internal/rosa: resolve preset by name

Signed-off-by: Ophestra <cat@gensokyo.uk>

cmd/mbf/main.go

@@ -146,111 +146,15 @@ func main() {
 			if len(args) != 1 {
 				return errors.New("cure requires 1 argument")
 			}
-			var p rosa.PArtifact
+			if p, ok := rosa.Std.ResolveName(args[0]); !ok {
-			switch args[0] {
-			case "acl":
-				p = rosa.ACL
-			case "attr":
-				p = rosa.Attr
-			case "autoconf":
-				p = rosa.Autoconf
-			case "bash":
-				p = rosa.Bash
-			case "busybox":
-				p = rosa.Busybox
-			case "cmake":
-				p = rosa.CMake
-			case "coreutils":
-				p = rosa.Coreutils
-			case "diffutils":
-				p = rosa.Diffutils
-			case "fuse":
-				p = rosa.Fuse
-			case "gawk":
-				p = rosa.Gawk
-			case "gettext":
-				p = rosa.Gettext
-			case "git":
-				p = rosa.Git
-			case "go":
-				p = rosa.Go
-			case "gperf":
-				p = rosa.Gperf
-			case "hakurei":
-				p = rosa.Hakurei
-			case "hakurei-dist":
-				p = rosa.HakureiDist
-			case "iniconfig":
-				p = rosa.IniConfig
-			case "kernel-headers":
-				p = rosa.KernelHeaders
-			case "libXau":
-				p = rosa.LibXau
-			case "libexpat":
-				p = rosa.Libexpat
-			case "libseccomp":
-				p = rosa.Libseccomp
-			case "libxml2":
-				p = rosa.Libxml2
-			case "libffi":
-				p = rosa.Libffi
-			case "libgd":
-				p = rosa.Libgd
-			case "m4":
-				p = rosa.M4
-			case "make":
-				p = rosa.Make
-			case "meson":
-				p = rosa.Meson
-			case "nss":
-				p = rosa.NSS
-			case "nss-cacert":
-				p = rosa.NSSCACert
-			case "ninja":
-				p = rosa.Ninja
-			case "packaging":
-				p = rosa.Packaging
-			case "patch":
-				p = rosa.Patch
-			case "perl":
-				p = rosa.Perl
-			case "pkg-config":
-				p = rosa.PkgConfig
-			case "pluggy":
-				p = rosa.Pluggy
-			case "pytest":
-				p = rosa.PyTest
-			case "pygments":
-				p = rosa.Pygments
-			case "python":
-				p = rosa.Python
-			case "rsync":
-				p = rosa.Rsync
-			case "setuptools":
-				p = rosa.Setuptools
-			case "wayland":
-				p = rosa.Wayland
-			case "wayland-protocols":
-				p = rosa.WaylandProtocols
-			case "xcb":
-				p = rosa.XCB
-			case "xcb-proto":
-				p = rosa.XCBProto
-			case "xproto":
-				p = rosa.Xproto
-			case "zlib":
-				p = rosa.Zlib
-
-			default:
 				return fmt.Errorf("unsupported artifact %q", args[0])
-			}
+			} else {
-
 				pathname, _, err := cache.Cure(rosa.Std.Load(p))
 				if err == nil {
 					log.Println(pathname)
 				}
 				return err
-
+			}
 		},
 	)
 

internal/rosa/all.go

@@ -80,3 +80,56 @@ func (t Toolchain) Load(p PArtifact) pkg.Artifact {
 	})
 	return artifacts[t][p]
 }
+
+// ResolveName returns a [PArtifact] by name.
+func (t Toolchain) ResolveName(name string) (p PArtifact, ok bool) {
+	p, ok = map[string]PArtifact{
+		"acl":               ACL,
+		"attr":              Attr,
+		"autoconf":          Autoconf,
+		"bash":              Bash,
+		"busybox":           Busybox,
+		"cmake":             CMake,
+		"coreutils":         Coreutils,
+		"diffutils":         Diffutils,
+		"fuse":              Fuse,
+		"gawk":              Gawk,
+		"gettext":           Gettext,
+		"git":               Git,
+		"go":                Go,
+		"gperf":             Gperf,
+		"hakurei":           Hakurei,
+		"hakurei-dist":      HakureiDist,
+		"iniconfig":         IniConfig,
+		"kernel-headers":    KernelHeaders,
+		"libXau":            LibXau,
+		"libexpat":          Libexpat,
+		"libseccomp":        Libseccomp,
+		"libxml2":           Libxml2,
+		"libffi":            Libffi,
+		"libgd":             Libgd,
+		"m4":                M4,
+		"make":              Make,
+		"meson":             Meson,
+		"nss":               NSS,
+		"nss-cacert":        NSSCACert,
+		"ninja":             Ninja,
+		"packaging":         Packaging,
+		"patch":             Patch,
+		"perl":              Perl,
+		"pkg-config":        PkgConfig,
+		"pluggy":            Pluggy,
+		"pytest":            PyTest,
+		"pygments":          Pygments,
+		"python":            Python,
+		"rsync":             Rsync,
+		"setuptools":        Setuptools,
+		"wayland":           Wayland,
+		"wayland-protocols": WaylandProtocols,
+		"xcb":               XCB,
+		"xcb-proto":         XCBProto,
+		"xproto":            Xproto,
+		"zlib":              Zlib,
+	}[name]
+	return
+}