Add .tool-versions (asdf) parser

README.md

@@ -40,6 +40,7 @@ func main() {
 |-----------|-----------|-----------|
 | alpine | APKBUILD | |
 | arch | PKGBUILD | |
+| asdf | .tool-versions | |
 | bazel | MODULE.json | |
 | bower | bower.json | |
 | brew | Brewfile | Brewfile.lock.json |

imports.go

@@ -4,6 +4,7 @@ package manifests
 import (
 	_ "github.com/git-pkgs/manifests/internal/alpine"
 	_ "github.com/git-pkgs/manifests/internal/arch"
+	_ "github.com/git-pkgs/manifests/internal/asdf"
 	_ "github.com/git-pkgs/manifests/internal/bazel"
 	_ "github.com/git-pkgs/manifests/internal/brew"
 	_ "github.com/git-pkgs/manifests/internal/cargo"

internal/asdf/asdf.go

@@ -0,0 +1,43 @@
+package asdf
+
+import (
+	"strings"
+
+	"github.com/git-pkgs/manifests/internal/core"
+)
+
+func init() {
+	core.Register("asdf", core.Manifest, &toolVersionsParser{}, core.ExactMatch(".tool-versions"))
+}
+
+// toolVersionsParser parses .tool-versions files.
+type toolVersionsParser struct{}
+
+func (p *toolVersionsParser) Parse(filename string, content []byte) ([]core.Dependency, error) {
+	var deps []core.Dependency
+	lines := strings.Split(string(content), "\n")
+
+	for _, line := range lines {
+		line = strings.TrimSpace(line)
+		if line == "" || strings.HasPrefix(line, "#") {
+			continue
+		}
+
+		fields := strings.Fields(line)
+		if len(fields) < 2 {
+			continue
+		}
+
+		name := fields[0]
+		version := fields[1]
+
+		deps = append(deps, core.Dependency{
+			Name:    name,
+			Version: version,
+			Scope:   core.Runtime,
+			Direct:  true,
+		})
+	}
+
+	return deps, nil
+}

internal/asdf/asdf_test.go

@@ -0,0 +1,48 @@
+package asdf
+
+import (
+	"os"
+	"testing"
+)
+
+func TestToolVersions(t *testing.T) {
+	content, err := os.ReadFile("../../testdata/asdf/.tool-versions")
+	if err != nil {
+		t.Fatalf("failed to read fixture: %v", err)
+	}
+
+	parser := &toolVersionsParser{}
+	deps, err := parser.Parse(".tool-versions", content)
+	if err != nil {
+		t.Fatalf("Parse failed: %v", err)
+	}
+
+	if len(deps) != 6 {
+		t.Fatalf("expected 6 dependencies, got %d", len(deps))
+	}
+
+	depMap := make(map[string]string)
+	for _, d := range deps {
+		depMap[d.Name] = d.Version
+	}
+
+	expected := map[string]string{
+		"nodejs":  "18.12.0",
+		"ruby":    "3.2.1",
+		"python":  "3.11.2",
+		"golang":  "1.21.0",
+		"erlang":  "26.0.2",
+		"rust":    "1.72.0",
+	}
+
+	for name, wantVer := range expected {
+		gotVer, ok := depMap[name]
+		if !ok {
+			t.Errorf("expected %s dependency", name)
+			continue
+		}
+		if gotVer != wantVer {
+			t.Errorf("%s version = %q, want %q", name, gotVer, wantVer)
+		}
+	}
+}

testdata/asdf/.tool-versions

@@ -0,0 +1,8 @@
+nodejs 18.12.0
+ruby 3.2.1
+python 3.11.2
+# this is a comment
+golang 1.21.0
+erlang 26.0.2
+
+rust 1.72.0