587 lines
26 KiB
Bash
Executable File
587 lines
26 KiB
Bash
Executable File
#!/usr/bin/env bash
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#
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# Set up packwiz and initialise a NeoForge modpack, sourcing every mod from an
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# HTTP mirror of a local mods directory rather than Modrinth/CurseForge.
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# Everything lives on the ZFS share at /minecraft.
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#
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# ./packwiz-setup.sh -n "My Pack" -a themiro -u https://games.abdelbaki.eu/mods
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#
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# ./packwiz-setup.sh -n "My Pack" -a themiro -m 1.21.1 -f 21.1.72 \
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# -M /minecraft/mods -u http://192.168.200.41:8080/mods
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#
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# The mirror must already be serving those jars when this runs — packwiz
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# fetches each URL to compute its hash. Run as your normal user.
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set -euo pipefail
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NAME=""
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AUTHOR=""
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MCVER="1.21.1"
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NFVER="" # empty = latest
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MODSDIR=""
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BASEURL=""
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DIR=""
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PACKVER="1.0.0"
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SHARE="/minecraft" # ZFS dataset everything lives on
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PACKROOT="" # defaults to $SHARE/packs
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WEBROOT="" # defaults to $SHARE — docroot the site is served from
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SITE_URL="" # defaults to the origin of $BASEURL
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PACK_URL="" # defaults to $SITE_URL/packs/<slug>
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SERVER_ADDR="" # defaults to the hostname of $SITE_URL
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MCPORT="25565" # Minecraft port, shown in the guides
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GUIDES=1 # write the player setup guides
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FORCE=0 # move an existing pack aside and rebuild it
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die() { echo "error: $*" >&2; exit 1; }
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info() { echo ">>> $*"; }
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warn() { echo " warning: $*" >&2; }
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usage() { awk 'NR>1 && /^#/ {sub(/^# ?/,""); print; next} NR>1 {exit}' "$0"; exit "${1:-0}"; }
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while [ $# -gt 0 ]; do
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case "$1" in
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-n|--name) NAME="${2:-}"; shift 2 ;;
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-a|--author) AUTHOR="${2:-}"; shift 2 ;;
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-m|--mc) MCVER="${2:-}"; shift 2 ;;
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-f|--neoforge) NFVER="${2:-}"; shift 2 ;;
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-M|--mods-dir) MODSDIR="${2:-}"; shift 2 ;;
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-u|--base-url) BASEURL="${2:-}"; shift 2 ;;
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-v|--version) PACKVER="${2:-}"; shift 2 ;;
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-d|--dir) DIR="${2:-}"; shift 2 ;;
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-s|--share) SHARE="${2:-}"; shift 2 ;;
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-r|--root) PACKROOT="${2:-}"; shift 2 ;;
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-W|--webroot) WEBROOT="${2:-}"; shift 2 ;;
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-U|--site-url) SITE_URL="${2:-}"; shift 2 ;;
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-P|--pack-url) PACK_URL="${2:-}"; shift 2 ;;
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-A|--server) SERVER_ADDR="${2:-}"; shift 2 ;;
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-p|--port) MCPORT="${2:-}"; shift 2 ;;
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--no-guides) GUIDES=0; shift ;;
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--force) FORCE=1; shift ;;
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-h|--help) usage 0 ;;
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*) echo "unknown option: $1" >&2; usage 1 ;;
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esac
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done
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[ "$(id -u)" -ne 0 ] || die "run this as your normal user, not root"
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[ -n "$NAME" ] || die "missing -n <pack name>"
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[ -n "$AUTHOR" ] || die "missing -a <author>"
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# ----------------------------------------------------------------- share ----
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# If the ZFS dataset isn't mounted, /minecraft is just an empty directory on
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# root — writing a pack there would silently land on the 15G root filesystem
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# instead of the pool. Refuse rather than fill up the wrong disk.
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[ -d "$SHARE" ] || die "$SHARE does not exist"
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if ! mountpoint -q "$SHARE"; then
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die "$SHARE exists but nothing is mounted there — the ZFS dataset is not mounted.
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Check 'zpool status' and 'zfs mount -a' before running this."
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fi
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fstype="$(findmnt -no FSTYPE "$SHARE" 2>/dev/null || true)"
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[ "$fstype" = "zfs" ] || warn "$SHARE is $fstype, not zfs — continuing anyway"
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[ -n "$PACKROOT" ] || PACKROOT="$SHARE/packs"
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slug="$(printf '%s' "$NAME" | tr '[:upper:] ' '[:lower:]-' | tr -cd 'a-z0-9-')"
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[ -n "$slug" ] || die "pack name '$NAME' has no usable characters for a directory name"
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[ -n "$DIR" ] || DIR="$PACKROOT/$slug"
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# Fail on permissions now, with the fix, rather than midway through init.
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mkdir -p "$PACKROOT" 2>/dev/null || true
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[ -w "$PACKROOT" ] || die "cannot write to $PACKROOT
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fix with: sudo install -d -o $USER -g $USER $PACKROOT"
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# ----------------------------------------------------------------- mirror ---
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# The mods dir defaults to the share; -u is what turns mirroring on.
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[ -n "$BASEURL" ] && [ -z "$MODSDIR" ] && MODSDIR="$SHARE/mods"
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if [ -n "$MODSDIR$BASEURL" ]; then
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[ -n "$BASEURL" ] || die "-M given without -u <http base url>"
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[ -d "$MODSDIR" ] || die "mods dir does not exist: $MODSDIR"
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fi
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BASEURL="${BASEURL%/}"
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# ------------------------------------------------------------------ site ----
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# Everything the guides need is derivable from the mirror URL, so one -u is
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# usually enough; each piece can still be overridden individually.
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[ -n "$SITE_URL" ] || [ -z "$BASEURL" ] || SITE_URL="$(awk -F/ '{print $1"//"$3}' <<<"$BASEURL")"
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SITE_URL="${SITE_URL%/}"
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if [ -n "$SITE_URL" ]; then
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[ -n "$PACK_URL" ] || PACK_URL="$SITE_URL/packs/$slug"
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[ -n "$SERVER_ADDR" ] || SERVER_ADDR="$(sed -e 's#^[a-z]*://##' -e 's#:.*##' <<<"$SITE_URL")"
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fi
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PACK_URL="${PACK_URL%/}"
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# Minecraft assumes 25565, so only show a port when it is not that — a
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# needless ":25565" in the address is a classic source of player confusion.
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if [ "$MCPORT" = "25565" ]; then
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SERVER_DISPLAY="$SERVER_ADDR"
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else
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SERVER_DISPLAY="$SERVER_ADDR:$MCPORT"
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fi
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[ -n "$WEBROOT" ] || WEBROOT="$SHARE"
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if (( GUIDES )); then
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if [ -z "$SITE_URL" ]; then
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warn "no -u or -U given, so the guide URLs can't be derived — skipping guides"
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GUIDES=0
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elif [ ! -d "$WEBROOT" ]; then
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die "webroot does not exist: $WEBROOT (set it with -W, or pass --no-guides)"
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elif [ ! -w "$WEBROOT" ]; then
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die "cannot write guides to $WEBROOT
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fix with: sudo install -d -o $USER -g $USER $WEBROOT
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or pass --no-guides"
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fi
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fi
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# ------------------------------------------------------------------ deps ----
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if ! command -v go >/dev/null; then
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info "installing Go"
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sudo dnf install -y golang >/dev/null || die "could not install golang"
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fi
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GOBIN="$(go env GOPATH)/bin"
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if ! command -v packwiz >/dev/null && [ ! -x "$GOBIN/packwiz" ]; then
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info "building packwiz (pulls from the Go module proxy, takes a minute)"
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go install github.com/packwiz/packwiz@latest \
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|| die "go install failed — check network access to proxy.golang.org"
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fi
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PACKWIZ="$(command -v packwiz || echo "$GOBIN/packwiz")"
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[ -x "$PACKWIZ" ] || die "packwiz not found after install; expected $GOBIN/packwiz"
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info "packwiz: $PACKWIZ"
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if ! command -v packwiz >/dev/null; then
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for rc in ~/.zshrc ~/.bashrc; do
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[ -f "$rc" ] || continue
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grep -q '/go/bin\|GOPATH/bin' "$rc" && continue
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printf '\nexport PATH="$PATH:%s"\n' "$GOBIN" >> "$rc"
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info "added $GOBIN to PATH in $rc"
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done
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export PATH="$PATH:$GOBIN"
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fi
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# ------------------------------------------------------------------ init ----
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if [ -e "$DIR/pack.toml" ]; then
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if (( FORCE )); then
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# Moved aside rather than deleted: the pack dir may hold hand-edited
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# .pw.toml files or a git history, and a rebuild is not worth losing them.
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bak="$DIR.bak.$(date +%Y%m%d%H%M%S)"
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info "existing pack found — moving it to $bak"
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mv "$DIR" "$bak"
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else
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die "$DIR/pack.toml already exists — refusing to overwrite
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Pass --force to move it aside and rebuild, or 'packwiz init --reinit' there."
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fi
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fi
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mkdir -p "$DIR"
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cd "$DIR"
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# The NeoForge flag names have moved between packwiz builds, so ask this
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# binary what it supports instead of assuming.
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help="$("$PACKWIZ" init --help 2>&1 || true)"
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grep -q -- '--modloader' <<<"$help" || die "unexpected packwiz init interface; run '$PACKWIZ init' interactively"
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args=(--name "$NAME" --author "$AUTHOR" --version "$PACKVER" --mc-version "$MCVER" --modloader neoforge)
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if [ -n "$NFVER" ]; then
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grep -q -- '--neoforge-version' <<<"$help" \
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|| die "this packwiz build has no --neoforge-version flag; run '$PACKWIZ init' interactively"
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args+=(--neoforge-version "$NFVER")
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elif grep -q -- '--neoforge-latest' <<<"$help"; then
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args+=(--neoforge-latest)
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fi
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info "initialising NeoForge pack for MC $MCVER in $(pwd)"
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"$PACKWIZ" init "${args[@]}"
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[ -f pack.toml ] || die "packwiz init did not produce a pack.toml"
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# ---------------------------------------------------------------- mirror ----
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if [ -n "$MODSDIR" ]; then
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grep -q 'url' <<<"$("$PACKWIZ" --help 2>&1 || true)" \
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|| die "this packwiz build has no 'url' subcommand — cannot add mods by URL"
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# packwiz downloads each URL to hash it, so a mirror that isn't up yet
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# produces a pile of confusing per-mod failures. Check once, up front.
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info "checking mirror at $BASEURL"
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probe="$(curl -so /dev/null -w '%{http_code}' --max-time 10 "$BASEURL/" || echo 000)"
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case "$probe" in
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2*|3*|40[34]) ;; # a listing may legitimately be forbidden
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000) die "cannot reach $BASEURL — start the mirror before running this" ;;
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*) warn "$BASEURL/ returned HTTP $probe; continuing, individual mods may fail" ;;
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esac
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shopt -s nullglob
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jars=("$MODSDIR"/*.jar)
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shopt -u nullglob
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[ "${#jars[@]}" -gt 0 ] || die "no .jar files found in $MODSDIR"
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info "adding ${#jars[@]} mods from the mirror"
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failed=()
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for jar in "${jars[@]}"; do
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file="$(basename "$jar")"
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# Mod name: filename without .jar and without a trailing version, since
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# packwiz uses this as the .pw.toml basename and it should stay stable
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# across version bumps.
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modname="$(printf '%s' "${file%.jar}" | sed -E 's/-[0-9][0-9A-Za-z.+_-]*$//')"
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[ -n "$modname" ] || modname="${file%.jar}"
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# Percent-encode the filename for the URL; leave the base URL alone.
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enc="$(printf '%s' "$file" | sed -e 's/%/%25/g' -e 's/ /%20/g' -e 's/+/%2B/g')"
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if "$PACKWIZ" url add "$modname" "$BASEURL/$enc" >/dev/null 2>&1; then
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printf ' + %s\n' "$modname"
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else
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printf ' ! %s (failed)\n' "$modname"
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failed+=("$file")
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fi
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done
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"$PACKWIZ" refresh
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if [ "${#failed[@]}" -gt 0 ]; then
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echo
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warn "${#failed[@]} of ${#jars[@]} mods failed to add:"
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printf ' %s\n' "${failed[@]}" >&2
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warn "re-run those by hand to see the error, e.g."
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warn " $PACKWIZ url add <name> $BASEURL/${failed[0]}"
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fi
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fi
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# ---------------------------------------------------------------- guides ----
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# One page per OS at $WEBROOT/setup-<os>-packwiz.html, generated with the real
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# pack URL and server address baked in so players never edit anything.
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write_guide() {
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local os="$1" out="$2"
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local os_label install_intro install_cmd install_note java_note dl_intro dl_cmd dl_note
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case "$os" in
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windows)
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os_label="Windows"
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install_intro="From PowerShell:"
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install_cmd="winget install --id PrismLauncher.PrismLauncher"
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install_note="Or grab the installer from prismlauncher.org if you'd rather not use winget."
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java_note="Prism can download and manage Java 21 for you — on first run it offers to, and you should let it."
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dl_intro="Open PowerShell in that folder and run:"
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dl_cmd="curl.exe -L -o packwiz-installer-bootstrap.jar https://github.com/packwiz/packwiz-installer-bootstrap/releases/latest/download/packwiz-installer-bootstrap.jar"
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dl_note="Or open that URL in a browser and move the downloaded file in."
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;;
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linux)
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os_label="Linux"
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install_intro="Flatpak works on every distro and is the easiest to keep current:"
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install_cmd="flatpak install flathub org.prismlauncher.PrismLauncher"
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install_note="Fedora also has <code class=\"inline\">sudo dnf install prismlauncher</code>, and Arch ships it in extra."
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java_note="The Flatpak bundles its own Java and ignores the system one — nothing to install. On a native package, Fedora: <code class=\"inline\">sudo dnf install java-21-openjdk</code>, Debian/Ubuntu: <code class=\"inline\">sudo apt install openjdk-21-jre</code>."
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dl_intro="From a terminal in that folder:"
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dl_cmd="curl -LO https://github.com/packwiz/packwiz-installer-bootstrap/releases/latest/download/packwiz-installer-bootstrap.jar"
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dl_note="Flatpak instances live under <code class=\"inline\">~/.var/app/org.prismlauncher.PrismLauncher/data/PrismLauncher/instances/</code>."
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;;
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*) die "unknown OS for guide: $os" ;;
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esac
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# Expanding heredoc: \$INST_JAVA and \$INST_MC_DIR are escaped so they reach
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# the page literally — Prism substitutes those at launch, not this script.
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cat > "$out" <<EOF
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<title>$NAME — Setup on $os_label</title>
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<style>
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:root{--bg:#F4F5F8;--surface:#FFF;--sunk:#EAECF2;--border:#D8DCE6;--ink:#171A22;
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--ink-soft:#4A5163;--muted:#6E7689;--accent:#3350D8;--accent-dim:#E6EAFB;
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--warn:#B0652C;--warn-dim:#FBF0E4;--code-bg:#14161E;--code-ink:#DDE2F0;
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--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
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--mono:ui-monospace,"SF Mono","JetBrains Mono","Cascadia Mono",Menlo,Consolas,monospace}
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@media(prefers-color-scheme:dark){:root{--bg:#101219;--surface:#171A23;--sunk:#1E222D;
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--border:#2B3040;--ink:#EDEFF5;--ink-soft:#B4BBCC;--muted:#838CA0;--accent:#7C92F5;
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--accent-dim:#1C2340;--warn:#E0A063;--warn-dim:#2A2113;--code-bg:#0B0D14}}
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:root[data-theme=dark]{--bg:#101219;--surface:#171A23;--sunk:#1E222D;--border:#2B3040;
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--ink:#EDEFF5;--ink-soft:#B4BBCC;--muted:#838CA0;--accent:#7C92F5;--accent-dim:#1C2340;
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--warn:#E0A063;--warn-dim:#2A2113;--code-bg:#0B0D14}
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:root[data-theme=light]{--bg:#F4F5F8;--surface:#FFF;--sunk:#EAECF2;--border:#D8DCE6;
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--ink:#171A22;--ink-soft:#4A5163;--muted:#6E7689;--accent:#3350D8;--accent-dim:#E6EAFB;
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--warn:#B0652C;--warn-dim:#FBF0E4;--code-bg:#14161E}
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*{box-sizing:border-box}
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body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
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font-size:16px;line-height:1.65;-webkit-font-smoothing:antialiased}
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.wrap{max-width:46rem;margin:0 auto;padding:0 1.25rem 5rem}
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.masthead{padding:3.5rem 0 2.5rem}
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.eyebrow{font-family:var(--mono);font-size:.72rem;text-transform:uppercase;
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letter-spacing:.14em;color:var(--muted);margin:0 0 .9rem}
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h1{font-size:clamp(2rem,6vw,2.9rem);line-height:1.08;letter-spacing:-.025em;
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font-weight:700;text-wrap:balance;margin:0 0 .85rem}
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.lede{font-size:1.08rem;color:var(--ink-soft);margin:0 0 1.75rem;max-width:34rem}
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.facts{display:flex;flex-wrap:wrap;gap:.5rem;padding:0;margin:0;list-style:none}
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.facts li{display:flex;align-items:baseline;gap:.45rem;background:var(--surface);
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border:1px solid var(--border);border-radius:2px;padding:.35rem .7rem;font-size:.85rem}
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.facts b{font-family:var(--mono);font-size:.7rem;text-transform:uppercase;
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letter-spacing:.1em;color:var(--muted);font-weight:500}
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.facts span{font-family:var(--mono);font-size:.86rem}
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.step{display:grid;grid-template-columns:2.4rem 1fr;gap:0 1rem;
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padding-bottom:2.2rem;margin-bottom:2.2rem;border-bottom:1px solid var(--border)}
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.num{font-family:var(--mono);font-size:.8rem;font-weight:600;color:var(--accent);
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padding-top:.35rem;font-variant-numeric:tabular-nums}
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.step h2{grid-column:2;font-size:1.3rem;line-height:1.25;letter-spacing:-.015em;
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font-weight:650;margin:0 0 .6rem;text-wrap:balance}
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.step .body{grid-column:2;display:flex;flex-direction:column;gap:.85rem}
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.step p{margin:0}
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.step ul{margin:0;padding-left:1.15rem;display:flex;flex-direction:column;gap:.35rem}
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@media(max-width:34rem){.step{grid-template-columns:1fr;gap:0}
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.step h2,.step .body{grid-column:1}.num{padding-top:0;margin-bottom:.2rem}}
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.cmd{position:relative}
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.cmd pre{margin:0;background:var(--code-bg);color:var(--code-ink);border-radius:3px;
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padding:.85rem 3.2rem .85rem 1rem;overflow-x:auto;font-family:var(--mono);
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font-size:.83rem;line-height:1.6}
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.cmd code{font-family:inherit;white-space:pre}
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.copy{position:absolute;top:.5rem;right:.5rem;font-family:var(--mono);font-size:.66rem;
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text-transform:uppercase;letter-spacing:.08em;padding:.25rem .5rem;border:1px solid #333A4D;
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border-radius:2px;background:transparent;color:#8E97AD;cursor:pointer}
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.copy:hover{color:var(--code-ink);border-color:#59627A}
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.copy:focus-visible{outline:2px solid var(--accent);outline-offset:1px}
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.copy[data-done="1"]{color:#7BD88F;border-color:#3D6B4A}
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code.inline{font-family:var(--mono);font-size:.86em;background:var(--sunk);
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border:1px solid var(--border);border-radius:2px;padding:.08em .34em;word-break:break-word}
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.caption{font-size:.82rem;color:var(--muted);margin:0}
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.note{border-left:2px solid var(--accent);background:var(--accent-dim);
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padding:.8rem 1rem;border-radius:0 3px 3px 0;font-size:.92rem}
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.note.warn{border-left-color:var(--warn);background:var(--warn-dim)}
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.note b{display:block;font-family:var(--mono);font-size:.68rem;text-transform:uppercase;
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letter-spacing:.1em;margin-bottom:.3rem;color:var(--accent);font-weight:600}
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|
.note.warn b{color:var(--warn)}
|
|
.note p{margin:0}
|
|
.mech{background:var(--surface);border:1px solid var(--border);border-radius:3px;
|
|
padding:1.5rem;margin-bottom:2.2rem}
|
|
.mech h2{font-size:1.15rem;margin:0 0 1rem;letter-spacing:-.01em}
|
|
.flow{display:flex;flex-direction:column;margin:0;padding:0;list-style:none}
|
|
.flow li{display:grid;grid-template-columns:8.5rem 1fr;gap:.9rem;padding:.6rem 0;
|
|
border-top:1px solid var(--border);font-size:.9rem}
|
|
.flow li:first-child{border-top:0;padding-top:0}
|
|
.flow b{font-family:var(--mono);font-size:.75rem;color:var(--accent);
|
|
font-weight:500;word-break:break-all}
|
|
@media(max-width:32rem){.flow li{grid-template-columns:1fr;gap:.15rem}}
|
|
h2.sec{font-size:1.15rem;margin:0 0 .9rem;letter-spacing:-.01em}
|
|
details{border:1px solid var(--border);border-radius:3px;background:var(--surface);
|
|
margin-bottom:.5rem}
|
|
summary{cursor:pointer;padding:.75rem 1rem;font-weight:550;font-size:.95rem;
|
|
list-style:none;display:flex;align-items:center;gap:.6rem}
|
|
summary::-webkit-details-marker{display:none}
|
|
summary::before{content:"+";font-family:var(--mono);color:var(--accent);font-size:1rem;line-height:1}
|
|
details[open] summary::before{content:"\2212"}
|
|
summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
|
|
.answer{padding:0 1rem 1rem;display:flex;flex-direction:column;gap:.7rem;
|
|
font-size:.92rem;color:var(--ink-soft)}
|
|
.answer p{margin:0}
|
|
footer{margin-top:3rem;padding-top:1.25rem;border-top:1px solid var(--border);
|
|
font-size:.84rem;color:var(--muted)}
|
|
@media(prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
|
|
</style>
|
|
|
|
<div class="wrap">
|
|
<header class="masthead">
|
|
<p class="eyebrow">Prism Launcher · $os_label</p>
|
|
<h1>Join $NAME, and stay on it</h1>
|
|
<p class="lede">A one-time setup that makes Prism re-sync your mods from the
|
|
server every time you hit Launch. A mod gets added, you get it next session —
|
|
no reinstalls, no zip files in chat.</p>
|
|
<ul class="facts">
|
|
<li><b>MC</b> <span>$MCVER</span></li>
|
|
<li><b>Loader</b> <span>NeoForge</span></li>
|
|
<li><b>Java</b> <span>21</span></li>
|
|
<li><b>Server</b> <span>$SERVER_DISPLAY</span></li>
|
|
</ul>
|
|
</header>
|
|
|
|
<section class="step"><div class="num">01</div>
|
|
<h2>Install Prism Launcher</h2>
|
|
<div class="body">
|
|
<p>$install_intro</p>
|
|
<div class="cmd"><pre><code>$install_cmd</code></pre><button class="copy" type="button">Copy</button></div>
|
|
<p class="caption">$install_note</p>
|
|
</div>
|
|
</section>
|
|
|
|
<section class="step"><div class="num">02</div>
|
|
<h2>Get Java 21</h2>
|
|
<div class="body">
|
|
<p>Minecraft $MCVER on NeoForge needs Java 21. Check what you have:</p>
|
|
<div class="cmd"><pre><code>java -version</code></pre><button class="copy" type="button">Copy</button></div>
|
|
<p class="caption">$java_note</p>
|
|
</div>
|
|
</section>
|
|
|
|
<section class="step"><div class="num">03</div>
|
|
<h2>Create the instance</h2>
|
|
<div class="body">
|
|
<p>Click <b>Add Instance</b> and set it up as:</p>
|
|
<ul>
|
|
<li><b>Version</b> — $MCVER</li>
|
|
<li><b>Mod loader</b> — NeoForge, latest for $MCVER</li>
|
|
</ul>
|
|
<p>Create it, but <b>don't launch it yet</b>. Leave the mods folder empty —
|
|
the next two steps fill it, and anything you add by hand is removed on the
|
|
first sync.</p>
|
|
</div>
|
|
</section>
|
|
|
|
<section class="step"><div class="num">04</div>
|
|
<h2>Drop in the installer</h2>
|
|
<div class="body">
|
|
<p>Select the instance, click <b>Folder</b> in the right-hand panel, then open
|
|
the <code class="inline">.minecraft</code> folder inside it.</p>
|
|
<p>$dl_intro</p>
|
|
<div class="cmd"><pre><code>$dl_cmd</code></pre><button class="copy" type="button">Copy</button></div>
|
|
<p class="caption">$dl_note</p>
|
|
</div>
|
|
</section>
|
|
|
|
<section class="step"><div class="num">05</div>
|
|
<h2>Wire up the automatic pull</h2>
|
|
<div class="body">
|
|
<p>This is the step that does the work. Right-click the instance →
|
|
<b>Edit</b> → <b>Settings</b> → <b>Custom commands</b>. Tick
|
|
<b>Custom commands</b>, then paste this into <b>Pre-launch command</b>:</p>
|
|
<div class="cmd"><pre><code>"\$INST_JAVA" -jar packwiz-installer-bootstrap.jar -g -s client $PACK_URL/pack.toml</code></pre><button class="copy" type="button">Copy</button></div>
|
|
<p>Every launch from now on, Prism runs that first: it reads the pack from the
|
|
server, downloads anything new, removes anything dropped, and only then starts
|
|
the game.</p>
|
|
<div class="note"><b>What the flags do</b>
|
|
<p><code class="inline">-g</code> skips the progress window — drop it the first
|
|
time so you can watch it work and see any errors.
|
|
<code class="inline">-s client</code> installs client-side mods only.</p>
|
|
</div>
|
|
</div>
|
|
</section>
|
|
|
|
<section class="step"><div class="num">06</div>
|
|
<h2>Launch and add the server</h2>
|
|
<div class="body">
|
|
<p>Hit <b>Launch</b>. The first run downloads the full mod set, so give it a
|
|
minute. At the title screen go to <b>Multiplayer</b> → <b>Add Server</b>:</p>
|
|
<div class="cmd"><pre><code>$SERVER_DISPLAY</code></pre><button class="copy" type="button">Copy</button></div>
|
|
<p>That's it. From here on just launch normally — updates arrive on their own.</p>
|
|
</div>
|
|
</section>
|
|
|
|
<section class="mech">
|
|
<h2>What happens on every launch</h2>
|
|
<ol class="flow">
|
|
<li><b>pack.toml</b><span>Fetched first. Names the index and its hash, so a changed pack is spotted immediately.</span></li>
|
|
<li><b>index.toml</b><span>Lists every mod entry with its hash.</span></li>
|
|
<li><b>mods/*.pw.toml</b><span>One per mod: where to download it, and the hash it must match.</span></li>
|
|
<li><b>your mods folder</b><span>Missing files downloaded, changed files replaced, removed files deleted.</span></li>
|
|
</ol>
|
|
</section>
|
|
|
|
<section>
|
|
<h2 class="sec">When it doesn't work</h2>
|
|
|
|
<details><summary>"Unable to access jarfile packwiz-installer-bootstrap.jar"</summary>
|
|
<div class="answer">
|
|
<p>The pre-launch command ran somewhere other than the folder holding the jar. Use the full path instead:</p>
|
|
<div class="cmd"><pre><code>"\$INST_JAVA" -jar "\$INST_MC_DIR/packwiz-installer-bootstrap.jar" -g -s client $PACK_URL/pack.toml</code></pre><button class="copy" type="button">Copy</button></div>
|
|
</div>
|
|
</details>
|
|
|
|
<details><summary>Game launches with no mods at all</summary>
|
|
<div class="answer">
|
|
<p>The pre-launch command didn't run. Check that <b>Custom commands</b> is
|
|
actually ticked in the instance settings — pasting the command without
|
|
enabling the checkbox is the usual cause.</p>
|
|
<p>Remove the <code class="inline">-g</code> flag and launch again; you'll see
|
|
the installer window and whatever it's complaining about.</p>
|
|
</div>
|
|
</details>
|
|
|
|
<details><summary>A hash doesn't match and the install stops</summary>
|
|
<div class="answer">
|
|
<p>A file on the server changed but the pack still lists the old hash. That's
|
|
the pack being out of date, not your machine — nothing to fix client-side.</p>
|
|
<p>Tell $AUTHOR to re-run the refresh script, then launch again.</p>
|
|
</div>
|
|
</details>
|
|
|
|
<details><summary>Crash mentioning class versions or UnsupportedClassVersionError</summary>
|
|
<div class="answer">
|
|
<p>Wrong Java. NeoForge for $MCVER needs Java 21, and an older one loads far
|
|
enough to crash confusingly.</p>
|
|
<p>In Prism: <b>Edit</b> → <b>Settings</b> → <b>Java</b> → <b>Auto-detect</b>, and pick a 21.</p>
|
|
</div>
|
|
</details>
|
|
|
|
<details><summary>Mods I added by hand keep disappearing</summary>
|
|
<div class="answer">
|
|
<p>Working as intended — the sync makes your mods folder match the server's
|
|
exactly, so anything not in the pack is removed each launch.</p>
|
|
<p>Want a personal client-side mod? Ask $AUTHOR to add it to the pack.</p>
|
|
</div>
|
|
</details>
|
|
</section>
|
|
|
|
<footer>Pack served from $SITE_URL · $NAME $PACKVER · If the pre-launch step
|
|
fails, the game still launches, with whatever mods it had last time.</footer>
|
|
</div>
|
|
|
|
<script>
|
|
document.querySelectorAll('.copy').forEach(function(b){
|
|
b.addEventListener('click',function(){
|
|
var c=b.parentElement.querySelector('code'); if(!c)return;
|
|
navigator.clipboard.writeText(c.textContent.trim()).then(function(){
|
|
b.textContent='Copied'; b.dataset.done='1';
|
|
setTimeout(function(){b.textContent='Copy';delete b.dataset.done;},1600);
|
|
}).catch(function(){
|
|
b.textContent='Ctrl+C';
|
|
setTimeout(function(){b.textContent='Copy';},1600);
|
|
});
|
|
});
|
|
});
|
|
</script>
|
|
EOF
|
|
}
|
|
|
|
if (( GUIDES )); then
|
|
info "writing player setup guides to $WEBROOT"
|
|
for os in windows linux; do
|
|
out="$WEBROOT/setup-$os-packwiz.html"
|
|
write_guide "$os" "$out"
|
|
chmod 644 "$out"
|
|
printf ' %s -> %s/setup-%s-packwiz.html\n' "$out" "$SITE_URL" "$os"
|
|
done
|
|
fi
|
|
|
|
# ---------------------------------------------------------------- finish ----
|
|
|
|
cat > .gitignore <<'EOF'
|
|
# packwiz build output
|
|
/build/
|
|
EOF
|
|
|
|
if command -v git >/dev/null && [ ! -d .git ]; then
|
|
git init -q && git add -A && git commit -qm "Initial packwiz pack" \
|
|
&& info "git repo initialised with an initial commit"
|
|
fi
|
|
|
|
echo
|
|
info "done — pack is in $(pwd)"
|
|
cat <<EOF
|
|
|
|
The mods are referenced by URL against $BASEURL, with hashes pinned in the
|
|
index. If you replace a jar on the mirror, its hash changes and clients will
|
|
fail the check — re-run 'packwiz url add' for that mod to update it.
|
|
|
|
packwiz refresh # rebuild the index after manual edits
|
|
packwiz serve # serve pack.toml locally for testing
|
|
packwiz url add <name> <url> # add one more mod from the mirror
|
|
packwiz remove <name>
|
|
|
|
Clients need $(pwd) served at $PACK_URL — that is where
|
|
pack.toml, index.toml and mods/*.pw.toml are fetched from. Verify with:
|
|
|
|
curl -fsS $PACK_URL/pack.toml | head -3
|
|
EOF
|