateFileProto";
option java_package = "com.some.pkg.v1";
option objc_class_prefix = "SPX";
option php_namespace = "Some\\Pkg\\V1";

This matches what the linter expects, and closely matches the Google Cloud APIs File Structure.

The package some.pkg will be computed as follows:

  • If --package is specified, some.pkg will be the value passed to --package.
  • Otherwise, if there is no prototool.yaml or prototool.json that would apply to the new file, use uber.prototool.generated, or uber.prototool.generated.v1 if using the uber2 lint group.
  • Otherwise, if there is a prototool.yaml or prototool.json file, check if it has a packages setting under the create section (see etc/config/example/prototool.yaml for an example). If it does, this package, concatenated with the relative path from the directory with the prototool.yaml or prototool.json file will be used.
  • Otherwise, if there is no packages directive, just use the relative path from the directory with the prototool.yaml or prototool.json file. If the file is in the same directory as the prototool.yaml file, use uber.prototool.generated or uber.prototool.generated.v1.

For example, assume you have the following file at repo/prototool.yaml:

create:
  packages:
    - directory: idl
      name: uber
    - directory: idl/baz
      name: special
  • prototool create repo/idl/foo/bar/bar.proto will have the package uber.foo.bar.
  • prototool create repo/idl/bar.proto will have the package uber.
  • prototool create repo/idl/baz/baz.proto will have the package special.
  • prototool create repo/idl/baz/bat/bat.proto will have the package special.bat.
  • prototool create repo/another/dir/bar.proto will have the package another.dir.
  • prototool create repo/bar.proto will have the package uber.prototool.generated.

This is meant to mimic what you generally want - a base package for your idl directory, followed by packages matching the directory structure.

Note you can override the directory that the prototool.yaml or prototool.json file is in as well. If we update our file at repo/prototool.yaml to this:

create:
  packages:
    - directory: .
      name: foo.bar

Then prototool create repo/bar.proto will have the package foo.bar, and prototool create repo/another/dir/bar.proto will have the package foo.bar.another.dir.