47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
// Copyright 2019-present Facebook Inc. All rights reserved.
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// This source code is licensed under the Apache 2.0 license found
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// in the LICENSE file in the root directory of this source tree.
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package internal
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import (
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"bufio"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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)
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// CheckDir checks the given dir and reports if there are any VCS conflicts.
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func CheckDir(dir string) error {
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return filepath.Walk(dir, func(path string, info os.FileInfo, err error) error {
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if info != nil && info.IsDir() && dir != path {
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return filepath.SkipDir
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}
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return checkFile(path)
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})
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}
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// conflictMarker holds the default marker string for
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// both Git and Mercurial (default length is 7).
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const conflictMarker = "<<<<<<<"
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// checkFile checks the given file line by line
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// and reports if it contains any VCS conflicts.
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func checkFile(path string) error {
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fi, err := os.Open(path)
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if err != nil {
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return err
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}
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defer fi.Close()
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scan := bufio.NewScanner(fi)
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scan.Split(bufio.ScanLines)
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for i := 0; scan.Scan(); i++ {
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if l := scan.Text(); strings.HasPrefix(l, conflictMarker) {
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return fmt.Errorf("vcs conflict %s:%d", path, i+1)
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}
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}
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return nil
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}
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