107 lines
4 KiB
Bash
Executable file
107 lines
4 KiB
Bash
Executable file
#!/bin/bash
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# Start the jobbsok-tools stdio MCP server on an interpreter that is new enough.
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#
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# bash 3.2-clean and ASCII-only on purpose: the system bash on this Mac is 3.2,
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# and a multibyte character has crashed a `set -u` script here before.
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#
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# Why this file exists at all, rather than .mcp.json naming python3 directly:
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# a GUI-spawned process on this Mac can resolve python3 to 3.9.6 under an
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# empty launchd PATH (risk H2). A server running on 3.9.6 is worse than no
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# server, because the degradation branch already covers an absent server and
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# nothing covers a silently wrong one. So every candidate below is gated on
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# the version, and when none passes the launcher refuses instead of falling
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# through to whatever python3 the PATH happens to offer.
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#
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# Resolution order, first candidate that passes the gate wins:
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# 1. $JOBBSOK_PYTHON -- the manual override. Named explicitly by
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# the operator, so a version failure here
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# is refused outright rather than skipped:
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# falling back from an interpreter someone
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# asked for would hide their mistake.
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# 2. $CLAUDE_PLUGIN_DATA/venv -- what scripts/bootstrap.sh builds against
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# an installed plugin. This is the
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# supported route in an installed copy.
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# 3. $CLAUDE_PLUGIN_ROOT/.venv -- the development environment. The packaged
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# archive excludes the virtualenv, so this
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# branch never fires in an installed copy.
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# 4. python3 on PATH -- last resort, and only at 3.10 or newer.
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set -eu
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MIN_MAJOR=3
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MIN_MINOR=10
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SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
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if [ -n "${CLAUDE_PLUGIN_ROOT:-}" ]; then
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PLUGIN_ROOT="$CLAUDE_PLUGIN_ROOT"
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else
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PLUGIN_ROOT=$(cd "$SCRIPT_DIR/.." && pwd)
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fi
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SERVER="${PLUGIN_ROOT}/scripts/jobbsok_tools.py"
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version_ok() {
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"$1" -c "import sys; sys.exit(0 if sys.version_info >= ($MIN_MAJOR, $MIN_MINOR) else 1)" \
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>/dev/null 2>&1
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}
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version_of() {
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"$1" -c "import sys; print('%d.%d.%d' % sys.version_info[:3])" 2>/dev/null || echo "ukjent"
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}
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usable() {
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[ -n "$1" ] || return 1
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command -v "$1" >/dev/null 2>&1 || return 1
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version_ok "$1"
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}
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PYTHON_BIN=""
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if [ -n "${JOBBSOK_PYTHON:-}" ]; then
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if ! command -v "$JOBBSOK_PYTHON" >/dev/null 2>&1; then
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echo "jobbsok-tools: JOBBSOK_PYTHON=$JOBBSOK_PYTHON is not executable." >&2
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echo "jobbsok-tools: refusing to start. Point it at a Python ${MIN_MAJOR}.${MIN_MINOR}+ interpreter." >&2
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exit 1
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fi
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if ! version_ok "$JOBBSOK_PYTHON"; then
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echo "jobbsok-tools: JOBBSOK_PYTHON=$JOBBSOK_PYTHON is Python $(version_of "$JOBBSOK_PYTHON")." >&2
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echo "jobbsok-tools: ${MIN_MAJOR}.${MIN_MINOR}+ is required; refusing to start on it." >&2
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exit 1
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fi
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PYTHON_BIN="$JOBBSOK_PYTHON"
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fi
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if [ -z "$PYTHON_BIN" ] && [ -n "${CLAUDE_PLUGIN_DATA:-}" ]; then
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CANDIDATE="${CLAUDE_PLUGIN_DATA}/venv/bin/python"
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if usable "$CANDIDATE"; then
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PYTHON_BIN="$CANDIDATE"
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fi
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fi
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if [ -z "$PYTHON_BIN" ]; then
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CANDIDATE="${PLUGIN_ROOT}/.venv/bin/python3"
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if usable "$CANDIDATE"; then
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PYTHON_BIN="$CANDIDATE"
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fi
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fi
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if [ -z "$PYTHON_BIN" ]; then
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CANDIDATE=$(command -v python3 2>/dev/null || true)
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if usable "$CANDIDATE"; then
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PYTHON_BIN="$CANDIDATE"
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fi
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fi
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if [ -z "$PYTHON_BIN" ]; then
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echo "jobbsok-tools: found no Python ${MIN_MAJOR}.${MIN_MINOR}+ interpreter." >&2
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echo "jobbsok-tools: tried JOBBSOK_PYTHON, \$CLAUDE_PLUGIN_DATA/venv, \$CLAUDE_PLUGIN_ROOT/.venv and python3 on PATH." >&2
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echo "jobbsok-tools: run 'bash scripts/bootstrap.sh' against the installed plugin, or set JOBBSOK_PYTHON." >&2
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echo "jobbsok-tools: refusing to start rather than serving on an interpreter below ${MIN_MAJOR}.${MIN_MINOR}." >&2
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exit 1
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fi
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if [ ! -f "$SERVER" ]; then
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echo "jobbsok-tools: server not found at $SERVER" >&2
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exit 1
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fi
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exec "$PYTHON_BIN" "$SERVER" "$@"
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