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search.go
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search.go
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package main
import (
"bufio"
"io/fs"
"io/ioutil"
"os"
"path/filepath"
"regexp"
"sync"
"github.com/extism/cli"
)
type Search struct {
repos []repo
rx *regexp.Regexp
filterFilenames *regexp.Regexp
args *devFindArgs
}
func NewSearch(args *devFindArgs, query string, repos ...repo) *Search {
if args == nil {
args = &devFindArgs{}
}
var rx *regexp.Regexp
if query != "" {
rx = regexp.MustCompile(query)
}
return &Search{
repos: repos,
rx: rx,
filterFilenames: nil,
args: args,
}
}
func (search *Search) FilterFilenames(filter string) *Search {
search.filterFilenames = regexp.MustCompile(filter)
return search
}
func (search *Search) Iter(f func(string) error) error {
wg := sync.WaitGroup{}
for _, r := range search.repos {
path := r.path()
wg.Add(1)
go func(path string) {
defer wg.Done()
ignore, err := FromGit(path)
if err != nil {
ignore, _ = New()
}
err = ignore.Walk(path, func(path string, entry fs.FileInfo, err error) error {
if entry.IsDir() || !entry.Mode().IsRegular() {
return nil
}
abs, err := filepath.Abs(path)
if err != nil {
return err
}
file, err := os.Open(abs)
if err != nil {
return err
}
defer file.Close()
if search.filterFilenames != nil {
if !search.filterFilenames.Match([]byte(abs)) {
return nil
}
}
reader := bufio.NewReader(file)
if search.rx == nil || search.rx.MatchReader(reader) {
return f(abs)
}
return nil
})
if err != nil {
cli.Print("Error in", path+":", err)
}
}(path)
}
wg.Wait()
return nil
}
func (search *Search) Replace(r string) error {
f := func(path string) {
ignore, err := FromGit(path)
if err != nil {
ignore, _ = New()
}
ignore.Walk(path, func(path string, entry fs.FileInfo, err error) error {
if entry.IsDir() || !entry.Mode().IsRegular() {
return nil
}
abs, err := filepath.Abs(path)
if err != nil {
return err
}
data, err := ioutil.ReadFile(abs)
if err != nil {
return err
}
if search.filterFilenames != nil {
if !search.filterFilenames.Match([]byte(abs)) {
return nil
}
}
if search.rx.Match(data) {
if !search.args.prompt("Update ", path) {
return nil
}
cli.Print("Updating", abs)
if search.args.dryRun {
return nil
} else {
data := search.rx.ReplaceAll(data, []byte(r))
return ioutil.WriteFile(abs, data, entry.Mode().Perm())
}
}
return nil
})
}
wg := sync.WaitGroup{}
for _, r := range search.repos {
wg.Add(1)
go func(path string) {
defer wg.Done()
f(path)
}(r.path())
}
wg.Wait()
return nil
}