diff options
Diffstat (limited to 'vrsite/log.go')
| -rw-r--r-- | vrsite/log.go | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/vrsite/log.go b/vrsite/log.go deleted file mode 100644 index a0a4f3e..0000000 --- a/vrsite/log.go +++ /dev/null @@ -1,56 +0,0 @@ -package main - -import ( - "fmt" - "os" - "sync" -) - -// logStore is implemented by the production jj sidecar and by the file-backed -// adapter used in tests. Append's callback makes session note numbering atomic -// with the content update. -type logStore interface { - Read() ([]byte, error) - Generation() (string, error) - Append(func(current []byte) ([]byte, error)) error - String() string -} - -type fileLog struct { - path string - mu sync.Mutex -} - -func newFileLog(path string) *fileLog { return &fileLog{path: path} } - -func (l *fileLog) String() string { return l.path } - -func (l *fileLog) Read() ([]byte, error) { return os.ReadFile(l.path) } - -func (l *fileLog) Generation() (string, error) { - info, err := os.Stat(l.path) - if err != nil { - return "", err - } - return fmt.Sprintf("%d:%d", info.Size(), info.ModTime().UnixNano()), nil -} - -func (l *fileLog) Append(makePayload func(current []byte) ([]byte, error)) error { - l.mu.Lock() - defer l.mu.Unlock() - current, err := os.ReadFile(l.path) - if err != nil && !os.IsNotExist(err) { - return err - } - payload, err := makePayload(current) - if err != nil { - return err - } - f, err := os.OpenFile(l.path, os.O_CREATE|os.O_APPEND|os.O_WRONLY, 0o644) - if err != nil { - return err - } - defer f.Close() - _, err = f.Write(payload) - return err -} |
