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Add Dependency

Add a dependency to your project by using acton pkg add. The usual flow is to refresh the public package index first:

acton pkg update

Then add the dependency by package name:

acton pkg add foo

You can also provide a GitHub repository URL directly. The first argument is still the local dependency name:

In this case we add the example foo package as a dependency.

acton pkg add foo --repo-url https://github.com/actonlang/foo --repo-ref main

This will fetch the dependency and add it to the dependencies block in Build.act, resulting in something like:

dependencies = {
  "foo": (
        repo_url="https://github.com/actonlang/foo",
        repo_ref="main",
        url="https://github.com/actonlang/foo/archive/0123456789abcdef0123456789abcdef01234567.zip",
        hash="1220cd47344f8a1e7fe86741c7b0257a63567b4c17ad583bddf690eedd672032abdd",
    ),
}

zig_dependencies = {}

Note

It is possible to edit Build.act by hand, but adding dependencies requires filling in the hash field, which is somewhat tricky.

The foo package provides a single foo module with a foo function (that appropriately returns foo). We can now access it from our main actor:

import foo

actor main(env):
    print(foo.foo())
    env.exit(0)