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Generate CHANGELOG.md for 0.10.0
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Alexander Neumann
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CHANGELOG.md
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CHANGELOG.md
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Changelog for restic 0.10.0 (2020-09-19)
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=======================================
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The following sections list the changes in restic 0.10.0 relevant to
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restic users. The changes are ordered by importance.
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Summary
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-------
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* Fix #1863: Report correct number of directories processed by backup
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* Fix #2254: Fix tar issues when dumping `/`
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* Fix #2281: Handle format verbs like '%' properly in `find` output
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* Fix #2298: Do not hang when run as a background job
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* Fix #2389: Fix mangled json output of backup command
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* Fix #2390: Refresh lock timestamp
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* Fix #2429: Backup --json reports total_bytes_processed as 0
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* Fix #2469: Fix incorrect bytes stats in `diff` command
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* Fix #2518: Do not crash with Synology NAS sftp server
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* Fix #2531: Fix incorrect size calculation in `stats --mode restore-size`
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* Fix #2537: Fix incorrect file counts in `stats --mode restore-size`
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* Fix #2592: SFTP backend supports IPv6 addresses
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* Fix #2607: Honor RESTIC_CACHE_DIR environment variable on Mac and Windows
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* Fix #2668: Don't abort the stats command when data blobs are missing
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* Fix #2674: Add stricter prune error checks
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* Fix #2899: Fix possible crash in the progress bar of check --read-data
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* Chg #2482: Remove vendored dependencies
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* Chg #2546: Return exit code 3 when failing to backup all source data
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* Chg #2600: Update dependencies, require Go >= 1.13
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* Chg #1597: Honor the --no-lock flag in the mount command
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* Enh #1570: Support specifying multiple host flags for various commands
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* Enh #1680: Optimize `restic mount`
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* Enh #2072: Display snapshot date when using `restic find`
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* Enh #2175: Allow specifying user and host when creating keys
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* Enh #2277: Add support for ppc64le
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* Enh #2395: Ignore sync errors when operation not supported by local filesystem
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* Enh #2427: Add flag `--iexclude-file` to backup command
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* Enh #2569: Support excluding files by their size
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* Enh #2571: Self-heal missing file parts during backup of unchanged files
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* Enh #2858: Support filtering snapshots by tag and path in the stats command
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* Enh #323: Add command for copying snapshots between repositories
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* Enh #551: Use optimized library for hash calculation of file chunks
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* Enh #2195: Simplify and improve restore performance
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* Enh #2328: Improve speed of check command
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* Enh #2423: Support user@domain parsing as user
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* Enh #2576: Improve the chunking algorithm
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* Enh #2598: Improve speed of diff command
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* Enh #2599: Slightly reduce memory usage of prune and stats commands
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* Enh #2733: S3 backend: Add support for WebIdentityTokenFile
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* Enh #2773: Optimize handling of new index entries
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* Enh #2781: Reduce memory consumption of in-memory index
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* Enh #2786: Optimize `list blobs` command
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* Enh #2790: Optimized file access in restic mount
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* Enh #2840: Speed-up file deletion in forget, prune and rebuild-index
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Details
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-------
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* Bugfix #1863: Report correct number of directories processed by backup
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The directory statistics calculation was fixed to report the actual number of processed
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directories instead of always zero.
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https://github.com/restic/restic/issues/1863
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* Bugfix #2254: Fix tar issues when dumping `/`
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We've fixed an issue with dumping either `/` or files on the first sublevel e.g. `/foo` to tar.
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This also fixes tar dumping issues on Windows where this issue could also happen.
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https://github.com/restic/restic/issues/2254
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https://github.com/restic/restic/issues/2357
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https://github.com/restic/restic/pull/2255
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* Bugfix #2281: Handle format verbs like '%' properly in `find` output
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The JSON or "normal" output of the `find` command can now deal with file names that contain
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substrings which the Golang `fmt` package considers "format verbs" like `%s`.
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https://github.com/restic/restic/issues/2281
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* Bugfix #2298: Do not hang when run as a background job
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Restic did hang on exit while restoring the terminal configuration when it was started as a
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background job, for example using `restic ... &`. This has been fixed by only restoring the
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terminal configuration when restic is interrupted while reading a password from the
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terminal.
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https://github.com/restic/restic/issues/2298
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* Bugfix #2389: Fix mangled json output of backup command
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We've fixed a race condition in the json output of the backup command that could cause multiple
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lines to get mixed up. We've also ensured that the backup summary is printed last.
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https://github.com/restic/restic/issues/2389
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https://github.com/restic/restic/pull/2545
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* Bugfix #2390: Refresh lock timestamp
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Long-running operations did not refresh lock timestamp, resulting in locks becoming stale.
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This is now fixed.
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https://github.com/restic/restic/issues/2390
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* Bugfix #2429: Backup --json reports total_bytes_processed as 0
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We've fixed the json output of total_bytes_processed. The non-json output was already fixed
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with pull request #2138 but left the json output untouched.
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https://github.com/restic/restic/issues/2429
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* Bugfix #2469: Fix incorrect bytes stats in `diff` command
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In some cases, the wrong number of bytes (e.g. 16777215.998 TiB) were reported by the `diff`
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command. This is now fixed.
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https://github.com/restic/restic/issues/2469
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* Bugfix #2518: Do not crash with Synology NAS sftp server
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It was found that when restic is used to store data on an sftp server on a Synology NAS with a
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relative path (one which does not start with a slash), it may go into an endless loop trying to
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create directories on the server. We've fixed this bug by using a function in the sftp library
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instead of our own implementation.
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The bug was discovered because the Synology sftp server behaves erratic with non-absolute
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path (e.g. `home/restic-repo`). This can be resolved by just using an absolute path instead
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(`/home/restic-repo`). We've also added a paragraph in the FAQ.
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https://github.com/restic/restic/issues/2518
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https://github.com/restic/restic/issues/2363
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https://github.com/restic/restic/pull/2530
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* Bugfix #2531: Fix incorrect size calculation in `stats --mode restore-size`
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The restore-size mode of stats was counting hard-linked files as if they were independent.
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https://github.com/restic/restic/issues/2531
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* Bugfix #2537: Fix incorrect file counts in `stats --mode restore-size`
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The restore-size mode of stats was failing to count empty directories and some files with hard
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links.
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https://github.com/restic/restic/issues/2537
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* Bugfix #2592: SFTP backend supports IPv6 addresses
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The SFTP backend now supports IPv6 addresses natively, without relying on aliases in the
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external SSH configuration.
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https://github.com/restic/restic/pull/2592
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* Bugfix #2607: Honor RESTIC_CACHE_DIR environment variable on Mac and Windows
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On Mac and Windows, the RESTIC_CACHE_DIR environment variable was ignored. This variable can
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now be used on all platforms to set the directory where restic stores caches.
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https://github.com/restic/restic/pull/2607
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* Bugfix #2668: Don't abort the stats command when data blobs are missing
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Runing the stats command in the blobs-per-file mode on a repository with missing data blobs
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previously resulted in a crash.
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https://github.com/restic/restic/pull/2668
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* Bugfix #2674: Add stricter prune error checks
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Additional checks were added to the prune command in order to improve resiliency to backend,
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hardware and/or networking issues. The checks now detect a few more cases where such outside
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factors could potentially cause data loss.
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https://github.com/restic/restic/pull/2674
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* Bugfix #2899: Fix possible crash in the progress bar of check --read-data
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We've fixed a possible crash while displaying the progress bar for the check --read-data
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command. The crash occurred when the length of the progress bar status exceeded the terminal
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width, which only happened for very narrow terminal windows.
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https://github.com/restic/restic/pull/2899
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https://forum.restic.net/t/restic-rclone-pcloud-connection-issues/2963/15
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* Change #2482: Remove vendored dependencies
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We've removed the vendored dependencies (in the subdir `vendor/`). When building restic, the
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Go compiler automatically fetches the dependencies. It will also cryptographically verify
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that the correct code has been fetched by using the hashes in `go.sum` (see the link to the
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documentation below).
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https://github.com/restic/restic/issues/2482
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https://golang.org/cmd/go/#hdr-Module_downloading_and_verification
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* Change #2546: Return exit code 3 when failing to backup all source data
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The backup command used to return a zero exit code as long as a snapshot could be created
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successfully, even if some of the source files could not be read (in which case the snapshot
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would contain the rest of the files).
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This made it hard for automation/scripts to detect failures/incomplete backups by looking at
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the exit code. Restic now returns the following exit codes for the backup command:
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- 0 when the command was successful - 1 when there was a fatal error (no snapshot created) - 3 when
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some source data could not be read (incomplete snapshot created)
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https://github.com/restic/restic/issues/956
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https://github.com/restic/restic/issues/2064
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https://github.com/restic/restic/issues/2526
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https://github.com/restic/restic/issues/2364
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https://github.com/restic/restic/pull/2546
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* Change #2600: Update dependencies, require Go >= 1.13
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Restic now requires Go to be at least 1.13. This allows simplifications in the build process and
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removing workarounds.
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This is also probably the last version of restic still supporting mounting repositories via
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fuse on macOS. The library we're using for fuse does not support macOS any more and osxfuse is not
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open source any more.
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https://github.com/bazil/fuse/issues/224
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https://github.com/osxfuse/osxfuse/issues/590
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https://github.com/restic/restic/pull/2600
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https://github.com/restic/restic/pull/2852
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https://github.com/restic/restic/pull/2927
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* Change #1597: Honor the --no-lock flag in the mount command
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The mount command now does not lock the repository if given the --no-lock flag. This allows to
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mount repositories which are archived on a read only backend/filesystem.
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https://github.com/restic/restic/issues/1597
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https://github.com/restic/restic/pull/2821
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* Enhancement #1570: Support specifying multiple host flags for various commands
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Previously commands didn't take more than one `--host` or `-H` argument into account, which
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could be limiting with e.g. the `forget` command.
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The `dump`, `find`, `forget`, `ls`, `mount`, `restore`, `snapshots`, `stats` and `tag`
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commands will now take into account multiple `--host` and `-H` flags.
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https://github.com/restic/restic/issues/1570
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* Enhancement #1680: Optimize `restic mount`
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We've optimized the FUSE implementation used within restic. `restic mount` is now more
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responsive and uses less memory.
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https://github.com/restic/restic/issues/1680
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https://github.com/restic/restic/pull/2587
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https://github.com/restic/restic/pull/2787
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* Enhancement #2072: Display snapshot date when using `restic find`
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Added the respective snapshot date to the output of `restic find`.
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https://github.com/restic/restic/issues/2072
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* Enhancement #2175: Allow specifying user and host when creating keys
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When adding a new key to the repository, the username and hostname for the new key can be
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specified on the command line. This allows overriding the defaults, for example if you would
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prefer to use the FQDN to identify the host or if you want to add keys for several different hosts
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without having to run the key add command on those hosts.
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https://github.com/restic/restic/issues/2175
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* Enhancement #2277: Add support for ppc64le
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Adds support for ppc64le, the processor architecture from IBM.
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https://github.com/restic/restic/issues/2277
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* Enhancement #2395: Ignore sync errors when operation not supported by local filesystem
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The local backend has been modified to work with filesystems which doesn't support the `sync`
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operation. This operation is normally used by restic to ensure that data files are fully
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written to disk before continuing.
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For these limited filesystems, saving a file in the backend would previously fail with an
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"operation not supported" error. This error is now ignored, which means that e.g. an SMB mount
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on macOS can now be used as storage location for a repository.
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https://github.com/restic/restic/issues/2395
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https://forum.restic.net/t/sync-errors-on-mac-over-smb/1859
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* Enhancement #2427: Add flag `--iexclude-file` to backup command
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The backup command now supports the flag `--iexclude-file` which is a case-insensitive
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version of `--exclude-file`.
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https://github.com/restic/restic/issues/2427
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https://github.com/restic/restic/pull/2898
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* Enhancement #2569: Support excluding files by their size
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The `backup` command now supports the `--exclude-larger-than` option to exclude files which
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are larger than the specified maximum size. This can for example be useful to exclude
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unimportant files with a large file size.
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https://github.com/restic/restic/issues/2569
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https://github.com/restic/restic/pull/2914
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* Enhancement #2571: Self-heal missing file parts during backup of unchanged files
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We've improved the resilience of restic to certain types of repository corruption.
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For files that are unchanged since the parent snapshot, the backup command now verifies that
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all parts of the files still exist in the repository. Parts that are missing, e.g. from a damaged
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repository, are backed up again. This verification was already run for files that were
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modified since the parent snapshot, but is now also done for unchanged files.
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Note that restic will not backup file parts that are referenced in the index but where the actual
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data is not present on disk, as this situation can only be detected by restic check. Please
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ensure that you run `restic check` regularly.
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https://github.com/restic/restic/issues/2571
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https://github.com/restic/restic/pull/2827
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* Enhancement #2858: Support filtering snapshots by tag and path in the stats command
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We've added filtering snapshots by `--tag tagList` and by `--path path` to the `stats`
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command. This includes filtering of only 'latest' snapshots or all snapshots in a repository.
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https://github.com/restic/restic/issues/2858
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https://github.com/restic/restic/pull/2859
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https://forum.restic.net/t/stats-for-a-host-and-filtered-snapshots/3020
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* Enhancement #323: Add command for copying snapshots between repositories
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We've added a copy command, allowing you to copy snapshots from one repository to another.
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Note that this process will have to read (download) and write (upload) the entire snapshot(s)
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due to the different encryption keys used on the source and destination repository. Also, the
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transferred files are not re-chunked, which may break deduplication between files already
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stored in the destination repo and files copied there using this command.
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To fully support deduplication between repositories when the copy command is used, the init
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command now supports the `--copy-chunker-params` option, which initializes the new
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repository with identical parameters for splitting files into chunks as an already existing
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repository. This allows copied snapshots to be equally deduplicated in both repositories.
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https://github.com/restic/restic/issues/323
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https://github.com/restic/restic/pull/2606
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https://github.com/restic/restic/pull/2928
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* Enhancement #551: Use optimized library for hash calculation of file chunks
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We've switched the library used to calculate the hashes of file chunks, which are used for
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deduplication, to the optimized Minio SHA-256 implementation.
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Depending on the CPU it improves the hashing throughput by 10-30%. Modern x86 CPUs with the SHA
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Extension should be about two to three times faster.
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https://github.com/restic/restic/issues/551
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https://github.com/restic/restic/pull/2709
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* Enhancement #2195: Simplify and improve restore performance
|
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Significantly improves restore performance of large files (i.e. 50M+):
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https://github.com/restic/restic/issues/2074
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https://forum.restic.net/t/restore-using-rclone-gdrive-backend-is-slow/1112/8
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https://forum.restic.net/t/degraded-restore-performance-s3-backend/1400
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Fixes "not enough cache capacity" error during restore:
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https://github.com/restic/restic/issues/2244
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NOTE: This new implementation does not guarantee order in which blobs are written to the target
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files and, for example, the last blob of a file can be written to the file before any of the
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preceeding file blobs. It is therefore possible to have gaps in the data written to the target
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files if restore fails or interrupted by the user.
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The implementation will try to preallocate space for the restored files on the filesystem to
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prevent file fragmentation. This ensures good read performance for large files, like for
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example VM images. If preallocating space is not supported by the filesystem, then this step is
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silently skipped.
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https://github.com/restic/restic/pull/2195
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https://github.com/restic/restic/pull/2893
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* Enhancement #2328: Improve speed of check command
|
||||
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We've improved the check command to traverse trees only once independent of whether they are
|
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contained in multiple snapshots. The check command is now much faster for repositories with a
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large number of snapshots.
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https://github.com/restic/restic/issues/2284
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https://github.com/restic/restic/pull/2328
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* Enhancement #2423: Support user@domain parsing as user
|
||||
|
||||
Added the ability for user@domain-like users to be authenticated over SFTP servers.
|
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|
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https://github.com/restic/restic/pull/2423
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* Enhancement #2576: Improve the chunking algorithm
|
||||
|
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We've updated the chunker library responsible for splitting files into smaller blocks. It
|
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should improve the chunking throughput by 5-15% depending on the CPU.
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https://github.com/restic/restic/issues/2820
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https://github.com/restic/restic/pull/2576
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https://github.com/restic/restic/pull/2845
|
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|
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* Enhancement #2598: Improve speed of diff command
|
||||
|
||||
We've improved the performance of the diff command when comparing snapshots with similar
|
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content. It should run up to twice as fast as before.
|
||||
|
||||
https://github.com/restic/restic/pull/2598
|
||||
|
||||
* Enhancement #2599: Slightly reduce memory usage of prune and stats commands
|
||||
|
||||
The prune and the stats command kept directory identifiers in memory twice while searching for
|
||||
used blobs.
|
||||
|
||||
https://github.com/restic/restic/pull/2599
|
||||
|
||||
* Enhancement #2733: S3 backend: Add support for WebIdentityTokenFile
|
||||
|
||||
We've added support for EKS IAM roles for service accounts feature to the S3 backend.
|
||||
|
||||
https://github.com/restic/restic/issues/2703
|
||||
https://github.com/restic/restic/pull/2733
|
||||
|
||||
* Enhancement #2773: Optimize handling of new index entries
|
||||
|
||||
Restic now uses less memory for backups which add a lot of data, e.g. large initial backups. In
|
||||
addition, we've improved the stability in some edge cases.
|
||||
|
||||
https://github.com/restic/restic/pull/2773
|
||||
|
||||
* Enhancement #2781: Reduce memory consumption of in-memory index
|
||||
|
||||
We've improved how the index is stored in memory. This change can reduce memory usage for large
|
||||
repositories by up to 50% (depending on the operation).
|
||||
|
||||
https://github.com/restic/restic/pull/2781
|
||||
https://github.com/restic/restic/pull/2812
|
||||
|
||||
* Enhancement #2786: Optimize `list blobs` command
|
||||
|
||||
We've changed the implementation of `list blobs` which should be now a bit faster and consume
|
||||
almost no memory even for large repositories.
|
||||
|
||||
https://github.com/restic/restic/pull/2786
|
||||
|
||||
* Enhancement #2790: Optimized file access in restic mount
|
||||
|
||||
Reading large (> 100GiB) files from restic mountpoints is now faster, and the speedup is
|
||||
greater for larger files.
|
||||
|
||||
https://github.com/restic/restic/pull/2790
|
||||
|
||||
* Enhancement #2840: Speed-up file deletion in forget, prune and rebuild-index
|
||||
|
||||
We've sped up the file deletion for the commands forget, prune and rebuild-index, especially
|
||||
for remote repositories. Deletion was sequential before and is now run in parallel.
|
||||
|
||||
https://github.com/restic/restic/pull/2840
|
||||
|
||||
|
||||
Changelog for restic 0.9.6 (2019-11-22)
|
||||
=======================================
|
||||
|
||||
|
|
@ -1360,11 +1824,11 @@ Details
|
|||
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 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.
|
||||
a Windows systems which restores files from the repo. In addition, the attackers need to be able
|
||||
to 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!
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue