Log Message:
rclone: Update to 1.52.0

pkgsrc changes:
 - Update patches due file renames

Changes:
1.52.0
------
Special thanks to Martin Michlmayr for proof reading and correcting all
the docs and Edward Barker for helping re-write the front page.

* New backends
  * Tardigrade backend for use with storj.io (Caleb Case)
  * Union re-write to have multiple writable remotes (Max Sum)
  * Seafile for Seafile server (Fred @creativeprojects)
* New commands
  * backend: command for backend specific commands (see backends)
    (Nick Craig-Wood)
  * cachestats: Deprecate in favour of `rclone backend stats cache:`
    (Nick Craig-Wood)
  * dbhashsum: Deprecate in favour of `rclone hashsum DropboxHash` (Nick Craig-Wood)
* New Features
  * Add `--header-download` and `--header-upload` flags for setting
    HTTP headers when uploading/downloading (Tim Gallant)
  * Add `--header` flag to add HTTP headers to every HTTP transaction
    (Nick Craig-Wood)
  * Add `--check-first` to do all checking before starting transfers
    (Nick Craig-Wood)
  * Add `--track-renames-strategy` for configurable matching criteria for
    `--track-renames` (Bernd Schoolmann)
  * Add `--cutoff-mode` hard,soft,catious (Shing Kit Chan & Franklyn Tackitt)
  * Filter flags (eg `--files-from -`) can read from stdin (fishbullet)
  * Add `--error-on-no-transfer` option (Jon Fautley)
  * Implement `--order-by xxx,mixed` for copying some small and some big
    files (Nick Craig-Wood)
  * Allow `--max-backlog` to be negative meaning as large as possible
    (Nick Craig-Wood)
  * Added `--no-unicode-normalization` flag to allow Unicode filenames to
    remain unique (Ben Zenker)
  * Allow `--min-age`/`--max-age` to take a date as well as a duration
    (Nick Craig-Wood)
  * Add rename statistics for file and directory renames (Nick Craig-Wood)
  * Add statistics output to JSON log (reddi)
  * Make stats be printed on non-zero exit code (Nick Craig-Wood)
  * When running `--password-command` allow use of stdin (Sébastien Gross)
  * Stop empty strings being a valid remote path (Nick Craig-Wood)
  * accounting: support WriterTo for less memory copying (Nick Craig-Wood)
  * build
     * Update to use go1.14 for the build (Nick Craig-Wood)
     * Add `-trimpath` to release build for reproduceable builds
       (Nick Craig-Wood)
     * Remove GOOS and GOARCH from Dockerfile (Brandon Philips)
  * config
     * Fsync the config file after writing to save more reliably
       (Nick Craig-Wood)
     * Add `--obscure` and `--no-obscure` flags to `config create`/`update`
       (Nick Craig-Wood)
     * Make `config show` take `remote:` as well as `remote` (Nick Craig-Wood)
  * copyurl: Add `--no-clobber` flag (Denis)
  * delete: Added `--rmdirs` flag to delete directories as well (Kush)
  * filter: Added `--files-from-raw` flag (Ankur Gupta)
  * genautocomplete: Add support for fish shell (Matan Rosenberg)
  * log: Add support for syslog LOCAL facilities (Patryk Jakuszew)
  * lsjson: Add `--hash-type` parameter and use it in lsf to speed up
    hashing (Nick Craig-Wood)
  * rc
     * Add `-o`/`--opt` and `-a`/`--arg` for more structured input
       (Nick Craig-Wood)
     * Implement `backend/command` for running backend specific commands
       remotely (Nick Craig-Wood)
     * Add `mount/mount` command for starting `rclone mount` via the
       API (Chaitanya)
  * rcd: Add Prometheus metrics support (Gary Kim)
  * serve http
     * Added a `--template` flag for user defined markup (calistri)
     * Add Last-Modified headers to files and directories (Nick Craig-Wood)
  * serve sftp: Add support for multiple host keys by repeating `--key` flag
    (Maxime Suret)
  * touch: Add `--localtime` flag to make `--timestamp` localtime not UTC
    (Nick Craig-Wood)
* Bug Fixes
  * accounting
     * Restore "Max number of stats groups reached" log line (Michał \ 
Matczuk)
     * Correct exitcode on Transfer Limit Exceeded flag. (Anuar Serdaliyev)
     * Reset bytes read during copy retry (Ankur Gupta)
     * Fix race clearing stats (Nick Craig-Wood)
  * copy: Only create empty directories when they don't exist on the remote
    (Ishuah Kariuki)
  * dedupe: Stop dedupe deleting files with identical IDs (Nick Craig-Wood)
  * oauth
     * Use custom http client so that `--no-check-certificate` is honored by
       oauth token fetch (Mark Spieth)
     * Replace deprecated oauth2.NoContext (Lars Lehtonen)
  * operations
     * Fix setting the timestamp on Windows for multithread copy
       (Nick Craig-Wood)
     * Make rcat obey `--ignore-checksum` (Nick Craig-Wood)
     * Make `--max-transfer` more accurate (Nick Craig-Wood)
  * rc
     * Fix dropped error (Lars Lehtonen)
     * Fix misplaced http server config (Xiaoxing Ye)
     * Disable duplicate log (ElonH)
  * serve dlna
     * Cds: don't specify childCount at all when unknown (Dan Walters)
     * Cds: use modification time as date in dlna metadata (Dan Walters)
  * serve restic: Fix tests after restic project removed vendoring
    (Nick Craig-Wood)
  * sync
     * Fix incorrect "nothing to transfer" message using `--delete-before`
       (Nick Craig-Wood)
     * Only create empty directories when they don't exist on the remote
       (Ishuah Kariuki)
* Mount
  * Add `--async-read` flag to disable asynchronous reads (Nick Craig-Wood)
  * Ignore `--allow-root` flag with a warning as it has been removed upstream
    (Nick Craig-Wood)
  * Warn if `--allow-non-empty` used on Windows and clarify docs
    (Nick Craig-Wood)
  * Constrain to go1.13 or above otherwise bazil.org/fuse fails to compile
    (Nick Craig-Wood)
  * Fix fail because of too long volume name (evileye)
  * Report 1PB free for unknown disk sizes (Nick Craig-Wood)
  * Map more rclone errors into file systems errors (Nick Craig-Wood)
  * Fix disappearing cwd problem (Nick Craig-Wood)
  * Use ReaddirPlus on Windows to improve directory listing performance (Nick \ 
Craig-Wood)
  * Send a hint as to whether the filesystem is case insensitive or not (Nick \ 
Craig-Wood)
  * Add rc command `mount/types` (Nick Craig-Wood)
  * Change maximum leaf name length to 1024 bytes (Nick Craig-Wood)
* VFS
  * Add `--vfs-read-wait` and `--vfs-write-wait` flags to control time
    waiting for a sequential read/write (Nick Craig-Wood)
  * Change default `--vfs-read-wait` to 20ms (it was 5ms and not configurable)
    (Nick Craig-Wood)
  * Make `df` output more consistent on a rclone mount. (Yves G)
  * Report 1PB free for unknown disk sizes (Nick Craig-Wood)
  * Fix race condition caused by unlocked reading of Dir.path (Nick Craig-Wood)
  * Make File lock and Dir lock not overlap to avoid deadlock (Nick Craig-Wood)
  * Implement lock ordering between File and Dir to eliminate deadlocks
    (Nick Craig-Wood)
  * Factor the vfs cache into its own package (Nick Craig-Wood)
  * Pin the Fs in use in the Fs cache (Nick Craig-Wood)
  * Add SetSys() methods to Node to allow caching stuff on a node
    (Nick Craig-Wood)
  * Ignore file not found errors from Hash in Read.Release (Nick Craig-Wood)
  * Fix hang in read wait code (Nick Craig-Wood)
* Local
  * Speed up multi thread downloads by using sparse files on Windows
    (Nick Craig-Wood)
  * Implement `--local-no-sparse` flag for disabling sparse files
    (Nick Craig-Wood)
  * Implement `rclone backend noop` for testing purposes (Nick Craig-Wood)
  * Fix "file not found" errors on post transfer Hash calculation
    (Nick Craig-Wood)
* Cache
  * Implement `rclone backend stats` command (Nick Craig-Wood)
  * Fix Server Side Copy with Temp Upload (Brandon McNama)
  * Remove Unused Functions (Lars Lehtonen)
  * Disable race tests until bbolt is fixed (Nick Craig-Wood)
  * Move methods used for testing into test file (greatroar)
  * Add Pin and Unpin and canonicalised lookup (Nick Craig-Wood)
  * Use proper import path go.etcd.io/bbolt (Robert-André Mauchin)
* Crypt
  * Calculate hashes for uploads from local disk (Nick Craig-Wood)
      * This allows crypted Jottacloud uploads without using local disk
      * This means crypted s3/b2 uploads will now have hashes
  * Added `rclone backend decode`/`encode` commands to replicate functionality
    of `cryptdecode` (Anagh Kumar Baranwal)
  * Get rid of the unused Cipher interface as it obfuscated the code
    (Nick Craig-Wood)
* Azure Blob
  * Implement streaming of unknown sized files so `rcat` is now supported
    (Nick Craig-Wood)
  * Implement memory pooling to control memory use (Nick Craig-Wood)
  * Add `--azureblob-disable-checksum` flag (Nick Craig-Wood)
  * Retry `InvalidBlobOrBlock` error as it may indicate block concurrency
    problems (Nick Craig-Wood)
  * Remove unused `Object.parseTimeString()` (Lars Lehtonen)
  * Fix permission error on SAS URL limited to container (Nick Craig-Wood)
* B2
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Ignore directory markers at the root also (Nick Craig-Wood)
  * Force the case of the SHA1 to lowercase (Nick Craig-Wood)
  * Remove unused `largeUpload.clearUploadURL()` (Lars Lehtonen)
* Box
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Implement About to read size used (Nick Craig-Wood)
  * Add token renew function for jwt auth (David Bramwell)
  * Added support for interchangeable root folder for Box backend (Sunil Patra)
  * Remove unnecessary iat from jws claims (David)
* Drive
  * Follow shortcuts by default, skip with `--drive-skip-shortcuts`
    (Nick Craig-Wood)
  * Implement `rclone backend shortcut` command for creating shortcuts
    (Nick Craig-Wood)
  * Added `rclone backend` command to change `service_account_file` and
    `chunk_size` (Anagh Kumar Baranwal)
  * Fix missing files when using `--fast-list` and `--drive-shared-with-me`
    (Nick Craig-Wood)
  * Fix duplicate items when using `--drive-shared-with-me` (Nick Craig-Wood)
  * Extend `--drive-stop-on-upload-limit` to respond to
    `teamDriveFileLimitExceeded`. (harry)
  * Don't delete files with multiple parents to avoid data loss
    (Nick Craig-Wood)
  * Server side copy docs use default description if empty (Nick Craig-Wood)
* Dropbox
  * Make error insufficient space to be fatal (harry)
  * Add info about required redirect url (Elan Ruusamäe)
* Fichier
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Implement custom pacer to deal with the new rate limiting (buengese)
* FTP
  * Fix lockup when using concurrency limit on failed connections
    (Nick Craig-Wood)
  * Fix lockup on failed upload when using concurrency limit (Nick Craig-Wood)
  * Fix lockup on Close failures when using concurrency limit (Nick Craig-Wood)
  * Work around pureftp sending spurious 150 messages (Nick Craig-Wood)
* Google Cloud Storage
  * Add support for `--header-upload` and `--header-download` (Nick Craig-Wood)
  * Add `ARCHIVE` storage class to help (Adam Stroud)
  * Ignore directory markers at the root (Nick Craig-Wood)
* Googlephotos
  * Make the start year configurable (Daven)
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Create feature/favorites directory (Brandon Philips)
  * Fix "concurrent map write" error (Nick Craig-Wood)
  * Don't put an image in error message (Nick Craig-Wood)
* HTTP
  * Improved directory listing with new template from Caddy project (calisro)
* Jottacloud
  * Implement `--jottacloud-trashed-only` (buengese)
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Use `RawURLEncoding` when decoding base64 encoded login token (buengese)
  * Implement cleanup (buengese)
  * Update docs regarding cleanup, removed remains from old auth, and added
    warning about special mountpoints. (albertony)
* Mailru
  * Describe 2FA requirements (valery1707)
* Onedrive
  * Implement `--onedrive-server-side-across-configs` (Nick Craig-Wood)
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Fix occasional 416 errors on multipart uploads (Nick Craig-Wood)
  * Added maximum chunk size limit warning in the docs (Harry)
  * Fix missing drive on config (Nick Craig-Wood)
  * Make error `quotaLimitReached` to be fatal (harry)
* Opendrive
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
* Pcloud
  * Added support for interchangeable root folder for pCloud backend
    (Sunil Patra)
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Fix initial config "Auth state doesn't match" message (Nick Craig-Wood)
* Premiumizeme
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Prune unused functions (Lars Lehtonen)
* Putio
  * Add support for `--header-upload` and `--header-download` (Nick Craig-Wood)
  * Make downloading files use the rclone http Client (Nick Craig-Wood)
  * Fix parsing of remotes with leading and trailing / (Nick Craig-Wood)
* Qingstor
  * Make `rclone cleanup` remove pending multipart uploads older than 24h
    (Nick Craig-Wood)
  * Try harder to cancel failed multipart uploads (Nick Craig-Wood)
  * Prune `multiUploader.list()` (Lars Lehtonen)
  * Lint fix (Lars Lehtonen)
* S3
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Use memory pool for buffer allocations (Maciej Zimnoch)
  * Add SSE-C support for AWS, Ceph, and MinIO (Jack Anderson)
  * Fail fast multipart upload (Michał Matczuk)
  * Report errors on bucket creation (mkdir) correctly (Nick Craig-Wood)
  * Specify that Minio supports URL encoding in listings (Nick Craig-Wood)
  * Added 500 as retryErrorCode (Michał Matczuk)
  * Use `--low-level-retries` as the number of SDK retries
    (Aleksandar Janković)
  * Fix multipart abort context (Aleksandar Jankovic)
  * Replace deprecated `session.New()` with `session.NewSession()`
    (Lars Lehtonen)
  * Use the provided size parameter when allocating a new memory pool
    (Joachim Brandon LeBlanc)
  * Use rclone's low level retries instead of AWS SDK to fix listing retries
    (Nick Craig-Wood)
  * Ignore directory markers at the root also (Nick Craig-Wood)
  * Use single memory pool (Michał Matczuk)
  * Do not resize buf on put to memBuf (Michał Matczuk)
  * Improve docs for `--s3-disable-checksum` (Nick Craig-Wood)
  * Don't leak memory or tokens in edge cases for multipart upload
    (Nick Craig-Wood)
* Seafile
  * Implement 2FA (Fred)
* SFTP
  * Added `--sftp-pem-key` to support inline key files (calisro)
  * Fix post transfer copies failing with 0 size when using
    `set_modtime=false` (Nick Craig-Wood)
* Sharefile
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
* Sugarsync
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
* Swift
  * Add support for `--header-upload` and `--header-download` (Nick Craig-Wood)
  * Fix cosmetic issue in error message (Martin Michlmayr)
* Union
  * Implement multiple writable remotes (Max Sum)
  * Fix server-side copy (Max Sum)
  * Implement ListR (Max Sum)
  * Enable ListR when upstreams contain local (Max Sum)
* WebDAV
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)
  * Fix `X-OC-Mtime` header for Transip compatibility (Nick Craig-Wood)
  * Report full and consistent usage with `about` (Yves G)
* Yandex
  * Add support for `--header-upload` and `--header-download` (Tim Gallant)