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Add --prune switch to forget

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Alexander Neumann
2017-02-21 10:58:30 +01:00
parent 4e2f8145f5
commit 685f5ebbd1
3 changed files with 55 additions and 3 deletions
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doc/Manual.md
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@@ -545,7 +545,8 @@ be done either manually (by specifying a snapshot ID to remove) or by using a
policy that describes which snapshots to forget. For all remove operations, two
commands need to be called in sequence: `forget` to remove a snapshot and
`prune` to actually remove the data that was referenced by the snapshot from
the repository.
the repository. This can be automated with the `--prune` option of the `forget`
command, which runs `prune` automatically if snapshots have been removed.
## Remove a single snapshot
@@ -610,6 +611,41 @@ done
Afterwards the repository is smaller.
You can automate this two-step process by using the `--prune` switch to
`forget`:
```console
$ restic forget --keep-last 1 --prune
snapshots for host mopped, directories /home/user/work:
keep 1 snapshots:
ID Date Host Tags Directory
----------------------------------------------------------------------
4bba301e 2017-02-21 10:49:18 mopped /home/user/work
remove 1 snapshots:
ID Date Host Tags Directory
----------------------------------------------------------------------
8c02b94b 2017-02-21 10:48:33 mopped /home/user/work
1 snapshots have been removed, running prune
counting files in repo
building new index for repo
[0:00] 100.00% 37 / 37 packs
repository contains 37 packs (5521 blobs) with 151.012 MiB bytes
processed 5521 blobs: 0 duplicate blobs, 0B duplicate
load all snapshots
find data that is still in use for 1 snapshots
[0:00] 100.00% 1 / 1 snapshots
found 5323 of 5521 data blobs still in use, removing 198 blobs
will delete 0 packs and rewrite 27 packs, this frees 22.106 MiB
creating new index
[0:00] 100.00% 30 / 30 packs
saved new index as b49f3e68
done
```
## Removing snapshots according to a policy
Removing snapshots manually is tedious and error-prone, therefore restic allows
@@ -747,4 +783,4 @@ enter password for repository:
Restic supports the output of some commands in JSON format. The JSON flag ```--json``` is currently supported only by ```restic snapshots```.
```console
$ restic -r /tmp/backup snapshots --json```
$ restic -r /tmp/backup snapshots --json```