Adding uninstall.sh script to be included in self-extracting archive. This will get called within the setup.sh script to uninstall previous versions of O3D. Can also be manually invoked by a user directly to remove files.

Review URL: http://codereview.chromium.org/171128

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@25297 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 127 insertions, 2 deletions

diff --git a/o3d/installer/linux/generic/setup.sh b/o3d/installer/linux/generic/setup.sh
index 6606e18..82d2633 100755
--- a/o3d/installer/linux/generic/setup.sh
+++ b/o3d/installer/linux/generic/setup.sh
@@ -59,6 +59,15 @@ SetRootUser() {
 }
 
 
+UninstallO3d() {
+  # Uninstall previous version(s) of O3D before running setup
+  if [ -x "/opt/google/o3d/uninstall.sh" ]; then
+    echo "Removing previous version(s) of O3D"
+    /opt/google/o3d/uninstall.sh
+  fi
+}
+
+
 SetupO3d() {
   # Create npapi plugin directories, copy and symlink libs.
   O3D_DIR="/opt/google/o3d"
@@ -83,8 +92,9 @@ SetupO3d() {
   echo "ok"
 
   echo -n "Installing files to $O3D_DIR..."
-  install --mode=644 ${LIB3D} $O3D_DIR
-  install --mode=644 ${LIBS} $LIB_DIR
+  install --mode=0644 ${LIB3D} $O3D_DIR
+  install --mode=0755 ./uninstall.sh $O3D_DIR
+  install --mode=0644 ${LIBS} $LIB_DIR
   echo "ok"
 
   echo -n "Creating symlinks to plugin..."
@@ -132,4 +142,5 @@ SetupO3d() {
 
 CheckArch
 SetRootUser
+UninstallO3d
 SetupO3d
diff --git a/o3d/installer/linux/generic/uninstall.sh b/o3d/installer/linux/generic/uninstall.sh
new file mode 100755
index 0000000..4b94b57
--- /dev/null
+++ b/o3d/installer/linux/generic/uninstall.sh
@@ -0,0 +1,114 @@
+#!/bin/sh
+# Uninstalls O3D plugin for Linux
+#
+# Copyright 2009, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+#       copyright notice, this list of conditions and the following disclaimer
+#       in the documentation and/or other materials provided with the
+#       distribution.
+#     * Neither the name of Google Inc. nor the names of its
+#       contributors may be used to endorse or promote products derived from
+#       this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+PATH=$PATH:/usr/bin/:/usr/local/bin
+
+CheckArch() {
+  # Look for 32 or 64 bit arch from the kernel. If we can not get a read
+  # on the arch, we'll go with "unknown".
+  ARCH=$(uname -m)
+  case $ARCH in
+    i?86 | i86*)
+      ARCH="32bit";;
+    x86_64 | amd64)
+      ARCH="64bit";;
+    *)
+      ARCH="unknown";;
+  esac
+
+  echo "System architecture mapped to: $ARCH"
+}
+
+
+SetRootUser() {
+  # We need to be root (or run as sudo) in order to perform uninstall.
+  USER=$(id -u)
+  if [ "$USER" != "0" ]; then
+    echo "You must be root (or sudo) to remove this package."
+    exit 1
+  fi
+}
+
+
+Uninstall() {
+  # Remove O3D plugin, dirs and symlinks.
+  O3D_DIR="/opt/google/o3d"
+  APPS="mozilla firefox iceape iceweasel xulrunner midbrowser xulrunner-addons"
+  LIBS="libCg.so libCgGL.so libGLEW.so.1.5"
+  LIB3D="libnpo3dautoplugin.so"
+  LIB3D_WRAPPED="npwrapper.libnpo3dautoplugin.so"
+
+  # Prompt user for verification to remove files and directories.
+  echo "
+  Do you wish to completely remove all previous version(s) of
+  the O3D plugin, directories and included libs? (y/N)"
+  read answer
+  if [ "$answer" = "y" ]; then
+    echo -n "Removing O3D plugin, directories and libs..."
+    rm ${O3D_DIR}/libnpo3dautoplugin.so
+    rm ${O3D_DIR}/lib/libCg.so
+    rm ${O3D_DIR}/lib/libCgGL.so
+    rm ${O3D_DIR}/lib/libGLEW.so.1.5
+    for app in $APPS; do
+      for lib in $LIBS; do
+        if [ -L "/usr/lib/${app}/plugins/${lib}" ]; then
+          rm /usr/lib/${app}/plugins/${lib}
+        fi
+      done
+    done
+    rm ${O3D_DIR}/uninstall.sh
+    rmdir $O3D_DIR
+    echo "ok"
+  else
+    echo "Aborting at users request"
+    exit 0
+  fi
+
+  # If 64bit, remove the wrapped plugin.
+  if [ "$ARCH" = "64bit" ]; then
+    echo -n "Removing $LIB3D_WRAPPED..."
+    for app in $APPS; do
+      if [ -L "/usr/lib/${app}/plugins/${LIB3D_WRAPPED}" ]; then
+        rm /usr/lib/${app}/plugins/${LIB3D_WRAPPED}
+      fi
+    done
+    echo "Done. Uninstall complete!"
+    exit 0
+  fi
+
+  echo "Done. Uninstall complete!"
+  exit 0
+}
+
+CheckArch
+SetRootUser
+Uninstall