Method write_commit

src/borg/legacyrepository.py:1735–1745

(self, intermediate=False)

        return self.segment, self.HEADER_ID_SIZE

    def write_commit(self, intermediate=False):
        # Intermediate commits go directly into the current segment - this makes checking their validity more
        # expensive, but is faster and reduces clobber. Final commits go into a new segment.
        fd = self.get_write_fd(want_new=not intermediate, no_new=intermediate)
        if intermediate:
            fd.sync()
        header = self.header_no_crc_fmt.pack(self.header_fmt.size, TAG_COMMIT)
        crc = self.crc_fmt.pack(crc32(header) & 0xFFFFFFFF)
        fd.write(b"".join((crc, header)))
        self.close_segment()
        return self.segment - 1  # close_segment() increments it


assert LoggedIO.HEADER_ID_SIZE + LoggedIO.ENTRY_HASH_SIZE == 41 + 8  # see constants.MAX_OBJECT_SIZE