scripts/lmcp-install-macos.sh: fix for real-world Homebrew
Original draft assumed `brew install lua luasocket` works. It doesn't: luasocket isn't a brew formula (install via luarocks), and default `lua` is 5.5 while the rest of the fleet is on 5.4. Fix tested on riemann (Intel Mac, macOS 14.8.3): - Pin to lua@5.4 (keg-only brew formula) — matches fleet library paths. - Install luasocket via luarocks into the user-local rocks tree. - Source brew shellenv ourselves so non-login bash shells can find brew. - Bake LUA_PATH / LUA_CPATH into the LaunchAgent plist so the service resolves `require 'socket'` from ~/.luarocks/. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
@@ -1,10 +1,11 @@
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#!/bin/bash
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# Install lmcp on macOS via Homebrew.
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#
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# Idempotent. Pulls lua + luasocket from brew, copies lmcp library files
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# into brew's share/lua/5.4/ tree, mints a Bearer token (or reuses an
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# existing one at $(brew --prefix)/etc/lmcp/token), installs a LaunchAgent,
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# starts the service, and prints the token for Claude Code MCP config.
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# Pins to lua@5.4 (keg-only brew formula) to keep library paths aligned
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# with the rest of the fleet (Arch/ALARM, Debian). Installs luasocket via
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# luarocks into the user-local rocks tree (~/.luarocks/) and bakes the
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# required LUA_PATH / LUA_CPATH into the LaunchAgent plist so the service
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# can `require 'socket'`.
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#
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# Usage (from lmcp repo root):
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# ./scripts/lmcp-install-macos.sh
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@@ -16,37 +17,55 @@
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set -euo pipefail
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PREFIX=$(brew --prefix)
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REPO=${REPO:-$(cd "$(dirname "$0")/.." && pwd)}
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LABEL="de.reauktion.marfrit.lmcp"
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PLIST="$HOME/Library/LaunchAgents/$LABEL.plist"
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TOKEN_FILE="$PREFIX/etc/lmcp/token"
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PORT="${LMCP_PORT:-8080}"
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NAME="${LMCP_NAME:-$(hostname -s)-tools}"
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# brew is only on PATH in login shells by default; source its env explicitly
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# so this works under a plain non-login bash too.
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if ! command -v brew >/dev/null 2>&1; then
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for candidate in /opt/homebrew/bin/brew /usr/local/bin/brew; do
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if [ -x "$candidate" ]; then
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eval "$("$candidate" shellenv)"
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break
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fi
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done
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fi
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command -v brew >/dev/null 2>&1 || { echo "error: Homebrew not found"; exit 1; }
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REPO=${REPO:-$(cd "$(dirname "$0")/.." && pwd)}
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for f in lmcp.lua json.lua server.lua example_server.lua; do
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[ -f "$REPO/$f" ] || { echo "error: $REPO/$f not found — run from lmcp repo root or set REPO="; exit 1; }
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done
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echo "==> brew install lua + luasocket"
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brew install --quiet lua luasocket
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echo "==> brew install lua@5.4 luarocks"
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brew install --quiet lua@5.4 luarocks
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LUA="$PREFIX/bin/lua"
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[ -x "$LUA" ] || { echo "error: $LUA not executable after brew install"; exit 1; }
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LUA54_PREFIX=$(brew --prefix lua@5.4)
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LUA54=$LUA54_PREFIX/bin/lua5.4
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BREW_PREFIX=$(brew --prefix)
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[ -x "$LUA54" ] || { echo "error: $LUA54 missing after brew install"; exit 1; }
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echo "==> install library files into $PREFIX/share/lua/5.4/"
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install -d "$PREFIX/share/lua/5.4"
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install -m 644 "$REPO/lmcp.lua" "$PREFIX/share/lua/5.4/lmcp.lua"
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install -m 644 "$REPO/json.lua" "$PREFIX/share/lua/5.4/json.lua"
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install -m 644 "$REPO/server.lua" "$PREFIX/share/lua/5.4/server.lua"
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install -m 755 "$REPO/example_server.lua" "$PREFIX/bin/lmcp-example"
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echo "==> luarocks install luasocket (user-local, pinned to lua@5.4)"
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luarocks --lua-version 5.4 --lua-dir "$LUA54_PREFIX" install --local luasocket
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# Token: retain existing, otherwise mint 32 bytes of hex.
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LR_PATH=$(luarocks --lua-version 5.4 --lua-dir "$LUA54_PREFIX" path --lr-path)
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LR_CPATH=$(luarocks --lua-version 5.4 --lua-dir "$LUA54_PREFIX" path --lr-cpath)
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DEFAULT_LUA_P="$BREW_PREFIX/share/lua/5.4/?.lua;$BREW_PREFIX/share/lua/5.4/?/init.lua;$BREW_PREFIX/lib/lua/5.4/?.lua;$BREW_PREFIX/lib/lua/5.4/?/init.lua;./?.lua;./?/init.lua"
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DEFAULT_LUA_CP="$BREW_PREFIX/lib/lua/5.4/?.so;./?.so"
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FULL_LUA_P="$DEFAULT_LUA_P;$LR_PATH"
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FULL_LUA_CP="$DEFAULT_LUA_CP;$LR_CPATH"
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echo "==> install library files into $BREW_PREFIX/share/lua/5.4/"
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install -d "$BREW_PREFIX/share/lua/5.4"
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install -m 644 "$REPO/lmcp.lua" "$BREW_PREFIX/share/lua/5.4/lmcp.lua"
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install -m 644 "$REPO/json.lua" "$BREW_PREFIX/share/lua/5.4/json.lua"
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install -m 644 "$REPO/server.lua" "$BREW_PREFIX/share/lua/5.4/server.lua"
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install -m 755 "$REPO/example_server.lua" "$BREW_PREFIX/bin/lmcp-example"
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# Token: retain existing, mint new otherwise
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TOKEN_FILE="$BREW_PREFIX/etc/lmcp/token"
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install -d -m 755 "$BREW_PREFIX/etc/lmcp"
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if [ -r "$TOKEN_FILE" ]; then
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TOKEN=$(cat "$TOKEN_FILE")
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echo "==> reusing token from $TOKEN_FILE"
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else
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install -d -m 700 "$(dirname "$TOKEN_FILE")"
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TOKEN=$(openssl rand -hex 32)
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umask 077
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printf '%s\n' "$TOKEN" > "$TOKEN_FILE"
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@@ -54,6 +73,11 @@ else
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echo "==> minted new token, stored at $TOKEN_FILE (0600)"
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fi
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LABEL="de.reauktion.marfrit.lmcp"
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PLIST="$HOME/Library/LaunchAgents/$LABEL.plist"
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PORT="${LMCP_PORT:-8080}"
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NAME="${LMCP_NAME:-$(hostname -s)-tools}"
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echo "==> write LaunchAgent $PLIST"
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mkdir -p "$HOME/Library/LaunchAgents"
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cat > "$PLIST" <<PLIST
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@@ -65,8 +89,8 @@ cat > "$PLIST" <<PLIST
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<string>$LABEL</string>
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<key>ProgramArguments</key>
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<array>
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<string>$LUA</string>
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<string>$PREFIX/share/lua/5.4/server.lua</string>
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<string>$LUA54</string>
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<string>$BREW_PREFIX/share/lua/5.4/server.lua</string>
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</array>
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<key>EnvironmentVariables</key>
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<dict>
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@@ -76,6 +100,10 @@ cat > "$PLIST" <<PLIST
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<string>$NAME</string>
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<key>LMCP_TOKEN</key>
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<string>$TOKEN</string>
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<key>LUA_PATH</key>
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<string>$FULL_LUA_P</string>
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<key>LUA_CPATH</key>
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<string>$FULL_LUA_CP</string>
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</dict>
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<key>RunAtLoad</key>
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<true/>
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@@ -94,12 +122,12 @@ echo "==> (re)load LaunchAgent"
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launchctl unload "$PLIST" 2>/dev/null || true
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launchctl load "$PLIST"
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sleep 1
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sleep 2
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echo "==> smoke test (unauth expected 401, Bearer expected 200)"
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unauth=$(curl -s -o /dev/null -w '%{http_code}' -X POST "http://127.0.0.1:$PORT/mcp" \
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unauth=$(curl -s -o /dev/null -w '%{http_code}' --max-time 3 -X POST "http://127.0.0.1:$PORT/mcp" \
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-H 'Content-Type: application/json' \
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-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}' || echo "000")
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auth=$(curl -s -X POST "http://127.0.0.1:$PORT/mcp" \
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auth=$(curl -s --max-time 3 -X POST "http://127.0.0.1:$PORT/mcp" \
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-H "Authorization: Bearer $TOKEN" \
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-H 'Content-Type: application/json' \
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-d '{"jsonrpc":"2.0","id":1,"method":"tools/list"}' || true)
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@@ -121,7 +149,7 @@ Add to Claude Code ~/.claude.json on the client machine:
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"$NAME": {
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"type": "http",
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"url": "http://$(hostname -s).local:$PORT/mcp",
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"url": "http://$(hostname -s).fritz.box:$PORT/mcp",
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"headers": { "Authorization": "Bearer $TOKEN" }
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}
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