auto-import changelog data from rpm-4.0.4-0.29.src.rpm
    Mon Feb 04 2002 Jeff Johnson <jbj@redhat.com>
    - generate index for pkgid (aka Sigmd5) tag, query/verify by pkgid.
    - generate index for hdrid (aka Sha1header) tag, query/verify by hdrid.
    - generate index for fileid (aka Filemd5s) tag, query/verify by fileid.
    - query/verify by install transaction id.