anchor.diff:  
   
   # The newest version of TSM client should be discoverable by
  -# going to the `downloadPage` (see `meta` below), then
  -# * find section "Client Service Release",
  -# * pick the latest version and follow the link
  -#   "IBM Spectrum Protect Client .. Downloads and READMEs"
  -# * in the table at the page's bottom, follow the
  -#   "HTTPS" link of the "Linux x86_64 Ubuntu client"
  -# * in the directory listing, pick the big `.tar` file
  -# (as of 2021-12-13)
  +# going to the `downloadPage` (see `meta` below).
  +# Find the "Backup-archive client" table on that page.
  +# Look for "Download Documents" of the latest release.
  +# Here, two links must be checked:
  +# * "IBM Spectrum Protect Client ... Downloads and READMEs":
  +#   In the table at the page's bottom,
  +#   check the date of the "Linux x86_64 client"
  +# * "IBM Spectrum Protect BA client ... interim fix downloads"
  +# Look for the "Linux x86_64 client" rows
  +# in the table # at the bottom of each page.
  +# Follow the "HTTPS" link of the row with the latest date stamp.
  +# In the directory listing to show up, pick the big `.tar` file.
  +#
  +# (as of 2021-12-18)
   
   
   let
  
positive.code:     sourceRoot = ".";
  
      postUnpack = ''
        for debfile in *.deb
        do
          ar -x "$debfile"
          tar --xz --extract --file=data.tar.xz
          rm data.tar.xz
        done
      '';
  
      installPhase = ''
  
negative.code: , stdenv
  , fetchurl
  , autoPatchelfHook
  , rpmextract
  , openssl
  , zlib
  , lvm2  # LVM image backup and restore functions (optional)
  