Files
act_runner/internal/act/container/docker_platform.go
T
Lunny Xiao 825c6af07c refactor: move act under internal
The runner is an application, not a library. `act/model` and
`act/exprparser` were the last packages anything outside this repository
consumed and they now live in actionslib, so nothing needs the rest of
`act` to be importable, and keeping it importable invites the coupling
that was just removed.

Import paths only, the files are unchanged.

Assisted-by: Codet:GPT-5.1-Codex
2026-08-07 21:40:48 -07:00

40 lines
1.2 KiB
Go

// Copyright 2026 The Gitea Authors. All rights reserved.
// Copyright 2025 The nektos/act Authors. All rights reserved.
// SPDX-License-Identifier: MIT
//go:build !(WITHOUT_DOCKER || !(linux || darwin || windows || netbsd))
package container
import (
"fmt"
"strings"
specs "github.com/opencontainers/image-spec/specs-go/v1"
)
// parsePlatform parses an "os/arch[/variant]" string into a Platform. An empty input
// returns (nil, nil), meaning "no platform constraint". A non-empty but malformed
// string is rejected explicitly so it cannot silently fall through to the daemon's
// default architecture.
func parsePlatform(platform string) (*specs.Platform, error) {
if platform == "" {
return nil, nil //nolint:nilnil // no platform constraint requested
}
parts := strings.Split(platform, "/")
if len(parts) < 2 || len(parts) > 3 || parts[0] == "" || parts[1] == "" || (len(parts) == 3 && parts[2] == "") {
return nil, fmt.Errorf("invalid platform %q: expected os/arch[/variant]", platform)
}
spec := &specs.Platform{
OS: strings.ToLower(parts[0]),
Architecture: strings.ToLower(parts[1]),
}
if len(parts) == 3 {
spec.Variant = strings.ToLower(parts[2])
}
return spec, nil
}