Merge pull request #459 from carolynvs/internal-logging

Move logging functions into internal package

cmd/dep/ensure.go

@@ -16,6 +16,7 @@ import (
 	"strings"
 
 	"github.com/golang/dep"
+	"github.com/golang/dep/internal"
 	"github.com/pkg/errors"
 	"github.com/sdboyer/gps"
 	"github.com/sdboyer/gps/pkgtree"
@@ -205,7 +206,7 @@ func applyEnsureArgs(args []string, overrides stringSlice, p *dep.Project, sm *g
 			// TODO(sdboyer): for this case - or just in general - do we want to
 			// add project args to the requires list temporarily for this run?
 			if _, has := p.Manifest.Dependencies[pc.Ident.ProjectRoot]; !has {
-				logf("No constraint or alternate source specified for %q, omitting from manifest", pc.Ident.ProjectRoot)
+				internal.Logf("No constraint or alternate source specified for %q, omitting from manifest", pc.Ident.ProjectRoot)
 			}
 			// If it's already in the manifest, no need to log
 			continue

cmd/dep/init.go

@@ -13,6 +13,7 @@ import (
 	"strings"
 
 	"github.com/golang/dep"
+	"github.com/golang/dep/internal"
 	"github.com/pkg/errors"
 	"github.com/sdboyer/gps"
 	"github.com/sdboyer/gps/pkgtree"
@@ -89,12 +90,12 @@ func (cmd *initCommand) Run(ctx *dep.Ctx, args []string) error {
 	if err != nil {
 		return errors.Wrap(err, "determineProjectRoot")
 	}
-	vlogf("Finding dependencies for %q...", cpr)
+	internal.Vlogf("Finding dependencies for %q...", cpr)
 	pkgT, err := pkgtree.ListPackages(root, cpr)
 	if err != nil {
 		return errors.Wrap(err, "gps.ListPackages")
 	}
-	vlogf("Found %d dependencies.", len(pkgT.Packages))
+	internal.Vlogf("Found %d dependencies.", len(pkgT.Packages))
 	sm, err := ctx.SourceManager()
 	if err != nil {
 		return errors.Wrap(err, "getSourceManager")
@@ -135,7 +136,7 @@ func (cmd *initCommand) Run(ctx *dep.Ctx, args []string) error {
 	}
 
 	if len(pd.notondisk) > 0 {
-		vlogf("Solving...")
+		internal.Vlogf("Solving...")
 		params := gps.SolveParameters{
 			RootDir:         root,
 			RootPackageTree: pkgT,
@@ -161,7 +162,7 @@ func (cmd *initCommand) Run(ctx *dep.Ctx, args []string) error {
 		l = dep.LockFromInterface(soln)
 	}
 
-	vlogf("Writing manifest and lock files.")
+	internal.Vlogf("Writing manifest and lock files.")
 
 	var sw dep.SafeWriter
 	sw.Prepare(m, nil, l, dep.VendorAlways)
@@ -236,7 +237,7 @@ func getProjectData(ctx *dep.Ctx, pkgT pkgtree.PackageTree, cpr string, sm *gps.
 		return projectData{}, nil
 	}
 
-	vlogf("Building dependency graph...")
+	internal.Vlogf("Building dependency graph...")
 	// Exclude stdlib imports from the list returned from Flatten().
 	const omitStdlib = false
 	for _, ip := range rm.Flatten(omitStdlib) {
@@ -252,13 +253,13 @@ func getProjectData(ctx *dep.Ctx, pkgT pkgtree.PackageTree, cpr string, sm *gps.
 		}
 		go syncDep(pr, sm)
 
-		vlogf("Found import of %q, analyzing...", ip)
+		internal.Vlogf("Found import of %q, analyzing...", ip)
 
 		dependencies[pr] = []string{ip}
 		v, err := ctx.VersionInWorkspace(pr)
 		if err != nil {
 			notondisk[pr] = true
-			vlogf("Could not determine version for %q, omitting from generated manifest", pr)
+			internal.Vlogf("Could not determine version for %q, omitting from generated manifest", pr)
 			continue
 		}
 
@@ -275,7 +276,7 @@ func getProjectData(ctx *dep.Ctx, pkgT pkgtree.PackageTree, cpr string, sm *gps.
 		constraints[pr] = pp
 	}
 
-	vlogf("Analyzing transitive imports...")
+	internal.Vlogf("Analyzing transitive imports...")
 	// Explore the packages we've found for transitive deps, either
 	// completing the lock or identifying (more) missing projects that we'll
 	// need to ask gps to solve for us.
@@ -294,7 +295,7 @@ func getProjectData(ctx *dep.Ctx, pkgT pkgtree.PackageTree, cpr string, sm *gps.
 	dft = func(pkg string) error {
 		switch colors[pkg] {
 		case white:
-			vlogf("Analyzing %q...", pkg)
+			internal.Vlogf("Analyzing %q...", pkg)
 			colors[pkg] = grey
 
 			pr, err := sm.DeduceProjectRoot(pkg)

cmd/dep/main.go

@@ -14,6 +14,7 @@ import (
 	"text/tabwriter"
 
 	"github.com/golang/dep"
+	"github.com/golang/dep/internal"
 )
 
 var (
@@ -114,6 +115,8 @@ func main() {
 				os.Exit(1)
 			}
 
+			internal.Verbose = *verbose
+
 			// Set up the dep context.
 			ctx, err := dep.NewContext()
 			if err != nil {
@@ -167,7 +170,7 @@ func resetUsage(fs *flag.FlagSet, name, args, longHelp string) {
 	}
 }
 
-// parseArgs determines the name of the dep command and wether the user asked for
+// parseArgs determines the name of the dep command and whether the user asked for
 // help to be printed.
 func parseArgs(args []string) (cmdName string, printCmdUsage bool, exit bool) {
 	isHelpArg := func() bool {
@@ -192,15 +195,3 @@ func parseArgs(args []string) (cmdName string, printCmdUsage bool, exit bool) {
 	}
 	return cmdName, printCmdUsage, exit
 }
-
-func logf(format string, args ...interface{}) {
-	// TODO: something else?
-	fmt.Fprintf(os.Stderr, "dep: "+format+"\n", args...)
-}
-
-func vlogf(format string, args ...interface{}) {
-	if !*verbose {
-		return
-	}
-	logf(format, args...)
-}

cmd/dep/remove.go

@@ -11,6 +11,7 @@ import (
 	"strings"
 
 	"github.com/golang/dep"
+	"github.com/golang/dep/internal"
 	"github.com/pkg/errors"
 	"github.com/sdboyer/gps"
 	"github.com/sdboyer/gps/pkgtree"
@@ -91,7 +92,7 @@ func (cmd *removeCommand) Run(ctx *dep.Ctx, args []string) error {
 				// not being able to detect the root for an import path that's
 				// actually in the import list is a deeper problem. However,
 				// it's not our direct concern here, so we just warn.
-				logf("could not infer root for %q", pr)
+				internal.Logf("could not infer root for %q", pr)
 				continue
 			}
 			otherroots[pr] = true
@@ -106,7 +107,7 @@ func (cmd *removeCommand) Run(ctx *dep.Ctx, args []string) error {
 		}
 
 		if len(rm) == 0 {
-			logf("nothing to do")
+			internal.Logf("nothing to do")
 			return nil
 		}
 	} else {

internal/internal.go

@@ -0,0 +1,25 @@
+// Copyright 2016 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package internal
+
+import (
+	"fmt"
+	"os"
+)
+
+// Verbose specifies if verbose logging is enabled.
+var Verbose bool
+
+func Logf(format string, args ...interface{}) {
+	// TODO: something else?
+	fmt.Fprintf(os.Stderr, "dep: "+format+"\n", args...)
+}
+
+func Vlogf(format string, args ...interface{}) {
+	if !Verbose {
+		return
+	}
+	Logf(format, args...)
+}