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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| package builders | ||
|
|
||
| import ( | ||
| "errors" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "path/filepath" | ||
| "regexp" | ||
| "strings" | ||
|
|
||
| logging "github.com/op/go-logging" | ||
|
|
||
| "github.com/fossas/fossa-cli/config" | ||
| "github.com/fossas/fossa-cli/module" | ||
| ) | ||
|
|
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| var gradleLogger = logging.MustGetLogger("gradle") | ||
|
|
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| // GradleBuilder implements Builder for build.gradle builds | ||
| type GradleBuilder struct { | ||
| GradleCmd string | ||
| GradleVersion string | ||
| } | ||
|
|
||
| // Initialize collects metadata on Java and Maven binaries | ||
| func (builder *GradleBuilder) Initialize() error { | ||
| gradleLogger.Debug("Initializing Gradle builder...") | ||
|
|
||
| // Set Gradle context variables | ||
| gradleCmd, gradleVersionOut, err := which("--version --offline", os.Getenv("GRADLE_BINARY"), "./gradlew", "gradle") | ||
| if err == nil { | ||
| builder.GradleCmd = gradleCmd | ||
|
|
||
| gradleVersionMatchRe := regexp.MustCompile(`Gradle ([0-9]+\.[0-9]+.\w+)`) | ||
| match := gradleVersionMatchRe.FindStringSubmatch(gradleVersionOut) | ||
| if len(match) == 2 { | ||
| builder.GradleVersion = match[1] | ||
| } | ||
| } | ||
|
|
||
| if builder.GradleCmd == "" { | ||
| return fmt.Errorf("could not find Gradle binary or wrapper (try setting $GRADLE_BINARY)") | ||
| } | ||
|
|
||
| gradleLogger.Debugf("Done initializing Gradle builder: %#v", builder) | ||
| return nil | ||
| } | ||
|
|
||
| // Build is not implemented | ||
| func (builder *GradleBuilder) Build(m module.Module, force bool) error { | ||
| return nil | ||
| } | ||
|
|
||
| // Analyze parses the output of `gradle -q app:dependencies` | ||
| func (builder *GradleBuilder) Analyze(m module.Module, allowUnresolved bool) ([]module.Dependency, error) { | ||
| gradleLogger.Debugf("Running Gradle analysis: %#v %#v in %s", m, allowUnresolved, m.Dir) | ||
|
|
||
| // TODO: We need to let the user configure the right configurations | ||
| // NOTE: we are intentionally using exec.Command over runLogged here, due to path issues with defining cmd.Dir | ||
| dependenciesOutput, err := exec.Command(builder.GradleCmd, m.Name+":dependencies", "-q", "--configuration=compile", "--offline", "-a").Output() | ||
| if len(dependenciesOutput) == 0 || err != nil { | ||
| return nil, fmt.Errorf("could not run Gradle task %s:dependencies", m.Name) | ||
| } | ||
|
|
||
| var deps []module.Dependency | ||
| // Parse out any line that matches - (groupId):(artifactId):(version) -> (mediatedVersion) where `-> (mediatedVersion)`` is optional | ||
| dependenciesRe := regexp.MustCompile(`- ([\w\.-]+):([\w\.-]+):([\w\.-]+)( -> ([\w\.-]+))?`) | ||
| for _, line := range strings.Split(string(dependenciesOutput), "\n") { | ||
| trimmed := strings.TrimSpace(line) | ||
| if len(trimmed) > 0 { | ||
| parsedDependencyLine := dependenciesRe.FindStringSubmatch(trimmed) | ||
| if len(parsedDependencyLine) >= 4 { | ||
| groupID := parsedDependencyLine[1] | ||
| artifactID := parsedDependencyLine[2] | ||
| revisionID := parsedDependencyLine[3] | ||
| if len(parsedDependencyLine) == 6 && parsedDependencyLine[5] != "" { | ||
| revisionID = parsedDependencyLine[5] | ||
| } | ||
| gradleLogger.Debugf("Discovered maven artifact (%s, %s, %s)", trimmed, groupID, artifactID, revisionID) | ||
| deps = append(deps, MavenArtifact{ | ||
| Name: fmt.Sprintf("%s:%s", groupID, artifactID), | ||
| Version: revisionID, | ||
| }) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| gradleLogger.Debugf("Done running Gradle analysis: %#v", deps) | ||
| return deps, nil | ||
| } | ||
|
|
||
| // IsBuilt is not implemented | ||
| func (builder *GradleBuilder) IsBuilt(m module.Module, allowUnresolved bool) (bool, error) { | ||
| return true, nil | ||
| } | ||
|
|
||
| // IsModule is not implemented | ||
| func (builder *GradleBuilder) IsModule(target string) (bool, error) { | ||
| return false, errors.New("IsModule is not implemented for GradleBuilder") | ||
| } | ||
|
|
||
| // DiscoverModules finds either a root build.gradle file in the specified dir | ||
| func (builder *GradleBuilder) DiscoverModules(dir string) ([]config.ModuleConfig, error) { | ||
| if err := builder.Initialize(); err != nil { | ||
| return nil, err | ||
| } | ||
| // Look for the root Gradle build | ||
| // TODO: support custom *.gradle files | ||
| if _, err := os.Stat(filepath.Join(dir, "build.gradle")); err == nil { | ||
| // Use bare exec.Command as runLogged errors when resolving outside of dir | ||
| taskListOutput, gradleTaskErr := exec.Command(builder.GradleCmd, "tasks", "--all", "-q", "-a", "--offline").Output() | ||
| if len(taskListOutput) > 0 && gradleTaskErr == nil { | ||
| // Search for subprojects using Gradle task list instead of grepping for build.gradle | ||
| var moduleConfigurations []config.ModuleConfig | ||
| // NOTE: this leaves out the root ("") dependencies task. To include, replace with `(\w+:)?dependencies -` | ||
| taskListRe := regexp.MustCompile(`\w+:dependencies -`) | ||
| for _, line := range strings.Split(string(taskListOutput), "\n") { | ||
| trimmed := strings.TrimSpace(line) | ||
| if len(trimmed) > 0 { | ||
| depMatchIndices := taskListRe.FindStringIndex(trimmed) | ||
| if len(depMatchIndices) > 0 && depMatchIndices[0] == 0 { | ||
| gradleTask := strings.Split(trimmed, " - ")[0] | ||
| gradleLogger.Debugf("found gradle dependencies task: %s", gradleTask) | ||
| moduleConfigurations = append(moduleConfigurations, config.ModuleConfig{ | ||
| Name: strings.Split(gradleTask, ":")[0], // Name is the gradle task name | ||
| Path: "build.gradle", | ||
| Type: "gradle", | ||
| }) | ||
| } | ||
| } | ||
| } | ||
|
|
||
| return moduleConfigurations, nil | ||
| } | ||
|
|
||
| // Fall back to "app" as default task, even though technically it would be "" (root) | ||
| return []config.ModuleConfig{ | ||
| config.ModuleConfig{ | ||
| Name: "app", | ||
| Path: "build.gradle", | ||
| Type: "gradle", | ||
| }, | ||
| }, nil | ||
| } | ||
|
|
||
| // TODO: support multiple build.gradle files | ||
| return nil, nil | ||
| } |
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