X-Git-Url: http://www.git.stargrave.org/?a=blobdiff_plain;f=main.go;h=0965a93e8eef7dcd68df08b9b1f3760c8e93286bbbdefdf74b3bf8e3c813bfa9;hb=512b4ec45c040338f9aea5c1e53783b817dfb85198b801eba892a452681f40b0;hp=c8615fdd85d4f2b76db67f755348feb0a9baf32c17bfdab0b72473fdb634dd58;hpb=db65ffeff7274def395c8ee747873d0e9d8250b75f543b6ac0d7bbd079cce66d;p=glocate.git

diff --git a/main.go b/main.go
index c8615fd..0965a93 100644
--- a/main.go
+++ b/main.go
@@ -1,13 +1,34 @@
+/*
+glocate -- ZFS-diff-friendly locate-like utility
+Copyright (C) 2022-2023 Sergey Matveev <stargrave@stargrave.org>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, version 3 of the License.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
 package main
 
 import (
 	"flag"
 	"log"
 	"os"
+	"path"
+	"path/filepath"
 	"strings"
 	"syscall"
 )
 
+var TmpDir string
+
 type Ent struct {
 	name  []string
 	mtime int64
@@ -32,14 +53,21 @@ func dbCommit(dbPath string, tmp *os.File) {
 func main() {
 	dbPath := flag.String("db", "glocate.db", "Path to database")
 	doIndex := flag.Bool("index", false, "Perform indexing")
-	doUpdate := flag.Bool("update", false, "Feed zfs-diff and update the database")
-	strip := flag.String("strip", "", "Strip prefix from zfs-diff's paths")
+	doUpdate := flag.String("update", "", "Update database")
 	showMachine := flag.Bool("machine", false, "Show machine friendly")
 	showTree := flag.Bool("tree", false, "Show human-friendly tree")
 	dryRun := flag.Bool("n", false, "Dry run, do not overwrite database")
+	rootPath := flag.String("root", "", "Search only that part of tree")
 	flag.Parse()
 	log.SetFlags(log.Ldate | log.Ltime | log.Lmicroseconds | log.Lshortfile)
 
+	var err error
+	TmpDir, err = filepath.Abs(*dbPath)
+	if err != nil {
+		panic(err)
+	}
+	TmpDir = path.Dir(TmpDir)
+
 	if *doIndex {
 		tmp := index()
 		tmp.Close()
@@ -49,8 +77,8 @@ func main() {
 		return
 	}
 
-	if *doUpdate {
-		tmp := updateWithDiff(*dbPath, *strip)
+	if *doUpdate != "" {
+		tmp := updateWithDiff(*dbPath, *doUpdate)
 		tmp.Close()
 		if !*dryRun {
 			dbCommit(*dbPath, tmp)
@@ -79,15 +107,42 @@ func main() {
 	}()
 
 	var root []string
+	if *rootPath != "" {
+		root = strings.Split("./"+*rootPath, "/")
+	}
+
+	var pat string
 	if len(flag.Args()) > 0 {
-		root = strings.Split("./"+flag.Arg(0), "/")
+		pat = "*" + flag.Arg(0) + "*"
 	}
 
 	rootMet := false
+	var matched bool
+	var namePrev []string
+	var i int
 	for ent := range entsReader {
 		if hasPrefix(ent.name, root) {
-			entsPrinter <- ent
 			rootMet = true
+			if pat == "" {
+				entsPrinter <- ent
+				continue
+			}
+			for i = 0; i < len(ent.name); i++ {
+				if i == len(namePrev) || ent.name[i] != namePrev[i] {
+					break
+				}
+			}
+			for ; i < len(ent.name); i++ {
+				matched, err = path.Match(pat,
+					strings.ToLower(strings.TrimSuffix(ent.name[i], "/")))
+				if err != nil {
+					log.Fatalln(err)
+				}
+			}
+			if matched {
+				entsPrinter <- ent
+			}
+			namePrev = ent.name
 		} else if rootMet {
 			break
 		}