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[patch] Updated script to prevent migration when $HOME/.trinity is a sym link.

migratekde3 (text/plain), 10.72 KB, created by Darrell on 2012-06-15 14:29:17 CDT

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Description: Updated script to prevent migration when $HOME/.trinity is a sym link.

Filename:

MIME Type:

Creator: Darrell

Created: 2012-06-15 14:29:17 CDT

Size: 10.72 KB

patch

obsolete

>#!/bin/sh ># ># Overall, this script works quite nicely, but please help to ># make this script more robust! > ># Testers: need help to ensure this script remains POSIX compliant. ># Some distros do not use bash as a default shell. > >#=============================================================== ># This is a modest attempt to migrate a KDE3 profile to Trinity. ># If $HOME/.trinity exists then skip this one-time migration. > ># Can this script be run from within starttde? ># Challenge: to run this script from within starttde requires ># graphical dialog boxes. When is the underlying TDE system ># sufficiently operational in the starttde script to use KDialog? ># If KDialog is unavailable then that leaves xmessage, which is ># ugly although possibly adequate. > ># If KDialog is unavailable until after $HOME/.trinity exists, such ># as after running KPersonalizer, then this script will not help. ># Also, KPersonalizer automatically creates a skeleton profile directory ># when launched, as does some command line tools such as kconf_update. ># ># Additionally, this script was written mainly from a command line ># login perspective. This script and concept needs testing and ># improvements to support graphical login systems. > >#=============================================================== ># Known Quirks: ># When testing the same user account between two different systems, such ># as a real and virtual machine or two different physical machines, ># after a migration KMix is always muted because the sound devices differ. > ># Not sure, but forced window sizes saved in kwinrulesc seem to break after ># a migration. >#=============================================================== > >Wait_For_Response () { >unset response ># -r Backslash does not act as an escape character. ># -p Display "PROMPT" without a trailing newline, before attempting to read any input. >while true; do > read -r -p "$1 (y/n): " yn > case $yn in > [Yy]* ) response=y; break;; > [Nn]* ) response=n; break;; > * ) echo "Please answer yes (y/Y) or no (n/N).";; > esac >done >} > >Proceed_From_Response () { >if [ "$response" = "n" -o "$response" = "N" ]; then > echo "Exiting." > echo > exit 0 >else > echo "Continuing." > echo >fi >} > ># Need help here to make the disk space test more robust! >disk_space_test () { >echo >echo "Testing available disk space." ># Find the remaining space on the partition. >AVAILABLE="`df $HOME/$KDE3_PROFILE | grep '\/' | awk '{print $4}'`" ># Find the size of the profile directory. >PROFILE_SIZE="`du -s $HOME/$KDE3_PROFILE | awk '{print $1}'`" ># Determine remaining partition space after migrating. >REMAINING_SPACE=$(($AVAILABLE - $PROFILE_SIZE)) ># Convert to human friendly numbers (MBs). >PROFILE_SIZE="`echo \"${PROFILE_SIZE} / 1024\" | bc`" >REMAINING_SPACE="`echo \"$REMAINING_SPACE / 1024\" | bc`" ># Let the user know the results. >echo "Remaining disk space: ${REMAINING_SPACE} MB" >echo "Space required for new profile: ${PROFILE_SIZE} MB" ># If obvious insufficient space then inform and quit. >if [ $PROFILE_SIZE -gt $REMAINING_SPACE ]; then > echo "Insufficient disk space. Exiting." > exit 0 >fi ># Ask whether to proceed. >Wait_For_Response "Migrate?" >Proceed_From_Response ># User wants to migrate. >echo "Migrating an existing KDE3 profile directory:" 1>&2 >echo "This is a one-time event." 1>&2 >echo "Copying \$HOME/$KDE3_PROFILE to \$HOME/.trinity." 1>&2 >cp -a $HOME/$KDE3_PROFILE $HOME/.trinity >} > ># Avoid any possible conflict with KDE4. Therefore within this script ># use full path names to all binaries used. > ># The binaries for TDE are located in the same place as this script. ># To determine that location use the following method rather than presuming ># the existence of $TDEDIR. That environment variable might not be ># defined or defined to point to KDE4 binaries. >BIN_DIR="`dirname \`readlink -f $0\``" >if [ -x $BIN_DIR/tde-config ]; then > TDE_VERSION="`$BIN_DIR/tde-config --version | grep TDE | awk '{print $2}'`" > echo "Trinity Desktop Environment version is $TDE_VERSION" 1>&2 > export TDEDIR=${BIN_DIR%/bin} > echo "Trinity Desktop Environment base directory is $TDEDIR" 1>&2 >else > echo "Unable to determine TDE base directory." > echo "This script should be installed in the same directory." > echo "Exiting." > exit 1 >fi >unset BIN_DIR > >echo >echo "This script migrates an existing KDE3 profile directory." >echo "The KDE3 profile directory will be copied/duplicated" >echo "and then cleaned/scrubbed to remove remnants of KDE3." >echo "KMail config files will be scrubbed but not the mail files." >echo "The result is a new Trinity profile directory." > ># We need to make this first test more robust. Some TDE tools create ># a skeleton profile directory ($TDEHOME/share/config) with no files. ># Thus, the mere existence of $HOME/.trinity will cause this script ># to terminate despite an existing profile directory possibly being ># nothing more than a skeleton. Possibly like the KDE4 profile directory ># test below, we can test for several knowable TDE files that also don't ># exist in KDE4. If those files don't exist then presume a skeleton ># profile directory. ># Do not migrate when $TDEHOME is a sym link to another profile directory. ># Trinity should have full reign within its own profile directory ># (limited to administrative locking), but an error check is a ># conservative approach. >if [ "`readlink \"$HOME/.trinity\"`" != "" ]; then > echo "[starttde] Warning! $HOME/.trinity is a sym link!" 1>&2 > echo "[starttde] Please break this sym link to perform a profile migration." 1>&2 >elif [ -d "$HOME/.trinity" ]; then > echo "$HOME/.trinity already exists." 1>&2 >else > echo "$HOME/.trinity does not exist." 1>&2 > if [ -d "$HOME/.kde3" ]; then > # If $HOME/.kde3 exists, probably safe to presume a profile from KDE3 or a previous Trinity. > echo "Found $HOME/.kde3." > KDE3_PROFILE=".kde3" > disk_space_test > elif [ -d "$HOME/.kde" ]; then > # This is tricky --- ensure this profile directory is NOT KDE4. > echo "Found $HOME/.kde." > if [ ! -d $HOME/.kde/share/kde4 ] && \ > [ ! -f $HOME/.kde/share/config/nepomukserverrc ] && \ > [ ! -f $HOME/.kde/share/config/phonondevicesrc ] && \ > [ ! -f $HOME/.kde/share/config/plasma-desktop-appletsrc ] && \ > [ ! -f $HOME/.kde/share/config/specialmailcollectionsrc ]; then > # That was five different tests. Probably not a KDE4 profile. There is a chance > # the user's KDE3 profile got contaminated testing KDE4. If that is the case then > # too bad --- the safe route here is not to migrate. Otherwise if this 5-point > # test passes then migrate the profile. > KDE3_PROFILE=".kde" > echo "$HOME/$KDE3_PROFILE does not look like a KDE4 profile directory." > disk_space_test > else > echo "$HOME/.kde probably is a KDE4 profile directory." > fi > else > echo "Found no KDE3 profile directory to migrate." 1>&2 > fi >fi >if [ -n "$KDE3_PROFILE" ]; then > # Let's remove any KDE3 "contamination." > echo "Removing KDE3 remnants from the new Trinity profile:" 1>&2 > echo "Removing cache and temp files." 1>&2 > rm -fr $HOME/.trinity/cache-* > rm -fr $HOME/.trinity/socket-* > rm -fr $HOME/.trinity/tmp-* > # Need to fix config files. > # Exclude KMail mail files --- we don't want to touch those files. > # I'm using maildir --- do these commands work for mbox too? > echo "Cleaning config files (but not KMail mail files. :-))" 1>&2 > echo "Cleaning, first pass..." 1>&2 > find $HOME/.trinity -path $HOME/.trinity/share/apps/kmail/mail -prune -o -type f -exec sed -i "s|/${KDE3_PROFILE}|/\.trinity|g" {} \; > if [ "$?" = "0" ]; then > echo "Done." 1>&2 > else > echo "There was an error with the first pass." 1>&2 > fi > # What if $TDEDIR is not defined? Bummer. > if [ -z "$TDEDIR" ]; then > echo "The \$TDEDIR environment variable does not exist. Can't complete the cleanup." 1>&2 > else > echo "Cleaning, second pass..." 1>&2 > find $HOME/.trinity -path $HOME/.trinity/share/apps/kmail/mail -prune -o -type f -exec sed -i "s|/opt/kde3/|${TDEDIR}/|g" {} \; > if [ "$?" = "0" ]; then > echo "Done." 1>&2 > else > echo "There was an error with the second pass." 1>&2 > fi > echo "Cleaning, third pass..." 1>&2 > find $HOME/.trinity -path $HOME/.trinity/share/apps/kmail/mail -prune -o -type f -exec sed -i "s|/usr/share/|${TDEDIR}/share/|g" {} \; > if [ "$?" = "0" ]; then > echo "Done." 1>&2 > else > echo "There was an error with the third pass." 1>&2 > fi > fi > # Need to update files in $HOME/.trinity/Autostart. > # Some files might be *.desktop files and can be cleaned in place. > # Some files might be sym links to a previous KDE3 location. > # Recreate those links to the correct Trinity location. > # This needs improvement for apps not in /usr/bin. > echo "Attempting to update *.desktop files in Autostart." 1>&2 > find $HOME/.trinity/Autostart -! -type l -type f -exec sed -i "s|/usr/bin/|${TDEDIR}/bin/|g" {} \; > echo "Attempting to update sym links in Autostart." 1>&2 > ( cd $HOME/.trinity/Autostart > for i in `find . -type l`; do > LINK="`readlink $i`" > echo "Found a sym link to $LINK." 1>&2 > LINK_PATH="`dirname $LINK`" > LINK_NAME="`basename $LINK`" > if [ -n "`echo $LINK_PATH | grep \"/usr\"`" ]; then > echo "Sym link points to /usr." 1>&2 > NEW_LINK_PATH="`echo $LINK_PATH | sed \"s|/usr|${TDEDIR}|\"`" > elif [ -n "`echo $LINK_PATH | grep \"/opt/kde\"`" ]; then > echo "Sym link points to /opt/kde." 1>&2 > NEW_LINK_PATH="`echo $LINK_PATH | sed \"s|/opt/kde|${TDEDIR}|\"`" > elif [ -n "`echo $LINK_PATH | grep \"/opt/kde3\"`" ]; then > echo "Sym link points to /opt/kde3." 1>&2 > NEW_LINK_PATH="`echo $LINK_PATH | sed \"s|/opt/kde3|${TDEDIR}|\"`" > else > echo "Can't establish a path for a new link." 1>&2 > fi > unlink $i > echo "Attempting to create sym link to $NEW_LINK_PATH/$LINK_NAME." 1>&2 > ln -sf $NEW_LINK_PATH/$LINK_NAME $LINK_NAME > if [ "$?" = "0" ]; then > echo "Link created." 1>&2 > else > echo "There was an error with creating the link." 1>&2 > fi > done > ) > echo "Renaming krita configuration files to chalk." > mv $HOME/.trinity/share/config/kritarc $HOME/.trinity/share/config/chalkrc > mv $HOME/.trinity/share/apps/krita $HOME/.trinity/share/apps/chalk > rm -fr $HOME/.trinity/cache-`uname -n`/ksycoca* > rm -fr $HOME/.trinity/socket-* > rm -fr $HOME/.trinity/tmp-* > rm -fr $TMP/kde-$USER > rm -fr $TMP/ksocket-$USER > rm -fr $TMP/tde-$USER > rm -fr $TMP/tdesocket-$USER > # Note: Don't run kconf_update, which is run automatically when starting TDE. > # Note: Don't run any profile *.desktop updates for R14: starttde does that. > echo > echo "Migrated!" 1>&2 > echo >fi > >echo "If any button icons to non Trinity apps in the taskbar" >echo "or system tray are incorrect, select the correct icon from the" >echo "button's configure menu option. The button's path to the app will" >echo "be correct." > >unset KDE3_PROFILE View Attachment As Diff View Attachment As Raw

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