prepareSkips: to resolve regexps in excludes

Author: mfederowicz

go.mod

@@ -17,6 +17,7 @@ require (
 )
 
 require (
+	github.com/bmatcuk/doublestar/v4 v4.6.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
 	github.com/mattn/go-runewidth v0.0.16 // indirect

go.sum

@@ -1,5 +1,7 @@
 github.com/BurntSushi/toml v1.4.0 h1:kuoIxZQy2WRRk1pttg9asf+WVv6tWQuBNVmK8+nqPr0=
 github.com/BurntSushi/toml v1.4.0/go.mod h1:ukJfTF/6rtPPRCnwkur4qwRxa8vTRFBF0uk2lLoLwho=
+github.com/bmatcuk/doublestar/v4 v4.6.1 h1:FH9SifrbvJhnlQpztAx++wlkk70QBf0iBWDwNy7PA4I=
+github.com/bmatcuk/doublestar/v4 v4.6.1/go.mod h1:xBQ8jztBU6kakFMg+8WGxn0c6z1fTSPVIjEY1Wr7jzc=
 github.com/chavacava/garif v0.1.0 h1:2JHa3hbYf5D9dsgseMKAmc/MZ109otzgNFk5s87H9Pc=
 github.com/chavacava/garif v0.1.0/go.mod h1:XMyYCkEL58DF0oyW4qDjjnPWONs2HBqYKI+UIPD+Gww=
 github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=

revivelib/core.go

@@ -5,8 +5,10 @@ import (
 	"fmt"
 	"log"
 	"os"
+	"path/filepath"
 	"strings"
 
+	"github.com/bmatcuk/doublestar/v4"
 	"github.com/mgechev/dots"
 	"github.com/mgechev/revive/config"
 	"github.com/mgechev/revive/lint"
@@ -169,14 +171,42 @@ func getPackages(includePatterns []string, excludePatterns ArrayFlags) ([][]stri
 		globs = append(globs, ".")
 	}
 
-	packages, err := dots.ResolvePackages(globs, normalizeSplit(excludePatterns))
+	globs, skips, err := prepareSkips(globs, normalizeSplit(excludePatterns))
+	if err != nil {
+		return nil, fmt.Errorf("prepare skips - resolving excludes before dots: %w", err)
+	}
+
+	packages, err := dots.ResolvePackages(globs, skips)
 	if err != nil {
 		return nil, fmt.Errorf("getting packages - resolving packages in dots: %w", err)
 	}
 
 	return packages, nil
 }
 
+func prepareSkips(globs, excludes []string) ([]string, []string, error) {
+	var skips []string
+	for _, path := range globs {
+		var basepath string
+		basepath, _ = doublestar.SplitPattern(path)
+		fsys := os.DirFS(basepath)
+		for _, skip := range excludes {
+			matches, err := doublestar.Glob(fsys, skip)
+			if err != nil {
+				return nil, nil, fmt.Errorf("Skips Error: %v", err)
+			}
+			for _, match := range matches {
+				path = basepath+"/"+match
+				// create skip only for .go files
+				if filepath.Ext(path) == ".go" {
+					skips = append(skips, path)
+				}
+			}
+		}
+	}
+	return globs, skips, nil
+}
+
 func normalizeSplit(strs []string) []string {
 	res := []string{}
 

revivelib/core_test.go

@@ -36,6 +36,43 @@ func TestReviveLint(t *testing.T) {
 	}
 }
 
+func TestReviveLintExcludeWithRegexp(t *testing.T) {
+	// ARRANGE
+	revive := getMockRevive(t)
+
+	// ACT
+	files := []string{"../testdata/if-return.go"}
+	excludePatterns := []string{"*return*"}
+	packages := []*revivelib.LintPattern{}
+	for _, file := range files {
+		packages = append(packages, revivelib.Include(file))
+	}
+
+	for _, file := range excludePatterns {
+		packages = append(packages, revivelib.Exclude(file))
+	}
+
+	failures, err := revive.Lint(packages...)
+
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// ASSERT
+	failureList := []lint.Failure{}
+
+	for failure := range failures {
+		failureList = append(failureList, failure)
+	}
+
+	const expected = 0
+
+	got := len(failureList)
+	if got != expected {
+		t.Fatalf("Expected failures to have %d failures, but it has %d.", expected, got)
+	}
+}
+
 func TestReviveFormat(t *testing.T) {
 	// ARRANGE
 	revive := getMockRevive(t)