[FIX] Cleanup code

cmd/dep/ensure_test.go

@@ -231,7 +231,7 @@ func TestValidateUpdateArgs(t *testing.T) {
 			stderrOutput.Reset()
 
 			// Fill up the locked projects
-			lockedProjects := []gps.LockedProject{}
+			lockedProjects := make([]gps.LockedProject, 0, len(c.lockedProjects))
 			for _, lp := range c.lockedProjects {
 				pi := gps.ProjectIdentifier{ProjectRoot: gps.ProjectRoot(lp)}
 				lockedProjects = append(lockedProjects, gps.NewLockedProject(pi, gps.NewVersion("v1.0.0"), []string{}))

cmd/dep/gopath_scanner_test.go

@@ -15,8 +15,8 @@ import (
 	"github.com/golang/dep/internal/test"
 )
 
-const testProject1 string = "github.com/sdboyer/deptest"
-const testProject2 string = "github.com/sdboyer/deptestdos"
+const testProject1 = "github.com/sdboyer/deptest"
+const testProject2 = "github.com/sdboyer/deptestdos"
 
 // NewTestContext creates a unique context with its own GOPATH for a single test.
 func NewTestContext(h *test.Helper) *dep.Ctx {

cmd/dep/prune.go

@@ -172,7 +172,7 @@ fail:
 func calculatePrune(vendorDir string, keep []string, logger *log.Logger) ([]string, error) {
 	logger.Println("Calculating prune. Checking the following packages:")
 	sort.Strings(keep)
-	toDelete := []string{}
+	var toDelete []string
 	err := filepath.Walk(vendorDir, func(path string, info os.FileInfo, err error) error {
 		if _, err := os.Lstat(path); err != nil {
 			return nil

cmd/dep/status.go

@@ -301,7 +301,7 @@ func (cmd *statusCommand) Run(ctx *dep.Ctx, args []string) error {
 
 func (cmd *statusCommand) validateFlags() error {
 	// Operating mode flags.
-	opModes := []string{}
+	var opModes []string
 
 	if cmd.old {
 		opModes = append(opModes, "-old")

cmd/dep/status_test.go

@@ -10,11 +10,10 @@ import (
 	"log"
 	"path/filepath"
 	"reflect"
+	"strings"
 	"testing"
 	"text/tabwriter"
 
-	"strings"
-
 	"github.com/golang/dep"
 	"github.com/golang/dep/gps"
 	"github.com/golang/dep/internal/test"

gps/_testdata/src/relimport/dotdot/a.go

@@ -5,7 +5,7 @@
 package dotdot
 
 import (
-	relimport ".."
+	".."
 )
 
 var (

gps/deduce.go

@@ -16,7 +16,7 @@ import (
 	"strings"
 	"sync"
 
-	radix "github.com/armon/go-radix"
+	"github.com/armon/go-radix"
 	"github.com/pkg/errors"
 )
 

gps/filesystem_test.go

@@ -135,7 +135,7 @@ func TestDeriveFilesystemState(t *testing.T) {
 						"simple-file",
 					},
 					links: []fsLink{
-						fsLink{
+						{
 							path:   "link",
 							to:     "nonexisting",
 							broken: true,
@@ -150,7 +150,7 @@ func TestDeriveFilesystemState(t *testing.T) {
 						"simple-file",
 					},
 					links: []fsLink{
-						fsLink{
+						{
 							path:   "link",
 							to:     "",
 							broken: true,
@@ -164,12 +164,12 @@ func TestDeriveFilesystemState(t *testing.T) {
 			fs: fsTestCase{
 				before: filesystemState{
 					links: []fsLink{
-						fsLink{
+						{
 							path:     "link1",
 							to:       "link2",
 							circular: true,
 						},
-						fsLink{
+						{
 							path:     "link2",
 							to:       "link1",
 							circular: true,
@@ -178,12 +178,12 @@ func TestDeriveFilesystemState(t *testing.T) {
 				},
 				after: filesystemState{
 					links: []fsLink{
-						fsLink{
+						{
 							path:     "link1",
 							to:       "",
 							circular: true,
 						},
-						fsLink{
+						{
 							path:     "link2",
 							to:       "",
 							circular: true,

gps/solve_basic_test.go

@@ -1355,7 +1355,7 @@ func (sm *depspecSourceManager) GetManifestAndLock(id ProjectIdentifier, v Versi
 		}
 	}
 
-	return nil, nil, fmt.Errorf("Project %s at version %s could not be found", id, v)
+	return nil, nil, fmt.Errorf("project %s at version %s could not be found", id, v)
 }
 
 func (sm *depspecSourceManager) ListPackages(id ProjectIdentifier, v Version) (pkgtree.PackageTree, error) {
@@ -1404,7 +1404,7 @@ func (sm *depspecSourceManager) ListPackages(id ProjectIdentifier, v Version) (p
 		}
 	}
 
-	return pkgtree.PackageTree{}, fmt.Errorf("Project %s at version %s could not be found", pid.n, v)
+	return pkgtree.PackageTree{}, fmt.Errorf("project %s at version %s could not be found", pid.n, v)
 }
 
 func (sm *depspecSourceManager) ListVersions(id ProjectIdentifier) ([]PairedVersion, error) {
@@ -1431,7 +1431,7 @@ func (sm *depspecSourceManager) ListVersions(id ProjectIdentifier) ([]PairedVers
 	}
 
 	if len(pvl) == 0 {
-		return nil, fmt.Errorf("Project %s could not be found", id)
+		return nil, fmt.Errorf("project %s could not be found", id)
 	}
 	return pvl, nil
 }
@@ -1444,7 +1444,7 @@ func (sm *depspecSourceManager) RevisionPresentIn(id ProjectIdentifier, r Revisi
 		}
 	}
 
-	return false, fmt.Errorf("Project %s has no revision %s", id, r)
+	return false, fmt.Errorf("project %s has no revision %s", id, r)
 }
 
 func (sm *depspecSourceManager) SourceExists(id ProjectIdentifier) (bool, error) {
@@ -1461,7 +1461,7 @@ func (sm *depspecSourceManager) SourceExists(id ProjectIdentifier) (bool, error)
 func (sm *depspecSourceManager) SyncSourceFor(id ProjectIdentifier) error {
 	// Ignore err because it can't happen
 	if exist, _ := sm.SourceExists(id); !exist {
-		return fmt.Errorf("Source %s does not exist", id)
+		return fmt.Errorf("source %s does not exist", id)
 	}
 	return nil
 }
@@ -1480,7 +1480,7 @@ func (sm *depspecSourceManager) DeduceProjectRoot(ip string) (ProjectRoot, error
 			return ProjectRoot(ip[:len(n)]), nil
 		}
 	}
-	return "", fmt.Errorf("Could not find %s, or any parent, in list of known fixtures", ip)
+	return "", fmt.Errorf("could not find %s, or any parent, in list of known fixtures", ip)
 }
 
 func (sm *depspecSourceManager) SourceURLsForPath(ip string) ([]*url.URL, error) {
@@ -1547,7 +1547,7 @@ func (b *depspecBridge) listVersions(id ProjectIdentifier) ([]Version, error) {
 func (b *depspecBridge) verifyRootDir(path string) error {
 	root := b.sm.(fixSM).rootSpec()
 	if string(root.n) != path {
-		return fmt.Errorf("Expected only root project %q to verifyRootDir(), got %q", root.n, path)
+		return fmt.Errorf("expected only root project %q to verifyRootDir(), got %q", root.n, path)
 	}
 
 	return nil

gps/solve_bimodal_test.go

@@ -1445,7 +1445,7 @@ func (sm *bmSourceManager) ListPackages(id ProjectIdentifier, v Version) (pkgtre
 		}
 	}
 
-	return pkgtree.PackageTree{}, fmt.Errorf("Project %s at version %s could not be found", id, v)
+	return pkgtree.PackageTree{}, fmt.Errorf("project %s at version %s could not be found", id, v)
 }
 
 func (sm *bmSourceManager) GetManifestAndLock(id ProjectIdentifier, v Version, an ProjectAnalyzer) (Manifest, Lock, error) {
@@ -1460,7 +1460,7 @@ func (sm *bmSourceManager) GetManifestAndLock(id ProjectIdentifier, v Version, a
 	}
 
 	// TODO(sdboyer) proper solver-type errors
-	return nil, nil, fmt.Errorf("Project %s at version %s could not be found", id, v)
+	return nil, nil, fmt.Errorf("project %s at version %s could not be found", id, v)
 }
 
 // computeBimodalExternalMap takes a set of depspecs and computes an

hack/licenseok/main.go

@@ -156,7 +156,7 @@ func addLicense(b []byte, path string, fmode os.FileMode) error {
 }
 
 func hashBang(b []byte) []byte {
-	var line []byte
+	var line = make([]byte, 0, len(b))
 	for _, c := range b {
 		line = append(line, c)
 		if c == '\n' {

internal/importers/base/importer.go

@@ -68,7 +68,7 @@ func (i *Importer) lookupVersionForLockedProject(pi gps.ProjectIdentifier, c gps
 
 	var branchConstraint gps.PairedVersion
 	gps.SortPairedForUpgrade(versions) // Sort versions in asc order
-	matches := []gps.Version{}
+	var matches []gps.Version
 	for _, v := range versions {
 		if v.Revision() == rev {
 			matches = append(matches, v)

internal/test/integration/testproj.go

@@ -21,7 +21,7 @@ import (
 )
 
 const (
-	projectRoot string = "src/github.com/golang/notexist"
+	projectRoot = "src/github.com/golang/notexist"
 )
 
 // RunFunc defines the function signature for an integration test command to execute.

internal/test/test.go

@@ -34,8 +34,8 @@ var (
 )
 
 const (
-	manifestName string = "Gopkg.toml"
-	lockName     string = "Gopkg.lock"
+	manifestName = "Gopkg.toml"
+	lockName     = "Gopkg.lock"
 )
 
 func init() {

manifest.go

@@ -15,7 +15,7 @@ import (
 
 	"github.com/golang/dep/gps"
 	"github.com/golang/dep/gps/pkgtree"
-	toml "github.com/pelletier/go-toml"
+	"github.com/pelletier/go-toml"
 	"github.com/pkg/errors"
 )
 

manifest_test.go

@@ -476,7 +476,7 @@ func TestCheckRedundantPruneOptions(t *testing.T) {
 			pruneOptions: gps.CascadingPruneOptions{
 				DefaultOptions: 15,
 				PerProjectOptions: map[gps.ProjectRoot]gps.PruneOptionSet{
-					"github.com/golang/dep": gps.PruneOptionSet{
+					"github.com/golang/dep": {
 						NestedVendor:   pvtrue,
 						UnusedPackages: pvtrue,
 						NonGoFiles:     pvtrue,
@@ -495,7 +495,7 @@ func TestCheckRedundantPruneOptions(t *testing.T) {
 			pruneOptions: gps.CascadingPruneOptions{
 				DefaultOptions: 1,
 				PerProjectOptions: map[gps.ProjectRoot]gps.PruneOptionSet{
-					"github.com/golang/dep": gps.PruneOptionSet{
+					"github.com/golang/dep": {
 						NestedVendor:   pvtrue,
 						UnusedPackages: pvfalse,
 						NonGoFiles:     pvfalse,
@@ -514,12 +514,12 @@ func TestCheckRedundantPruneOptions(t *testing.T) {
 			pruneOptions: gps.CascadingPruneOptions{
 				DefaultOptions: 7,
 				PerProjectOptions: map[gps.ProjectRoot]gps.PruneOptionSet{
-					"github.com/golang/dep": gps.PruneOptionSet{
+					"github.com/golang/dep": {
 						NestedVendor: pvtrue,
 						NonGoFiles:   pvtrue,
 						GoTests:      pvtrue,
 					},
-					"github.com/other/project": gps.PruneOptionSet{
+					"github.com/other/project": {
 						NestedVendor:   pvtrue,
 						UnusedPackages: pvfalse,
 						GoTests:        pvfalse,
@@ -798,7 +798,7 @@ func TestToRawPruneOptions_Panic(t *testing.T) {
 	pruneOptions := gps.CascadingPruneOptions{
 		DefaultOptions: 1,
 		PerProjectOptions: map[gps.ProjectRoot]gps.PruneOptionSet{
-			"github.com/carolynvs/deptest": gps.PruneOptionSet{
+			"github.com/carolynvs/deptest": {
 				NestedVendor: pvtrue,
 			},
 		},