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restic/CHANGELOG.md
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2018-06-10 11:30:53 +02:00

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Changelog for restic 0.9.1 (2018-06-10)
=======================================
The following sections list the changes in restic 0.9.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1801: Add limiting bandwidth to the rclone backend
* Fix #1822: Allow uploading large files to MS Azure
* Fix #1825: Correct `find` to not skip snapshots
* Fix #1833: Fix caching files on error
* Fix #1834: Resolve deadlock
Details
-------
* Bugfix #1801: Add limiting bandwidth to the rclone backend
The rclone backend did not respect `--limit-upload` or `--limit-download`. Oftentimes it's
not necessary to use this, as the limiting in rclone itself should be used because it gives much
better results, but in case a remote instance of rclone is used (e.g. called via ssh), it is still
relevant to limit the bandwidth from restic to rclone.
https://github.com/restic/restic/issues/1801
* Bugfix #1822: Allow uploading large files to MS Azure
Sometimes, restic creates files to be uploaded to the repository which are quite large, e.g.
when saving directories with many entries or very large files. The MS Azure API does not allow
uploading files larger that 256MiB directly, rather restic needs to upload them in blocks of
100MiB. This is now implemented.
https://github.com/restic/restic/issues/1822
* Bugfix #1825: Correct `find` to not skip snapshots
Under certain circumstances, the `find` command was found to skip snapshots containing
directories with files to look for when the directories haven't been modified at all, and were
already printed as part of a different snapshot. This is now corrected.
In addition, we've switched to our own matching/pattern implementation, so now things like
`restic find "/home/user/foo/**/main.go"` are possible.
https://github.com/restic/restic/issues/1825
https://github.com/restic/restic/issues/1823
* Bugfix #1833: Fix caching files on error
During `check` it may happen that different threads access the same file in the backend, which
is then downloaded into the cache only once. When that fails, only the thread which is
responsible for downloading the file signals the correct error. The other threads just assume
that the file has been downloaded successfully and then get an error when they try to access the
cached file.
https://github.com/restic/restic/issues/1833
* Bugfix #1834: Resolve deadlock
When the "scanning" process restic runs to find out how much data there is does not finish before
the backup itself is done, restic stops doing anything. This is resolved now.
https://github.com/restic/restic/issues/1834
https://github.com/restic/restic/pull/1835
Changelog for restic 0.9.0 (2018-05-21)
=======================================
The following sections list the changes in restic 0.9.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1608: Respect time stamp for new backup when reading from stdin
* Fix #1652: Ignore/remove invalid lock files
* Fix #1730: Ignore sockets for restore
* Fix #1684: Fix backend tests for rest-server
* Fix #1745: Correctly parse the argument to --tls-client-cert
* Enh #1433: Support UTF-16 encoding and process Byte Order Mark
* Enh #1561: Allow using rclone to access other services
* Enh #1665: Improve cache handling for `restic check`
* Enh #1721: Add `cache` command to list cache dirs
* Enh #1758: Allow saving OneDrive folders in Windows
* Enh #549: Rework archiver code
* Enh #1552: Use Google Application Default credentials
* Enh #1477: Accept AWS_SESSION_TOKEN for the s3 backend
* Enh #1648: Ignore AWS permission denied error when creating a repository
* Enh #1649: Add illumos/Solaris support
* Enh #1709: Improve messages `restic check` prints
* Enh #827: Add --new-password-file flag for non-interactive password changes
* Enh #1735: Allow keeping a time range of snaphots
* Enh #1782: Use default AWS credentials chain for S3 backend
Details
-------
* Bugfix #1608: Respect time stamp for new backup when reading from stdin
When reading backups from stdin (via `restic backup --stdin`), restic now uses the time stamp
for the new backup passed in `--time`.
https://github.com/restic/restic/issues/1608
https://github.com/restic/restic/pull/1703
* Bugfix #1652: Ignore/remove invalid lock files
This corrects a bug introduced recently: When an invalid lock file in the repo is encountered
(e.g. if the file is empty), the code used to ignore that, but now returns the error. Now, invalid
files are ignored for the normal lock check, and removed when `restic unlock --remove-all` is
run.
https://github.com/restic/restic/issues/1652
https://github.com/restic/restic/pull/1653
* Bugfix #1730: Ignore sockets for restore
We've received a report and correct the behavior in which the restore code aborted restoring a
directory when a socket was encountered. Unix domain socket files cannot be restored (they are
created on the fly once a process starts listening). The error handling was corrected, and in
addition we're now ignoring sockets during restore.
https://github.com/restic/restic/issues/1730
https://github.com/restic/restic/pull/1731
* Bugfix #1684: Fix backend tests for rest-server
The REST server for restic now requires an explicit parameter (`--no-auth`) if no
authentication should be allowed. This is fixed in the tests.
https://github.com/restic/restic/pull/1684
* Bugfix #1745: Correctly parse the argument to --tls-client-cert
Previously, the --tls-client-cert method attempt to read ARGV[1] (hardcoded) instead of the
argument that was passed to it. This has been corrected.
https://github.com/restic/restic/issues/1745
https://github.com/restic/restic/pull/1746
* Enhancement #1433: Support UTF-16 encoding and process Byte Order Mark
On Windows, text editors commonly leave a Byte Order Mark at the beginning of the file to define
which encoding is used (oftentimes UTF-16). We've added code to support processing the BOMs in
text files, like the exclude files, the password file and the file passed via `--files-from`.
This does not apply to any file being saved in a backup, those are not touched and archived as they
are.
https://github.com/restic/restic/issues/1433
https://github.com/restic/restic/issues/1738
https://github.com/restic/restic/pull/1748
* Enhancement #1561: Allow using rclone to access other services
We've added the ability to use rclone to store backup data on all backends that it supports. This
was done in collaboration with Nick, the author of rclone. You can now use it to first configure a
service, then restic manages the rest (starting and stopping rclone). For details, please see
the manual.
https://github.com/restic/restic/issues/1561
https://github.com/restic/restic/pull/1657
https://rclone.org
* Enhancement #1665: Improve cache handling for `restic check`
For safety reasons, restic does not use a local metadata cache for the `restic check` command,
so that data is loaded from the repository and restic can check it's in good condition. When the
cache is disabled, restic will fetch each tiny blob needed for checking the integrity using a
separate backend request. For non-local backends, that will take a long time, and depending on
the backend (e.g. B2) may also be much more expensive.
This PR adds a few commits which will change the behavior as follows:
* When `restic check` is called without any additional parameters, it will build a new cache in a
temporary directory, which is removed at the end of the check. This way, we'll get readahead for
metadata files (so restic will fetch the whole file when the first blob from the file is
requested), but all data is freshly fetched from the storage backend. This is the default
behavior and will work for almost all users.
* When `restic check` is called with `--with-cache`, the default on-disc cache is used. This
behavior hasn't changed since the cache was introduced.
* When `--no-cache` is specified, restic falls back to the old behavior, and read all tiny blobs
in separate requests.
https://github.com/restic/restic/issues/1665
https://github.com/restic/restic/issues/1694
https://github.com/restic/restic/pull/1696
* Enhancement #1721: Add `cache` command to list cache dirs
The command `cache` was added, it allows listing restic's cache directoriers together with
the last usage. It also allows removing old cache dirs without having to access a repo, via
`restic cache --cleanup`
https://github.com/restic/restic/issues/1721
https://github.com/restic/restic/pull/1749
* Enhancement #1758: Allow saving OneDrive folders in Windows
Restic now contains a bugfix to two libraries, which allows saving OneDrive folders in
Windows. In order to use the newer versions of the libraries, the minimal version required to
compile restic is now Go 1.9.
https://github.com/restic/restic/issues/1758
https://github.com/restic/restic/pull/1765
* Enhancement #549: Rework archiver code
The core archiver code and the complementary code for the `backup` command was rewritten
completely. This resolves very annoying issues such as 549. The first backup with this release
of restic will likely result in all files being re-read locally, so it will take a lot longer. The
next backup after that will be fast again.
Basically, with the old code, restic took the last path component of each to-be-saved file or
directory as the top-level file/directory within the snapshot. This meant that when called as
`restic backup /home/user/foo`, the snapshot would contain the files in the directory
`/home/user/foo` as `/foo`.
This is not the case any more with the new archiver code. Now, restic works very similar to what
`tar` does: When restic is called with an absolute path to save, then it'll preserve the
directory structure within the snapshot. For the example above, the snapshot would contain
the files in the directory within `/home/user/foo` in the snapshot. For relative
directories, it only preserves the relative path components. So `restic backup user/foo`
will save the files as `/user/foo` in the snapshot.
While we were at it, the status display and notification system was completely rewritten. By
default, restic now shows which files are currently read (unless `--quiet` is specified) in a
multi-line status display.
The `backup` command also gained a new option: `--verbose`. It can be specified once (which
prints a bit more detail what restic is doing) or twice (which prints a line for each
file/directory restic encountered, together with some statistics).
Another issue that was resolved is the new code only reads two files at most. The old code would
read way too many files in parallel, thereby slowing down the backup process on spinning discs a
lot.
https://github.com/restic/restic/issues/549
https://github.com/restic/restic/issues/1286
https://github.com/restic/restic/issues/446
https://github.com/restic/restic/issues/1344
https://github.com/restic/restic/issues/1416
https://github.com/restic/restic/issues/1456
https://github.com/restic/restic/issues/1145
https://github.com/restic/restic/issues/1160
https://github.com/restic/restic/pull/1494
* Enhancement #1552: Use Google Application Default credentials
Google provide libraries to generate appropriate credentials with various fallback
sources. This change uses the library to generate our GCS client, which allows us to make use of
these extra methods.
This should be backward compatible with previous restic behaviour while adding the
additional capabilities to auth from Google's internal metadata endpoints. For users
running restic in GCP this can make authentication far easier than it was before.
https://github.com/restic/restic/pull/1552
https://developers.google.com/identity/protocols/application-default-credentials
* Enhancement #1477: Accept AWS_SESSION_TOKEN for the s3 backend
Before, it was not possible to use s3 backend with AWS temporary security credentials(with
AWS_SESSION_TOKEN). This change gives higher priority to credentials.EnvAWS credentials
provider.
https://github.com/restic/restic/issues/1477
https://github.com/restic/restic/pull/1479
https://github.com/restic/restic/pull/1647
* Enhancement #1648: Ignore AWS permission denied error when creating a repository
It's not possible to use s3 backend scoped to a subdirectory(with specific permissions).
Restic doesn't try to create repository in a subdirectory, when 'bucket exists' of parent
directory check fails due to permission issues.
https://github.com/restic/restic/pull/1648
* Enhancement #1649: Add illumos/Solaris support
https://github.com/restic/restic/pull/1649
* Enhancement #1709: Improve messages `restic check` prints
Some messages `restic check` prints are not really errors, so from now on restic does not treat
them as errors any more and exits cleanly.
https://github.com/restic/restic/pull/1709
https://forum.restic.net/t/what-is-the-standard-procedure-to-follow-if-a-backup-or-restore-is-interrupted/571/2
* Enhancement #827: Add --new-password-file flag for non-interactive password changes
This makes it possible to change a repository password without being prompted.
https://github.com/restic/restic/issues/827
https://github.com/restic/restic/pull/1720
https://forum.restic.net/t/changing-repo-password-without-prompt/591
* Enhancement #1735: Allow keeping a time range of snaphots
We've added the `--keep-within` option to the `forget` command. It instructs restic to keep
all snapshots within the given duration since the newest snapshot. For example, running
`restic forget --keep-within 5m7d` will keep all snapshots which have been made in the five
months and seven days since the latest snapshot.
https://github.com/restic/restic/pull/1735
* Enhancement #1782: Use default AWS credentials chain for S3 backend
Adds support for file credentials to the S3 backend (e.g. ~/.aws/credentials), and reorders
the credentials chain for the S3 backend to match AWS's standard, which is static credentials,
env vars, credentials file, and finally remote.
https://github.com/restic/restic/pull/1782
Changelog for restic 0.8.3 (2018-02-26)
=======================================
The following sections list the changes in restic 0.8.3 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1633: Fixed unexpected 'pack file cannot be listed' error
* Fix #1641: Ignore files with invalid names in the repo
* Fix #1638: Handle errors listing files in the backend
* Enh #1497: Add --read-data-subset flag to check command
* Enh #1560: Retry all repository file download errors
* Enh #1623: Don't check for presence of files in the backend before writing
* Enh #1634: Upgrade B2 client library, reduce HTTP requests
Details
-------
* Bugfix #1633: Fixed unexpected 'pack file cannot be listed' error
Due to a regression introduced in 0.8.2, the `rebuild-index` and `prune` commands failed to
read pack files with size of 587, 588, 589 or 590 bytes.
https://github.com/restic/restic/issues/1633
https://github.com/restic/restic/pull/1635
* Bugfix #1641: Ignore files with invalid names in the repo
The release 0.8.2 introduced a bug: when restic encounters files in the repo which do not have a
valid name, it tries to load a file with a name of lots of zeroes instead of ignoring it. This is now
resolved, invalid file names are just ignored.
https://github.com/restic/restic/issues/1641
https://github.com/restic/restic/pull/1643
https://forum.restic.net/t/help-fixing-repo-no-such-file/485/3
* Bugfix #1638: Handle errors listing files in the backend
A user reported in the forum that restic completes a backup although a concurrent `prune`
operation was running. A few error messages were printed, but the backup was attempted and
completed successfully. No error code was returned.
This should not happen: The repository is exclusively locked during `prune`, so when `restic
backup` is run in parallel, it should abort and return an error code instead.
It was found that the bug was in the code introduced only recently, which retries a List()
operation on the backend should that fail. It is now corrected.
https://github.com/restic/restic/pull/1638
https://forum.restic.net/t/restic-backup-returns-0-exit-code-when-already-locked/484
* Enhancement #1497: Add --read-data-subset flag to check command
This change introduces ability to check integrity of a subset of repository data packs. This
can be used to spread integrity check of larger repositories over a period of time.
https://github.com/restic/restic/issues/1497
https://github.com/restic/restic/pull/1556
* Enhancement #1560: Retry all repository file download errors
Restic will now retry failed downloads, similar to other operations.
https://github.com/restic/restic/pull/1560
* Enhancement #1623: Don't check for presence of files in the backend before writing
Before, all backend implementations were required to return an error if the file that is to be
written already exists in the backend. For most backends, that means making a request (e.g. via
HTTP) and returning an error when the file already exists.
This is not accurate, the file could have been created between the HTTP request testing for it,
and when writing starts, so we've relaxed this requeriment, which saves one additional HTTP
request per newly added file.
https://github.com/restic/restic/pull/1623
* Enhancement #1634: Upgrade B2 client library, reduce HTTP requests
We've upgraded the B2 client library restic uses to access BackBlaze B2. This reduces the
number of HTTP requests needed to upload a new file from two to one, which should improve
throughput to B2.
https://github.com/restic/restic/pull/1634
Changelog for restic 0.8.2 (2018-02-17)
=======================================
The following sections list the changes in restic 0.8.2 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1506: Limit bandwith at the http.RoundTripper for HTTP based backends
* Fix #1512: Restore directory permissions as the last step
* Fix #1528: Correctly create missing subdirs in data/
* Fix #1590: Strip spaces for lines read via --files-from
* Fix #1589: Complete intermediate index upload
* Fix #1594: Google Cloud Storage: Use generic HTTP transport
* Fix #1595: Backup: Remove bandwidth display
* Enh #1522: Add support for TLS client certificate authentication
* Enh #1541: Reduce number of remote requests during repository check
* Enh #1567: Reduce number of backend requests for rebuild-index and prune
* Enh #1507: Only reload snapshots once per minute for fuse mount
* Enh #1538: Reduce memory allocations for querying the index
* Enh #1549: Speed up querying across indices and scanning existing files
* Enh #1554: Fuse/mount: Correctly handle EOF, add template option
* Enh #1564: Don't terminate ssh on SIGINT
* Enh #1579: Retry Backend.List() in case of errors
* Enh #1584: Limit index file size
Details
-------
* Bugfix #1506: Limit bandwith at the http.RoundTripper for HTTP based backends
https://github.com/restic/restic/issues/1506
https://github.com/restic/restic/pull/1511
* Bugfix #1512: Restore directory permissions as the last step
This change allows restoring into directories that were not writable during backup. Before,
restic created the directory, set the read-only mode and then failed to create files in the
directory. This change now restores the directory (with its permissions) as the very last
step.
https://github.com/restic/restic/issues/1512
https://github.com/restic/restic/pull/1536
* Bugfix #1528: Correctly create missing subdirs in data/
https://github.com/restic/restic/issues/1528
https://github.com/restic/restic/pull/1529
* Bugfix #1590: Strip spaces for lines read via --files-from
Leading and trailing spaces in lines read via `--files-from` are now stripped, so it behaves
the same as with lines read via `--exclude-file`.
https://github.com/restic/restic/issues/1590
https://github.com/restic/restic/pull/1613
* Bugfix #1589: Complete intermediate index upload
After a user posted a comprehensive report of what he observed, we were able to find a bug and
correct it: During backup, restic uploads so-called "intermediate" index files. When the
backup finishes during a transfer of such an intermediate index, the upload is cancelled, but
the backup is finished without an error. This leads to an inconsistent state, where the
snapshot references data that is contained in the repo, but is not referenced in any index.
The situation can be resolved by building a new index with `rebuild-index`, but looks very
confusing at first. Since all the data got uploaded to the repo successfully, there was no risk
of data loss, just minor inconvenience for our users.
https://github.com/restic/restic/pull/1589
https://forum.restic.net/t/error-loading-tree-check-prune-and-forget-gives-error-b2-backend/406
* Bugfix #1594: Google Cloud Storage: Use generic HTTP transport
It was discovered that the Google Cloud Storage backend did not use the generic HTTP transport,
so things such as bandwidth limiting with `--limit-upload` did not work. This is resolved now.
https://github.com/restic/restic/pull/1594
* Bugfix #1595: Backup: Remove bandwidth display
This commit removes the bandwidth displayed during backup process. It is misleading and
seldomly correct, because it's neither the "read bandwidth" (only for the very first backup)
nor the "upload bandwidth". Many users are confused about (and rightly so), c.f. #1581, #1033,
#1591
We'll eventually replace this display with something more relevant when the new archiver code
is ready.
https://github.com/restic/restic/pull/1595
* Enhancement #1522: Add support for TLS client certificate authentication
Support has been added for using a TLS client certificate for authentication to HTTP based
backend. A file containing the PEM encoded private key and certificate can be set using the
`--tls-client-cert` option.
https://github.com/restic/restic/issues/1522
https://github.com/restic/restic/pull/1524
* Enhancement #1541: Reduce number of remote requests during repository check
This change eliminates redundant remote repository calls and significantly improves
repository check time.
https://github.com/restic/restic/issues/1541
https://github.com/restic/restic/pull/1548
* Enhancement #1567: Reduce number of backend requests for rebuild-index and prune
We've found a way to reduce then number of backend requests for the `rebuild-index` and `prune`
operations. This significantly speeds up the operations for high-latency backends.
https://github.com/restic/restic/issues/1567
https://github.com/restic/restic/pull/1574
https://github.com/restic/restic/pull/1575
* Enhancement #1507: Only reload snapshots once per minute for fuse mount
https://github.com/restic/restic/pull/1507
* Enhancement #1538: Reduce memory allocations for querying the index
This change reduces the internal memory allocations when the index data structures in memory
are queried if a blob (part of a file) already exists in the repo. It should speed up backup a bit,
and maybe even reduce RAM usage.
https://github.com/restic/restic/pull/1538
* Enhancement #1549: Speed up querying across indices and scanning existing files
This change increases the whenever a blob (part of a file) is searched for in a restic
repository. This will reduce cpu usage some when backing up files already backed up by restic.
Cpu usage is further decreased when scanning files.
https://github.com/restic/restic/pull/1549
* Enhancement #1554: Fuse/mount: Correctly handle EOF, add template option
We've added the `--snapshot-template` string, which can be used to specify a template for a
snapshot directory. In addition, accessing data after the end of a file via the fuse mount is now
handled correctly.
https://github.com/restic/restic/pull/1554
* Enhancement #1564: Don't terminate ssh on SIGINT
We've reworked the code which runs the `ssh` login for the sftp backend so that it can prompt for a
password (if needed) but does not exit when the user presses CTRL+C (SIGINT) e.g. during
backup. This allows restic to properly shut down when it receives SIGINT and remove the lock
file from the repo, afterwards exiting the `ssh` process.
https://github.com/restic/restic/pull/1564
https://github.com/restic/restic/pull/1588
* Enhancement #1579: Retry Backend.List() in case of errors
https://github.com/restic/restic/pull/1579
* Enhancement #1584: Limit index file size
Before, restic would create a single new index file on `prune` or `rebuild-index`, this may
lead to memory problems when this huge index is created and loaded again. We're now limiting the
size of the index file, and split newly created index files into several smaller ones. This
allows restic to be more memory-efficient.
https://github.com/restic/restic/issues/1412
https://github.com/restic/restic/issues/979
https://github.com/restic/restic/issues/526
https://github.com/restic/restic/pull/1584
Changelog for restic 0.8.1 (2017-12-27)
=======================================
The following sections list the changes in restic 0.8.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1457: Improve s3 backend with DigitalOcean Spaces
* Fix #1454: Correct cache dir location for Windows and Darwin
* Fix #1459: Disable handling SIGPIPE
* Chg #1452: Do not save atime by default
* Enh #1436: Add code to detect old cache directories
* Enh #1439: Improve cancellation logic
* Enh #11: Add the `diff` command
Details
-------
* Bugfix #1457: Improve s3 backend with DigitalOcean Spaces
https://github.com/restic/restic/issues/1457
https://github.com/restic/restic/pull/1459
* Bugfix #1454: Correct cache dir location for Windows and Darwin
The cache directory on Windows and Darwin was not correct, instead the directory `.cache` was
used.
https://github.com/restic/restic/pull/1454
* Bugfix #1459: Disable handling SIGPIPE
We've disabled handling SIGPIPE again. Turns out, writing to broken TCP connections also
raised SIGPIPE, so restic exits on the first write to a broken connection. Instead, restic
should retry the request.
https://github.com/restic/restic/issues/1457
https://github.com/restic/restic/issues/1466
https://github.com/restic/restic/pull/1459
* Change #1452: Do not save atime by default
By default, the access time for files and dirs is not saved any more. It is not possible to
reliably disable updating the access time during a backup, so for the next backup the access
time is different again. This means a lot of metadata is saved. If you want to save the access time
anyway, pass `--with-atime` to the `backup` command.
https://github.com/restic/restic/pull/1452
* Enhancement #1436: Add code to detect old cache directories
We've added code to detect old cache directories of repositories that haven't been used in a
long time, restic now prints a note when it detects that such dirs exist. Also, the option
`--cleanup-cache` was added to automatically remove such directories. That's not a problem
because the cache will be rebuild once a repo is accessed again.
https://github.com/restic/restic/pull/1436
* Enhancement #1439: Improve cancellation logic
The cancellation logic was improved, restic can now shut down cleanly when requested to do so
(e.g. via ctrl+c).
https://github.com/restic/restic/pull/1439
* Enhancement #11: Add the `diff` command
The command `diff` was added, it allows comparing two snapshots and listing all differences.
https://github.com/restic/restic/issues/11
https://github.com/restic/restic/issues/1460
https://github.com/restic/restic/pull/1462
Changelog for restic 0.8.0 (2017-11-26)
=======================================
The following sections list the changes in restic 0.8.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Sec #1445: Prevent writing outside the target directory during restore
* Fix #1256: Re-enable workaround for S3 backend
* Fix #1291: Reuse backend TCP connections to BackBlaze B2
* Fix #1317: Run prune when `forget --prune` is called with just snapshot IDs
* Fix #1437: Remove implicit path `/restic` for the s3 backend
* Enh #1102: Add subdirectory `ids` to fuse mount
* Enh #1114: Add `--cacert` to specify TLS certificates to check against
* Enh #1216: Add upload/download limiting
* Enh #1271: Cache results for excludes for `backup`
* Enh #1274: Add `generate` command, replaces `manpage` and `autocomplete`
* Enh #1367: Allow comments in files read from via `--file-from`
* Enh #448: Sftp backend prompts for password
* Enh #510: Add `dump` command
* Enh #1040: Add local metadata cache
* Enh #1249: Add `latest` symlink in fuse mount
* Enh #1269: Add `--compact` to `forget` command
* Enh #1281: Google Cloud Storage backend needs less permissions
* Enh #1319: Make `check` print `no errors found` explicitly
* Enh #1353: Retry failed backend requests
Details
-------
* Security #1445: Prevent writing outside the target directory during restore
A vulnerability was found in the restic restorer, which allowed attackers in special
circumstances to restore files to a location outside of the target directory. Due to the
circumstances we estimate this to be a low-risk vulnerability, but urge all users to upgrade to
the latest version of restic.
Exploiting the vulnerability requires a Linux/Unix system which saves backups via restic and
a Windows systems which restores files from the repo. In addition, the attackers need to be able
to create create files with arbitrary names which are then saved to the restic repo. For
example, by creating a file named "..\test.txt" (which is a perfectly legal filename on Linux)
and restoring a snapshot containing this file on Windows, it would be written to the parent of
the target directory.
We'd like to thank Tyler Spivey for reporting this responsibly!
https://github.com/restic/restic/pull/1445
* Bugfix #1256: Re-enable workaround for S3 backend
We've re-enabled a workaround for `minio-go` (the library we're using to access s3 backends),
this reduces memory usage.
https://github.com/restic/restic/issues/1256
https://github.com/restic/restic/pull/1267
* Bugfix #1291: Reuse backend TCP connections to BackBlaze B2
A bug was discovered in the library we're using to access Backblaze, it now reuses already
established TCP connections which should be a lot faster and not cause network failures any
more.
https://github.com/restic/restic/issues/1291
https://github.com/restic/restic/pull/1301
* Bugfix #1317: Run prune when `forget --prune` is called with just snapshot IDs
A bug in the `forget` command caused `prune` not to be run when `--prune` was specified without a
policy, e.g. when only snapshot IDs that should be forgotten are listed manually.
https://github.com/restic/restic/pull/1317
* Bugfix #1437: Remove implicit path `/restic` for the s3 backend
The s3 backend used the subdir `restic` within a bucket if no explicit path after the bucket name
was specified. Since this version, restic does not use this default path any more. If you
created a repo on s3 in a bucket without specifying a path within the bucket, you need to add
`/restic` at the end of the repository specification to access your repo:
`s3:s3.amazonaws.com/bucket/restic`
https://github.com/restic/restic/issues/1292
https://github.com/restic/restic/pull/1437
* Enhancement #1102: Add subdirectory `ids` to fuse mount
The fuse mount now has an `ids` subdirectory which contains the snapshots below their (short)
IDs.
https://github.com/restic/restic/issues/1102
https://github.com/restic/restic/pull/1299
https://github.com/restic/restic/pull/1320
* Enhancement #1114: Add `--cacert` to specify TLS certificates to check against
We've added the `--cacert` option which can be used to pass one (or more) CA certificates to
restic. These are used in addition to the system CA certificates to verify HTTPS certificates
(e.g. for the REST backend).
https://github.com/restic/restic/issues/1114
https://github.com/restic/restic/pull/1276
* Enhancement #1216: Add upload/download limiting
We've added support for rate limiting through `--limit-upload` and `--limit-download`
flags.
https://github.com/restic/restic/issues/1216
https://github.com/restic/restic/pull/1336
https://github.com/restic/restic/pull/1358
* Enhancement #1271: Cache results for excludes for `backup`
The `backup` command now caches the result of excludes for a directory.
https://github.com/restic/restic/issues/1271
https://github.com/restic/restic/pull/1326
* Enhancement #1274: Add `generate` command, replaces `manpage` and `autocomplete`
The `generate` command has been added, which replaces the now removed commands `manpage` and
`autocomplete`. This release of restic contains the most recent manpages in `doc/man` and the
auto-completion files for bash and zsh in `doc/bash-completion.sh` and
`doc/zsh-completion.zsh`
https://github.com/restic/restic/issues/1274
https://github.com/restic/restic/pull/1282
* Enhancement #1367: Allow comments in files read from via `--file-from`
When the list of files/dirs to be saved is read from a file with `--files-from`, comment lines
(starting with `#`) are now ignored.
https://github.com/restic/restic/issues/1367
https://github.com/restic/restic/pull/1368
* Enhancement #448: Sftp backend prompts for password
The sftp backend now prompts for the password if a password is necessary for login.
https://github.com/restic/restic/issues/448
https://github.com/restic/restic/pull/1270
* Enhancement #510: Add `dump` command
We've added the `dump` command which prints a file from a snapshot to stdout. This can e.g. be
used to restore files read with `backup --stdin`.
https://github.com/restic/restic/issues/510
https://github.com/restic/restic/pull/1346
* Enhancement #1040: Add local metadata cache
We've added a local cache for metadata so that restic doesn't need to load all metadata
(snapshots, indexes, ...) from the repo each time it starts. By default the cache is active, but
there's a new global option `--no-cache` that can be used to disable the cache. By deafult, the
cache a standard cache folder for the OS, which can be overridden with `--cache-dir`. The cache
will automatically populate, indexes and snapshots are saved as they are loaded. Cache
directories for repos that haven't been used recently can automatically be removed by restic
with the `--cleanup-cache` option.
A related change was to by default create pack files in the repo that contain either data or
metadata, not both mixed together. This allows easy caching of only the metadata files. The
next run of `restic prune` will untangle mixed files automatically.
https://github.com/restic/restic/issues/29
https://github.com/restic/restic/issues/738
https://github.com/restic/restic/issues/282
https://github.com/restic/restic/pull/1040
https://github.com/restic/restic/pull/1287
https://github.com/restic/restic/pull/1436
https://github.com/restic/restic/pull/1265
* Enhancement #1249: Add `latest` symlink in fuse mount
The directory structure in the fuse mount now exposes a symlink `latest` which points to the
latest snapshot in that particular directory.
https://github.com/restic/restic/pull/1249
* Enhancement #1269: Add `--compact` to `forget` command
The option `--compact` was added to the `forget` command to provide the same compact view as the
`snapshots` command.
https://github.com/restic/restic/pull/1269
* Enhancement #1281: Google Cloud Storage backend needs less permissions
The Google Cloud Storage backend no longer requires the service account to have the
`storage.buckets.get` permission ("Storage Admin" role) in `restic init` if the bucket
already exists.
https://github.com/restic/restic/pull/1281
* Enhancement #1319: Make `check` print `no errors found` explicitly
The `check` command now explicetly prints `No errors were found` when no errors could be found.
https://github.com/restic/restic/issues/1303
https://github.com/restic/restic/pull/1319
* Enhancement #1353: Retry failed backend requests
https://github.com/restic/restic/pull/1353
Changelog for restic 0.7.3 (2017-09-20)
=======================================
The following sections list the changes in restic 0.7.3 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1246: List all files stored in Google Cloud Storage
Details
-------
* Bugfix #1246: List all files stored in Google Cloud Storage
For large backups stored in Google Cloud Storage, the `prune` command fails because listing
only returns the first 1000 files. This has been corrected, no data is lost in the process. In
addition, a plausibility check was added to `prune`.
https://github.com/restic/restic/issues/1246
https://github.com/restic/restic/pull/1247
Changelog for restic 0.7.2 (2017-09-13)
=======================================
The following sections list the changes in restic 0.7.2 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1167: Do not create a local repo unless `init` is used
* Fix #1164: Make the `key remove` command behave as documented
* Fix #1191: Make sure to write profiling files on interrupt
* Enh #1132: Make `key` command always prompt for a password
* Enh #1179: Resolve name conflicts, append a counter
* Enh #1218: Add `--compact` to `snapshots` command
* Enh #317: Add `--exclude-caches` and `--exclude-if-present`
* Enh #697: Automatically generate man pages for all restic commands
* Enh #1044: Improve `restore`, do not traverse/load excluded directories
* Enh #1061: Add Dockerfile and official Docker image
* Enh #1126: Use the standard Go git repository layout, use `dep` for vendoring
* Enh #1134: Add support for storing backups on Google Cloud Storage
* Enh #1144: Properly report errors when reading files with exclude patterns
* Enh #1149: Add support for storing backups on Microsoft Azure Blob Storage
* Enh #1196: Add `--group-by` to `forget` command for flexible grouping
* Enh #1203: Print stats on all BSD systems when SIGINFO (ctrl+t) is received
* Enh #1205: Allow specifying time/date for a backup with `--time`
Details
-------
* Bugfix #1167: Do not create a local repo unless `init` is used
When a restic command other than `init` is used with a local repository and the repository
directory does not exist, restic creates the directory structure. That's an error, only the
`init` command should create the dir.
https://github.com/restic/restic/issues/1167
https://github.com/restic/restic/pull/1182
* Bugfix #1164: Make the `key remove` command behave as documented
https://github.com/restic/restic/pull/1164
* Bugfix #1191: Make sure to write profiling files on interrupt
Since a few releases restic had the ability to write profiling files for memory and CPU usage
when `debug` is enabled. It was discovered that when restic is interrupted (ctrl+c is
pressed), the proper shutdown hook is not run. This is now corrected.
https://github.com/restic/restic/pull/1191
* Enhancement #1132: Make `key` command always prompt for a password
The `key` command now prompts for a password even if the original password to access a repo has
been specified via the `RESTIC_PASSWORD` environment variable or a password file.
https://github.com/restic/restic/issues/1132
https://github.com/restic/restic/pull/1133
* Enhancement #1179: Resolve name conflicts, append a counter
https://github.com/restic/restic/issues/1179
https://github.com/restic/restic/pull/1209
* Enhancement #1218: Add `--compact` to `snapshots` command
The option `--compact` was added to the `snapshots` command to get a better overview of the
snapshots in a repo. It limits each snapshot to a single line.
https://github.com/restic/restic/issues/1218
https://github.com/restic/restic/pull/1223
* Enhancement #317: Add `--exclude-caches` and `--exclude-if-present`
A new option `--exclude-caches` was added that allows excluding cache directories (that are
tagged as such). This is a special case of a more generic option `--exclude-if-present` which
excludes a directory if a file with a specific name (and contents) is present.
https://github.com/restic/restic/issues/317
https://github.com/restic/restic/pull/1170
https://github.com/restic/restic/pull/1224
* Enhancement #697: Automatically generate man pages for all restic commands
https://github.com/restic/restic/issues/697
https://github.com/restic/restic/pull/1147
* Enhancement #1044: Improve `restore`, do not traverse/load excluded directories
https://github.com/restic/restic/pull/1044
* Enhancement #1061: Add Dockerfile and official Docker image
https://github.com/restic/restic/pull/1061
* Enhancement #1126: Use the standard Go git repository layout, use `dep` for vendoring
The git repository layout was changed to resemble the layout typically used in Go projects,
we're not using `gb` for building restic any more and vendoring the dependencies is now taken
care of by `dep`.
https://github.com/restic/restic/pull/1126
* Enhancement #1134: Add support for storing backups on Google Cloud Storage
https://github.com/restic/restic/issues/211
https://github.com/restic/restic/pull/1134
https://github.com/restic/restic/pull/1052
* Enhancement #1144: Properly report errors when reading files with exclude patterns
https://github.com/restic/restic/pull/1144
* Enhancement #1149: Add support for storing backups on Microsoft Azure Blob Storage
The library we're using to access the service requires Go 1.8, so restic now needs at least Go
1.8.
https://github.com/restic/restic/issues/609
https://github.com/restic/restic/pull/1149
https://github.com/restic/restic/pull/1059
* Enhancement #1196: Add `--group-by` to `forget` command for flexible grouping
https://github.com/restic/restic/pull/1196
* Enhancement #1203: Print stats on all BSD systems when SIGINFO (ctrl+t) is received
https://github.com/restic/restic/pull/1203
https://github.com/restic/restic/pull/1082#issuecomment-326279920
* Enhancement #1205: Allow specifying time/date for a backup with `--time`
https://github.com/restic/restic/pull/1205
Changelog for restic 0.7.1 (2017-07-22)
=======================================
The following sections list the changes in restic 0.7.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1115: Fix `prune`, only include existing files in indexes
* Enh #1055: Create subdirs below `data/` for local/sftp backends
* Enh #1067: Allow loading credentials for s3 from IAM
* Enh #1073: Add `migrate` cmd to migrate from `s3legacy` to `default` layout
* Enh #1081: Clarify semantic for `--tasg` for the `forget` command
* Enh #1080: Ignore chmod() errors on filesystems which do not support it
* Enh #1082: Print stats on SIGINFO on Darwin and FreeBSD (ctrl+t)
Details
-------
* Bugfix #1115: Fix `prune`, only include existing files in indexes
A bug was found (and corrected) in the index rebuilding after prune, which led to indexes which
include blobs that were not present in the repo any more. There were already checks in place
which detected this situation and aborted with an error message. A new run of either `prune` or
`rebuild-index` corrected the index files. This is now fixed and a test has been added to detect
this.
https://github.com/restic/restic/pull/1115
* Enhancement #1055: Create subdirs below `data/` for local/sftp backends
The local and sftp backends now create the subdirs below `data/` on open/init. This way, restic
makes sure that they always exist. This is connected to an issue for the sftp server.
https://github.com/restic/restic/issues/1055
https://github.com/restic/rest-server/pull/11#issuecomment-309879710
https://github.com/restic/restic/pull/1077
https://github.com/restic/restic/pull/1105
* Enhancement #1067: Allow loading credentials for s3 from IAM
When no S3 credentials are specified in the environment variables, restic now tries to load
credentials from an IAM instance profile when the s3 backend is used.
https://github.com/restic/restic/issues/1067
https://github.com/restic/restic/pull/1086
* Enhancement #1073: Add `migrate` cmd to migrate from `s3legacy` to `default` layout
The `migrate` command for changing the `s3legacy` layout to the `default` layout for s3
backends has been improved: It can now be restarted with `restic migrate --force s3_layout`
and automatically retries operations on error.
https://github.com/restic/restic/issues/1073
https://github.com/restic/restic/pull/1075
* Enhancement #1081: Clarify semantic for `--tasg` for the `forget` command
https://github.com/restic/restic/issues/1081
https://github.com/restic/restic/pull/1090
* Enhancement #1080: Ignore chmod() errors on filesystems which do not support it
https://github.com/restic/restic/pull/1080
https://github.com/restic/restic/pull/1112
* Enhancement #1082: Print stats on SIGINFO on Darwin and FreeBSD (ctrl+t)
https://github.com/restic/restic/pull/1082
Changelog for restic 0.7.0 (2017-07-01)
=======================================
The following sections list the changes in restic 0.7.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Fix #1013: Switch back to using the high-level minio-go API for s3
* Fix #965: Switch to `default` repo layout for the s3 backend
* Enh #1021: Detect invalid backend name and print error
* Enh #1029: Remove invalid pack files when `prune` is run
* Enh #512: Add Backblaze B2 backend
* Enh #636: Add dirs `tags` and `hosts` to fuse mount
* Enh #989: Improve performance of the `find` command
* Enh #975: Add new backend for OpenStack Swift
* Enh #998: Improve performance of the fuse mount
Details
-------
* Bugfix #1013: Switch back to using the high-level minio-go API for s3
For the s3 backend we're back to using the high-level API the s3 client library for uploading
data, a few users reported dropped connections (which the library will automatically retry
now).
https://github.com/restic/restic/issues/1013
https://github.com/restic/restic/issues/1023
https://github.com/restic/restic/pull/1025
* Bugfix #965: Switch to `default` repo layout for the s3 backend
The default layout for the s3 backend is now `default` (instead of `s3legacy`). Also, there's a
new `migrate` command to convert an existing repo, it can be run like this: `restic migrate
s3_layout`
https://github.com/restic/restic/issues/965
https://github.com/restic/restic/pull/1004
* Enhancement #1021: Detect invalid backend name and print error
Restic now tries to detect when an invalid/unknown backend is used and returns an error
message.
https://github.com/restic/restic/issues/1021
https://github.com/restic/restic/pull/1070
* Enhancement #1029: Remove invalid pack files when `prune` is run
The `prune` command has been improved and will now remove invalid pack files, for example files
that have not been uploaded completely because a backup was interrupted.
https://github.com/restic/restic/issues/1029
https://github.com/restic/restic/pull/1036
* Enhancement #512: Add Backblaze B2 backend
https://github.com/restic/restic/issues/512
https://github.com/restic/restic/pull/978
* Enhancement #636: Add dirs `tags` and `hosts` to fuse mount
The fuse mount now has two more directories: `tags` contains a subdir for each tag, which in turn
contains only the snapshots that have this tag. The subdir `hosts` contains a subdir for each
host that has a snapshot, and the subdir contains the snapshots for that host.
https://github.com/restic/restic/issues/636
https://github.com/restic/restic/pull/1050
* Enhancement #989: Improve performance of the `find` command
Improved performance for the `find` command: Restic recognizes paths it has already checked
for the files in question, so the number of backend requests is reduced a lot.
https://github.com/restic/restic/issues/989
https://github.com/restic/restic/pull/993
* Enhancement #975: Add new backend for OpenStack Swift
https://github.com/restic/restic/pull/975
https://github.com/restic/restic/pull/648
* Enhancement #998: Improve performance of the fuse mount
Listing directories which contain large files now is significantly faster.
https://github.com/restic/restic/pull/998
Changelog for restic 0.6.1 (2017-06-01)
=======================================
The following sections list the changes in restic 0.6.1 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Enh #985: Allow multiple parallel idle HTTP connections
* Enh #981: Remove temporary path from binary in `build.go`
* Enh #974: Remove regular status reports
Details
-------
* Enhancement #985: Allow multiple parallel idle HTTP connections
Backends based on HTTP now allow several idle connections in parallel. This is especially
important for the REST backend, which (when used with a local server) may create a lot
connections and exhaust available ports quickly.
https://github.com/restic/restic/issues/985
https://github.com/restic/restic/pull/986
* Enhancement #981: Remove temporary path from binary in `build.go`
The `build.go` now strips the temporary directory used for compilation from the binary. This
is the first step in enabling reproducible builds.
https://github.com/restic/restic/pull/981
* Enhancement #974: Remove regular status reports
Regular status report: We've removed the status report that was printed every 10 seconds when
restic is run non-interactively. You can still force reporting the current status by sending a
`USR1` signal to the process.
https://github.com/restic/restic/pull/974
Changelog for restic 0.6.0 (2017-05-29)
=======================================
The following sections list the changes in restic 0.6.0 relevant to
restic users. The changes are ordered by importance.
Summary
-------
* Enh #957: Make `forget` consistent
* Enh #966: Unify repository layout for all backends
* Enh #962: Improve memory and runtime for the s3 backend
Details
-------
* Enhancement #957: Make `forget` consistent
The `forget` command was corrected to be more consistent in which snapshots are to be
forgotten. It is possible that the new code removes more snapshots than before, so please
review what would be deleted by using the `--dry-run` option.
https://github.com/restic/restic/issues/953
https://github.com/restic/restic/pull/957
* Enhancement #966: Unify repository layout for all backends
Up to now the s3 backend used a special repository layout. We've decided to unify the repository
layout and implemented the default layout also for the s3 backend. For creating a new
repository on s3 with the default layout, use `restic -o s3.layout=default init`. For further
commands the option is not necessary any more, restic will automatically detect the correct
layout to use. A future version will switch to the default layout for new repositories.
https://github.com/restic/restic/issues/965
https://github.com/restic/restic/pull/966
* Enhancement #962: Improve memory and runtime for the s3 backend
We've updated the library used for accessing s3, switched to using a lower level API and added
caching for some requests. This lead to a decrease in memory usage and a great speedup. In
addition, we added benchmark functions for all backends, so we can track improvements over
time. The Continuous Integration test service we're using (Travis) now runs the s3 backend
tests not only against a Minio server, but also against the Amazon s3 live service, so we should
be notified of any regressions much sooner.
https://github.com/restic/restic/pull/962
https://github.com/restic/restic/pull/960
https://github.com/restic/restic/pull/946
https://github.com/restic/restic/pull/938
https://github.com/restic/restic/pull/883
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