Added dependencies, license and provides_includes fields in 'lib search' (#599)

* Added 'license' and 'provides_includes' fields in lib search

* Added 'dependencies' field in lib search

* Do not output empty field in 'lib search'

Fields 'license', 'provided includes' and 'dependencies' are printed
only if populated.

arduino/libraries/librariesindex/index.go

@@ -41,17 +41,19 @@ type Library struct {
 
 // Release is a release of a library available for download
 type Release struct {
-	Author        string
-	Version       *semver.Version
-	Dependencies  []semver.Dependency
-	Maintainer    string
-	Sentence      string
-	Paragraph     string
-	Website       string
-	Category      string
-	Architectures []string
-	Types         []string
-	Resource      *resources.DownloadResource
+	Author           string
+	Version          *semver.Version
+	Dependencies     []semver.Dependency
+	Maintainer       string
+	Sentence         string
+	Paragraph        string
+	Website          string
+	Category         string
+	Architectures    []string
+	Types            []string
+	Resource         *resources.DownloadResource
+	License          string
+	ProvidesIncludes []string
 
 	Library *Library `json:"-"`
 }

arduino/libraries/librariesindex/json.go

@@ -29,21 +29,23 @@ type indexJSON struct {
 }
 
 type indexRelease struct {
-	Name            string             `json:"name,required"`
-	Version         *semver.Version    `json:"version,required"`
-	Author          string             `json:"author"`
-	Maintainer      string             `json:"maintainer"`
-	Sentence        string             `json:"sentence"`
-	Paragraph       string             `json:"paragraph"`
-	Website         string             `json:"website"`
-	Category        string             `json:"category"`
-	Architectures   []string           `json:"architectures"`
-	Types           []string           `json:"types"`
-	URL             string             `json:"url"`
-	ArchiveFileName string             `json:"archiveFileName"`
-	Size            int64              `json:"size"`
-	Checksum        string             `json:"checksum"`
-	Dependencies    []*indexDependency `json:"dependencies,omitempty"`
+	Name             string             `json:"name,required"`
+	Version          *semver.Version    `json:"version,required"`
+	Author           string             `json:"author"`
+	Maintainer       string             `json:"maintainer"`
+	Sentence         string             `json:"sentence"`
+	Paragraph        string             `json:"paragraph"`
+	Website          string             `json:"website"`
+	Category         string             `json:"category"`
+	Architectures    []string           `json:"architectures"`
+	Types            []string           `json:"types"`
+	URL              string             `json:"url"`
+	ArchiveFileName  string             `json:"archiveFileName"`
+	Size             int64              `json:"size"`
+	Checksum         string             `json:"checksum"`
+	Dependencies     []*indexDependency `json:"dependencies,omitempty"`
+	License          string             `json:"license"`
+	ProvidesIncludes []string           `json:"providesIncludes"`
 }
 
 type indexDependency struct {
@@ -107,8 +109,10 @@ func (indexLib *indexRelease) extractReleaseIn(library *Library) {
 			Checksum:        indexLib.Checksum,
 			CachePath:       "libraries",
 		},
-		Library:      library,
-		Dependencies: indexLib.extractDependencies(),
+		Library:          library,
+		Dependencies:     indexLib.extractDependencies(),
+		License:          indexLib.License,
+		ProvidesIncludes: indexLib.ProvidesIncludes,
 	}
 	library.Releases[indexLib.Version.String()] = release
 	if library.Latest == nil || library.Latest.Version.LessThan(release.Version) {

cli/lib/search.go

@@ -113,21 +113,41 @@ func (res result) String() string {
 
 	var out strings.Builder
 
-	for _, lsr := range results {
-		out.WriteString(fmt.Sprintf("Name: \"%s\"\n", lsr.Name))
+	for _, lib := range results {
+		out.WriteString(fmt.Sprintf("Name: \"%s\"\n", lib.Name))
 		if res.namesOnly {
 			continue
 		}
 
-		out.WriteString(fmt.Sprintf("  Author: %s\n", lsr.GetLatest().Author))
-		out.WriteString(fmt.Sprintf("  Maintainer: %s\n", lsr.GetLatest().Maintainer))
-		out.WriteString(fmt.Sprintf("  Sentence: %s\n", lsr.GetLatest().Sentence))
-		out.WriteString(fmt.Sprintf("  Paragraph: %s\n", lsr.GetLatest().Paragraph))
-		out.WriteString(fmt.Sprintf("  Website: %s\n", lsr.GetLatest().Website))
-		out.WriteString(fmt.Sprintf("  Category: %s\n", lsr.GetLatest().Category))
-		out.WriteString(fmt.Sprintf("  Architecture: %s\n", strings.Join(lsr.GetLatest().Architectures, ", ")))
-		out.WriteString(fmt.Sprintf("  Types: %s\n", strings.Join(lsr.GetLatest().Types, ", ")))
-		out.WriteString(fmt.Sprintf("  Versions: %s\n", strings.Replace(fmt.Sprint(versionsFromSearchedLibrary(lsr)), " ", ", ", -1)))
+		latest := lib.GetLatest()
+
+		deps := []string{}
+		for _, dep := range latest.GetDependencies() {
+			if dep.GetVersionConstraint() == "" {
+				deps = append(deps, dep.GetName())
+			} else {
+				deps = append(deps, dep.GetName()+" ("+dep.GetVersionConstraint()+")")
+			}
+		}
+
+		out.WriteString(fmt.Sprintf("  Author: %s\n", latest.Author))
+		out.WriteString(fmt.Sprintf("  Maintainer: %s\n", latest.Maintainer))
+		out.WriteString(fmt.Sprintf("  Sentence: %s\n", latest.Sentence))
+		out.WriteString(fmt.Sprintf("  Paragraph: %s\n", latest.Paragraph))
+		out.WriteString(fmt.Sprintf("  Website: %s\n", latest.Website))
+		if latest.License != "" {
+			out.WriteString(fmt.Sprintf("  License: %s\n", latest.License))
+		}
+		out.WriteString(fmt.Sprintf("  Category: %s\n", latest.Category))
+		out.WriteString(fmt.Sprintf("  Architecture: %s\n", strings.Join(latest.Architectures, ", ")))
+		out.WriteString(fmt.Sprintf("  Types: %s\n", strings.Join(latest.Types, ", ")))
+		out.WriteString(fmt.Sprintf("  Versions: %s\n", strings.Replace(fmt.Sprint(versionsFromSearchedLibrary(lib)), " ", ", ", -1)))
+		if len(latest.ProvidesIncludes) > 0 {
+			out.WriteString(fmt.Sprintf("  Provides includes: %s\n", strings.Join(latest.ProvidesIncludes, ", ")))
+		}
+		if len(latest.Dependencies) > 0 {
+			out.WriteString(fmt.Sprintf("  Dependencies: %s\n", strings.Join(deps, ", ")))
+		}
 	}
 
 	return fmt.Sprintf("%s", out.String())

commands/lib/search.go

@@ -23,6 +23,7 @@ import (
 	"github.com/arduino/arduino-cli/arduino/libraries/librariesindex"
 	"github.com/arduino/arduino-cli/commands"
 	rpc "github.com/arduino/arduino-cli/rpc/commands"
+	semver "go.bug.st/relaxed-semver"
 )
 
 // LibrarySearch FIXMEDOC
@@ -60,15 +61,18 @@ func LibrarySearch(ctx context.Context, req *rpc.LibrarySearchReq) (*rpc.Library
 // GetLibraryParameters FIXMEDOC
 func GetLibraryParameters(rel *librariesindex.Release) *rpc.LibraryRelease {
 	return &rpc.LibraryRelease{
-		Author:        rel.Author,
-		Version:       rel.Version.String(),
-		Maintainer:    rel.Maintainer,
-		Sentence:      rel.Sentence,
-		Paragraph:     rel.Paragraph,
-		Website:       rel.Website,
-		Category:      rel.Category,
-		Architectures: rel.Architectures,
-		Types:         rel.Types,
+		Author:           rel.Author,
+		Version:          rel.Version.String(),
+		Maintainer:       rel.Maintainer,
+		Sentence:         rel.Sentence,
+		Paragraph:        rel.Paragraph,
+		Website:          rel.Website,
+		Category:         rel.Category,
+		Architectures:    rel.Architectures,
+		Types:            rel.Types,
+		License:          rel.License,
+		ProvidesIncludes: rel.ProvidesIncludes,
+		Dependencies:     getLibraryDependenciesParameter(rel.GetDependencies()),
 		Resources: &rpc.DownloadResource{
 			Url:             rel.Resource.URL,
 			Archivefilename: rel.Resource.ArchiveFileName,
@@ -78,3 +82,14 @@ func GetLibraryParameters(rel *librariesindex.Release) *rpc.LibraryRelease {
 		},
 	}
 }
+
+func getLibraryDependenciesParameter(deps []semver.Dependency) []*rpc.LibraryDependency {
+	res := []*rpc.LibraryDependency{}
+	for _, dep := range deps {
+		res = append(res, &rpc.LibraryDependency{
+			Name:              dep.GetName(),
+			VersionConstraint: dep.GetConstraint().String(),
+		})
+	}
+	return res
+}

rpc/commands/lib.proto

@@ -103,6 +103,14 @@ message LibraryRelease {
     repeated string architectures = 8;
     repeated string types = 9;
     DownloadResource resources = 10;
+    string license = 11;
+    repeated string provides_includes = 12;
+    repeated LibraryDependency dependencies = 13;
+}
+
+message LibraryDependency {
+    string name = 1;
+    string version_constraint = 2;
 }
 
 message DownloadResource {