distrib/MacOS/installer-scripts/Uninstaller

   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 if [ ${INSTALL_BASE} = / ]; then
  10   INSTALL_BASE=/usr
  11 fi
  12 INSTALL_BIN=${INSTALL_BASE}/bin
  13 INSTALL_MAN1=${INSTALL_BASE}/share/man/man1
  14 INSTALL_HTML=${INSTALL_BASE}/share/doc
  15
  16 if [ ! -x ${INSTALL_DEST}/GHC.framework ]; then
  17   echo "${INSTALL_DEST}/GHC.framework does not exit"
  18   exit 1
  19 fi
  20
  21 if [ ${USER} != root ]; then
  22   echo "GHC.framework installer must be run with admin privileges"
  23   echo "Prefix command by 'sudo'"
  24   exit 1
  25 fi
  26
  27 VERSIONS=(`ls ${INSTALL_DEST}/GHC.framework/Versions`)
  28 NO_VERSIONS=${#VERSIONS[@]}
  29
  30 if [ ${VERSIONS[${NO_VERSIONS}-1]} != Current ]; then
  31   echo "Fatal error: last version should be Current"
  32   echo "Found versions: ${VERSIONS[@]}"
  33   exit 1
  34 fi
  35 CURRENT_PHYS=`cd /Library/Frameworks/GHC.framework/Versions/Current; pwd -P`
  36 CURRENT=`basename ${CURRENT_PHYS}`
  37
  38 if [ ${NO_VERSIONS} -ne 2 ]; then
  39   echo "Multiple versions of GHC.framework are currently installed."
  40   echo "This uninstaller removes GHC.framework entirely and should only"
  41   echo "be used if there is exactly one version."
  42   echo
  43   echo "To remove individual old versions, simply delete the directory"
  44   echo "${INSTALL_DEST}/GHC.framework/Versions/VERSION_TO_REMOVE"
  45   echo
  46   echo "Found versions: ${VERSIONS[@]}(= ${CURRENT})"
  47   exit 1
  48 fi
  49
  50 echo "Removing symbolic links into GHC.framework"
  51 for thisfile in `ls ${INSTALL_BIN}`; do
  52   if ls -l ${INSTALL_BIN}/${thisfile} | grep -q GHC.framework/Versions; then
  53     rm -f ${INSTALL_BIN}/${thisfile}
  54   fi
  55 done
  56 for thisfile in `ls ${INSTALL_MAN1}`; do
  57   if ls -l ${INSTALL_MAN1}/${thisfile} | grep -q GHC.framework/Versions; then
  58     rm -f ${INSTALL_MAN1}/${thisfile}
  59   fi
  60 done
  61 for thisfile in `ls ${INSTALL_HTML}`; do
  62   if ls -l ${INSTALL_HTML}/${thisfile} | grep -q GHC.framework/Versions; then
  63     rm -f ${INSTALL_HTML}/${thisfile}
  64   fi
  65 done
  66
  67 echo "Removing ${INSTALL_DEST}/GHC.framework"
  68 rm -rf ${INSTALL_DEST}/GHC.framework
  69
  70 echo "Removing package recipt"
  71 rm -f /Library/Receipts/boms/org.haskell.glasgowHaskellCompiler.ghc.pkg.bom
  72
  73 echo "${INSTALL_DEST}/GHC.framework has been purged!"