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# vim: autoindent tabstop=4 shiftwidth=4 expandtab softtabstop=4 filetype=sh textwidth=76
#
# File:
# /usr/lib/thunderbird/thunderbird-wrapper-helper.sh
#
# Purpose:
# This shell script has helper functions and variables that are used or
# called from the main wrapper-script /usr/bin/thunderbird.
#
# Copyright:
# Licensed under the terms of GPLv2+.
# trying to get the DE
if [ "${XDG_CURRENT_DESKTOP}" = "" ]; then
DESKTOP=$(echo "${XDG_DATA_DIRS}" | sed 's/.*\(gnome\|kde\|mate\|xfce\).*/\1/')
else
DESKTOP=${XDG_CURRENT_DESKTOP}
fi
# timestamp like '2017-02-26-113855'
DATE=$(date +%F-%H%M%S)
# convert to lower case shell safe
DESKTOP=$(echo "$DESKTOP" | tr '[:upper:]' '[:lower:]')
#########################################
# message templates for the X11 dialogs #
#########################################
DEFAULT_X11_MSG="\
If you see this message something went wrong while
migrating your Icedove profile(s) into the Thunderbird
profile folder.
The following error occured:"
DOT_THUNDERBIRD_EXISTS="\
${DEFAULT_X11_MSG}
An existing profile folder (or symlink) '.thunderbird' and a folder
(or symlink) '.icedove' was found in your home directory '${HOME}/'
while trying to migrate the Icedove profile(s) folder.
This can be caused by an old, currently unused profile folder or you might
be using Thunderbird as provided by upstream Mozilla.
If you don't need this old profile folder, you can remove or backup
it and start Thunderbird again.
Sorry, but please investigate the situation yourself.
The Debian wiki has extra information about the migration from
Icedove to Thunderbird.
https://wiki.debian.org/Thunderbird
Please also read the information in section 'Profile Migration' in
/usr/share/doc/thunderbird/README.Debian.gz
"
THUNDERBIRD_PROFILE_LINKING_ERROR="\
${DEFAULT_X11_MSG}
A needed symlink for the Thunderbird profile(s) folder '.thunderbird'
to the old existing Icedove profile '.icedove' couldn't created.
Sorry, but please investigate the situation by yourself.
Please mind also the information in section 'Profile Migration'
given in the file
/usr/share/doc/thunderbird/README.Debian.gz
"
START_MIGRATION="\
You see this window because you're starting Thunderbird for the
first time and have profile(s) for Icedove.
The Debian Icedove package is de-branded back to Thunderbird.
The Icedove profile(s) will now be migrated to the Thunderbird folder.
This will take a short time!
Please be patient, the Thunderbird program will be started right after
the changes.
If you need more information on the de-branding and migration please
read
/usr/share/doc/thunderbird/README.Debian.gz
The Debian wiki is also holding extra information about the migration of
Icedove to Thunderbird.
https://wiki.debian.org/Thunderbird
"
TITLE="Icedove to Thunderbird Profile migration"
###################
# local functions #
###################
# Simple search all files where we made a backup from
do_collect_backup_files () {
output_debug "Collecting all files we've made a backup of."
BACKUP_FILES=$(find -L "${TB_PROFILE_FOLDER}/" -type f -name "*backup_thunderbird_migration*")
if [ "${BACKUP_FILES}" != "" ]; then
output_info "The following backups related to the Icedove to Thunderbird transition exist:"
output_info ""
cat << EOF
${BACKUP_FILES}
EOF
output_info ""
else
output_info "No backups related to the Icedove to Thunderbird transition found."
fi
}
# Create the file .thunderbird/.migrated with some content
do_create_migrated_mark_file (){
cat <<EOF > "${TB_PROFILE_FOLDER}/.migrated"
This file is automatically created by /usr/bin/thunderbird, it will be
created on every start of Thunderbird if does not exist.
Remove that file only if you know the propose of this file.
/usr/share/doc/thunderbird/README.Debian.gz has some information about this
dot file.
EOF
}
# Fix the file(s) ${TB_PROFILE_FOLDER}/${TB_PROFILE}/mimeTypes.rdf
# Search for pattern of '/usr/bin/iceweasel' and 'icedove' in the file and
# replace them with '/usr/bin/x-www-browser' and 'thunderbird'.
do_fix_mimetypes_rdf (){
for MIME_TYPES_RDF_FILE in $(find -L "${TB_PROFILE_FOLDER}/" -name mimeTypes.rdf); do
RDF_SEARCH_PATTERN=$(grep '/usr/bin/iceweasel\|icedove' "${MIME_TYPES_RDF_FILE}")
if [ "${RDF_SEARCH_PATTERN}" != "" ]; then
output_debug "Backup ${MIME_TYPES_RDF_FILE} to ${MIME_TYPES_RDF_FILE}.backup_thunderbird_migration-${DATE}"
cp "${MIME_TYPES_RDF_FILE}" "${MIME_TYPES_RDF_FILE}.backup_thunderbird_migration-${DATE}"
output_debug "Fixing possible broken 'mimeTypes.rdf'."
sed -i "s|/usr/bin/iceweasel|/usr/bin/x-www-browser|g;s|icedove|thunderbird|g" "${MIME_TYPES_RDF_FILE}"
else
output_info "No fix up for ${MIME_TYPES_RDF_FILE} needed."
fi
done
}
# Inform the user we will starting the migration
do_inform_migration_start () {
# A system admin may avoid the dialog ...
if [ ! -f /etc/thunderbird/no_migration_popup ]; then
case "${DESKTOP}" in
gnome|mate|xfce)
local_zenity --info --no-wrap --title "${TITLE}" --text "${START_MIGRATION}"
if [ $? -ne 0 ]; then
local_xmessage -center "${START_MIGRATION}"
fi
;;
kde)
local_kdialog --title "${TITLE}" --msgbox "${START_MIGRATION}"
if [ $? -ne 0 ]; then
local_xmessage -center "${START_MIGRATION}"
fi
;;
*)
xmessage -center "${START_MIGRATION}"
;;
esac
fi
}
# Function that will do the fixing of mimeapps.list files
do_migrate_old_icedove_desktop() {
# Fix mimeapps.list files in the following folders which may still have
# icedove.desktop associations
#
# ~/.config/
# ~/.local/share/applications/
#
# icedove.desktop files are now deprecated, but still commonly around.
# We normally could remove them, but for safety only modify the files.
# These mimeapps.list files configures default applications for MIME types.
# Only jump in loop if we haven't already done a migration before or the
# user is forcing this by the option '--fixmime'.
if [ ! -f "${TB_PROFILE_FOLDER}/.migrated" ] || [ "${FORCE_MIMEAPPS_MIGRATE}" = "1" ]; then
if [ ! -f "${TB_PROFILE_FOLDER}/.migrated" ]; then
output_debug "No migration mark '${TB_PROFILE_FOLDER}/.migrated' found, checking mimeapps.list files for possible migration."
elif [ "${FORCE_MIMEAPPS_MIGRATE}" = "1" ]; then
output_debug "Migration enforced by user. Checking mimeapps.list files once again for possible migration."
fi
for MIMEAPPS_LIST in ${HOME}/.config/mimeapps.list ${HOME}/.local/share/applications/mimeapps.list; do
# Check if file exists and has old icedove entry
if [ -e "${MIMEAPPS_LIST}" ] && \
grep -iq "\(userapp-\)*icedove\(-.*\)*\.desktop" "${MIMEAPPS_LIST}"; then
output_debug "Fixing broken '${MIMEAPPS_LIST}'."
MIMEAPPS_LIST_COPY="${MIMEAPPS_LIST}.backup_thunderbird_migration-${DATE}"
# Fix mimeapps.list and create a backup, but it's really unlikely we
# have an existing backup so no further checking here!
# (requires GNU sed 3.02 or ssed for case-insensitive "I")
sed -i.backup_thunderbird_migration-"${DATE}" "s|\(userapp-\)*icedove\(-.*\)*\.desktop|thunderbird.desktop|gI" "${MIMEAPPS_LIST}"
if [ $? -ne 0 ]; then
output_info "The configuration file for default applications for some MIME types"
output_info "'${MIMEAPPS_LIST}' couldn't be fixed."
output_info "Please check for potential problems like low disk space or wrong access rights!"
logger -i -p warning -s "$0: [profile migration] Couldn't fix '${MIMEAPPS_LIST}'!"
exit 1
else
output_debug "A copy of the configuration file of default applications for some MIME types"
output_debug "was saved to '${MIMEAPPS_LIST_COPY}'."
fi
else
output_info "No fix up for ${MIMEAPPS_LIST} needed."
fi
done
output_debug "Setting migration mark '${TB_PROFILE_FOLDER}/.migrated'."
do_create_migrated_mark_file
fi
# Migrate old user specific *.desktop entries
# Users may have created custom desktop shortcuts for Icedove in
# the past. These associations (files named like 'userapp-Icedove-*.desktop')
# are done in the folder $(HOME)/.local/share/applications/.
# Remove such old icedove.desktop files, superseeded by system-wide
# /usr/share/applications/thunderbird.desktop. The old ones in $HOME don't
# receive updates and might have missing/outdated fields.
# *.desktop files and their reverse mimeinfo cache provide information
# about available applications.
for ICEDOVE_DESKTOP in $(find "${HOME}/.local/share/applications/" -iname "*icedove*.desktop"); do
output_debug "Backup ${ICEDOVE_DESKTOP} to ${ICEDOVE_DESKTOP}.backup_thunderbird_migration-${DATE}"
ICEDOVE_DESKTOP_COPY=${ICEDOVE_DESKTOP}.backup_thunderbird_migration-${DATE}
mv "${ICEDOVE_DESKTOP}" "${ICEDOVE_DESKTOP_COPY}"
# Update the mimeinfo cache.
# Not existing *.desktop files in there should simply be ignored by the system anyway.
if [ -x "$(which update-desktop-database)" ]; then
output_debug "Call 'update-desktop-database' to update the mimeinfo cache."
update-desktop-database "${HOME}/.local/share/applications/"
fi
done
}
# Print out an error message about failed migration
do_thunderbird2icedove_error_out (){
case "${DESKTOP}" in
gnome|mate|xfce)
local_zenity --info --no-wrap --title "${TITLE}" --text "${DOT_THUNDERBIRD_EXISTS}"
if [ $? -ne 0 ]; then
local_xmessage -center "${DOT_THUNDERBIRD_EXISTS}"
fi
FAIL=1
;;
kde)
local_kdialog --title "${TITLE}" --msgbox "${DOT_THUNDERBIRD_EXISTS}"
if [ $? -ne 0 ]; then
local_xmessage -center "${DOT_THUNDERBIRD_EXISTS}"
fi
FAIL=1
;;
*)
xmessage -center "${DOT_THUNDERBIRD_EXISTS}"
FAIL=1
;;
esac
}
# Symlink .thunderbird to .icedove
do_thunderbird2icedove_symlink () {
output_debug "Trying to symlink '${TB_PROFILE_FOLDER}' to '${ID_PROFILE_FOLDER}'"
if ln -s "${ID_PROFILE_FOLDER}" "${TB_PROFILE_FOLDER}"; then
output_debug "success."
return 0
else
case "${DESKTOP}" in
gnome|mate|xfce)
local_zenity --info --no-wrap --title "${TITLE}" --text "${THUNDERBIRD_PROFILE_LINKING_ERROR}"
if [ $? -ne 0 ]; then
local_xmessage -center "${THUNDERBIRD_PROFILE_LINKING_ERROR}"
fi
FAIL=1
;;
kde)
local_kdialog --title "${TITLE}" --msgbox "${THUNDERBIRD_PROFILE_LINKING_ERROR}"
if [ $? -ne 0 ]; then
local_xmessage -center "${THUNDERBIRD_PROFILE_LINKING_ERROR}"
fi
FAIL=1
;;
*)
xmessage -center "${THUNDERBIRD_PROFILE_LINKING_ERROR}"
FAIL=1
;;
esac
output_debug "Ohh, that wasn't working, sorry! Do you have access rights to create a symlink?"
return 1
fi
}
# Wrapping /usr/bin/kdialog calls
local_kdialog () {
if [ -f /usr/bin/kdialog ]; then
/usr/bin/kdialog "$@"
return 0
else
return 1
fi
}
# Wrapping /usr/bin/xmessage calls
local_xmessage () {
if [ -f /usr/bin/xmessage ]; then
/usr/bin/xmessage "$@"
else
# this should never be reached as thunderbird has a dependency on x11-utils!
output_info "xmessage not found"
fi
}
# Wrapping /usr/bin/zenity calls
local_zenity () {
if [ -f /usr/bin/zenity ]; then
/usr/bin/zenity "$@"
return 0
else
return 1
fi
}
# Simple info output function
output_info () {
echo "INFO -> $1"
}
# Simple debugging output function
output_debug () {
if [ "${VERBOSE}" = "1" ]; then
echo "DEBUG -> $1"
fi
}
# How this script can be called
usage () {
cat << EOF
Usage: ${0##*/} [--help|-? ] | [--verbose ] [ -g ] [args-passed-to-thunderbird...]
This script parses its command line options and passes everything else on to
Thunderbird. Note that some Thunderbird options need an additional argument
that can't be naturally mixed with other options!
-g Starts Thunderbird within gdb (needs package thunderbird-dbg)
--help or ? Display this help and exit
--verbose Verbose mode, increase the output messages to stdout
(Logging to /var/log/syslog isn't touched or increased by this
option!)
Additional options:
--fixmime Only fixes MIME associations in
~/.thunderbird/$profile/mimeTypes.rdf and exits. Can be
combined with '--verbose'.
--show-backup Collect the backup files which where made and print them to
stdout and exits.
EOF
cat << EOF
Examples:
${0##*/} --help
Writes this help messages on stdout. If any other option is given it
will be ignored. Note that Thunderbird has a '-h' option which needs
to be used if you want the help output for Thunderbird.
${0##*/} --verbose
Enable more debug messages on stdout. Only useful while developing the
thunderbird packages or during profile migration.
${0##*/} -g
Starts Thunderbird in a GDB session if packages gdb and thunderbird-dbg
are installed.
EOF
# other debuggers will be added later, we need maybe a separate valgrind
# package! Note MDN site for valgrind
# https://developer.mozilla.org/en-US/docs/Mozilla/Testing/Valgrind
# ${0##*/} -d gdb
# The same as above, only manually specified the GDB debugging tool as
# argument. Note that you probably will need additional parameter to
# enable e.g. writing to a logfile.
# It's also possible to specify valgrind, that will need to add additional
# quoted arguments in any case!
# The thunderbird binary must be compiled with valgrind support if you
# want to use valgrind here!
#
# ${0##*/} -d 'valgrind --arg1 --arg2' -thunderbird-arg1
cat << EOF
${0##*/} [args-passed-to-thunderbird...]
Some example for invoking Thunderbird from the ommand line:
Run in safe-mode with the JS Error console:
${0##*/} --safe-mode --jsconsole
Call Thunderbird directly to compose a message with a specific
attachement.
${0##*/} -compose "to='recipient@tld.org','attachment=/path/attachment'"
See the all possible arguments for Thunderbird:
${0##*/} -h
EOF
}
# end local functions
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