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5187 Commits

Author SHA1 Message Date
Alexander Neumann 7f86eb4ec0 Move helper function 2020-11-03 16:42:21 +01:00
Alexander Neumann c1a3de4a6e Refactor max-unused calculation, add `unlimited` option 
Add a callback to the PruneOptions struct which calculates the number of
bytes allowed to be unused after prune is done. This way, the logic is
closer to the option parsing code.

Also, add an explicit option `unlimited` for the use case when storage
does not matter but bandwidth and time do. Internally, this sets the
maximum number of unused bytes to MaxUint64.

Rework the documentation slightly so that no more "packs" are
mentioned and it talks about "files" instead.

Make it clear in the documentation that the percentage given to
`--max-unused` is relative to the whole repository size after pruning is
done. If specified, it must be below 100%, otherwise the repository
would contain 100% of unused data, which is pointless.

I had a hard time coming up with the correct formula to calculate the
maximum number of unused bytes based on the number of used bytes. For a
fraction `p` (0 ≤ p < 1), a repo with `u` bytes used, and the number of
unused bytes `x` the following holds:

      x ≤ p * (u+x)
    ⇔ x ≤ p*u + p*x
    ⇔ x - p*x ≤ p*u
    ⇔ x * (1-p) ≤ p*u
    ⇔ x ≤ p/(1-p) * u
 2020-11-03 16:42:21 +01:00
Alexander Neumann f8c4dd7b1a Split packe rewrite logic into two case branches 
The comma is too sublte, let's split this into two separate branches.
 2020-11-03 16:42:21 +01:00
Alexander Neumann a5b80452fe Add comment that usedBlobs is modified 2020-11-03 16:42:21 +01:00
Alexander Neumann aff1e220f5 Split struct members, add comments 2020-11-03 16:42:21 +01:00
Alexander Neumann 095155d9ce Remove RepackSmall 2020-11-03 16:42:21 +01:00
Alexander Neumann 1dd9fdce74 Reword changelog slightly 2020-11-03 16:42:21 +01:00
Alexander Weiss b2f5381737 Make realistic forget --prune --dryrun 2020-11-03 16:42:21 +01:00
Alexander Weiss 7f9a0a5907 Reimplementation of prune 2020-11-03 16:42:21 +01:00
Alexander Weiss 3b591ed987 Add Verboseff 2020-11-03 16:42:21 +01:00
Alexander Weiss ce7d613749 Add Blob.Handle() 2020-11-03 16:42:21 +01:00
Alexander Weiss 581d90cf91 Make some pack parameters public 2020-11-03 16:42:21 +01:00
Alexander Neumann 0db9024aad
Merge pull request #3052 from restic/error-on-invalid-size 
Return an error for invalid sizes
 2020-11-03 12:13:49 +01:00
Alexander Neumann 21ba15577e Return an error for invalid sizes 2020-11-03 11:53:49 +01:00
Alexander Neumann 2fb1957ca4 Rewrite README as Markdown 2020-11-03 09:20:09 +01:00
Alexander Neumann 9a88fb253b
Merge pull request #3051 from greatroar/sanitize-env 
Sanitize environment before starting backend processes (rclone, ssh)
 2020-11-02 21:18:57 +01:00
Alexander Neumann f14436953a
Merge pull request #3050 from greatroar/widechars 
Fix string truncation in ui/termstatus
 2020-11-02 16:58:51 +01:00
greatroar 11fbaaae9a Sanitize environment before starting backend processes (rclone, ssh) 
The restic security model includes full trust of the local machine, so
this should not fix any actual security problems, but it's better to be
safe than sorry.

Fixes #2192.
 2020-11-02 16:41:23 +01:00
greatroar 3ed84ff0c6 Fix string truncation in ui/termstatus 
Fixes #3046.
 2020-11-02 12:50:49 +01:00
Alexander Neumann 8e965ed4eb
Merge pull request #3039 from MichaelEischer/tar-proper-dirs 
Properly dump directories to tar
 2020-11-02 12:30:26 +01:00
Alexander Neumann 5f0fa2129e Improve readability 
It's time to use a switch statement.
 2020-11-02 11:24:26 +01:00
Alexander Neumann 04dfa19c7e Improve changelog 2020-11-02 11:23:09 +01:00
Alexander Neumann 6509c207f4
Merge pull request #2997 from MichaelEischer/faster-excludes 
Speedup exclude/include checking
 2020-11-02 11:07:21 +01:00
Alexander Neumann 445b845267
Merge pull request #2978 from MichaelEischer/warn-tree-error 
Warn if backup failed to read tree blob
 2020-11-02 10:14:12 +01:00
Alexander Neumann 3ff37215df
Merge pull request #2935 from MichaelEischer/upgrade-minio 
Upgrade minio SDK to version 7
 2020-11-02 09:09:10 +01:00
MichaelEischer 5d379b5359
Merge pull request #3042 from rubiojr/remove-unused-function 
Remove unused function
 2020-11-01 21:55:22 +01:00
Sergio Rubio e708628cfd
Remove unused function 
Not currently used, and it'd need to be added to the MasterIndex interface first.
 2020-10-28 13:24:49 +01:00
MichaelEischer bb4b3481a6
Merge pull request #3031 from greatroar/debug-no-seek 
Allow debug logging to pipes and terminals
 2020-10-25 17:59:06 +01:00
MichaelEischer ad3a52e6f0
Merge pull request #3026 from greatroar/refactor-ui 
internal/ui refactoring
 2020-10-25 17:51:39 +01:00
rawtaz e8b4d8d8bc
Merge pull request #2998 from greatroar/env-docs 
Systematize documentation of environment variables
 2020-10-24 22:49:31 +02:00
Michael Eischer 1aa61e6def Add changelog 2020-10-24 22:49:29 +02:00
Michael Eischer 8d7d6ad2d5 dump: include username in tar 2020-10-24 22:42:01 +02:00
Michael Eischer fe09e6f865 dump: test proper permissions and directory name 2020-10-24 22:42:01 +02:00
Michael Eischer 1e3c9a2c11 dump: Fix file permission to tar mapping 
The file permissions included a go specific directory bit which
accidentially forced the usage of the GNU header format. This leads
to problems with 7zip on Windows or when extended attributes are
used.
 2020-10-24 22:42:01 +02:00
Michael Eischer e21dcb0eea dump: Additional ACL tests 2020-10-24 22:41:01 +02:00
MichaelEischer 31b8d7a639
Merge pull request #2274 from fgma/master 
Support for Volume Shadow Copy Service (VSS) on windows
 2020-10-24 15:43:34 +02:00
fgma 5695f9ebd2 vss: Implement VSS support for Windows 
The VSS support works for 32 and 64-bit windows, this includes a check that
the restic version matches the OS architecture as required by VSS. The backup
operation will fail the user has not sufficient permissions to use VSS.

Snapshotting volumes also covers mountpoints but skips UNC paths.
 2020-10-24 11:35:57 +02:00
greatroar 8091151638 doc: Update restic mount availability and requirements 
NetBSD doesn't support restic mount either, so it's easier to list the
positive cases. Also noted that FUSE for macOS is required on the Mac.
 2020-10-22 09:57:30 +02:00
greatroar ae179ee63e Systematize documentation of environment variables 
Cache locations were documented inconsistently in three places.

The backup docs mentioned PATH being used to find fusermount, which is
never run by restic backup. It now mentions ssh and rclone, which are
used by backends.

The notion of a "system-wide" environment variable makes no sense.
TMPDIR is now mentioned because it allows for optimization and may
have security implications.
 2020-10-22 09:57:30 +02:00
MichaelEischer 0590e3e12d
Merge pull request #3035 from greatroar/no-unmount-on-failure 
restic mount: don't umount unless we actually tried to mount
 2020-10-21 22:10:42 +02:00
greatroar 3807d13bdc restic mount: don't umount unless we actually tried to mount 
Previously, failure to open a repository would result in an "unable to
umount" message.
 2020-10-21 12:15:05 +02:00
greatroar 63be3704d9 Allow debug logging to pipes and terminals 2020-10-19 22:30:30 +02:00
greatroar 35419de232 Simplify ui.StdioWrapper.Write 
Instead of looping to find line breaks, make it look for the last one.
 2020-10-17 20:30:46 +02:00
greatroar 863a590a81 Refactor termstatus.Term.{Print,Error} methods 2020-10-17 20:30:46 +02:00
greatroar 7c0b6a82db Remove unused public method ui.linesWriter.Flush 2020-10-17 20:30:24 +02:00
MichaelEischer 96a912b65a
Merge pull request #3025 from aawsome/fix-index-ids 
Fix setting of ID in DecodeIndex
 2020-10-17 09:54:45 +02:00
Alexander Weiss b44ecde8b0 Fix setting of ID in DecodeIndex 2020-10-17 09:12:58 +02:00
MichaelEischer 39fe1e96fe
Merge pull request #3018 from greatroar/background-check 
Fix IsProcessBackground on Linux with stdin redirection
 2020-10-16 22:50:19 +02:00
MichaelEischer 4ba237bb93
Merge pull request #3019 from greatroar/refactor-decodeindex 
Refactor index decoding
 2020-10-15 23:22:33 +02:00
MichaelEischer ce87fbd7dc
Merge pull request #3022 from greatroar/refactor-runworkers 
Defer channel closing outside repository.RunWorkers
 2020-10-14 22:44:42 +02:00