[FEAT] Support Include/Exclude Filters for Grep (#3058)

fixes `TestRepoSearch` failing occasionally

Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/3058
Reviewed-by: Gusted <gusted@noreply.codeberg.org>
Co-authored-by: Shiny Nematoda <snematoda.751k2@aleeas.com>
Co-committed-by: Shiny Nematoda <snematoda.751k2@aleeas.com>

modules/git/grep.go

@@ -13,6 +13,8 @@ import (
 	"os"
 	"strconv"
 	"strings"
+
+	"code.gitea.io/gitea/modules/setting"
 )
 
 type GrepResult struct {
@@ -58,7 +60,15 @@ func GrepSearch(ctx context.Context, repo *Repository, search string, opts GrepO
 	} else {
 		cmd.AddOptionValues("-e", strings.TrimLeft(search, "-"))
 	}
-	cmd.AddDynamicArguments(cmp.Or(opts.RefName, "HEAD"))
+	// pathspec
+	files := make([]string, 0, len(setting.Indexer.IncludePatterns)+len(setting.Indexer.ExcludePatterns))
+	for _, expr := range setting.Indexer.IncludePatterns {
+		files = append(files, expr.Pattern())
+	}
+	for _, expr := range setting.Indexer.ExcludePatterns {
+		files = append(files, ":^"+expr.Pattern())
+	}
+	cmd.AddDynamicArguments(cmp.Or(opts.RefName, "HEAD")).AddDashesAndList(files...)
 	opts.MaxResultLimit = cmp.Or(opts.MaxResultLimit, 50)
 	stderr := bytes.Buffer{}
 	err = cmd.Run(&RunOpts{

modules/setting/indexer.go

@@ -30,8 +30,8 @@ var Indexer = struct {
 	RepoConnStr          string
 	RepoIndexerName      string
 	MaxIndexerFileSize   int64
-	IncludePatterns      []glob.Glob
-	ExcludePatterns      []glob.Glob
+	IncludePatterns      []Glob
+	ExcludePatterns      []Glob
 	ExcludeVendored      bool
 }{
 	IssueType:        "bleve",
@@ -50,6 +50,19 @@ var Indexer = struct {
 	ExcludeVendored:      true,
 }
 
+type Glob struct {
+	glob    glob.Glob
+	pattern string
+}
+
+func (g *Glob) Match(s string) bool {
+	return g.glob.Match(s)
+}
+
+func (g *Glob) Pattern() string {
+	return g.pattern
+}
+
 func loadIndexerFrom(rootCfg ConfigProvider) {
 	sec := rootCfg.Section("indexer")
 	Indexer.IssueType = sec.Key("ISSUE_INDEXER_TYPE").MustString("bleve")
@@ -90,15 +103,15 @@ func loadIndexerFrom(rootCfg ConfigProvider) {
 }
 
 // IndexerGlobFromString parses a comma separated list of patterns and returns a glob.Glob slice suited for repo indexing
-func IndexerGlobFromString(globstr string) []glob.Glob {
-	extarr := make([]glob.Glob, 0, 10)
+func IndexerGlobFromString(globstr string) []Glob {
+	extarr := make([]Glob, 0, 10)
 	for _, expr := range strings.Split(strings.ToLower(globstr), ",") {
 		expr = strings.TrimSpace(expr)
 		if expr != "" {
 			if g, err := glob.Compile(expr, '.', '/'); err != nil {
 				log.Info("Invalid glob expression '%s' (skipped): %v", expr, err)
 			} else {
-				extarr = append(extarr, g)
+				extarr = append(extarr, Glob{glob: g, pattern: expr})
 			}
 		}
 	}