backup: support specifying volume instead of path on Windows

"C:" (volume name) versus "C:\" (path)
This commit is contained in:
Michael Eischer
2024-08-30 11:25:51 +02:00
parent a0f2dfbc19
commit 4fcedb4bae
3 changed files with 85 additions and 1 deletions

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Bugfix: Correctly handle passing volume name to `backup` command
On Windows, when the specified backup target only included the volume
name without a trailing slash, for example, `C:`, then restoring the
resulting snapshot would result in an error. Note that using `C:\`
as backup target worked correctly.
Specifying volume names now works correctly.
To restore snapshots created before this bugfix, use the `<snapshot>:<subpath>`
syntax. For a snapshot with ID `12345678` and a backup of `C:`, the following
command can be used:
```
restic restore 12345678:/C/C:./ --target output/folder
```
https://github.com/restic/restic/issues/2004
https://github.com/restic/restic/pull/5028