branderson
8875d4cc0a
The script no longer carries download links: --torrent takes the .torrent file from Flashpoint's downloads page, and --infinity the Infinity archive. Before doing anything it works out the space the download and extraction need, refuses to start without it, and asks for confirmation unless --yes is given. It notes Flashpoint's unsettled legal standing and the user's responsibility.
203 lines
7.8 KiB
Bash
Executable File
203 lines
7.8 KiB
Bash
Executable File
#!/usr/bin/env bash
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# Extracts Flashpoint Ultimate into a directory Dotcom Arcade can serve, and
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# can download it first from a torrent you got from Flashpoint. Safe to re-run:
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# it resumes the download and skips archives it has already extracted.
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#
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# scripts/setup-flashpoint.sh [options] /path/to/flashpoint
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#
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# Options:
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# --torrent FILE download Flashpoint Ultimate with aria2c, from the
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# .torrent file on https://flashpointarchive.org/downloads
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# --downloads DIR where the archives are or will be downloaded to
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# (default: DEST/../downloads)
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# --infinity FILE add the software streaming needs (FPSoftware/, Server/)
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# from Flashpoint Infinity for Linux (.7z, same page)
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# --keep-archives keep each archive after extracting it, e.g. to seed;
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# needs room for both copies
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# --yes don't ask for confirmation
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#
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# Without --torrent, it uses the Ultimate archives already in the downloads
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# directory. Requires 7-Zip (7z, 7zz or 7za), and aria2c with --torrent.
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#
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# Flashpoint Ultimate is more than 2 TB. This script checks for the space
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# before it starts and refuses to run without it.
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#
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# Flashpoint Archive's legal standing is unsettled. You are responsible for
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# complying with copyright law where you live. This script contains no
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# download links: it only downloads from a torrent you supply.
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set -euo pipefail
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# Free space to leave on the disk after each archive, and headroom for the
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# largest archive being extracted while its zip still exists
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MARGIN=$((20 * 1024 ** 3))
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LARGEST_ARCHIVE=$((100 * 1024 ** 3))
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usage() {
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sed -n '6,27p' "$0" | sed 's/^# \{0,1\}//'
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exit 1
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}
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DEST=
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DOWNLOADS=
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TORRENT=
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INFINITY=
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KEEP=false
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YES=false
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while (($#)); do
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case $1 in
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--torrent) TORRENT=${2:?}; shift ;;
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--downloads) DOWNLOADS=${2:?}; shift ;;
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--infinity) INFINITY=${2:?}; shift ;;
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--keep-archives) KEEP=true ;;
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--yes) YES=true ;;
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-h | --help) usage ;;
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-*) echo "Unknown option: $1" >&2; usage ;;
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*) DEST=$1 ;;
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esac
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shift
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done
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[[ -n $DEST ]] || usage
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[[ -z $TORRENT || -f $TORRENT ]] || { echo "No torrent file at $TORRENT" >&2; exit 1; }
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[[ -z $INFINITY || -f $INFINITY ]] || { echo "No Infinity archive at $INFINITY" >&2; exit 1; }
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mkdir -p "$DEST"
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DEST=$(cd "$DEST" && pwd)
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DOWNLOADS=${DOWNLOADS:-$(dirname "$DEST")/downloads}
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mkdir -p "$DOWNLOADS"
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SEVENZIP=$(command -v 7zz || command -v 7z || command -v 7za || true)
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[[ -n $SEVENZIP ]] || { echo "7-Zip is required (7z, 7zz or 7za)" >&2; exit 1; }
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[[ -z $TORRENT ]] || command -v aria2c >/dev/null || { echo "aria2c is required for --torrent" >&2; exit 1; }
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gib() { echo "$(($1 / 1024 ** 3))G"; }
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free_bytes() { df --output=avail -B1 "$1" | tail -1; }
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same_disk() { [[ $(stat -c %d "$1") == $(stat -c %d "$2") ]]; }
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DONE=$DOWNLOADS/.extracted
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touch "$DONE"
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# What's left to extract, measured from the archives on disk
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remaining=0
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while IFS= read -r -d '' archive; do
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grep -qxF "$(basename "$archive")" "$DONE" || remaining=$((remaining + $(stat -c %s "$archive")))
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done < <(find "$DOWNLOADS" -maxdepth 2 -name '*.zip' -print0)
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# The download's size, from the torrent
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download=0
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if [[ -n $TORRENT ]]; then
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download=$(aria2c -S "$TORRENT" | awk -F'[()]' '/Total Length/ { gsub(/,/, "", $2); print $2; exit }')
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[[ $download =~ ^[0-9]+$ ]] || { echo "Couldn't read the download's size from $TORRENT" >&2; exit 1; }
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remaining=$download
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fi
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# Extracted files take about as much room as the archives. Unless they're
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# kept, each archive is deleted once extracted, so on a shared disk only the
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# largest one is ever stored twice.
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if $KEEP; then extra=$remaining; else extra=$((remaining < LARGEST_ARCHIVE ? remaining : LARGEST_ARCHIVE)); fi
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if same_disk "$DOWNLOADS" "$DEST"; then
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checks=("$DEST:$((download + extra + MARGIN))")
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else
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checks=("$DOWNLOADS:$((download + MARGIN))" "$DEST:$((remaining + MARGIN))")
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fi
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if ((remaining > 0)); then
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echo "Flashpoint Ultimate is very large: about $(gib "$remaining") of game data."
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short=false
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for check in "${checks[@]}"; do
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dir=${check%:*} need=${check##*:} avail=$(free_bytes "${check%:*}")
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echo " $dir needs about $(gib "$need"), has $(gib "$avail") free"
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((avail >= need)) || short=true
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done
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if $short; then
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echo "Not enough free space. Free up room or choose another disk; see the README's hosting requirements." >&2
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exit 1
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fi
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if ! $YES; then
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[[ -t 0 ]] || { echo "Run with --yes to continue without a prompt." >&2; exit 1; }
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read -r -p "This takes a day or more. Continue? [y/N] " answer
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[[ $answer == [yY]* ]] || exit 1
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fi
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fi
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# Extracts ARCHIVE into DEST, or only the entries listed in LIST if given.
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# Archives may wrap everything in one top-level folder (e.g. "Flashpoint
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# Ultimate/"); its contents are moved up into DEST.
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extract() {
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local archive=$1 list=${2:-}
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local need avail staging root
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need=$("$SEVENZIP" l -ba -slt "$archive" | awk -F' = ' '$1 == "Size" { s += $2 } END { print s + 0 }')
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avail=$(df --output=avail -B1 "$DEST" | tail -1)
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if ((need + MARGIN > avail)); then
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echo "Not enough space for $(basename "$archive"): needs $(gib "$need"), $(gib "$avail") free" >&2
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exit 1
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fi
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echo "==> $(basename "$archive") ($(gib "$need"))"
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staging=$DEST/.extracting
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rm -rf "$staging"
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if [[ -n $list ]]; then
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"$SEVENZIP" x -y -bso0 -bsp0 -o"$staging" "$archive" "@$list"
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else
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"$SEVENZIP" x -y -bso0 -bsp1 -o"$staging" "$archive"
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fi
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root=$staging
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if [[ $(find "$staging" -mindepth 1 -maxdepth 1 | wc -l) -eq 1 && -d "$staging/Flashpoint Ultimate" ]]; then
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root="$staging/Flashpoint Ultimate"
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fi
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# Hard links move the files without needing space for a second copy
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cp -alf "$root/." "$DEST/"
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rm -rf "$staging"
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}
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# 1. Download the packed archives
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if [[ -n $TORRENT ]]; then
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echo "==> Downloading into $DOWNLOADS"
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aria2c --dir="$DOWNLOADS" --seed-time=0 --check-integrity=true \
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--file-allocation=falloc --bt-max-peers=100 "$TORRENT"
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fi
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# fp-index.json stays behind once the archives are extracted and deleted
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PACKED=$(find "$DOWNLOADS" -maxdepth 2 \( -name GameData_1.zip -o -name fp-index.json \) -printf '%h\n' | head -1)
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[[ -n $PACKED ]] || { echo "No Ultimate archives found under $DOWNLOADS" >&2; exit 1; }
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# 2. Extract the game data, images and htdocs, one archive at a time
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shopt -s nullglob
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for archive in "$PACKED"/Images_*.zip "$PACKED"/Htdocs_*.zip "$PACKED"/GameData_*.zip "$PACKED"/Extras_*.zip; do
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name=$(basename "$archive")
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grep -qxF "$name" "$DONE" && continue
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extract "$archive"
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echo "$name" >>"$DONE"
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$KEEP || rm -- "$archive"
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done
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# 3. From Base_1.zip, which otherwise holds Windows software, take only the
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# database, settings and playlists
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base=$PACKED/Base_1.zip
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if [[ -f $base ]] && ! grep -qxF Base_1.zip "$DONE"; then
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list=$(mktemp)
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"$SEVENZIP" l -ba -slt "$base" | awk -F' = ' '$1 == "Path" { print $2 }' |
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grep -E '(^|/)(Data/(flashpoint\.sqlite|execs\.json|services\.json|Playlists/.*)|preferences\.json|\.preferences\.defaults\.json|version\.txt)$' \
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>"$list" || true
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extract "$base" "$list"
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rm -f "$list"
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echo Base_1.zip >>"$DONE"
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$KEEP || rm -- "$base"
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fi
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mkdir -p "$DEST/Data/Playlists"
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# The launcher creates preferences.json from the defaults on first run
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if [[ ! -f $DEST/preferences.json && -f $DEST/.preferences.defaults.json ]]; then
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cp -p "$DEST/.preferences.defaults.json" "$DEST/preferences.json"
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fi
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# 4. Optionally add Infinity for Linux's software, without replacing anything
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if [[ -n $INFINITY ]]; then
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echo "==> $(basename "$INFINITY")"
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staging=$DEST/.extracting
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rm -rf "$staging"
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"$SEVENZIP" x -y -bso0 -bsp1 -o"$staging" "$INFINITY"
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root=$(dirname "$(find "$staging" -maxdepth 3 -name version.txt | head -1)")
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cp -an "$root/." "$DEST/"
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rm -rf "$staging"
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fi
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[[ -f $DEST/Data/flashpoint.sqlite ]] ||
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echo "Warning: no Data/flashpoint.sqlite. Re-run with --infinity to take Infinity's." >&2
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echo "Done. Set FLASHPOINT_HOST_PATH=$DEST in .env."
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