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Copier update: v0.2.0 (run Biome as a local hook) #116

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Merged
ejfine merged 2 commits into from
Oct 15, 2026
Merged

Copier update: v0.2.0 (run Biome as a local hook) #116

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252d9c9
Copier update: v0.2.0 (run Biome as a local hook)
ejfine Oct 15, 2026
d8feaba
Update devcontainer context hash
ejfine Oct 15, 2026
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57 changes: 0 additions & 57 deletions .claude/hooks/bash-chain-guard.js
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44 changes: 21 additions & 23 deletions .claude/hooks/caveman-config.js
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Expand Up @@ -9,31 +9,25 @@
// - %APPDATA%\caveman\config.json (Windows fallback)
// 3. 'full'

const fs = require('fs');
const path = require('path');
const os = require('os');
const fs = require("fs");
const path = require("path");
const os = require("os");

const VALID_MODES = [
'off', 'lite', 'full', 'ultra',
'wenyan-lite', 'wenyan', 'wenyan-full', 'wenyan-ultra',
'commit', 'review', 'compress'
];
// biome-ignore format: the whole mode list reads best on one line
const VALID_MODES = ["off", "lite", "full", "ultra", "wenyan-lite", "wenyan", "wenyan-full", "wenyan-ultra", "commit", "review", "compress"];

function getConfigDir() {
if (process.env.XDG_CONFIG_HOME) {
return path.join(process.env.XDG_CONFIG_HOME, 'caveman');
return path.join(process.env.XDG_CONFIG_HOME, "caveman");
}
if (process.platform === 'win32') {
return path.join(
process.env.APPDATA || path.join(os.homedir(), 'AppData', 'Roaming'),
'caveman'
);
if (process.platform === "win32") {
return path.join(process.env.APPDATA || path.join(os.homedir(), "AppData", "Roaming"), "caveman");
}
return path.join(os.homedir(), '.config', 'caveman');
return path.join(os.homedir(), ".config", "caveman");
}

function getConfigPath() {
return path.join(getConfigDir(), 'config.json');
return path.join(getConfigDir(), "config.json");
}

function getDefaultMode() {
Expand All @@ -46,7 +40,7 @@ function getDefaultMode() {
// 2. Config file
try {
const configPath = getConfigPath();
const config = JSON.parse(fs.readFileSync(configPath, 'utf8'));
const config = JSON.parse(fs.readFileSync(configPath, "utf8"));
if (config.defaultMode && VALID_MODES.includes(config.defaultMode.toLowerCase())) {
return config.defaultMode.toLowerCase();
}
Expand All @@ -55,7 +49,7 @@ function getDefaultMode() {
}

// 3. Default
return 'full';
return "full";
}

// Symlink-safe flag file write.
Expand Down Expand Up @@ -86,17 +80,21 @@ function safeWriteFlag(flagPath, content) {
try {
if (fs.lstatSync(flagPath).isSymbolicLink()) return;
} catch (e) {
if (e.code !== 'ENOENT') return;
if (e.code !== "ENOENT") return;
}

const tempPath = path.join(flagDir, `.caveman-active.${process.pid}.${Date.now()}`);
const O_NOFOLLOW = typeof fs.constants.O_NOFOLLOW === 'number' ? fs.constants.O_NOFOLLOW : 0;
const O_NOFOLLOW = typeof fs.constants.O_NOFOLLOW === "number" ? fs.constants.O_NOFOLLOW : 0;
const flags = fs.constants.O_WRONLY | fs.constants.O_CREAT | fs.constants.O_EXCL | O_NOFOLLOW;
let fd;
try {
fd = fs.openSync(tempPath, flags, 0o600);
fs.writeSync(fd, String(content));
try { fs.fchmodSync(fd, 0o600); } catch (e) { /* best-effort on Windows */ }
try {
fs.fchmodSync(fd, 0o600);
} catch (e) {
/* best-effort on Windows */
}
} finally {
if (fd !== undefined) fs.closeSync(fd);
}
Expand Down Expand Up @@ -130,15 +128,15 @@ function readFlag(flagPath) {
if (st.isSymbolicLink() || !st.isFile()) return null;
if (st.size > MAX_FLAG_BYTES) return null;

const O_NOFOLLOW = typeof fs.constants.O_NOFOLLOW === 'number' ? fs.constants.O_NOFOLLOW : 0;
const O_NOFOLLOW = typeof fs.constants.O_NOFOLLOW === "number" ? fs.constants.O_NOFOLLOW : 0;
const flags = fs.constants.O_RDONLY | O_NOFOLLOW;
let fd;
let out;
try {
fd = fs.openSync(flagPath, flags);
const buf = Buffer.alloc(MAX_FLAG_BYTES);
const n = fs.readSync(fd, buf, 0, MAX_FLAG_BYTES, 0);
out = buf.slice(0, n).toString('utf8');
out = buf.slice(0, n).toString("utf8");
} finally {
if (fd !== undefined) fs.closeSync(fd);
}
Expand Down
101 changes: 58 additions & 43 deletions .claude/hooks/caveman-mode-tracker.js
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Expand Up @@ -2,69 +2,79 @@
// caveman — UserPromptSubmit hook to track which caveman mode is active
// Inspects user input for /caveman commands and writes mode to flag file

const fs = require('fs');
const path = require('path');
const os = require('os');
const { getDefaultMode, safeWriteFlag, readFlag } = require('./caveman-config');
const fs = require("fs");
const path = require("path");
const os = require("os");
const { getDefaultMode, safeWriteFlag, readFlag } = require("./caveman-config");

const claudeDir = path.join(process.env.PROJECT_ROOT_DIR || os.homedir(), '.claude');
const flagPath = path.join(claudeDir, '.caveman-active');
const claudeDir = path.join(process.env.PROJECT_ROOT_DIR || os.homedir(), ".claude");
const flagPath = path.join(claudeDir, ".caveman-active");

let input = '';
process.stdin.on('data', chunk => { input += chunk; });
process.stdin.on('end', () => {
let input = "";
process.stdin.on("data", (chunk) => {
input += chunk;
});
process.stdin.on("end", () => {
try {
const data = JSON.parse(input);
const prompt = (data.prompt || '').trim().toLowerCase();
const prompt = (data.prompt || "").trim().toLowerCase();

// Natural language activation (e.g. "activate caveman", "turn on caveman mode",
// "talk like caveman"). README tells users they can say these, but the hook
// only matched /caveman commands — flag file and statusline stayed out of sync.
if (/\b(activate|enable|turn on|start|talk like)\b.*\bcaveman\b/i.test(prompt) ||
/\bcaveman\b.*\b(mode|activate|enable|turn on|start)\b/i.test(prompt)) {
if (
/\b(activate|enable|turn on|start|talk like)\b.*\bcaveman\b/i.test(prompt) ||
/\bcaveman\b.*\b(mode|activate|enable|turn on|start)\b/i.test(prompt)
) {
if (!/\b(stop|disable|turn off|deactivate)\b/i.test(prompt)) {
const mode = getDefaultMode();
if (mode !== 'off') {
if (mode !== "off") {
safeWriteFlag(flagPath, mode);
}
}
}

// Match /caveman commands
if (prompt.startsWith('/caveman')) {
if (prompt.startsWith("/caveman")) {
const parts = prompt.split(/\s+/);
const cmd = parts[0]; // /caveman, /caveman-commit, /caveman-review, etc.
const arg = parts[1] || '';
const arg = parts[1] || "";

let mode = null;

if (cmd === '/caveman-commit') {
mode = 'commit';
} else if (cmd === '/caveman-review') {
mode = 'review';
} else if (cmd === '/caveman-compress' || cmd === '/caveman:caveman-compress') {
mode = 'compress';
} else if (cmd === '/caveman' || cmd === '/caveman:caveman') {
if (arg === 'lite') mode = 'lite';
else if (arg === 'ultra') mode = 'ultra';
else if (arg === 'wenyan-lite') mode = 'wenyan-lite';
else if (arg === 'wenyan' || arg === 'wenyan-full') mode = 'wenyan';
else if (arg === 'wenyan-ultra') mode = 'wenyan-ultra';
if (cmd === "/caveman-commit") {
mode = "commit";
} else if (cmd === "/caveman-review") {
mode = "review";
} else if (cmd === "/caveman-compress" || cmd === "/caveman:caveman-compress") {
mode = "compress";
} else if (cmd === "/caveman" || cmd === "/caveman:caveman") {
if (arg === "lite") mode = "lite";
else if (arg === "ultra") mode = "ultra";
else if (arg === "wenyan-lite") mode = "wenyan-lite";
else if (arg === "wenyan" || arg === "wenyan-full") mode = "wenyan";
else if (arg === "wenyan-ultra") mode = "wenyan-ultra";
else mode = getDefaultMode();
}

if (mode && mode !== 'off') {
if (mode && mode !== "off") {
safeWriteFlag(flagPath, mode);
} else if (mode === 'off') {
try { fs.unlinkSync(flagPath); } catch (e) {}
} else if (mode === "off") {
try {
fs.unlinkSync(flagPath);
} catch (e) {}
}
}

// Detect deactivation — natural language and slash commands
if (/\b(stop|disable|deactivate|turn off)\b.*\bcaveman\b/i.test(prompt) ||
/\bcaveman\b.*\b(stop|disable|deactivate|turn off)\b/i.test(prompt) ||
/\bnormal mode\b/i.test(prompt)) {
try { fs.unlinkSync(flagPath); } catch (e) {}
if (
/\b(stop|disable|deactivate|turn off)\b.*\bcaveman\b/i.test(prompt) ||
/\bcaveman\b.*\b(stop|disable|deactivate|turn off)\b/i.test(prompt) ||
/\bnormal mode\b/i.test(prompt)
) {
try {
fs.unlinkSync(flagPath);
} catch (e) {}
}

// Per-turn reinforcement: emit a structured reminder when caveman is active.
Expand All @@ -78,17 +88,22 @@ process.stdin.on('end', () => {
// If the flag is missing, corrupted, oversized, or a symlink pointing at
// something like ~/.ssh/id_rsa, readFlag returns null and we emit nothing
// — never inject untrusted bytes into model context.
const INDEPENDENT_MODES = new Set(['commit', 'review', 'compress']);
const INDEPENDENT_MODES = new Set(["commit", "review", "compress"]);
const activeMode = readFlag(flagPath);
if (activeMode && !INDEPENDENT_MODES.has(activeMode)) {
process.stdout.write(JSON.stringify({
hookSpecificOutput: {
hookEventName: "UserPromptSubmit",
additionalContext: "CAVEMAN MODE ACTIVE (" + activeMode + "). " +
"Drop articles/filler/pleasantries/hedging. Fragments OK. " +
"Code/commits/security: write normal."
}
}));
process.stdout.write(
JSON.stringify({
hookSpecificOutput: {
hookEventName: "UserPromptSubmit",
additionalContext:
"CAVEMAN MODE ACTIVE (" +
activeMode +
"). " +
"Drop articles/filler/pleasantries/hedging. Fragments OK. " +
"Code/commits/security: write normal.",
},
}),
);
}
} catch (e) {
// Silent fail
Expand Down
35 changes: 11 additions & 24 deletions .claude/settings/hooks.jsonc
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Expand Up @@ -17,16 +17,16 @@
"type": "command",
"command": "sh -c 'SESSION=$(jq -r \".session_id\" 2>/dev/null); DIR=\"/tmp/claude-$(id -u)\"; mkdir -p \"$DIR\"; printf \"%s\" \"$(git rev-parse --show-toplevel)\" > \"$DIR/.claude_project_root_${SESSION}\"'",
"timeout": 5,
"statusMessage": "Caching project root...",
"statusMessage": "Caching project root..."
},
{
"type": "command",
"command": "node \"$(git rev-parse --show-toplevel)/.claude/hooks/caveman-activate.js\"",
"timeout": 5,
"statusMessage": "Loading caveman mode...",
},
],
},
"statusMessage": "Loading caveman mode..."
}
]
}
],
"UserPromptSubmit": [
{
Expand All @@ -35,23 +35,10 @@
"type": "command",
"command": "sh -c 'INPUT=$(cat); SESSION=$(printf \"%s\" \"$INPUT\" | jq -r \".session_id\" 2>/dev/null); ROOT=$(cat \"/tmp/claude-$(id -u)/.claude_project_root_${SESSION}\"); printf \"%s\" \"$INPUT\" | PROJECT_ROOT_DIR=\"$ROOT\" node \"$ROOT/.claude/hooks/caveman-mode-tracker.js\"'",
"timeout": 5,
"statusMessage": "Tracking caveman mode...",
},
],
},
],
"PreToolUse": [
{
"matcher": "Bash",
"hooks": [
{
"type": "command",
"command": "sh -c 'INPUT=$(cat); SESSION=$(printf \"%s\" \"$INPUT\" | jq -r \".session_id\" 2>/dev/null); ROOT=$(cat \"/tmp/claude-$(id -u)/.claude_project_root_${SESSION}\"); printf \"%s\" \"$INPUT\" | node \"$ROOT/.claude/hooks/bash-chain-guard.js\"'",
"timeout": 5,
"statusMessage": "Checking for command chaining...",
},
],
},
],
},
"statusMessage": "Tracking caveman mode..."
}
]
}
]
}
}
20 changes: 10 additions & 10 deletions .claude/settings/models.jsonc
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Expand Up @@ -8,14 +8,14 @@
* =====================================================================================================
*/
{
"availableModels": [
"fable",
"sonnet",
"opus",
"haiku",
"claude-opus-5",
"claude-opus-4-8",
"claude-sonnet-5",
"claude-sonnet-4-6"
]
"availableModels": [
"fable",
"sonnet",
"opus",
"haiku",
"claude-opus-5",
"claude-opus-4-8",
"claude-sonnet-5",
"claude-sonnet-4-6"
]
}
4 changes: 2 additions & 2 deletions .claude/settings/permissions/additional-dirs.jsonc
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Expand Up @@ -11,6 +11,6 @@
// Additional directories that Claude Code can access
"$schema": "https://json.schemastore.org/claude-code-settings.json",
"permissions": {
"additionalDirectories": ["/tmp", "/workspaces"],
},
"additionalDirectories": ["/tmp", "/workspaces"]
}
}
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