fix(install): harden Claude settings lifecycle

This commit is contained in:
wellkilo
2026-09-07 01:57:04 +08:00
parent 26d3e0038b
commit f59cfd57c2
19 changed files with 540 additions and 350 deletions
+1 -1
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@@ -562,7 +562,7 @@ and safe uninstall.
If you installed ECC via `/plugin install`, do not copy those hooks into `settings.json`. Claude Code v2.1+ already auto-loads plugin `hooks/hooks.json`, and duplicating them in `settings.json` causes duplicate execution and cross-platform hook conflicts.
On Windows, Claude's config root is `%USERPROFILE%\\.claude`; install the hook runtime with:
On Windows, Claude's config root is `%USERPROFILE%\.claude`; install the hook runtime with:
```powershell
pwsh -File .\install.ps1 --target claude --modules hooks-runtime --enable-hooks
+1 -1
View File
@@ -37,7 +37,7 @@ That installs the hook scripts under `~/.claude/` and registers the resolved
hook entries in `~/.claude/settings.json`. Existing user settings and hook
entries are preserved, while ECC-owned entries are tracked by stable ID for
idempotent updates and safe uninstall. On Windows, the Claude config root is
`%USERPROFILE%\\.claude`.
`%USERPROFILE%\.claude`.
### PreToolUse Hooks
+27 -1
View File
@@ -147,6 +147,24 @@
"type": "string"
}
}
},
"managedMatcherEntry": {
"allOf": [
{ "$ref": "#/$defs/matcherEntry" },
{
"type": "object",
"required": ["id"],
"properties": {
"hooks": { "type": "array", "minItems": 1 }
}
}
]
},
"managedMatcherRequiredEntry": {
"allOf": [
{ "$ref": "#/$defs/managedMatcherEntry" },
{ "type": "object", "required": ["matcher"] }
]
}
},
"oneOf": [
@@ -180,10 +198,18 @@
"SessionEnd"
]
},
"patternProperties": {
"^(SessionStart|PreToolUse|PermissionRequest|PostToolUse|PostToolUseFailure|SubagentStart|PreCompact|InstructionsLoaded|TeammateIdle|TaskCompleted|ConfigChange|WorktreeCreate|WorktreeRemove|SessionEnd)$": {
"type": "array",
"items": {
"$ref": "#/$defs/managedMatcherRequiredEntry"
}
}
},
"additionalProperties": {
"type": "array",
"items": {
"$ref": "#/$defs/matcherEntry"
"$ref": "#/$defs/managedMatcherEntry"
}
}
}
+2 -20
View File
@@ -218,26 +218,8 @@
"type": "object",
"minProperties": 1,
"propertyNames": {
"enum": [
"SessionStart",
"UserPromptSubmit",
"PreToolUse",
"PermissionRequest",
"PostToolUse",
"PostToolUseFailure",
"Notification",
"SubagentStart",
"Stop",
"SubagentStop",
"PreCompact",
"InstructionsLoaded",
"TeammateIdle",
"TaskCompleted",
"ConfigChange",
"WorktreeCreate",
"WorktreeRemove",
"SessionEnd"
]
"type": "string",
"pattern": "\\S"
},
"additionalProperties": {
"type": "array",
+1 -1
View File
@@ -207,7 +207,7 @@ function validateHooks() {
console.error(`ERROR: ${matcherLabel} has invalid 'matcher' field`);
hasErrors = true;
}
if (!matcher.hooks || !Array.isArray(matcher.hooks)) {
if (!matcher.hooks || !Array.isArray(matcher.hooks) || matcher.hooks.length === 0) {
console.error(`ERROR: ${matcherLabel} missing 'hooks' array`);
hasErrors = true;
} else {
+24 -38
View File
@@ -3,6 +3,7 @@ const fs = require('fs');
const { execFileSync } = require('child_process');
const os = require('os');
const path = require('path');
const { isDeepStrictEqual } = require('util');
const { loadInstallManifests } = require('./install-manifests');
const { readInstallState, validateInstallState } = require('./install-state');
@@ -22,6 +23,8 @@ const {
} = require('./install/opencode-legacy-migration');
const {
acquireSettingsLock,
assertClaudeSettingsPath,
getClaudeSettingsPath,
inspectManagedHooks,
materializeManagedHooks,
repairManagedHooks,
@@ -532,22 +535,11 @@ function readJsonNoFollow(filePath) {
return JSON.parse(readFileNoFollow(filePath, 'utf8'));
}
function expectedClaudeSettingsPath(targetRoot) {
return path.join(targetRoot, 'settings.json');
}
function assertClaudeSettingsDestination(operation, trustedRoot, target = null) {
if (target && target !== 'claude' && target !== 'claude-project') {
throw new Error('Refusing to manage Claude hooks for a non-Claude target.');
}
if (path.resolve(operation.destinationPath) !== path.resolve(
expectedClaudeSettingsPath(trustedRoot)
)) {
throw new Error(
`Refusing to manage Claude hooks outside the canonical settings file: `
+ `${operation.destinationPath}`
);
}
assertClaudeSettingsPath(operation.destinationPath, trustedRoot);
}
function writeContainedFile(destinationPath, content, trustedRoot, action, mode) {
@@ -714,7 +706,7 @@ function deepRemoveJsonSubset(currentValue, managedValue) {
return currentValue === managedValue ? JSON_REMOVE_SENTINEL : currentValue;
}
function hydrateRecordedOperations(repoRoot, operations) {
function hydrateRecordedOperations(repoRoot, operations, trustedRoot) {
return operations.map(operation => {
if (operation.kind === 'update-claude-settings') {
const sourcePath = resolveOperationSourcePath(repoRoot, operation);
@@ -729,7 +721,7 @@ function hydrateRecordedOperations(repoRoot, operations) {
previousManagedHooks: operation.managedHooks,
managedHooks: materializeManagedHooks(
readJsonNoFollow(sourcePath),
path.dirname(operation.destinationPath)
trustedRoot
),
};
}
@@ -1357,12 +1349,6 @@ function summarizeManagedOperationHealth(repoRoot, trustedRoot, operations, targ
);
}
function hookRepairOperations(operationHealth) {
return operationHealth.drifted
.filter(entry => entry.operation.kind === 'update-claude-settings')
.map(entry => ({ ...entry.operation }));
}
function getUnsafeManagedDestinationError(operationHealth) {
const hasFinalSymlink = operationHealth.unsafeDestination.some(
inspection => inspection.reason === 'final-symlink'
@@ -1806,7 +1792,11 @@ function createRepairPlanFromRecord(record, context, options = {}) {
record.legacyLayout !== 'opencode'
&& (state.request.legacyMode || shouldRepairFromRecordedOperations(state))
) {
const operations = hydrateRecordedOperations(context.repoRoot, getManagedOperations(state));
const operations = hydrateRecordedOperations(
context.repoRoot,
getManagedOperations(state),
record.targetRoot
);
const statePreview = buildRecordedStatePreview(state, context, operations);
return {
@@ -1951,15 +1941,14 @@ function repairInstalledStates(options = {}) {
let releaseSettingsLock = null;
try {
if (
!options.dryRun
const settingsPathToLock = !options.dryRun
&& getManagedOperations(record.state || {}).some(
operation => operation.kind === 'update-claude-settings'
)
) {
releaseSettingsLock = acquireSettingsLock(
path.join(record.targetRoot, 'settings.json')
);
? getClaudeSettingsPath(record.targetRoot)
: null;
if (settingsPathToLock) {
releaseSettingsLock = acquireSettingsLock(settingsPathToLock);
}
const needsOpencodeBuild = record.adapter.target === 'opencode'
&& hasOpencodeBuildError(getOpencodeBuildValidationIssues(context));
@@ -2107,16 +2096,13 @@ function repairInstalledStates(options = {}) {
const repairOperations = [
...operationHealth.missing.map(entry => ({ ...entry.operation })),
...operationHealth.drifted.map(entry => ({ ...entry.operation })),
...hookRepairOperations({
drifted: desiredPlan.operations
.filter(operation => (
operation.kind === 'update-claude-settings'
&& operation.previousManagedHooks
&& JSON.stringify(operation.previousManagedHooks)
!== JSON.stringify(operation.managedHooks)
))
.map(operation => ({ operation })),
}),
...desiredPlan.operations
.filter(operation => (
operation.kind === 'update-claude-settings'
&& operation.previousManagedHooks
&& !isDeepStrictEqual(operation.previousManagedHooks, operation.managedHooks)
))
.map(operation => ({ ...operation })),
].filter((operation, index, items) => items.findIndex(candidate => (
candidate.kind === operation.kind
&& candidate.destinationPath === operation.destinationPath
@@ -2333,7 +2319,7 @@ function uninstallInstalledStates(options = {}) {
const operations = getManagedOperations(state);
if (operations.some(operation => operation.kind === 'update-claude-settings')) {
releaseSettingsLock = acquireSettingsLock(
path.join(record.targetRoot, 'settings.json')
getClaudeSettingsPath(record.targetRoot)
);
}
+8 -4
View File
@@ -1,6 +1,10 @@
const fs = require('fs');
const path = require('path');
const { validateManagedHooks } = require('./install/claude-settings');
const {
CLAUDE_HOOKS_CONFIG_PATH,
getClaudeSettingsPath,
validateRecordedManagedHooks,
} = require('./install/claude-settings');
// Dependency-free, self-contained validation. The installer closure must not
// require any non-builtin package (enterprise supply-chain vetting: the vetted
@@ -217,14 +221,14 @@ function createFallbackValidator() {
if (operation.moduleId !== 'hooks-runtime') {
pushError(`${instancePath}/moduleId`, 'must equal hooks-runtime');
}
if (String(operation.sourceRelativePath).replace(/\\/g, '/') !== 'hooks/hooks.json') {
if (String(operation.sourceRelativePath).replace(/\\/g, '/') !== CLAUDE_HOOKS_CONFIG_PATH) {
pushError(`${instancePath}/sourceRelativePath`, 'must equal hooks/hooks.json');
}
if (
isNonEmptyString(state.target && state.target.root)
&& isNonEmptyString(operation.destinationPath)
) {
const expectedDestination = path.resolve(state.target.root, 'settings.json');
const expectedDestination = path.resolve(getClaudeSettingsPath(state.target.root));
const actualDestination = path.resolve(operation.destinationPath);
const pathsMatch = process.platform === 'win32'
? expectedDestination.toLowerCase() === actualDestination.toLowerCase()
@@ -237,7 +241,7 @@ function createFallbackValidator() {
}
}
try {
validateManagedHooks(operation.managedHooks);
validateRecordedManagedHooks(operation.managedHooks);
} catch (error) {
pushError(`${instancePath}/managedHooks`, error.message);
}
+1 -34
View File
@@ -1,4 +1,3 @@
const fs = require('fs');
const path = require('path');
const {
@@ -6,42 +5,10 @@ const {
createRemappedOperation,
isForeignPlatformPath,
normalizeRelativePath,
planClaudeHooksOperations,
} = require('./helpers');
const CLAUDE_ECC_NAMESPACE = 'ecc';
const CLAUDE_HOOKS_CONFIG_PATH = 'hooks/hooks.json';
function planClaudeHooksOperations(adapter, module, input) {
const sourceHooksRoot = path.join(input.repoRoot || '', 'hooks');
const operations = [
createRemappedOperation(
adapter,
module.id,
CLAUDE_HOOKS_CONFIG_PATH,
path.join(adapter.resolveRoot(input), 'settings.json'),
{
kind: 'update-claude-settings',
strategy: 'merge-hook-ids',
}
),
];
if (!input.repoRoot || !fs.existsSync(sourceHooksRoot)) {
return operations;
}
return [
...operations,
...fs.readdirSync(sourceHooksRoot, { withFileTypes: true })
.filter(entry => entry.name !== 'hooks.json')
.sort((left, right) => left.name.localeCompare(right.name))
.map(entry => adapter.createScaffoldOperation(
module.id,
path.join('hooks', entry.name),
input
)),
];
}
function getClaudeManagedDestinationPath(adapter, sourceRelativePath, input) {
const normalizedSourcePath = normalizeRelativePath(sourceRelativePath);
+1 -34
View File
@@ -1,4 +1,3 @@
const fs = require('fs');
const path = require('path');
const {
@@ -6,42 +5,10 @@ const {
createRemappedOperation,
isForeignPlatformPath,
normalizeRelativePath,
planClaudeHooksOperations,
} = require('./helpers');
const CLAUDE_ECC_NAMESPACE = 'ecc';
const CLAUDE_HOOKS_CONFIG_PATH = 'hooks/hooks.json';
function planClaudeHooksOperations(adapter, module, input) {
const sourceHooksRoot = path.join(input.repoRoot || '', 'hooks');
const operations = [
createRemappedOperation(
adapter,
module.id,
CLAUDE_HOOKS_CONFIG_PATH,
path.join(adapter.resolveRoot(input), 'settings.json'),
{
kind: 'update-claude-settings',
strategy: 'merge-hook-ids',
}
),
];
if (!input.repoRoot || !fs.existsSync(sourceHooksRoot)) {
return operations;
}
return [
...operations,
...fs.readdirSync(sourceHooksRoot, { withFileTypes: true })
.filter(entry => entry.name !== 'hooks.json')
.sort((left, right) => left.name.localeCompare(right.name))
.map(entry => adapter.createScaffoldOperation(
module.id,
path.join('hooks', entry.name),
input
)),
];
}
function getClaudeManagedDestinationPath(adapter, sourceRelativePath, input) {
const normalizedSourcePath = normalizeRelativePath(sourceRelativePath);
+41
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@@ -1,6 +1,10 @@
const fs = require('fs');
const os = require('os');
const path = require('path');
const {
CLAUDE_HOOKS_CONFIG_PATH,
getClaudeSettingsPath,
} = require('../install/claude-settings');
const PLATFORM_SOURCE_PATH_OWNERS = Object.freeze({
'.claude-plugin': 'claude',
@@ -146,6 +150,42 @@ function createRemappedOperation(adapter, moduleId, sourceRelativePath, destinat
});
}
function planClaudeHooksOperations(adapter, module, input) {
const operations = [
createRemappedOperation(
adapter,
module.id,
CLAUDE_HOOKS_CONFIG_PATH,
getClaudeSettingsPath(adapter.resolveRoot(input)),
{
kind: 'update-claude-settings',
strategy: 'merge-hook-ids',
}
),
];
if (!input.repoRoot) {
return operations;
}
const sourceHooksRoot = path.join(input.repoRoot, 'hooks');
if (!fs.existsSync(sourceHooksRoot)) {
return operations;
}
return [
...operations,
...fs.readdirSync(sourceHooksRoot, { withFileTypes: true })
.filter(entry => entry.name !== 'hooks.json')
.sort((left, right) => left.name.localeCompare(right.name))
.map(entry => adapter.createScaffoldOperation(
module.id,
path.join('hooks', entry.name),
input
)),
];
}
function createNamespacedFlatRuleOperations(adapter, moduleId, sourceRelativePath, input = {}) {
const normalizedSourcePath = normalizeRelativePath(sourceRelativePath);
const sourceRoot = path.join(input.repoRoot || '', normalizedSourcePath);
@@ -373,4 +413,5 @@ module.exports = {
createRemappedOperation,
isForeignPlatformPath,
normalizeRelativePath,
planClaudeHooksOperations,
};
+13 -13
View File
@@ -11,12 +11,14 @@ const {
const { readInstallState, writeInstallState } = require('../install-state');
const { assertHookConsentReady, planMaterializesHookRuntime } = require('./hook-consent');
const {
acquireSettingsLock,
getClaudeSettingsPath,
mergeManagedHooks,
readSettings,
runWithSettingsLock,
uninstallManagedHooks,
updateSettingsAtomic,
validateManagedHooks,
validateRecordedManagedHooks,
} = require('./claude-settings');
const { filterMcpConfig, parseDisabledMcpServers } = require('../mcp-config');
const { assertWithinTrustedRoot } = require('../path-safety');
@@ -293,13 +295,13 @@ function findPreviousManagedHooks(previousState, plan, operation) {
const previousOperation = (previousState.operations || []).find(candidate => (
candidate.kind === operation.kind
&& candidate.destinationPath === operation.destinationPath
&& comparablePath(candidate.destinationPath) === comparablePath(operation.destinationPath)
));
if (!previousOperation || !previousOperation.managedHooks) {
return null;
}
return validateManagedHooks(
return validateRecordedManagedHooks(
previousOperation.managedHooks,
'previous managed hooks'
);
@@ -421,19 +423,17 @@ function applyInstallPlan(plan, dependencies = {}) {
const isClaudeManualTarget = plan.adapter
&& (plan.adapter.target === 'claude' || plan.adapter.target === 'claude-project');
const settingsPathToLock = isClaudeManualTarget
? path.join(plan.targetRoot, 'settings.json')
? getClaudeSettingsPath(plan.targetRoot)
: null;
if (settingsPathToLock) {
assertSafeInstallOperation(plan, { destinationPath: settingsPathToLock });
}
const releaseSettingsLock = settingsPathToLock
? acquireSettingsLock(settingsPathToLock)
: null;
try {
return applyInstallPlanLocked(plan, dependencies, Boolean(releaseSettingsLock));
} finally {
if (releaseSettingsLock) releaseSettingsLock();
}
return settingsPathToLock
? runWithSettingsLock(
settingsPathToLock,
() => applyInstallPlanLocked(plan, dependencies, true)
)
: applyInstallPlanLocked(plan, dependencies, false);
}
function applyInstallPlanLocked(plan, dependencies = {}, settingsLockHeld = false) {
@@ -581,7 +581,7 @@ function applyInstallPlanLocked(plan, dependencies = {}, settingsLockHeld = fals
if (shouldSetClaudeCommitAttributionPreference(appliedPlan)) {
writeClaudeCommitAttributionPreference(
path.join(plan.targetRoot, 'settings.json'),
getClaudeSettingsPath(plan.targetRoot),
{ lockHeld: settingsLockHeld }
);
}
+170
View File
@@ -0,0 +1,170 @@
'use strict';
const crypto = require('crypto');
const fs = require('fs');
const path = require('path');
const INVALID_LOCK_STALE_MS = 5 * 60 * 1000;
function sameFileIdentity(left, right) {
return left.dev === right.dev && left.ino === right.ino;
}
function createSettingsLock(lockPath) {
const tempPath = `${lockPath}.create-${process.pid}-${crypto.randomBytes(8).toString('hex')}`;
let descriptor;
let ownedStats;
try {
descriptor = fs.openSync(tempPath, 'wx', 0o600);
fs.writeFileSync(descriptor, `${JSON.stringify({
pid: process.pid,
startedAt: new Date().toISOString(),
token: crypto.randomBytes(16).toString('hex'),
})}\n`);
fs.fsyncSync(descriptor);
ownedStats = fs.fstatSync(descriptor, { bigint: true });
fs.closeSync(descriptor);
descriptor = undefined;
fs.linkSync(tempPath, lockPath);
} catch (error) {
if (descriptor !== undefined) fs.closeSync(descriptor);
fs.rmSync(tempPath, { force: true });
throw error;
}
fs.rmSync(tempPath, { force: true });
let released = false;
return () => {
if (released) return;
const quarantinePath = `${lockPath}.release-${process.pid}-${crypto.randomBytes(8).toString('hex')}`;
fs.renameSync(lockPath, quarantinePath);
const quarantinedStats = fs.lstatSync(quarantinePath, { bigint: true });
if (!sameFileIdentity(quarantinedStats, ownedStats)) {
if (!fs.existsSync(lockPath)) fs.renameSync(quarantinePath, lockPath);
throw new Error(`Refusing to release a changed Claude settings lock: ${lockPath}`);
}
released = true;
fs.rmSync(quarantinePath, { force: true });
};
}
function inspectSettingsLock(lockPath) {
const descriptor = fs.openSync(lockPath, fs.constants.O_RDONLY | (fs.constants.O_NOFOLLOW || 0));
try {
const stats = fs.fstatSync(descriptor, { bigint: true });
const pathStats = fs.lstatSync(lockPath, { bigint: true });
if (
!stats.isFile()
|| pathStats.isSymbolicLink()
|| !pathStats.isFile()
|| !sameFileIdentity(stats, pathStats)
) {
return { metadata: null, stats };
}
let metadata = null;
try {
metadata = JSON.parse(fs.readFileSync(descriptor, 'utf8'));
} catch (_error) {
// Invalid locks may be recovered only after the bounded lease below.
}
return { metadata, stats };
} finally {
fs.closeSync(descriptor);
}
}
function processIsAlive(pid) {
try {
process.kill(pid, 0);
return true;
} catch (error) {
return error.code !== 'ESRCH';
}
}
function recoverSettingsLock(lockPath) {
const recoveryPath = `${lockPath}.recover`;
try {
fs.mkdirSync(recoveryPath, { mode: 0o700 });
} catch (error) {
if (error && error.code === 'EEXIST') return null;
throw error;
}
const quarantinePath = `${lockPath}.stale-${process.pid}-${crypto.randomBytes(8).toString('hex')}`;
try {
let inspected;
try {
inspected = inspectSettingsLock(lockPath);
} catch (error) {
if (error && error.code === 'ENOENT') return createSettingsLock(lockPath);
throw error;
}
const validOwner = Number.isSafeInteger(inspected.metadata && inspected.metadata.pid)
&& inspected.metadata.pid > 0;
const stale = validOwner
? !processIsAlive(inspected.metadata.pid)
: Date.now() - Number(inspected.stats.mtimeMs) >= INVALID_LOCK_STALE_MS;
if (!stale) return null;
fs.renameSync(lockPath, quarantinePath);
const quarantinedStats = fs.lstatSync(quarantinePath, { bigint: true });
if (!sameFileIdentity(quarantinedStats, inspected.stats)) {
if (!fs.existsSync(lockPath)) fs.renameSync(quarantinePath, lockPath);
return null;
}
fs.rmSync(quarantinePath, { force: true });
return createSettingsLock(lockPath);
} finally {
fs.rmSync(recoveryPath, { recursive: true, force: true });
fs.rmSync(quarantinePath, { force: true });
}
}
function acquireSettingsLock(settingsPath) {
const lockPath = `${settingsPath}.ecc.lock`;
fs.mkdirSync(path.dirname(settingsPath), { recursive: true });
try {
return createSettingsLock(lockPath);
} catch (error) {
if (!error || error.code !== 'EEXIST') {
throw error;
}
}
const recovered = recoverSettingsLock(lockPath);
if (recovered) return recovered;
throw new Error(
`Another ECC process is updating Claude settings: ${settingsPath}. `
+ `If no ECC process is active, inspect and remove ${lockPath}.`
);
}
function runWithSettingsLock(settingsPath, callback) {
const releaseLock = acquireSettingsLock(settingsPath);
let primaryError = null;
let result;
try {
result = callback();
} catch (error) {
primaryError = error;
}
let releaseError = null;
try {
releaseLock();
} catch (error) {
releaseError = error;
}
if (primaryError) {
if (releaseError) primaryError.releaseError = releaseError;
throw primaryError;
}
if (releaseError) throw releaseError;
return result;
}
module.exports = {
acquireSettingsLock,
runWithSettingsLock,
};
+68 -146
View File
@@ -1,12 +1,16 @@
'use strict';
const crypto = require('crypto');
const fs = require('fs');
const path = require('path');
const { isDeepStrictEqual } = require('util');
const { writeFileAtomic } = require('../atomic-write');
const { acquireSettingsLock, runWithSettingsLock } = require('./claude-settings-lock');
const CLAUDE_SETTINGS_FILENAME = 'settings.json';
const CLAUDE_HOOKS_CONFIG_PATH = 'hooks/hooks.json';
const PLUGIN_ROOT_PLACEHOLDER = '${CLAUDE_PLUGIN_ROOT}';
const PLUGIN_ROOT_ENV_PROLOGUE = 'var e=process.env.CLAUDE_PLUGIN_ROOT;';
const PLUGIN_ROOT_ENV_READ = /\bprocess\.env\.CLAUDE_PLUGIN_ROOT\b(?!\s*=)/;
const VALID_EVENTS = new Set([
'SessionStart', 'UserPromptSubmit', 'PreToolUse', 'PermissionRequest',
'PostToolUse', 'PostToolUseFailure', 'Notification', 'SubagentStart',
@@ -18,7 +22,6 @@ const EVENTS_WITHOUT_MATCHER = new Set([
'UserPromptSubmit', 'Notification', 'Stop', 'SubagentStop',
]);
const VALID_HOOK_TYPES = new Set(['command', 'http', 'prompt', 'agent']);
const INVALID_LOCK_STALE_MS = 5 * 60 * 1000;
function isJsonObject(value) {
if (!value || typeof value !== 'object' || Array.isArray(value)) {
@@ -44,6 +47,23 @@ function isNonEmptyString(value) {
return typeof value === 'string' && value.trim() !== '';
}
function getClaudeSettingsPath(targetRoot) {
return path.join(targetRoot, CLAUDE_SETTINGS_FILENAME);
}
function assertClaudeSettingsPath(destinationPath, trustedRoot) {
const resolvedDestination = path.resolve(destinationPath);
const resolvedExpected = path.resolve(getClaudeSettingsPath(trustedRoot));
const pathsMatch = process.platform === 'win32'
? resolvedDestination.toLowerCase() === resolvedExpected.toLowerCase()
: resolvedDestination === resolvedExpected;
if (!pathsMatch) {
throw new Error(
`Refusing to manage Claude hooks outside the canonical settings file: ${destinationPath}`
);
}
}
function validateHookHandler(hook, label) {
if (!isJsonObject(hook)) {
throw new Error(`Invalid managed hook handler at ${label}: expected a JSON object`);
@@ -167,6 +187,30 @@ function validateManagedHooks(managedHooks, label = 'managed hooks') {
return cloneValue(managedHooks);
}
function validateRecordedManagedHooks(managedHooks, label = 'recorded managed hooks') {
if (!isJsonObject(managedHooks) || Object.keys(managedHooks).length === 0) {
throw new Error(`Invalid ${label}: expected a non-empty JSON object`);
}
for (const [event, entries] of Object.entries(managedHooks)) {
if (!isNonEmptyString(event) || !Array.isArray(entries) || entries.length === 0) {
throw new Error(`Invalid ${label}.${event}: expected a non-empty hook array`);
}
const seenIds = new Set();
entries.forEach((entry, index) => {
if (!isJsonObject(entry) || !isNonEmptyString(entry.id) || !Array.isArray(entry.hooks)) {
throw new Error(`Invalid hook entry at ${label}.${event}[${index}]`);
}
if (seenIds.has(entry.id)) {
throw new Error(
`Invalid ${label}: expected unique id "${entry.id}" within event "${event}"`
);
}
seenIds.add(entry.id);
});
}
return cloneValue(managedHooks);
}
function validateSettings(settings, label = 'Claude settings') {
if (!isJsonObject(settings)) {
throw new Error(`Invalid ${label}: expected a JSON object`);
@@ -210,6 +254,18 @@ function replacePluginRootPlaceholders(value, pluginRoot) {
function resolveManagedHookCommands(managedHooks, targetRoot) {
const encodedRoot = Buffer.from(targetRoot, 'utf8').toString('base64');
const rootExpression = `Buffer.from('${encodedRoot}','base64').toString('utf8')`;
const resolveCommand = command => {
const resolved = command
.split(PLUGIN_ROOT_ENV_PROLOGUE)
.join(`var e=${rootExpression};`);
if (PLUGIN_ROOT_ENV_READ.test(resolved)) {
throw new Error(
'Unable to resolve CLAUDE_PLUGIN_ROOT in a managed hook command; '
+ 'the hooks.json command prologue no longer matches the expected form'
);
}
return resolved;
};
return Object.fromEntries(
Object.entries(managedHooks).map(([event, entries]) => [
event,
@@ -219,9 +275,7 @@ function resolveManagedHookCommands(managedHooks, targetRoot) {
...hook,
...(typeof hook.command === 'string'
? {
command: hook.command
.split('var e=process.env.CLAUDE_PLUGIN_ROOT;')
.join(`var e=${rootExpression};`),
command: resolveCommand(hook.command),
}
: {}),
})),
@@ -333,139 +387,6 @@ function assertSettingsSnapshotUnchanged(settingsPath, snapshot) {
}
}
function createSettingsLock(lockPath) {
const tempPath = `${lockPath}.create-${process.pid}-${crypto.randomBytes(8).toString('hex')}`;
let descriptor;
let ownedStats;
try {
descriptor = fs.openSync(tempPath, 'wx', 0o600);
fs.writeFileSync(descriptor, `${JSON.stringify({
pid: process.pid,
startedAt: new Date().toISOString(),
token: crypto.randomBytes(16).toString('hex'),
})}\n`);
fs.fsyncSync(descriptor);
ownedStats = fs.fstatSync(descriptor, { bigint: true });
fs.closeSync(descriptor);
descriptor = undefined;
fs.linkSync(tempPath, lockPath);
} catch (error) {
if (descriptor !== undefined) fs.closeSync(descriptor);
fs.rmSync(tempPath, { force: true });
throw error;
}
fs.rmSync(tempPath, { force: true });
let released = false;
return () => {
if (released) return;
released = true;
const quarantinePath = `${lockPath}.release-${process.pid}-${crypto.randomBytes(8).toString('hex')}`;
fs.renameSync(lockPath, quarantinePath);
const quarantinedStats = fs.lstatSync(quarantinePath, { bigint: true });
if (!sameFileIdentity(quarantinedStats, ownedStats)) {
if (!fs.existsSync(lockPath)) fs.renameSync(quarantinePath, lockPath);
throw new Error(`Refusing to release a changed Claude settings lock: ${lockPath}`);
}
fs.rmSync(quarantinePath, { force: true });
};
}
function sameFileIdentity(left, right) {
return left.dev === right.dev && left.ino === right.ino;
}
function inspectSettingsLock(lockPath) {
const descriptor = fs.openSync(lockPath, fs.constants.O_RDONLY | (fs.constants.O_NOFOLLOW || 0));
try {
const stats = fs.fstatSync(descriptor, { bigint: true });
const pathStats = fs.lstatSync(lockPath, { bigint: true });
if (
!stats.isFile()
|| pathStats.isSymbolicLink()
|| !pathStats.isFile()
|| !sameFileIdentity(stats, pathStats)
) {
return { metadata: null, stats };
}
let metadata = null;
try {
metadata = JSON.parse(fs.readFileSync(descriptor, 'utf8'));
} catch (_error) {
// Invalid locks may be recovered only after the bounded lease below.
}
return { metadata, stats };
} finally {
fs.closeSync(descriptor);
}
}
function processIsAlive(pid) {
try {
process.kill(pid, 0);
return true;
} catch (error) {
return error.code !== 'ESRCH';
}
}
function recoverSettingsLock(lockPath) {
const recoveryPath = `${lockPath}.recover`;
try {
fs.mkdirSync(recoveryPath, { mode: 0o700 });
} catch (error) {
if (error && error.code === 'EEXIST') return null;
throw error;
}
const quarantinePath = `${lockPath}.stale-${process.pid}-${crypto.randomBytes(8).toString('hex')}`;
try {
let inspected;
try {
inspected = inspectSettingsLock(lockPath);
} catch (error) {
if (error && error.code === 'ENOENT') return createSettingsLock(lockPath);
throw error;
}
const validOwner = Number.isSafeInteger(inspected.metadata && inspected.metadata.pid)
&& inspected.metadata.pid > 0;
const stale = validOwner
? !processIsAlive(inspected.metadata.pid)
: Date.now() - Number(inspected.stats.mtimeMs) >= INVALID_LOCK_STALE_MS;
if (!stale) return null;
fs.renameSync(lockPath, quarantinePath);
const quarantinedStats = fs.lstatSync(quarantinePath, { bigint: true });
if (!sameFileIdentity(quarantinedStats, inspected.stats)) {
if (!fs.existsSync(lockPath)) fs.renameSync(quarantinePath, lockPath);
return null;
}
fs.rmSync(quarantinePath, { force: true });
return createSettingsLock(lockPath);
} finally {
fs.rmSync(recoveryPath, { recursive: true, force: true });
fs.rmSync(quarantinePath, { force: true });
}
}
function acquireSettingsLock(settingsPath) {
const lockPath = `${settingsPath}.ecc.lock`;
fs.mkdirSync(path.dirname(settingsPath), { recursive: true });
try {
return createSettingsLock(lockPath);
} catch (error) {
if (!error || error.code !== 'EEXIST') {
throw error;
}
}
const recovered = recoverSettingsLock(lockPath);
if (recovered) return recovered;
throw new Error(
`Another ECC process is updating Claude settings: ${settingsPath}. `
+ `If no ECC process is active, inspect and remove ${lockPath}.`
);
}
function updateSettingsAtomic(settingsPath, transform, options = {}) {
const update = () => {
const maxAttempts = options.maxAttempts || 3;
@@ -492,12 +413,7 @@ function updateSettingsAtomic(settingsPath, transform, options = {}) {
if (options.lockHeld) {
return update();
}
const releaseLock = acquireSettingsLock(settingsPath);
try {
return update();
} finally {
releaseLock();
}
return runWithSettingsLock(settingsPath, update);
}
function reference(event, id) {
@@ -534,7 +450,7 @@ function mergeManagedHooks(settings, managedHooks, options = {}) {
const previousHooks = options.previousManagedHooks === undefined
|| options.previousManagedHooks === null
? null
: validateManagedHooks(options.previousManagedHooks, 'previous managed hooks');
: validateRecordedManagedHooks(options.previousManagedHooks, 'previous managed hooks');
const repair = options.mode === 'repair' || options.repair === true;
if (options.mode !== undefined && options.mode !== 'merge' && options.mode !== 'repair') {
throw new Error(`Unknown Claude settings merge mode: ${options.mode}`);
@@ -677,7 +593,7 @@ function withoutProperty(object, omittedKey) {
function uninstallManagedHooks(settings, recordedManagedHooks) {
const validatedSettings = validateSettings(settings);
const recordedHooks = validateManagedHooks(recordedManagedHooks, 'recorded managed hooks');
const recordedHooks = validateRecordedManagedHooks(recordedManagedHooks);
const currentHooks = validatedSettings.hooks || {};
for (const [event, recordedEntries] of Object.entries(recordedHooks)) {
@@ -735,7 +651,11 @@ function uninstallManagedHooks(settings, recordedManagedHooks) {
}
module.exports = {
CLAUDE_HOOKS_CONFIG_PATH,
CLAUDE_SETTINGS_FILENAME,
acquireSettingsLock,
assertClaudeSettingsPath,
getClaudeSettingsPath,
inspectManagedHooks,
materializeManagedHooks,
mergeManagedHooks,
@@ -743,8 +663,10 @@ module.exports = {
readSettings,
repairManagedHooks,
replacePluginRootPlaceholders,
runWithSettingsLock,
updateSettingsAtomic,
uninstallManagedHooks,
validateManagedHooks,
validateRecordedManagedHooks,
validateSettings,
};
+31
View File
@@ -2694,6 +2694,37 @@ function runTests() {
cleanupTestDir(testDir);
})) passed++; else failed++;
if (test('rejects wrapped matcher entry missing a required matcher', () => {
const testDir = createTestDir();
const hooksFile = path.join(testDir, 'hooks.json');
fs.writeFileSync(hooksFile, JSON.stringify({
hooks: {
SessionStart: [{
id: 'test:missing-matcher',
hooks: [{ type: 'command', command: 'echo start' }]
}]
}
}));
const result = runValidatorWithDir('validate-hooks', 'HOOKS_FILE', hooksFile);
assert.strictEqual(result.code, 1);
assert.ok(result.stderr.includes('matcher'), result.stderr);
cleanupTestDir(testDir);
})) passed++; else failed++;
if (test('rejects wrapped matcher entry with an empty handlers array', () => {
const testDir = createTestDir();
const hooksFile = path.join(testDir, 'hooks.json');
fs.writeFileSync(hooksFile, JSON.stringify({
hooks: { Stop: [{ id: 'test:empty-handlers', hooks: [] }] }
}));
const result = runValidatorWithDir('validate-hooks', 'HOOKS_FILE', hooksFile);
assert.strictEqual(result.code, 1);
assert.ok(result.stderr.includes('hooks'), result.stderr);
cleanupTestDir(testDir);
})) passed++; else failed++;
if (test('rejects wrapped matcher entry with whitespace-only id', () => {
const testDir = createTestDir();
const hooksFile = path.join(testDir, 'hooks.json');
+118 -4
View File
@@ -10,6 +10,8 @@ const os = require('os');
const path = require('path');
const {
runWithSettingsLock,
materializeManagedHooks,
inspectManagedHooks,
mergeManagedHooks,
parseSettings,
@@ -78,15 +80,49 @@ function runTests() {
{ BogusEvent: [entry('bad:event', 'bad')] },
{ SessionStart: [{ id: 'missing:hooks', matcher: '.*' }] },
{ SessionStart: [{ id: 'bad:command', matcher: '.*', hooks: [{ type: 'command' }] }] },
{
SessionStart: [{ id: 'shared' }],
Stop: [{ id: 'shared' }],
},
];
for (const invalid of invalidValues) {
assert.throws(() => validateManagedHooks(invalid), /managed hooks|hook entry|unique id/i);
}
assert.throws(
() => validateManagedHooks({
Stop: [entry('shared', 'a')],
SubagentStop: [entry('shared', 'b')],
}),
/expected globally unique id "shared"/
);
})) passed++; else failed++;
if (test('materializes hook roots and rejects unresolved environment references', () => {
const source = {
hooks: {
Stop: [entry(
'ecc:stop',
'var e=process.env.CLAUDE_PLUGIN_ROOT; '
+ 'process.env.CLAUDE_PLUGIN_ROOT=r; ${CLAUDE_PLUGIN_ROOT}'
)],
},
};
const before = clone(source);
const materialized = materializeManagedHooks(source, '/opt/ecc');
const command = materialized.Stop[0].hooks[0].command;
const encodedRoot = command.match(/Buffer\.from\('([^']+)','base64'\)/)[1];
assert.deepStrictEqual(source, before);
assert.ok(!command.includes('var e=process.env.CLAUDE_PLUGIN_ROOT;'));
assert.ok(!command.includes('${CLAUDE_PLUGIN_ROOT}'));
assert.strictEqual(Buffer.from(encodedRoot, 'base64').toString('utf8'), '/opt/ecc');
assert.throws(() => materializeManagedHooks({}, '/opt/ecc'), /hooks object/);
assert.throws(() => materializeManagedHooks(source, ''), /target root/);
assert.throws(
() => materializeManagedHooks({
hooks: {
Stop: [entry('ecc:stop', 'node -e "const e=process.env.CLAUDE_PLUGIN_ROOT"')],
},
}, '/opt/ecc'),
/Unable to resolve CLAUDE_PLUGIN_ROOT/
);
})) passed++; else failed++;
if (test('replaces every plugin-root placeholder recursively and immutably', () => {
@@ -234,6 +270,71 @@ function runTests() {
}
})) passed++; else failed++;
if (test('atomic settings updates honor an already-held lock', () => {
const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'claude-settings-lock-held-'));
const settingsPath = path.join(tempDir, 'settings.json');
const lockPath = `${settingsPath}.ecc.lock`;
try {
fs.writeFileSync(lockPath, JSON.stringify({ pid: process.pid }), { mode: 0o600 });
updateSettingsAtomic(
settingsPath,
settings => ({ settings: { ...settings, held: true } }),
{ lockHeld: true }
);
assert.deepStrictEqual(JSON.parse(fs.readFileSync(settingsPath, 'utf8')), { held: true });
assert.ok(fs.existsSync(lockPath));
} finally {
fs.rmSync(tempDir, { recursive: true, force: true });
}
})) passed++; else failed++;
if (test('settings lock release failures do not replace the primary update error', () => {
const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'claude-settings-release-error-'));
const settingsPath = path.join(tempDir, 'settings.json');
const lockPath = `${settingsPath}.ecc.lock`;
try {
let caught;
try {
runWithSettingsLock(settingsPath, () => {
fs.rmSync(lockPath, { force: true });
throw new Error('primary settings failure');
});
} catch (error) {
caught = error;
}
assert.ok(caught);
assert.strictEqual(caught.message, 'primary settings failure');
assert.ok(caught.releaseError);
assert.strictEqual(caught.releaseError.code, 'ENOENT');
} finally {
fs.rmSync(tempDir, { recursive: true, force: true });
}
})) passed++; else failed++;
if (test('atomic settings updates refuse a symlinked destination', () => {
if (process.platform === 'win32') {
console.log(' (file symlink support is environment-dependent on Windows; skipping)');
return;
}
const tempDir = fs.mkdtempSync(path.join(os.tmpdir(), 'claude-settings-symlink-'));
const realPath = path.join(tempDir, 'real.json');
const settingsPath = path.join(tempDir, 'settings.json');
try {
fs.writeFileSync(realPath, '{"theme":"dark"}\n', { mode: 0o600 });
fs.symlinkSync(realPath, settingsPath);
assert.throws(
() => updateSettingsAtomic(
settingsPath,
settings => ({ settings: { ...settings, managed: true } })
),
error => error.code === 'ELOOP' || error.code === 'ECC_SETTINGS_CHANGED'
);
assert.deepStrictEqual(JSON.parse(fs.readFileSync(realPath, 'utf8')), { theme: 'dark' });
} finally {
fs.rmSync(tempDir, { recursive: true, force: true });
}
})) passed++; else failed++;
if (test('fresh merge appends managed entries while preserving unrelated settings and hooks', () => {
const userEntry = { matcher: 'Bash', hooks: [{ type: 'command', command: 'user-hook' }] };
const settings = {
@@ -540,6 +641,19 @@ function runTests() {
assert.deepStrictEqual(result.retained, []);
})) passed++; else failed++;
if (test('uninstall accepts structurally valid hooks from an older runtime contract', () => {
const recorded = {
LegacyEvent: [{
id: 'ecc:legacy',
hooks: [{ type: 'legacy-handler', payload: { version: 1 } }],
}],
};
const result = uninstallManagedHooks({ hooks: clone(recorded) }, recorded);
assert.deepStrictEqual(result.settings, {});
assert.deepStrictEqual(result.removed, [{ event: 'LegacyEvent', id: 'ecc:legacy' }]);
})) passed++; else failed++;
if (test('all settings transforms reject non-array hook events before changing data', () => {
const settings = { hooks: { Stop: 'invalid' } };
const managed = { Stop: [entry('ecc:stop', 'expected')] };
+2 -16
View File
@@ -182,14 +182,7 @@ function runTests() {
target: 'claude',
moduleIds: ['hooks-runtime'],
});
const plan = {
...rawPlan,
hookConsent: 'enabled',
statePreview: {
...rawPlan.statePreview,
request: { ...rawPlan.statePreview.request, hookConsent: 'enabled' },
},
};
const plan = withHookConsent(rawPlan, 'enabled');
const settingsPath = path.join(homeDir, '.claude', 'settings.json');
applyInstallPlanDirect(plan, {
@@ -584,14 +577,7 @@ function runTests() {
target: 'claude',
moduleIds: ['hooks-runtime'],
});
const plan = {
...rawPlan,
hookConsent: 'enabled',
statePreview: {
...rawPlan.statePreview,
request: { ...rawPlan.statePreview.request, hookConsent: 'enabled' },
},
};
const plan = withHookConsent(rawPlan, 'enabled');
const settingsPath = path.join(homeDir, '.claude', 'settings.json');
let settingsCommitCount = 0;
fs.renameSync = function failAttributionCommit(sourcePath, destinationPath) {
+11 -13
View File
@@ -23,7 +23,10 @@ const {
readInstallState,
writeInstallState,
} = require('../../scripts/lib/install-state');
const { materializeManagedHooks } = require('../../scripts/lib/install/claude-settings');
const {
assertClaudeSettingsPath,
materializeManagedHooks,
} = require('../../scripts/lib/install/claude-settings');
const REPO_ROOT = path.join(__dirname, '..', '..');
const CURRENT_PACKAGE_VERSION = JSON.parse(
@@ -3479,7 +3482,10 @@ function runTests() {
})) passed++; else failed++;
if (test('repair creates missing Claude settings with private permissions', () => {
if (process.platform === 'win32') return;
if (process.platform === 'win32') {
console.log(' (POSIX file modes unsupported on this platform; skipping)');
return;
}
const homeDir = createTempDir('install-lifecycle-claude-home-');
const projectRoot = createTempDir('install-lifecycle-project-');
@@ -3710,7 +3716,6 @@ function runTests() {
assert.strictEqual(doctor.results[0].status, 'error');
assert.ok(doctor.results[0].issues.some(issue => (
issue.code === 'unsafe-managed-destination'
|| issue.code === 'invalid-install-state'
)));
assert.strictEqual(repair.results[0].status, 'error');
assert.match(repair.results[0].error, /final symlink/);
@@ -3726,24 +3731,17 @@ function runTests() {
}
})) passed++; else failed++;
if (test('Claude settings lifecycle refuses a non-canonical settings destination', () => {
if (test('Claude settings path validation refuses a non-canonical destination', () => {
const homeDir = createTempDir('install-lifecycle-claude-home-');
const projectRoot = createTempDir('install-lifecycle-project-');
try {
const targetRoot = path.join(homeDir, '.claude');
const destinationPath = path.join(targetRoot, 'settings.local.json');
const managedHooks = currentManagedHooks(targetRoot);
fs.mkdirSync(targetRoot, { recursive: true });
assert.throws(
() => writeClaudeState(homeDir, {
operations: [
managedOperation('update-claude-settings', destinationPath, {
managedHooks,
}),
],
}),
/canonical Claude settings path/
() => assertClaudeSettingsPath(destinationPath, targetRoot),
/outside the canonical settings file/
);
assert.ok(!fs.existsSync(destinationPath));
} finally {
+11 -21
View File
@@ -169,28 +169,18 @@ function runTests() {
},
}],
}),
/managedHooks.*non-empty unique id/
);
assert.throws(
() => createInstallState({
...baseOptions,
operations: [{
...operation,
managedHooks: {
SessionStart: [{
id: 'duplicate',
matcher: '.*',
hooks: [{ type: 'command', command: 'node start.js' }],
}],
Stop: [{
id: 'duplicate',
hooks: [{ type: 'command', command: 'node stop.js' }],
}],
},
}],
}),
/managedHooks.*globally unique id/
/managedHooks.*Invalid hook entry/
);
assert.doesNotThrow(() => createInstallState({
...baseOptions,
operations: [{
...operation,
managedHooks: {
SessionStart: [{ id: 'shared', hooks: [] }],
LegacyEvent: [{ id: 'shared', hooks: [{ type: 'legacy' }] }],
},
}],
}));
})) passed++; else failed++;
if (test('writes and reads install-state from disk', () => {
@@ -8,6 +8,12 @@ const path = require('path');
const README = path.join(__dirname, '..', '..', 'README.md');
const HOOKS_README = path.join(__dirname, '..', '..', 'hooks', 'README.md');
const HOOK_REGISTRATION_PHRASE =
'registers the resolved hook entries in `~/.claude/settings.json`';
function normalizeWhitespace(text) {
return text.replace(/\s+/g, ' ');
}
function test(name, fn) {
try {
@@ -44,11 +50,11 @@ function runTests() {
'README should document the supported PowerShell hook install path'
);
assert.ok(
readme.includes('%USERPROFILE%\\\\.claude'),
readme.includes('%USERPROFILE%\\.claude'),
'README should call out the correct Windows Claude config root'
);
assert.ok(
readme.includes('registers the resolved\nhook entries in `~/.claude/settings.json`'),
normalizeWhitespace(readme).includes(HOOK_REGISTRATION_PHRASE),
'README should explain that manual installs register hooks in Claude settings'
);
})) passed++; else failed++;
@@ -67,7 +73,7 @@ function runTests() {
'hooks/README should document the supported PowerShell hook install path'
);
assert.ok(
hooksReadme.includes('registers the resolved\nhook entries in `~/.claude/settings.json`'),
normalizeWhitespace(hooksReadme).includes(HOOK_REGISTRATION_PHRASE),
'hooks/README should explain that manual installs register hooks in Claude settings'
);
})) passed++; else failed++;