Introduce IgnoredRuleset

cmd/dep/integration_test.go

@@ -123,8 +123,12 @@ func testIntegration(name, relPath, wd string, run integration.RunFunc) func(t *
 		// Check error raised in final command
 		testCase.CompareError(err, testProj.GetStderr())
 
-		// Check output
-		testCase.CompareOutput(testProj.GetStdout())
+		if *test.UpdateGolden {
+			testCase.UpdateOutput(testProj.GetStdout())
+		} else {
+			// Check output
+			testCase.CompareOutput(testProj.GetStdout())
+		}
 
 		// Check vendor paths
 		testProj.CompareImportPaths()

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-ignore/stdout.txt

@@ -0,0 +1,11 @@
+-CONSTRAINTS-
+github.com/sdboyer/deptest
+b-master
+-IMPORTS/REQS-
+github.com/sdboyer/deptest
+-IGNORES-
+-OVERRIDES-
+-ANALYZER-
+dep
+1
+

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-ignore/testcase.json

@@ -1,6 +1,7 @@
 {
   "commands": [
-    ["ensure"]
+    ["ensure"],
+    ["hash-inputs"]
   ],
   "error-expected": "",
   "vendor-final": [

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-other-root/final/Gopkg.toml

@@ -0,0 +1 @@
+ignored = ["github.com/sdboyer/deptest*", "github.com/golang/notexist/samples*"]

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-other-root/initial/Gopkg.toml

@@ -0,0 +1 @@
+ignored = ["github.com/sdboyer/deptest*", "github.com/golang/notexist/samples*"]

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-other-root/initial/main.go

@@ -0,0 +1,12 @@
+// Copyright 2017 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 main
+
+import (
+	_ "github.com/sdboyer/deptest"
+)
+
+func main() {
+}

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-other-root/initial/samples/samples.go

@@ -0,0 +1,7 @@
+// Copyright 2017 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 samples
+
+import _ "github.com/sdboyer/deptestdos"

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-other-root/initial/samples/subsamples/subsamples.go

@@ -0,0 +1,7 @@
+// Copyright 2017 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 subsamples
+
+import _ "github.com/sdboyer/dep-test"

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-other-root/stdout.txt

@@ -0,0 +1,9 @@
+-CONSTRAINTS-
+-IMPORTS/REQS-
+-IGNORES-
+github.com/sdboyer/deptest*
+-OVERRIDES-
+-ANALYZER-
+dep
+1
+

cmd/dep/testdata/harness_tests/ensure/pkg-ignored/wildcard-other-root/testcase.json

@@ -0,0 +1,8 @@
+{
+  "commands": [
+    ["ensure"],
+    ["hash-inputs"]
+  ],
+  "error-expected": "",
+  "vendor-final": []
+}

cmd/dep/testdata/harness_tests/init/glide/case1/final/Gopkg.toml

@@ -1,4 +1,4 @@
-ignored = ["github.com/sdboyer/dep-test","github.com/golang/notexist/samples"]
+ignored = ["github.com/golang/notexist/samples","github.com/sdboyer/dep-test"]
 
 [[constraint]]
   name = "github.com/carolynvs/deptest-subpkg"

internal/gps/hash.go

@@ -13,8 +13,6 @@ import (
 	"strings"
 )
 
-const wcIgnoreSuffix = "*"
-
 // string headers used to demarcate sections in hash input creation
 const (
 	hhConstraints = "-CONSTRAINTS-"
@@ -81,30 +79,16 @@ func (s *solver) writeHashingInputs(w io.Writer) {
 	// those will have already been implicitly incorporated by the import
 	// lister.
 	writeString(hhIgnores)
-	ig := make([]string, 0, len(s.rd.ig))
-	for pkg := range s.rd.ig {
-		// Skip wildcard ignore. They are handled separately below.
-		if strings.HasSuffix(pkg, wcIgnoreSuffix) {
-			continue
-		}
-
-		if !strings.HasPrefix(pkg, s.rd.rpt.ImportRoot) || !isPathPrefixOrEqual(s.rd.rpt.ImportRoot, pkg) {
-			ig = append(ig, pkg)
-		}
-	}
-
-	// Add wildcard ignores to ignore list.
-	if s.rd.igpfx != nil {
-		s.rd.igpfx.Walk(func(s string, v interface{}) bool {
-			ig = append(ig, s+"*")
-			return false
-		})
-	}
 
+	ig := s.rd.ir.ToSlice()
 	sort.Strings(ig)
-
 	for _, igp := range ig {
-		writeString(igp)
+		// Typical prefix comparison checks will erroneously fail if the wildcard
+		// is present. Trim it off, if present.
+		tigp := strings.TrimSuffix(igp, "*")
+		if !strings.HasPrefix(tigp, s.rd.rpt.ImportRoot) || !isPathPrefixOrEqual(s.rd.rpt.ImportRoot, tigp) {
+			writeString(igp)
+		}
 	}
 
 	// Overrides *also* need their own special entry distinct from basic

internal/gps/hash_test.go

@@ -11,6 +11,8 @@ import (
 	"strings"
 	"testing"
 	"text/tabwriter"
+
+	"github.com/golang/dep/internal/gps/pkgtree"
 )
 
 func TestHashInputs(t *testing.T) {
@@ -64,10 +66,7 @@ func TestHashInputsReqsIgs(t *testing.T) {
 	fix := basicFixtures["shared dependency with overlapping constraints"]
 
 	rm := fix.rootmanifest().(simpleRootManifest).dup()
-	rm.ig = map[string]bool{
-		"foo": true,
-		"bar": true,
-	}
+	rm.ig = pkgtree.NewIgnoredRuleset([]string{"foo", "bar"})
 
 	params := SolveParameters{
 		RootDir:         string(fix.ds[0].n),
@@ -611,7 +610,7 @@ func TestHashInputsIneffectualWildcardIgs(t *testing.T) {
 
 	cases := []struct {
 		name      string
-		ignoreMap map[string]bool
+		ignoreMap []string
 		elems     []string
 	}{
 		{
@@ -634,10 +633,10 @@ func TestHashInputsIneffectualWildcardIgs(t *testing.T) {
 		},
 		{
 			name: "different wildcard ignores",
-			ignoreMap: map[string]bool{
-				"foobar*":    true,
-				"foobarbaz*": true,
-				"foozapbar*": true,
+			ignoreMap: []string{
+				"foobar*",
+				"foobarbaz*",
+				"foozapbar*",
 			},
 			elems: []string{
 				hhConstraints,
@@ -662,7 +661,7 @@ func TestHashInputsIneffectualWildcardIgs(t *testing.T) {
 	for _, c := range cases {
 		t.Run(c.name, func(t *testing.T) {
 
-			rm.ig = c.ignoreMap
+			rm.ig = pkgtree.NewIgnoredRuleset(c.ignoreMap)
 
 			params.Manifest = rm
 

internal/gps/manifest.go

@@ -4,6 +4,8 @@
 
 package gps
 
+import "github.com/golang/dep/internal/gps/pkgtree"
+
 // Manifest represents manifest-type data for a project at a particular version.
 // The constraints expressed in a manifest determine the set of versions that
 // are acceptable to try for a given project.
@@ -36,14 +38,15 @@ type RootManifest interface {
 	// them can harm the ecosystem as a whole.
 	Overrides() ProjectConstraints
 
-	// IngoredPackages returns a set of import paths to ignore. These import
-	// paths can be within the root project, or part of other projects. Ignoring
-	// a package means that both it and its (unique) imports will be disregarded
-	// by all relevant solver operations.
+	// IngoredPackages returns a pkgtree.IgnoredRuleset, which comprises a set
+	// of import paths, or import path patterns, that are to be ignored during
+	// solving. These ignored import paths can be within the root project, or
+	// part of other projects. Ignoring a package means that both it and its
+	// (unique) imports will be disregarded by all relevant solver operations.
 	//
 	// It is an error to include a package in both the ignored and required
 	// sets.
-	IgnoredPackages() map[string]bool
+	IgnoredPackages() *pkgtree.IgnoredRuleset
 
 	// RequiredPackages returns a set of import paths to require. These packages
 	// are required to be present in any solution. The list can include main
@@ -76,8 +79,9 @@ func (m SimpleManifest) DependencyConstraints() ProjectConstraints {
 // simpleRootManifest exists so that we have a safe value to swap into solver
 // params when a nil Manifest is provided.
 type simpleRootManifest struct {
-	c, ovr  ProjectConstraints
-	ig, req map[string]bool
+	c, ovr ProjectConstraints
+	ig     *pkgtree.IgnoredRuleset
+	req    map[string]bool
 }
 
 func (m simpleRootManifest) DependencyConstraints() ProjectConstraints {
@@ -86,7 +90,7 @@ func (m simpleRootManifest) DependencyConstraints() ProjectConstraints {
 func (m simpleRootManifest) Overrides() ProjectConstraints {
 	return m.ovr
 }
-func (m simpleRootManifest) IgnoredPackages() map[string]bool {
+func (m simpleRootManifest) IgnoredPackages() *pkgtree.IgnoredRuleset {
 	return m.ig
 }
 func (m simpleRootManifest) RequiredPackages() map[string]bool {
@@ -96,7 +100,6 @@ func (m simpleRootManifest) dup() simpleRootManifest {
 	m2 := simpleRootManifest{
 		c:   make(ProjectConstraints, len(m.c)),
 		ovr: make(ProjectConstraints, len(m.ovr)),
-		ig:  make(map[string]bool, len(m.ig)),
 		req: make(map[string]bool, len(m.req)),
 	}
 
@@ -106,13 +109,13 @@ func (m simpleRootManifest) dup() simpleRootManifest {
 	for k, v := range m.ovr {
 		m2.ovr[k] = v
 	}
-	for k, v := range m.ig {
-		m2.ig[k] = v
-	}
 	for k, v := range m.req {
 		m2.req[k] = v
 	}
 
+	// IgnoredRulesets are immutable, and safe to reuse.
+	m2.ig = m.ig
+
 	return m2
 }