| // Copyright 2016 Google Inc. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package main |
| |
| import ( |
| "context" |
| "flag" |
| "fmt" |
| "log" |
| "os" |
| "path/filepath" |
| "runtime/pprof" |
| "time" |
| |
| "github.com/google/zoekt" |
| "github.com/google/zoekt/query" |
| "github.com/google/zoekt/shards" |
| ) |
| |
| func displayMatches(files []zoekt.FileMatch, pat string, withRepo bool) { |
| for _, f := range files { |
| for _, m := range f.LineMatches { |
| if withRepo { |
| fmt.Printf("%s/%s:%d:%s\n", f.Repository, f.FileName, m.LineNumber, m.Line) |
| } else { |
| fmt.Printf("%s:%d:%s\n", f.FileName, m.LineNumber, m.Line) |
| } |
| } |
| } |
| } |
| |
| func loadShard(fn string) (zoekt.Searcher, error) { |
| f, err := os.Open(fn) |
| if err != nil { |
| return nil, err |
| } |
| |
| iFile, err := zoekt.NewIndexFile(f) |
| if err != nil { |
| return nil, err |
| } |
| s, err := zoekt.NewSearcher(iFile) |
| if err != nil { |
| iFile.Close() |
| return nil, fmt.Errorf("NewSearcher(%s): %v", fn, err) |
| } |
| |
| return s, nil |
| } |
| |
| func main() { |
| shard := flag.String("shard", "", "search in a specific shard") |
| index := flag.String("index_dir", |
| filepath.Join(os.Getenv("HOME"), ".zoekt"), "search for index files in `directory`") |
| cpuProfile := flag.String("cpu_profile", "", "write cpu profile to `file`") |
| profileTime := flag.Duration("profile_time", time.Second, "run this long to gather stats.") |
| verbose := flag.Bool("v", false, "print some background data") |
| withRepo := flag.Bool("r", false, "print the repo before the file name") |
| |
| flag.Usage = func() { |
| name := os.Args[0] |
| fmt.Fprintf(os.Stderr, "Usage:\n\n %s [option] QUERY\n"+ |
| "for example\n\n %s 'byte file:java -file:test'\n\n", name, name) |
| flag.PrintDefaults() |
| fmt.Fprintf(os.Stderr, "\n") |
| } |
| flag.Parse() |
| |
| if len(flag.Args()) == 0 { |
| fmt.Fprintf(os.Stderr, "Pattern is missing.\n") |
| flag.Usage() |
| os.Exit(2) |
| } |
| pat := flag.Arg(0) |
| |
| var searcher zoekt.Searcher |
| var err error |
| if *shard != "" { |
| searcher, err = loadShard(*shard) |
| } else { |
| searcher, err = shards.NewDirectorySearcher(*index) |
| } |
| |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| query, err := query.Parse(pat) |
| if err != nil { |
| log.Fatal(err) |
| } |
| if *verbose { |
| log.Println("query:", query) |
| } |
| |
| var sOpts zoekt.SearchOptions |
| sres, err := searcher.Search(context.Background(), query, &sOpts) |
| if *cpuProfile != "" { |
| // If profiling, do it another time so we measure with |
| // warm caches. |
| f, err := os.Create(*cpuProfile) |
| if err != nil { |
| log.Fatal(err) |
| } |
| defer f.Close() |
| if *verbose { |
| log.Println("Displaying matches...") |
| } |
| |
| t := time.Now() |
| pprof.StartCPUProfile(f) |
| for { |
| sres, _ = searcher.Search(context.Background(), query, &sOpts) |
| if time.Since(t) > *profileTime { |
| break |
| } |
| } |
| pprof.StopCPUProfile() |
| } |
| |
| if err != nil { |
| log.Fatal(err) |
| } |
| |
| displayMatches(sres.Files, pat, *withRepo) |
| if *verbose { |
| log.Printf("stats: %#v", sres.Stats) |
| } |
| } |