scripts/Update-Pkg

   1 #!/bin/bash
   2 # --- T2-COPYRIGHT-NOTE-BEGIN ---
   3 # This copyright note is auto-generated by scripts/Create-CopyPatch.
   4 #
   5 # T2 SDE: scripts/Update-Pkg
   6 # Copyright (C) 2004 - 2020 The T2 SDE Project
   7 #
   8 # More information can be found in the files COPYING and README.
   9 #
  10 # This program is free software; you can redistribute it and/or modify
  11 # it under the terms of the GNU General Public License as published by
  12 # the Free Software Foundation; version 2 of the License. A copy of the
  13 # GNU General Public License can be found in the file COPYING.
  14 # --- T2-COPYRIGHT-NOTE-END ---
  15
  16 # Extract packagename and version number from the script arguments.
  17 pkg="$1"; shift
  18 ver="$1"; shift
  19
  20 # The script also supports the package name and version separated by a '-',
  21 # '_' or '.'. In this case they have to be separated from each other.
  22 if [ -z "$ver" ]; then
  23     ver=${pkg/*-/}
  24     pkg=${pkg%-$ver}
  25     if [ "$ver" == "$pkg" ]; then
  26         ver=${pkg/*_/}
  27         pkg=${pkg%_$ver}
  28     fi
  29     if [ "$ver" == "$pkg" ]; then
  30         pkg=${pkg/.*/}
  31         ver=${ver#$pkg.}
  32     fi
  33     [ "$ver" == "$pkg" ] && unset ver
  34 fi
  35
  36 # Check if both package name and version have been extracted from the
  37 # commandline arguments. If not the script was called with invalid
  38 # arguments, show the usage.
  39 if [ -z "$pkg" -o -z "$ver" ]; then
  40         echo "Usage: $0 pkg ver, pkg-ver, pkg_ver or pkg.ver"
  41         echo ""
  42         echo "Updating a package to a new versions."
  43         echo ""
  44         echo "  pkg     Packagename to be updated"
  45         echo "  ver     New version number for the package"
  46         echo "          ver=refresh makes it just add checksums"
  47         echo ""
  48         echo "For detailed information on how to update packages"
  49         echo "to new versions, please have a look at the online"
  50         echo "T2 documentaion."
  51         exit
  52 fi
  53
  54 # Make sure any diff files from previous runs are removed.
  55 rm -f $$.diff
  56
  57 # Only package names in lowercase are supported. As an additional
  58 # service any package names supplied in capitols will be converted
  59 # to lowercase.
  60 pkg=`echo "$pkg" | tr A-Z a-z`
  61
  62 # Of course we can only update packages we know about.
  63 if [ -d package/*/$pkg ]; then
  64         if [ "$ver" != "refresh" ]; then
  65                 # The package exists so now update the package descriptor
  66                 # for the given package to the new version. Luckily we have
  67                 # a script for that too :-)
  68                 scripts/Create-PkgUpdPatch "$pkg" "$ver" | tee $$.diff
  69                 patch -p1 < $$.diff
  70                 rm -f $$.diff
  71         fi
  72
  73         # Step 2: Use the modified package descriptor to download
  74         # the package. Again, nothing more that calling an existing
  75         # script.
  76         scripts/Download $pkg
  77
  78         # Third and final step is updating the checksum for the
  79         # new download.
  80         scripts/Create-CkSumPatch "$pkg" | patch -p0
  81 else
  82         # Oeps, the given package name does not exist.
  83         echo "ERROR: package $pkg doesn't exist"
  84         # As an extra service for the user a list possibilities is
  85         # presented with packages closely matching the given package
  86         # name.
  87         pkg=`echo "$pkg" | tr '\-_.' '***'`
  88         echo `echo package/*/*$pkg*/ | tr ' ' '\n' | grep -v '*' | cut -d'/' -f3`
  89 fi