"""Defines user configuration settings for building and publishing container images"""

OCIRegistryInfo = provider(
    doc = "A base OCI repository path to push to, controllable via Bazel build configuration.",
    fields = ["repo"],
)

def _oci_repo(ctx):
    repo = ctx.build_setting_value

    out = ctx.actions.declare_file("{0}.txt".format(ctx.label.name))
    ctx.actions.write(
        content = repo,
        output = out,
    )

    return [
        DefaultInfo(files = depset([out])),
        OCIRegistryInfo(repo = repo),
    ]

oci_repo = rule(
    implementation = _oci_repo,
    # This line separates a build setting from a regular target, by using
    # the `build_setting` atttribute, you mark this rule as a build setting
    # including what raw type it is and if it can be used on the command
    # line or not (if yes, you must set `flag = True`)
    build_setting = config.string(flag = True),
)