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feat: --allow-other flag for crm mount (fixes single-uid FUSE EACCES) #4

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Merged
dzhng merged 1 commit into from
May 2, 2026
Merged

feat: --allow-other flag for crm mount (fixes single-uid FUSE EACCES) #4

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14 changes: 12 additions & 2 deletions src/commands/fuse.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -259,9 +259,9 @@ async function mountLinux(
config: {
database: { path: string }
pipeline: { stages: string[] }
mount: { readonly?: boolean }
mount: { readonly?: boolean; allow_other?: boolean }
},
opts: { readonly?: boolean },
opts: { readonly?: boolean; allowOther?: boolean },
) {
const helperPath = join(homedir(), '.crm', 'bin', 'crm-fuse')

Expand Down Expand Up @@ -326,6 +326,12 @@ async function mountLinux(
if (opts.readonly || config.mount.readonly) {
fuseArgs.unshift('-o', 'ro')
}
if (opts.allowOther || config.mount.allow_other) {
// `user_allow_other` must be enabled in /etc/fuse.conf for this to work
// when the mount is invoked by a non-root user. The mount call will fail
// loudly if it isn't.
fuseArgs.unshift('-o', 'allow_other')
}

const fuseProc = spawn(helperPath, fuseArgs, {
stdio: 'ignore',
Expand Down Expand Up @@ -437,6 +443,10 @@ export function registerFuseCommands(program: Command) {
.description('Mount CRM as virtual filesystem')
.argument('[mountpoint]', 'Mount point directory')
.option('--readonly', 'Mount read-only')
.option(
'--allow-other',
'Allow processes running as a different uid (e.g. root) to access the mount. Linux-only; requires user_allow_other in /etc/fuse.conf when invoked by a non-root user.',
)
.action(async (mountpoint, opts) => {
const { config } = await getCtx()
const mp = mountpoint || config.mount.default_path
Expand Down
8 changes: 8 additions & 0 deletions src/config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,13 @@ export interface CRMConfig {
mount: {
default_path: string
readonly: boolean
/**
* Mount with `-o allow_other` so processes running as a different uid
* (e.g. root, container orchestrators) can read/write the FUSE filesystem.
* Requires `user_allow_other` in /etc/fuse.conf when the mount is invoked
* by a non-root user. Linux-only; ignored by the macOS NFS path.
*/
allow_other: boolean
max_recent_activity: number
search_limit: number
}
Expand Down Expand Up @@ -44,6 +51,7 @@ function defaultConfig(): CRMConfig {
mount: {
default_path: join(homedir(), 'crm'),
readonly: false,
allow_other: false,
max_recent_activity: 10,
search_limit: 20,
},
Expand Down
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