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🎨 observe the error, if there is one

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This commit is contained in:
Davyd McColl 2021-06-11 17:06:47 +02:00 committed by Jesse Duffield
parent aa9ef12d43
commit 31bcd632c7
1 changed files with 16 additions and 2 deletions
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18
pkg/app/app.go
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@ -370,12 +370,26 @@ func TailLogsNative(logFilePath string, opts *humanlog.HandlerOptions) {
} }
} }
func OpenAndSeek(filepath string, offset int64) (*os.File, error) {
file, err := os.Open(filepath)
if err != nil {
return nil, err
}
_, err = file.Seek(offset, 0)
if err != nil {
_ = file.Close()
return nil, err
}
return file, nil
}
func TailFrom(lastOffset int64, logFilePath string, opts *humanlog.HandlerOptions) error { func TailFrom(lastOffset int64, logFilePath string, opts *humanlog.HandlerOptions) error {
file, err := os.Open(logFilePath) file, err := OpenAndSeek(logFilePath, lastOffset)
if err != nil { if err != nil {
return err return err
} }
file.Seek(lastOffset, 0)
fileScanner := bufio.NewScanner(file) fileScanner := bufio.NewScanner(file)
var lines []string var lines []string
for fileScanner.Scan() { for fileScanner.Scan() {