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37 Commits

Author SHA1 Message Date
Michael Eischer 6b17a7110c backup: Set O_NOATIME in the right place 
The archiver uses FS.OpenFile, where FS is an instance of the FS
interface. This is different from fs.OpenFile, which uses the OpenFile
method provided by the fs package.
 2022-02-06 15:00:37 +01:00
greatroar 7080fed7ae Set O_NOATIME flag on Linux 
Citing Kerrisk, The Linux Programming Interface:

    The O_NOATIME flag is intended for use by indexing and backup
    programs. Its use can significantly reduce the amount of disk
    activity, because repeated disk seeks back and forth across the
    disk are not required to read the contents of a file and to update
    the last access time in the file’s i-node[.]

restic used to do this, but the functionality was removed along with the
fadvise call in #670.
 2022-02-06 15:00:34 +01:00
greatroar ea04f40eb3 Save cached files to a temporary location first 2021-08-04 22:02:42 +02:00
Alexander Neumann 0858fbf6aa Add more error handling 2021-01-30 20:19:47 +01:00
fgma f9223cd827 vss: fix DeleteSnapshots() and GetSnapshotProperties() on 386 2020-11-12 19:31:00 +01:00
fgma 916b2d303b
vss: fix potential crash (not reachable in restic) (#3045) 
HasSufficientPrivilegesForVSS() now returns an error
 2020-11-04 22:14:18 +01:00
greatroar c2f3eee5af Don't separately allocate sync.{Mutex,Once} if not necessary 
Separate allocation of synchronization devices suggests they're shared
between objects, but they're not.
 2020-11-04 09:55:43 +01:00
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 0d65b78168 Simplify os.ModeType|os.ModeCharDevice => os.ModeType 
Since Go 1.12, ModeCharDevice is included in ModeType:
golang/go@a2a3dd00c9
 2020-09-21 14:21:32 +02:00
greatroar 95ebba85ff Remove stray Printf from internal/fs 2020-09-21 14:21:32 +02:00
greatroar 59b343a9bf Remove OS-specific versions of fs.MkdirAll 
Go has supported Windows paths correctly since 1.11, see
https://github.com/golang/go/issues/10900 and the commit referenced
there.
 2020-09-21 14:21:32 +02:00
greatroar 1557c58eef Fix and simplify fs.Reader 
fakeDir.{Readdir,Readdirnames} weren't handling the case n == 0
correctly. fakeFileInfo.sys is always nil, so omit the field.
 2020-09-21 14:21:32 +02:00
greatroar c504aa505c Remove unused fs.Rename 2020-09-21 14:21:32 +02:00
greatroar 1b20f6beec Remove io.Writer from fs.File 
It was only used in a single test, which now uses plain *os.File instead.
 2020-09-21 14:21:32 +02:00
greatroar 9abef3bf1a Move internal/fs.TestChdir to internal/test.Chdir 2020-09-17 10:43:33 +02:00
Alexander Neumann b67b7ebfe6
Merge pull request #2583 from greatroar/unused 
Remove some unused or duplicated code
 2020-03-01 10:46:17 +01:00
greatroar 4f6fd9fb98 Remove remnant of Go 1.9 compatibility code from tests 2020-02-26 22:23:38 +01:00
greatroar 79b882e901 Merge duplicated readdir functionality 
internal/archiver.readdir and internal/fs.ReadDir were unused.

internal/fs.ReadDirNames and internal/archiver.readdirnames were doing
nearly the same thing, except one sorted its output and opened with
fs.O_NOFOLLOW. Both were only used in internal/archiver.
 2020-02-26 11:05:38 +01:00
Alexandr Bruyako 16eeed2ad5 simplified string sorting by using a more suitable function 2019-06-30 23:20:32 +03:00
Garry McNulty 8066195e6e fs: Handle absolute pathname for --stdin-filename 
Return valid directory info from Lstat() for parent directories of the
specified filename. Previously only "/" and "." were valid directories.

Also set directory mode as this is checked by archiver.

Closes #2063
 2019-05-08 15:21:27 +02:00
Garry McNulty f7f14cf8c9 fs: Add file info base name check in reader tests (#2063) 2019-05-08 15:21:27 +02:00
Garry McNulty 5096f3b491 fs: Update directory check in reader tests (#2063) 2019-05-08 15:21:27 +02:00
Courtney Bane b8c2544dcb Examine file ctime when checking if files have changed. 2019-04-23 21:54:35 -05:00
Alexander Neumann c4fbf2c779 Return error when reading zero byte from stdin 
This commit changes the internal file system implementation for reading
data from stdin, it now returns an error when no bytes could be read. I
think it's worth failing in this case, the user instructed restic to
read some data from stdin, and no data was read at all. Maybe it was in
a pipe and some earlier stage failed.

See #2135 for a short discussion.
 2019-01-06 14:52:20 +01:00
Alexander Neumann 83c51db903 fs: Add helper functions ReadDir/ReadDirNames 2018-06-20 22:53:53 +02:00
Iku Iwasa f080142137 Support NetBSD without fuse 2018-06-16 15:55:04 +09:00
Alexander Neumann bc68d55e94 fs: Add TestTempFile 2018-05-01 14:38:41 +02:00
Alexander Neumann 19b9c881ca fs: Add O_NONBLOCK 2018-04-30 15:34:58 +02:00
Alexander Neumann c4b2486b7c fs: Add interface and FS implementations 
This adds two implementations of the new `FS` interface: One for the local
file system (`Local`) and one for a single file read from an
`io.Reader` (`Reader`).
 2018-04-22 11:37:05 +02:00
Alexander Neumann 0532f08048 Add test.Helper, also works with Go 1.8 2018-04-22 11:37:05 +02:00
Alexander Neumann a472868e06 fs: Add TestChdir() 2018-04-22 11:37:05 +02:00
Alexander Neumann e4fdc5eb76 fs: Add IsRegularFile() 2018-04-22 11:37:05 +02:00
Alexander Neumann aabc0ccaa7 fs: Make HasPathPrefix work with relative paths 2018-01-05 17:38:52 +01:00
Alexander Neumann fa893ee477 cache: Add detection code for old cache dirs 2017-11-24 20:53:26 +01:00
Alexander Neumann 5bf2228596 local: Fix creating data dirs 2017-09-11 21:48:25 +02:00
Alexander Neumann 6caeff2408 Run goimports 2017-07-23 14:21:03 +02:00
Alexander Neumann 83d1a46526 Moves files 2017-07-23 14:19:13 +02:00