Download downloads the Nix installer without running it.
(ctx context.Context)
| 21 | |
| 22 | // Download downloads the Nix installer without running it. |
| 23 | func (i *Installer) Download(ctx context.Context) error { |
| 24 | if i.Path != "" { |
| 25 | return fmt.Errorf("installer already downloaded: %s", i.Path) |
| 26 | } |
| 27 | |
| 28 | system := "" |
| 29 | switch runtime.GOARCH { |
| 30 | case "amd64": |
| 31 | switch runtime.GOOS { |
| 32 | case "darwin": |
| 33 | system = "x86_64-darwin" |
| 34 | case "linux": |
| 35 | system = "x86_64-linux" |
| 36 | } |
| 37 | case "arm64": |
| 38 | switch runtime.GOOS { |
| 39 | case "darwin": |
| 40 | system = "aarch64-darwin" |
| 41 | case "linux": |
| 42 | system = "aarch64-linux" |
| 43 | } |
| 44 | } |
| 45 | |
| 46 | url := "https://artifacts.nixos.org/experimental-installer/nix-installer-" + system |
| 47 | req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil) |
| 48 | if err != nil { |
| 49 | return fmt.Errorf("create request: %v", err) |
| 50 | } |
| 51 | |
| 52 | resp, err := http.DefaultClient.Do(req) |
| 53 | if err != nil { |
| 54 | return fmt.Errorf("do request: %v", err) |
| 55 | } |
| 56 | defer resp.Body.Close() |
| 57 | |
| 58 | if resp.StatusCode != http.StatusOK { |
| 59 | return fmt.Errorf("status %s", resp.Status) |
| 60 | } |
| 61 | installer, err := writeTempFile(resp.Body) |
| 62 | if err != nil { |
| 63 | return err |
| 64 | } |
| 65 | err = os.Chmod(installer, 0o755) |
| 66 | if err != nil { |
| 67 | return fmt.Errorf("chmod 0755 installer: %v", err) |
| 68 | } |
| 69 | i.Path = installer |
| 70 | return nil |
| 71 | } |
| 72 | |
| 73 | // Run downloads and installs Nix. |
| 74 | func (i *Installer) Run(ctx context.Context) error { |
no test coverage detected