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130 lines
4.4 KiB
Bash
130 lines
4.4 KiB
Bash
#!/bin/sh
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export LC_ALL="en_US.UTF-8"
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# working directory of koreader
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KOREADER_DIR="${0%/*}"
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# we're always starting from our working directory
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cd "${KOREADER_DIR}" || exit
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# update to new version from OTA directory
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ko_update_check() {
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NEWUPDATE="${KOREADER_DIR}/ota/koreader.updated.tar"
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INSTALLED="${KOREADER_DIR}/ota/koreader.installed.tar"
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if [ -f "${NEWUPDATE}" ]; then
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./fbink -q -y -7 -pmh "Updating KOReader"
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# NOTE: See frontend/ui/otamanager.lua for a few more details on how we squeeze a percentage out of tar's checkpoint feature
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# NOTE: %B should always be 512 in our case, so let stat do part of the maths for us instead of using %s ;).
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FILESIZE="$(stat -c %b "${NEWUPDATE}")"
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BLOCKS="$((FILESIZE / 20))"
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export CPOINTS="$((BLOCKS / 100))"
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# shellcheck disable=SC2016
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./tar xf "${NEWUPDATE}" --strip-components=1 --no-same-permissions --no-same-owner --checkpoint="${CPOINTS}" --checkpoint-action=exec='./fbink -q -y -6 -P $(($TAR_CHECKPOINT/$CPOINTS))'
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fail=$?
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# Cleanup behind us...
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if [ "${fail}" -eq 0 ]; then
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mv "${NEWUPDATE}" "${INSTALLED}"
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./fbink -q -y -6 -pm "Update successful :)"
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./fbink -q -y -5 -pm "KOReader will start momentarily . . ."
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else
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# Huh ho...
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./fbink -q -y -6 -pmh "Update failed :("
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./fbink -q -y -5 -pm "KOReader may fail to function properly!"
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fi
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rm -f "${NEWUPDATE}" # always purge newupdate in all cases to prevent update loop
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unset BLOCKS CPOINTS
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# Ensure everything is flushed to disk before we restart. This *will* stall for a while on slow storage!
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sync
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fi
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}
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# NOTE: Keep doing an initial update check, in addition to one during the restart loop, so we can pickup potential updates of this very script...
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ko_update_check
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# If an update happened, and was successful, reexec
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if [ -n "${fail}" ] && [ "${fail}" -eq 0 ]; then
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# By now, we know we're in the right directory, and our script name is pretty much set in stone, so we can forgo using $0
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exec ./koreader.sh "$@"
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fi
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# load our own shared libraries if possible
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export LD_LIBRARY_PATH="${KOREADER_DIR}/libs"
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# export trained OCR data directory
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export TESSDATA_PREFIX="data"
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# export dict directory
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export STARDICT_DATA_DIR="data/dict"
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# export external font directory
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export EXT_FONT_DIR="/usr/lib/fonts"
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# we keep at most 500k worth of crash log
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if [ -e crash.log ]; then
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tail -c 500000 crash.log >crash.log.new
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mv -f crash.log.new crash.log
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fi
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# check if QBookApp was started before us, then
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# restart the application after leaving KOReader
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export STANDALONE="true"
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if pkill -0 QBookApp; then
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STANDALONE="false"
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fi
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if [ "${STANDALONE}" != "true" ]; then
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stopapp.sh >/dev/null 2>&1
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[ -x /etc/init.d/connman ] && /etc/init.d/connman stop
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fi
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# **magic** values to request shell stuff. It starts at 85,
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# any number lower than that will exit this script.
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RESTART_KOREADER=85
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ENTER_USBMS=86
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ENTER_QBOOKAPP=87
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RETURN_VALUE="${RESTART_KOREADER}"
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# Loop forever until KOReader requests a normal exit.
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while [ "${RETURN_VALUE}" -ge "${RESTART_KOREADER}" ]; do
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# move dictionaries from external storage to koreader private partition.
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find /mnt/public/dict -type f -exec mv -v \{\} /mnt/private/koreader/data/dict \; 2>/dev/null
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# Do an update check now, so we can actually update KOReader via the "Restart KOReader" menu entry ;).
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ko_update_check
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# run KOReader
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./reader.lua "$@" >>crash.log 2>&1
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RETURN_VALUE=$?
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# check if KOReader requested to enter in mass storage mode.
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if [ "${RETURN_VALUE}" -eq "${ENTER_USBMS}" ]; then
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# NOTE: at this point we're sure that the safemode tool
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# is recent enough to support the "--force" flag.
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safemode storage --force 2>/dev/null
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# waiting forever for home button events.
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elif [ "${RETURN_VALUE}" -eq "${ENTER_QBOOKAPP}" ]; then
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./release-ip.sh
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./disable-wifi.sh
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[ -x /etc/init.d/connman ] && /etc/init.d/connman start
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# (re)start the reading application in the background
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restart.sh >/dev/null 2>&1
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sleep 2
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# loop while BQ app is running.
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while pkill -0 QBookApp; do
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sleep 10
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done
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fi
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done
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if [ "${STANDALONE}" != "true" ]; then
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./release-ip.sh
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./disable-wifi.sh
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[ -x /etc/init.d/connman ] && /etc/init.d/connman start
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restart.sh >/dev/null 2>&1
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fi
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