pboling commented on code in PR #255:
URL: https://github.com/apache/skywalking-eyes/pull/255#discussion_r2635112344
##########
pkg/deps/ruby.go:
##########
@@ -253,6 +390,157 @@ func runtimeDepsFromGemspecs(dir string) ([]string,
error) {
return res, nil
}
+func parseGemspecDependencies(path string) ([]string, error) {
+ f, err := os.Open(path)
+ if err != nil {
+ return nil, err
+ }
+ defer f.Close()
+
+ scanner := bufio.NewScanner(f)
+ var deps []string
+ for scanner.Scan() {
+ line := scanner.Text()
+ trimLeft := strings.TrimLeft(line, " \t")
+ if strings.HasPrefix(trimLeft, "#") {
+ continue
+ }
+ if m := gemspecRuntimeRe.FindStringSubmatch(line); len(m) == 2 {
+ deps = append(deps, m[1])
+ }
+ }
+ return deps, scanner.Err()
+}
+
+func findInstalledGemspec(name, version string) (string, error) {
+ gemPaths := getGemPaths()
+ for _, dir := range gemPaths {
+ specsDir := filepath.Join(dir, "specifications")
+ if version != "" && !strings.ContainsAny(version, "<>~=") {
+ path := filepath.Join(specsDir,
name+"-"+version+".gemspec")
+ if _, err := os.Stat(path); err == nil {
+ return path, nil
+ }
+ } else {
+ entries, err := os.ReadDir(specsDir)
+ if err != nil {
+ continue
+ }
+ for _, e := range entries {
+ if !e.IsDir() && strings.HasPrefix(e.Name(),
name+"-") && strings.HasSuffix(e.Name(), ".gemspec") {
+ stem := strings.TrimSuffix(e.Name(),
".gemspec")
+ ver := strings.TrimPrefix(stem,
name+"-")
+ if ver == stem {
+ continue
+ }
+ return filepath.Join(specsDir,
e.Name()), nil
+ }
+ }
+ }
+ }
+ return "", os.ErrNotExist
+}
+
+func fetchLocalLicense(dir, targetName string) (string, error) {
+ entries, err := os.ReadDir(dir)
+ if err != nil {
+ return "", err
+ }
+ for _, e := range entries {
+ if e.IsDir() || !strings.HasSuffix(e.Name(), ".gemspec") {
+ continue
+ }
+ path := filepath.Join(dir, e.Name())
+ specName, license, err := parseGemspecInfo(path)
+ if err == nil && specName == targetName && license != "" {
+ return license, nil
+ }
+ }
+ return "", nil
+}
+
+func fetchInstalledLicense(name, version string) string {
+ gemPaths := getGemPaths()
+ for _, dir := range gemPaths {
+ specsDir := filepath.Join(dir, "specifications")
+ // If version is specific
+ if version != "" && !strings.ContainsAny(version, "<>~=") { //
simple check if it's a version number
+ path := filepath.Join(specsDir,
name+"-"+version+".gemspec")
+ if _, license, err := parseGemspecInfo(path); err ==
nil && license != "" {
+ return license
+ }
+ } else {
+ // Scan for any version
+ entries, err := os.ReadDir(specsDir)
+ if err != nil {
+ continue
+ }
+ for _, e := range entries {
+ if e.IsDir() || !strings.HasPrefix(e.Name(),
name+"-") || !strings.HasSuffix(e.Name(), ".gemspec") {
+ continue
+ }
+ stem := strings.TrimSuffix(e.Name(), ".gemspec")
+ ver := strings.TrimPrefix(stem, name+"-")
+ if ver == stem { // didn't have prefix
+ continue
+ }
+ path := filepath.Join(specsDir, e.Name())
+ if _, license, err := parseGemspecInfo(path);
err == nil && license != "" {
+ return license
+ }
+ }
+ }
+ }
+ return ""
+}
+
+func getGemPaths() []string {
+ env := os.Getenv("GEM_PATH")
+ if env == "" {
+ env = os.Getenv("GEM_HOME")
+ }
+ if env == "" {
+ return nil
+ }
+ return strings.Split(env, string(os.PathListSeparator))
+}
+
+func parseGemspecInfo(path string) (string, string, error) {
+ f, err := os.Open(path)
+ if err != nil {
+ return "", "", err
+ }
+ defer f.Close()
+ scanner := bufio.NewScanner(f)
+ var name, license string
+ for scanner.Scan() {
+ line := scanner.Text()
+ trimLeft := strings.TrimLeft(line, " \t")
+ if strings.HasPrefix(trimLeft, "#") {
+ continue
+ }
+ if name == "" {
+ if m := gemspecNameRe.FindStringSubmatch(line); len(m)
== 2 {
+ name = m[1]
+ }
+ }
+ if license == "" {
+ if m := gemspecLicenseRe.FindStringSubmatch(line);
len(m) == 2 {
+ license = m[1]
+ }
+ }
+ if name != "" && license != "" {
+ break
+ }
+ }
+ return name, license, nil
+}
+
+func parseGemspecLicense(path string) (string, error) {
+ _, license, err := parseGemspecInfo(path)
+ return license, err
+}
+
Review Comment:
Fixed in 4e3c76e
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