inbuxa-migrate/docs/usage.md

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SPDX-FileCopyrightText: 2026 John Coffey <[email protected]>

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# Using inbuxa-migrate

The full command reference. The [README](../README.md) says what the tool is
and how to install it.

## Commands and global flags

```
inbuxa-migrate <import|export|inspect> [args...]
```

Every command takes a few global flags -- verbosity, worker pool size, retry
policy, TLS handling -- besides its own. The ones that matter most:

| Flag | Purpose |
| --- | --- |
| `-j, --threads <N>` | Worker pool size (default: logical CPUs). |
| `--dry-run` | Compute the full plan; perform no writes. |
| `-v`, `-vv`, `-vvv` | Increase log verbosity. |
| `-q, --quiet` | Warnings and errors only. |
| `--max-retries <N>` | Max retries per request on transient failures (default 5). |
| `--allow-invalid-certs` | Accept self-signed / invalid TLS certs. |

Secrets come from the `INBUXA_MIGRATE_*` environment variables or a prompt;
see [Credentials](../README.md#credentials). The command line takes them too,
but should not be given them.

## Import

```
inbuxa-migrate import <source> [source-args...] <ARCHIVE>
```

Reads a source account into the SQLite `ARCHIVE`, creating it if it is absent.
An archive remembers which account filled it; every importer takes
`--allow-source-change` to fill it from a different one anyway.

### JMAP

```
inbuxa-migrate import jmap \
  --url <URL> \
  (--auth-basic <USER> [--auth-password <PASS>] | --auth-bearer [TOKEN]) \
  (--account-id <ID> | --account-name <NAME>) \
  [--objects <list>] \
  <ARCHIVE>
```

Imports one JMAP account, from inbuxa, Stalwart or any other JMAP server. `--objects` accepts a comma-separated list of object tokens (`mailbox,email,calendar,calendarevent,addressbook,contactcard,identity,sievescript,participantidentity,filenode`). The default is everything the server advertises.

### IMAP

```
inbuxa-migrate import imap \
  --url imap(s)://host[:port] \
  (--auth-basic <USER> [--auth-password <PASS>] | --auth-bearer [TOKEN] --auth-user <USER>) \
  [--include <REGEX>...] [--exclude <REGEX>...] [--exclude-special <ROLE>...] \
  [--folder <NAME>...] [--subscribed-only] [--noautomap] \
  [--include-deleted] [--allow-cleartext] [--compress] \
  [--fetch-batch <N>] [--imap-connections <1..8>] \
  <ARCHIVE>
```

Imports mail, and only mail, from any IMAP server. Folders are chosen with
`--include` and `--exclude` patterns, or by exact name with `--folder`, but
not both. `--exclude-special` drops folders by SPECIAL-USE role.

### CalDAV

```
inbuxa-migrate import caldav \
  --url <http(s)://host[/path]> \
  (--auth-basic <USER> [--auth-password <PASS>] | --auth-bearer [TOKEN]) \
  [--allow-cleartext] [--dav-connections <1..8>] [--multiget-batch <N>] \
  <ARCHIVE>
```

Discovers the user's CalDAV principal (or accepts a URL pointing straight at a calendar-home or calendar), then imports calendars and events.

### CardDAV

```
inbuxa-migrate import carddav \
  --url <http(s)://host[/path]> \
  (--auth-basic <USER> [--auth-password <PASS>] | --auth-bearer [TOKEN]) \
  [--allow-cleartext] [--dav-connections <1..8>] [--multiget-batch <N>] \
  <ARCHIVE>
```

Same shape as `caldav`, but for address books and contacts.

### WebDAV

```
inbuxa-migrate import webdav \
  --url <http(s)://host[/path]> \
  (--auth-basic <USER> [--auth-password <PASS>] | --auth-bearer [TOKEN]) \
  [--allow-cleartext] [--dav-connections <1..8>] [--multiget-batch <N>] \
  <ARCHIVE>
```

Imports a plain WebDAV file collection as a JMAP `FileNode` tree.

### ManageSieve

```
inbuxa-migrate import managesieve \
  --url sieve(s)://host[:port] \
  (--auth-basic <USER> [--auth-password <PASS>] | --auth-bearer [TOKEN] --auth-user <USER>) \
  [--allow-cleartext] \
  <ARCHIVE>
```

Imports Sieve scripts only. Each script is stored once by content, and the
active one is recorded.

### Maildir

```
inbuxa-migrate import maildir <MAILDIR> <ARCHIVE> \
  [--include <REGEX>...] [--exclude <REGEX>...] [--folder <NAME>...] \
  [--noautomap] [--include-deleted]
```

Reads a local Maildir++ tree: a directory with `cur/`, `new/` and `tmp/`. No
network. Folders are chosen as for IMAP.

### Google Takeout

```
inbuxa-migrate import takeout <PATH> <ARCHIVE> [--noautomap]
```

Finds every `.mbox`, `.ics` and `.vcf` file under a directory and imports it.
It is shaped for Google Takeout but reads any such tree. `--noautomap` stops
it giving Gmail's system labels their mailbox roles.

### Microsoft Exchange (EWS)

```
inbuxa-migrate import exchange-ews \
  [--url <EWS-ENDPOINT>] [--mailbox <SMTP>] \
  [--mailbox-kind primary|archive|public-folders] \
  (--auth-basic <USER> [--auth-password <PASS>] \
   | --auth-bearer [TOKEN] [--ews-tenant <T> --ews-client-id <ID> \
                            (--ews-device-code | --ews-client-secret <SECRET>)]) \
  [--ews-connections <1..8>] [--ews-getitem-batch <N>] [--ews-attachment-batch <N>] \
  [--ews-no-syncfolderitems] \
  <ARCHIVE>
```

Imports a mailbox from an on-premises Exchange Server through EWS. Without
`--url` it uses Autodiscover, and then needs `--mailbox`. It signs in with
Basic, with a bearer token acquired beforehand, with OAuth's interactive
device-code flow, or with app-only client credentials.

For Exchange Online, use `exchange-graph` instead. Microsoft is retiring EWS in Exchange Online: from October 1, 2026 it is blocked unless a tenant administrator sets `EwsEnabled` to `True` and adds the client id to `EwsAllowedAppIDs`, and on April 1, 2027 it is switched off for every tenant. On-premises Exchange Server is not affected.

### Microsoft Exchange (Graph)

```
inbuxa-migrate import exchange-graph \
  (--client-id <UUID> [--tenant <ID>] | --access-token [TOKEN]) \
  [--user <UPN|UUID>] \
  [--mailbox-kind primary|archive] \
  [--objects mail,calendar,contacts] \
  [--event-body-format text|html] \
  [--graph-connections <1..16>] [--top <1..1000>] \
  <ARCHIVE>
```

Imports a mailbox from Exchange Online through Microsoft Graph. Without
`--access-token` it signs in with the interactive device-code flow. `public-folders` is rejected here: Graph does not expose public folders, so they can only be imported with `exchange-ews`, which for Exchange Online is subject to the retirement described above.

## Export

```
inbuxa-migrate export \
  --url <URL> \
  (--auth-basic <USER> [--auth-password <PASS>] | --auth-bearer [TOKEN]) \
  (--account-id <ID> | --account-name <NAME>) \
  [--objects <list>] [--prune [--yes]] \
  <ARCHIVE>
```

Writes `ARCHIVE` into an account on a JMAP server, usually inbuxa. It keeps no
state of its own: every run matches the archive against the target afresh.
By default it only adds: what the archive holds and the target lacks is
created, and anything already on the target is left as it is -- an item that
matches is not updated yet, so a change made at the source after the first
export does not reach the target on a second one.

Email is matched by Message-ID, or without one by sender, subject, date and
recipients; where several messages share one, size decides. A message the
source kept in several folders -- IMAP and Maildir copies, Gmail labels -- is
written once, in all of them, and a later run adds any folder it is still
missing on the target.

`--prune` also deletes what is on the target and not in the archive. It asks
first; `--yes` answers for it, for scripts. Export speaks JMAP only.

## Inspect

```
inbuxa-migrate inspect <ARCHIVE> [TYPE] [--limit <N>] [--offset <N>]
```

Read-only dump of a local archive. This command never opens a network connection and never writes to the archive.

- Omit `TYPE` for a per-type summary (counts of every object kind plus blob storage stats).
- Pass an object type to dump it: `mailbox`, `email`, `identity`, `sievescript`, `addressbook`, `contactcard`, `calendar`, `calendarevent`, `participantidentity`, `filenode`.
- `mailbox` and `filenode` render as a tree (`--limit`/`--offset` are ignored); all other types use a paginated list and respect `--limit` and `--offset`.


## Live tests

The tests against real servers -- a Stalwart server as a JMAP source, and
Dovecot, Cyrus, Radicale, Baikal and Apache `mod_dav` -- are marked
`#[ignore]`. Each test binary boots its own throwaway container through
`testcontainers`, pulling the image on first use, so Docker must be running
(`docker info` succeeds) before they start.

Run them one binary at a time, always with one test thread:

```sh
cargo test --test sync_jmap          -- --ignored --test-threads=1   # live JMAP import/export/convergence/prune
cargo test --test sync_imap          -- --ignored --test-threads=1
cargo test --test sync_managesieve   -- --ignored --test-threads=1
cargo test --test sync_maildir       -- --ignored --test-threads=1
cargo test --test sync_caldav        -- --ignored --test-threads=1
cargo test --test sync_carddav       -- --ignored --test-threads=1
cargo test --test sync_webdav        -- --ignored --test-threads=1
cargo test --test live_stalwart      -- --ignored --test-threads=1
cargo test --test seed_smoke         -- --ignored --test-threads=1
cargo test --test seed_only          -- --ignored --test-threads=1

# Third-party-server tests (one container each):
cargo test --test integration_radicale -- --ignored --test-threads=1
cargo test --test integration_baikal   -- --ignored --test-threads=1
cargo test --test integration_webdav   -- --ignored --test-threads=1
cargo test --test integration_dovecot  -- --ignored --test-threads=1
cargo test --test integration_cyrus    -- --ignored --test-threads=1

# Slow tests
cargo test --test mock_jmap -- --ignored
```

One thread is required, not advised. The tests in a binary share its
container, and each one creates and removes the same disposable domain,
`inbuxa-migrate.org`, and opens its archive with SQLite's `EXCLUSIVE` lock.
Separate binaries each boot their own container on their own ports, so
running them one after another is safe.