label.Parse fails on labels with hyphens in the repository name

[facundominguez]

What version of gazelle are you using?

v0.23.0

What version of rules_go are you using?

v0.27.0

What version of Bazel are you using?

4.1.0

Does this issue reproduce with the latest releases of all the above?

Yes.

What operating system and processor architecture are you using?

nixos x86_64

What did you do?

lbl, err := label.Parse("@stackage-exe//tasty-discover:tasty-discover")
if err != nil {
    log.Fatal(err)
}

What did you expect to see?

I expected the label to be parsed since hyphens are accepted in repository names by bazel.
bazelbuild/bazel#11837
bazelbuild/bazel@e574d55

What did you see instead?

gazelle: label parse error: repository has invalid characters: "@stackage-exe//tasty-discover:tasty-discover"

[robfig]

Thanks for the issue report. I believe this can resolved by a simple change to //label/label.go. Are you interested in putting up a PR?

[facundominguez]

I have a workaround that is good enough for my use case, but I offer to test a fix when one is available.