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crawl/chroot/bin/crawl-git-launcher.sh

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#! /bin/bash
#
# Must be called as crawl-git -name <playername> [...]; character name
# must always be the second argument.
#
# ===========================================================================
# Copyright (C) 2008, 2009, 2010, 2011 Marc H. Thoben
# Copyright (C) 2011 Darshan Shaligram
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
# ===========================================================================
#
# The webtiles binary requires a UTF-8 locale.
export LC_ALL=en_US.UTF-8
set -o nounset
CRAWL_GIT_DIR="%%CHROOT_CRAWL_BASEDIR%%"
USER_DB="%%CHROOT_LOGIN_DB%%"
CRAWL_BINARY_PATH="%%CHROOT_CRAWL_BINARY_PATH%%"
BINARY_BASE_NAME="%%GAME%%"
USER_ID="%%DGL_UID%%"
VERSIONS_DB="%%CHROOT_VERSIONS_DB%%"
export HOME="%%CHROOT_COREDIR%%"
# Word boundary regex; bash's =~ is funny about that.
wb='\b'
JUST_RUN_CRAWL_ALREADY=
# If set, this script will not event report the existence of newer versions.
[[ "$@" =~ -print-charset$wb ]] && JUST_RUN_CRAWL_ALREADY=1
[[ "$@" =~ -print-webtiles-options$wb ]] && JUST_RUN_CRAWL_ALREADY=1
WEBTILES=
[[ "$@" =~ -await-connection$wb ]] && WEBTILES=1
cecho() {
[[ -z "$WEBTILES" ]] && echo "$@"
}
wecho() {
[[ -n "$WEBTILES" ]] && echo "$@"
}
wcat() {
if [[ -n "$WEBTILES" ]]; then
tr '\n' ' ' | sed -e 's/ $//'
echo
else
cat >/dev/null
fi
}
TRANSFER_ENABLED="1"
CHAR_NAME="$2"
NICE=""
[[ $CHAR_NAME = notqw ]] && NICE="nice -n 10 ionice -c 3"
# Clear screen
[[ -z "$JUST_RUN_CRAWL_ALREADY" && -z "$WEBTILES" ]] && printf "\e[2J\e[H"
export LANG="en_US.UTF-8"
export LC_CTYPE="en_US.UTF-8"
SAVES="saves"
[[ "$@" =~ -sprint$wb ]] && SAVES="$SAVES/sprint"
[[ "$@" =~ -zotdef$wb ]] && SAVES="$SAVES/zotdef"
if [[ $# == 0 || -z "$CHAR_NAME" ]]; then
if [[ -z "$JUST_RUN_CRAWL_ALREADY" ]]; then
echo "Parameters missing. Aborting..."
read -n 1 -s -p "--- any key to continue ---"
echo
fi
exit 1
fi
ulimit -S -c 1536000 2>/dev/null
ulimit -S -v 1024000 2>/dev/null
first-real-file() {
for file in "$@"; do
if [[ -f "$file" ]]; then
printf "%s\n" "$file"
return 0
fi
done
}
query() {
sqlite3 "$VERSIONS_DB"
}
hash-description() {
local hash=$1
query <<EOF
SELECT description FROM versions WHERE hash='$hash' LIMIT 1;
EOF
}
latest-game-hash() {
query <<EOF
SELECT hash FROM versions ORDER BY time DESC LIMIT 1;
EOF
}
major-version-for-game() {
local game=$1
query <<EOF
SELECT major FROM versions WHERE hash='$game' LIMIT 1;
EOF
}
newest-version-with-major-version() {
local major_version=$1
query <<EOF
SELECT hash FROM versions WHERE major=$major_version
ORDER BY time DESC
LIMIT 1;
EOF
}
user-is-admin() {
local found="$(echo "SELECT username FROM dglusers
WHERE username='$CHAR_NAME' AND (flags & 1) = 1;" |
sqlite3 "$USER_DB")"
[[ -n "$found" ]]
}
transfer-save() {
local save=$1
local game_hash=$2
local target="$CRAWL_GIT_DIR/$BINARY_BASE_NAME-$game_hash/$SAVES"
local src_save_dir=$(dirname $save)
wecho -n '{"msg":"show_dialog", "html":"'
if [[ -d "$target" ]]; then
# It's okay if moving the .prf fails (it might not exist one day).
mv "$src_save_dir/start-$CHAR_NAME-ns.prf" "$target" 2>/dev/null || true
mv "$src_save_dir/$CHAR_NAME".cs "$target"
if test $? -eq 0
then
wcat <<EOF
<p>Transferring successful!</p>
<input type='button' class='button' data-key=' ' value='Continue' style='float:right;'>
"}
EOF
cecho ": successful!"
cecho
OUR_GAME_HASH="${game_hash}"
cecho -n "--- any key to continue ---"
read -n 1 -t 5 -s
cecho
else
wcat <<EOF
<p>Transferring failed!</p>
<p>Transferring your save failed! Continuing with former version.</p>
<input type='button' class='button' data-key=' ' value='Continue' style='float:right;'>
"}
EOF
cecho ": failed!"
cecho
cecho "Transferring your save failed! Continuing with former version."
cecho -n "--- any key to continue ---"
read -n 1 -s
cecho
fi
else
wcat <<EOF
<p>Transferring failed!</p>
<p>Target version is corrupt! Continuing with former version.</p>
<input type='button' class='button' data-key=' ' value='Continue' style='float:right;'>
"}
EOF
cecho ": failed!"
cecho
cecho "Target version is corrupt! Continuing with former version."
cecho -n "--- any key to continue ---"
read -n 1 -s
cecho
fi
wecho '{"msg":"hide_dialog"}'
}
SAVEGLOB="$CRAWL_GIT_DIR/$BINARY_BASE_NAME-*/$SAVES"
declare -a SAVE_CANDIDATES
SAVE_CANDIDATES=($SAVEGLOB/$CHAR_NAME.cs \
$SAVEGLOB/$CHAR_NAME-$USER_ID.sav \
$SAVEGLOB/$CHAR_NAME-$USER_ID.chr)
SAVE="$(first-real-file "${SAVE_CANDIDATES[@]}")"
LATEST_GAME_HASH="$(latest-game-hash)"
if [[ -n "$SAVE" ]]; then
OUR_GAME_HASH=${SAVE#$CRAWL_GIT_DIR/$BINARY_BASE_NAME-}
OUR_GAME_HASH=${OUR_GAME_HASH%%/*}
if [[ -z "$JUST_RUN_CRAWL_ALREADY" && \
"$OUR_GAME_HASH" != "$LATEST_GAME_HASH" ]]
then
current_ver="$(hash-description $OUR_GAME_HASH)"
cecho "Hi, you have a $current_ver save game:"
cecho
OUR_SGV_MAJOR="$(major-version-for-game $OUR_GAME_HASH)"
NEW_GAME_HASH="$(newest-version-with-major-version $OUR_SGV_MAJOR)"
new_ver="$(hash-description $NEW_GAME_HASH)"
if [[ "$OUR_GAME_HASH" != "$NEW_GAME_HASH" &&
"$TRANSFER_ENABLED" == "1" ]]; then
wecho '{"msg":"layer", "layer":"crt"}'
wecho -n '{"msg":"show_dialog", "html":"'
if [[ "${NEW_GAME_HASH}" != "${LATEST_GAME_HASH}" ]]; then
cecho "There's a newer version ($new_ver) that can load your save."
cecho -n "[T]ransfer your save to this version?"
wcat <<EOF
<p>There's a newer version ($new_ver) that can load your save.</p>
<p>[T]ransfer your save to this version?</p>
<input type='button' class='button' data-key='N' value='No' style='float:right;'>
<input type='button' class='button' data-key='T' value='Yes' style='float:right;'>
"}
EOF
read -n 1 -s REPLY
cecho
else
cecho -n "[T]ransfer your save to the latest version ($new_ver)?"
wcat <<EOF
<p>[T]ransfer your save to the latest version ($new_ver)?</p>
<input type='button' class='button' data-key='N' value='No' style='float:right;'>
<input type='button' class='button' data-key='T' value='Yes' style='float:right;'>
"}
EOF
read -n 1 -s REPLY
cecho
fi
wecho '{"msg":"hide_dialog"}'
if test "$REPLY" = "t" -o "$REPLY" = "T" -o "$REPLY" = "y" -o "$REPLY" = "Y"
then
cecho -n "Transferring..."
transfer-save "$SAVE" "$NEW_GAME_HASH"
fi
else
if test "${TRANSFER_ENABLED}" != "1"
then
cecho "Transfering of saves is currently disabled."
cecho "Finish your game or end your character to play in latest version."
else
cecho "Your save cannot be tranferred though because of incompatibility."
cecho "Finish your game or end your character to play in latest version."
fi
cecho -n "--- any key to continue ---"
[[ -z "$WEBTILES" ]] && read -n 1 -t 5 -s
cecho
fi
fi
else
OUR_GAME_HASH="${LATEST_GAME_HASH}"
fi
if test ${#OUR_GAME_HASH} -eq 0
then
cecho "Could not figure out the right game version. Aborting..."
cecho -n "--- any key to continue ---"
[[ -z "$WEBTILES" ]] && read -n 1 -s -p
cecho
exit 1
fi
BINARY_NAME="$CRAWL_BINARY_PATH/$BINARY_BASE_NAME-$OUR_GAME_HASH"
GAME_FOLDER="$CRAWL_GIT_DIR/$BINARY_BASE_NAME-$OUR_GAME_HASH"
if user-is-admin; then
set -- "$@" -wizard
fi
if test -x "${BINARY_NAME}" -a -d "${GAME_FOLDER}"
then
cd ${HOME}
exec ${NICE} ${BINARY_NAME} "$@"
fi
cecho "Failed starting: ${BINARY_NAME} not found!"
read -n 1 -s -p "--- any key to continue ---"
cecho
exit 1
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