-(define git-file?
- (let* ((pipe (with-directory-excursion %source-dir
- (open-pipe* OPEN_READ "git" "ls-files")))
- (files (let loop ((lines '()))
- (match (read-line pipe)
- ((? eof-object?)
- (reverse lines))
- (line
- (loop (cons line lines))))))
- (status (close-pipe pipe)))
- (lambda (file stat)
- (match (stat:type stat)
- ('directory #t)
- ((or 'regular 'symlink)
- (any (cut string-suffix? <> file) files))
- (_ #f)))))
-