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26 commits

Author SHA1 Message Date
Alexander Neumann
200f09522d Add more error checks 2021-01-30 20:02:37 +01:00
Alexander Neumann
82ae942965 backup: Keep mountpoints for --one-file-system 
When a file system is mounted at a directory, lstat() returns attributes
of the root node of the mounted file system, including the device ID of
the other file system. The previous code used when --one-file-system is
specified excluded the directory itself because of that.

This commit changes the code so that mountpoints are kept as empty
directories, its attributes set to the root note of the mounted file
system. The behavior mimics `tar`, which does the same.
 2020-11-28 17:00:31 +01:00
Alexander Neumann
037f0a4c91 Refactor device ID checking 2020-11-28 17:00:31 +01:00
Alexander Neumann
21ba15577e Return an error for invalid sizes 2020-11-03 11:53:49 +01:00
Michael Eischer
bcc3bddcf4 filter: only check whether a child path could match when necessary 
When checking excludes there is no need to test whether a child path
could also match the pattern, as it is by definition excluded.
Previously childMayMatch was calculated but then discarded. For simple
absolute paths this can account for half the time spent for checking
pattern matches.

name                          old time/op    new time/op    delta
FilterPatterns/Relative-4       23.3ms ± 9%    21.7ms ± 6%   -6.68%  (p=0.004 n=10+10)
FilterPatterns/Absolute-4       13.9ms ± 7%    10.0ms ± 5%  -27.61%  (p=0.000 n=10+10)
FilterPatterns/Wildcard-4       51.4ms ± 7%    47.0ms ± 7%   -8.51%  (p=0.001 n=9+9)
FilterPatterns/ManyNoMatch-4     551ms ± 9%     190ms ± 1%  -65.41%  (p=0.000 n=10+8)

name                          old alloc/op   new alloc/op   delta
FilterPatterns/Relative-4       3.57MB ± 0%    3.57MB ± 0%     ~     (p=0.665 n=10+9)
FilterPatterns/Absolute-4       3.57MB ± 0%    3.57MB ± 0%     ~     (p=0.480 n=9+10)
FilterPatterns/Wildcard-4       14.3MB ± 0%    14.3MB ± 0%     ~     (p=0.431 n=9+10)
FilterPatterns/ManyNoMatch-4    3.57MB ± 0%    3.57MB ± 0%     ~     (all equal)

name                          old allocs/op  new allocs/op  delta
FilterPatterns/Relative-4        22.2k ± 0%     22.2k ± 0%     ~     (all equal)
FilterPatterns/Absolute-4        22.2k ± 0%     22.2k ± 0%     ~     (all equal)
FilterPatterns/Wildcard-4        88.7k ± 0%     88.7k ± 0%     ~     (all equal)
FilterPatterns/ManyNoMatch-4     22.2k ± 0%     22.2k ± 0%     ~     (all equal)
 2020-10-07 20:47:52 +02:00
Michael Eischer
375c2a56de filter: Parse filter patterns only once 
name                          old time/op    new time/op    delta
FilterPatterns/Relative-4       30.3ms ±10%    23.6ms ±20%  -22.12%  (p=0.000 n=10+10)
FilterPatterns/Absolute-4       49.0ms ± 3%    32.3ms ± 8%  -33.94%  (p=0.000 n=8+10)
FilterPatterns/Wildcard-4        345ms ± 9%     334ms ±17%     ~     (p=0.315 n=10+10)
FilterPatterns/ManyNoMatch-4     3.93s ± 2%     0.71s ± 7%  -81.98%  (p=0.000 n=9+10)

name                          old alloc/op   new alloc/op   delta
FilterPatterns/Relative-4       4.63MB ± 0%    3.57MB ± 0%  -22.98%  (p=0.000 n=9+9)
FilterPatterns/Absolute-4       8.54MB ± 0%    3.57MB ± 0%  -58.20%  (p=0.000 n=10+10)
FilterPatterns/Wildcard-4        146MB ± 0%     141MB ± 0%   -2.93%  (p=0.000 n=9+9)
FilterPatterns/ManyNoMatch-4     907MB ± 0%       4MB ± 0%  -99.61%  (p=0.000 n=9+9)

name                          old allocs/op  new allocs/op  delta
FilterPatterns/Relative-4        66.6k ± 0%     22.2k ± 0%  -66.67%  (p=0.000 n=10+10)
FilterPatterns/Absolute-4        88.7k ± 0%     22.2k ± 0%  -75.00%  (p=0.000 n=10+10)
FilterPatterns/Wildcard-4        1.70M ± 0%     1.63M ± 0%   -3.92%  (p=0.000 n=10+10)
FilterPatterns/ManyNoMatch-4     4.46M ± 0%     0.02M ± 0%  -99.50%  (p=0.000 n=10+10)
 2020-10-07 20:47:27 +02:00
greatroar
c4e2203e45 Check error in archiver before calling Select 
The archiver first called the Select function for a path before checking
whether the Lstat on that path actually worked. The RejectFuncs in
exclude.go worked around this by checking whether they received a nil
os.FileInfo. Checking first is more obvious and requires less code.
 2020-10-05 11:11:04 +02:00
yoshiera
3cf29a777d Fix nil check in rejectBySize 2020-09-21 19:20:24 +08:00
yoshiera
ac4b8c98ac Support excluding files by size 2020-09-19 19:52:09 +08:00
Michael Eischer
49b6aac3fa Use !bytes.Equal instead of bytes.Compare !=0 to check for inequality 2020-09-05 10:06:23 +02:00
Martin Michlmayr
5cc1760fdf
Fix typos 2020-05-16 14:05:26 +08:00
Johannes Hertenstein
cdc287a7f6 Store reference to reject function for insensitive pattern rejection 2019-01-19 11:08:13 +00:00
Johannes Hertenstein
db82e6b80c Add iexclude option to backup command 2018-11-25 13:32:16 +01:00
Andreas Skielboe
b07bb3d8c3 Reject files excluded by name before calling lstat to improve scan speed 
Adds a SelectByName method to the archive and scanner which only require
the filename as input, and can thus be run before calling lstat on the
file. Can speed up scanning significantly if a lot of filename excludes
are used.
 2018-08-12 17:51:12 +02:00
Mikael Berthe
a868a30f4d Fix restic backup --one-file-system / 
This patch should fix the following panic when trying to backup the
root filesystem with thre --one-file-system flag:

    % restic backup --one-file-system /
    (...)
    panic: item /, device id 2082 not found, allowedDevs: map[/:2082]
 2018-05-16 13:44:14 +02:00
Alexander Neumann
ef7747313d backup: Use absolute paths for allowed devices 2018-05-11 21:32:44 +02:00
Alexander Neumann
18d4ac2fd9 backup: Always use cleaned path for excludes 2018-05-11 21:32:41 +02:00
Fabian Wickborn
1ea518d5ef cmd/restic: Use a dedicated cache for each rejectIfPresent 2017-11-27 17:33:53 +01:00
Fabian Wickborn
f0f17db847 Cache evaluated directories in isExcludedByFile 
Fixes #1271.
 2017-10-06 22:11:22 +02:00
Alexander Neumann
610b676444 Automatically exclude current restic cache 2017-09-24 21:54:53 +02:00
Alexander Neumann
a8aa4eb06c Rename parameter filename -> path 2017-09-10 20:28:21 +02:00
Alexander Neumann
2fdca5d310 Improve debug message 2017-09-10 15:16:05 +02:00
Alexander Neumann
e117f613af Move device test into new RejectFunc 2017-09-10 15:13:40 +02:00
Alexander Neumann
0dfdf02885 Rework pattern excludes 2017-09-10 14:34:28 +02:00
Alexander Neumann
4a0129fc2b Rename excludeByFile -> rejectIfPresent 2017-09-10 14:25:58 +02:00
Alexander Neumann
a9c705009c Move reject functions to new file 2017-09-10 14:25:25 +02:00