distrib/MacOS/installer-scripts/Uninstaller.in

   1 #!/bin/sh
   2
   3 # Uninstaller script for GHC.framework
   4 # (currently only for system volume installations)
   5
   6 INSTALL_DEST=/Library/Frameworks
   7 INSTALL_BASE=/
   8
   9 # Turn off things that might make /usr/bin/ls give funky output
  10 unset CLICOLOR
  11 unset CLICOLOR_FORCE
  12 unset LSCOLORS
  13
  14 if [ ${INSTALL_BASE} = / ]; then
  15   INSTALL_BASE=/usr
  16 fi
  17 INSTALL_BIN=${INSTALL_BASE}/bin
  18 INSTALL_MAN1=${INSTALL_BASE}/share/man/man1
  19 INSTALL_HTML=${INSTALL_BASE}/share/doc
  20
  21 if [ ! -x ${INSTALL_DEST}/GHC.framework ]; then
  22   echo "${INSTALL_DEST}/GHC.framework does not exit"
  23   exit 1
  24 fi
  25
  26 if [ ${USER} != root ]; then
  27   echo "GHC.framework installer must be run with admin privileges"
  28   echo "Prefix command by 'sudo'"
  29   exit 1
  30 fi
  31
  32 FRAMEWORK_DIRECTORY="$INSTALL_DEST/GHC.framework"
  33 VERSIONS_DIRECTORY="$FRAMEWORK_DIRECTORY/Versions"
  34
  35 MY_VERSION=@ProjectVersion@-@TargetArch_CPP@
  36 MY_DIRECTORY="$VERSIONS_DIRECTORY/$MY_VERSION"
  37
  38 CURRENT_DIRECTORY="$VERSIONS_DIRECTORY/Current"
  39 CURRENT_VERSION=`readlink "$CURRENT_DIRECTORY"`
  40
  41 if [ "$CURRENT_VERSION" = "$MY_VERSION" ]
  42 then
  43     rm -f "$CURRENT_DIRECTORY"
  44
  45     removeLinksFrom () {
  46         for f in `ls -1 "$MY_DIRECTORY/$1"`
  47         do
  48             qf="$1/$f"
  49             # Sanity check that it is a link like we expect
  50             l=`readlink "$qf" | grep GHC.framework/Versions`
  51             if [ "$l" != "" ]
  52             then
  53                 rm -f "$qf"
  54             fi
  55         done
  56     }
  57
  58     removeLinksFrom /usr/bin
  59     removeLinksFrom /usr/share/man/man1
  60     removeLinksFrom /usr/share/doc
  61 fi
  62
  63 echo "Removing $MY_DIRECTORY"
  64 rm -rf "$MY_DIRECTORY"
  65
  66 if [ "$CURRENT_VERSION" = "$MY_VERSION" ]
  67 then
  68     # This isn't ideal, but it's a vague approximation to
  69     # "the most recent version":
  70     NEW_VERSION=`ls -1 "$VERSIONS_DIRECTORY" | tail -1`
  71     if [ "$NEW_VERSION" = "" ]
  72     then
  73         echo "Removing $FRAMEWORK_DIRECTORY"
  74         rm -rf "$FRAMEWORK_DIRECTORY"
  75     else
  76         ln -s "$NEW_VERSION" "$CURRENT_DIRECTORY"
  77         NEW_CREATE_LINKS="$VERSIONS_DIRECTORY/$NEW_VERSION/Tools/create-links"
  78         if [ -f "$NEW_CREATE_LINKS" ]
  79         then
  80             sh "$NEW_CREATE_LINKS"
  81         fi
  82     fi
  83 fi
  84
  85 echo "Removing package receipt"
  86 # The first is for Leopard packages and the second for Tiger packages.
  87 rm -f "/Library/Receipts/boms/org.haskell.ghc.$MY_VERSION.bom"
  88 rm -rf "/Library/Receipts/ghc.$MY_VERSION.pkg"
  89
  90 echo "Done."
  91