Commit graph

822 commits

Author SHA1 Message Date
Michael Eischer
cf81f8ced6 stats: only check for hardlinks for files with more than one link 2024-03-28 21:29:27 +01:00
Michael Eischer
21cf38fe96 add changelog for deviceID only for hardlinks 2024-03-28 19:32:50 +01:00
Michael Eischer
6ac7519188 add changelog for rest unix socket support 2024-03-28 17:41:41 +01:00
Michael Eischer
98a6817d01 add changelog for legacy index deprecation 2024-03-09 18:35:00 +01:00
Michael Eischer
fe68d2cafb add feature flag documentation 2024-03-09 17:29:52 +01:00
Aneesh Nireshwalia
5764300022
Add changelog and fix lint error 2024-02-24 13:47:49 -07:00
Aneesh Nireshwalia
c0a1b9ada5
Update docs for security descriptors 2024-02-24 13:28:18 -07:00
Michael Eischer
6a13e451b1 document snapshot statistics 2024-02-23 22:32:04 +01:00
Aneesh Nireshwalia
e8211cb64a
Add changelog and update docs for windows attr 2024-02-22 17:59:56 -07:00
Brian Harring
b41107dcaf
Add changelog for SIGTERM bugfix.
Signed-off-by: Brian Harring <ferringb@gmail.com>
2024-02-19 11:31:48 +01:00
Michael Eischer
80754dbf0c
Merge pull request from MichaelEischer/ls-unified-json-output
ls: include standard `message_type` field in output
2024-02-18 15:47:41 +00:00
Michael Eischer
6fbb470835
Merge pull request from MichaelEischer/check-repair-packs
check: Suggest usage of `repair packs` if pack files are damaged
2024-02-17 15:54:07 +00:00
Michael Eischer
0a36d193d8 add changelog for enhanced repair packs 2024-02-12 21:43:35 +01:00
Michael Eischer
9e3703ded5 remove changelogs that are already included in restic 0.16.4 2024-02-12 20:39:31 +01:00
Michael Eischer
15d6fa1f83 dump: update docs for --target option 2024-02-10 18:39:06 +01:00
Srigovind Nayak
795d33b3ee key: move add, list, remove, passwd to sub-commands
docs: improve the sub-command docs

changelog: add the unreleased changelog for the key command updates

key: update integration tests
2024-02-06 01:47:43 +05:30
Michael Eischer
f5ffa40652 dump: minor cleanups 2024-02-05 20:10:52 +01:00
Srigovind Nayak
175c14b5c9 dump: add --target option 2024-02-05 20:10:52 +01:00
Alexander Neumann
6cd2804bff Prepare changelog for 0.16.4 2024-02-04 19:50:34 +01:00
Michael Eischer
a72c2b74f3 Apply changelog entry / documentation improvements from review 2024-02-04 19:10:06 +01:00
Michael Eischer
2a0bd2b637 rename --no-verify-pack to --no-extra-verify 2024-02-04 19:10:05 +01:00
Michael Eischer
4589da7eb9 add data verification changelog entry 2024-02-04 19:09:49 +01:00
Michael Eischer
29e1caf825 add changelog draft for data corruption on max compression 2024-02-04 19:05:51 +01:00
Michael Eischer
d5e662315a
Merge pull request from MichaelEischer/verify-integrity-on-upload
backup: verify blobs before upload
2024-02-04 18:04:27 +00:00
Michael Eischer
effe76aaf5
Merge pull request from MichaelEischer/workaround-compression-bug
Downgrade klauspost/compress to fix data corruption at max. compression
2024-02-04 18:03:34 +00:00
Michael Eischer
5957417b1f Apply changelog entry / documentation improvements from review 2024-02-04 18:55:41 +01:00
Michael Eischer
219d8e3c18 add changelog draft for data corruption on max compression 2024-02-04 18:11:48 +01:00
Michael Eischer
86b38a0b17 rename --no-verify-pack to --no-extra-verify 2024-02-04 17:01:05 +01:00
Michael Eischer
7d31180fe6 add data verification changelog entry 2024-02-04 15:48:11 +01:00
Michael Eischer
eaf9659efc
Merge pull request from numerigraphe/fix-key-add-id
Properly report the ID of newly added keys
2024-01-31 20:59:41 +00:00
Lionel Sausin
8fbe328371 Properly report the ID of newly added keys
Other commands like key list and key remove show the key's ID.

Showing the ID here lets users easily reuse the ID as a key hint for subsequent
commands.
In particular, a key hint is needed when the repository has many keys - otherwise
opening the repository may fail with "Fatal: maximum number of keys reached" even
when a proper password is provided.

Fixes 
2024-01-29 10:12:49 +01:00
Michael Eischer
5dca8a70d5 ls: include standard message_type field in output 2024-01-27 15:48:24 +01:00
Nils Decker
b2703a4089 add changelog for ls --ncdu 2024-01-27 13:17:15 +01:00
Michael Eischer
6cc2bec5dd apply suggestion from review 2024-01-23 19:09:04 +01:00
Michael Eischer
767c2539a0 backup: Improve help text for --stdin-from-command 2024-01-21 22:06:54 +01:00
Michael Eischer
a763a5c67d s3: minor cleanups for archive storage class handling 2024-01-20 11:25:28 +01:00
Vladislav Belous
8ca58b487c S3: do not set storage class for metadata when using archive storage 2024-01-20 11:04:15 +01:00
Michael Eischer
0b39940fdb walker: Remove ignoreTrees functionality
It was only used in two places:
- stats: apparently as a minor performance optimization, which is
  unlikely to be important
- find: filtered directories would be ignored. However, this
  optimization missed that it is possible that two directories have the
  exact same content. Such directories would be incorrectly ignored too.
  Example:
```
mkdir test test/a test/b
restic backup test
restic find latest test/b
-> incorrectly does not return anything
```

Thus, remove the functionality as it's apparently too complex to use
correctly.
2024-01-19 21:16:06 +01:00
Michael Eischer
03e06d0797 Merge branch 'patch-release' 2024-01-14 21:38:17 +01:00
Alexander Neumann
d987582594 Prepare changelog for 0.16.3 2024-01-14 20:21:19 +01:00
Leo R. Lundgren
ef2e473b99 doc: Polish changelogs 2024-01-10 00:19:07 +01:00
Michael Eischer
7b2de84763
Merge pull request from MichaelEischer/workaround-rclone-list-errors
rclone: Workaround for incorrect "not found" errors while listing files
2024-01-09 18:28:31 +01:00
Michael Eischer
e4bbde7036 rclone: Workaround for incorrect "not found" errors while listing files
rclone returns a "not found" error if an internal error occurs while
listing a folder. Ignoring this error lets restic erroneously think that
there are no files, which can cause `prune` to wipe the whole
repository.
2024-01-09 18:28:17 +01:00
Michael Eischer
ec0fb46f6c add changelog for reliable restores 2024-01-09 18:27:48 +01:00
Michael Eischer
c31e9418ba
Merge pull request from MichaelEischer/reliable-large-restores
Improve reliability of large restores
2024-01-09 18:23:09 +01:00
Michael Eischer
2e8de9edfd rclone: Workaround for incorrect "not found" errors while listing files
rclone returns a "not found" error if an internal error occurs while
listing a folder. Ignoring this error lets restic erroneously think that
there are no files, which can cause `prune` to wipe the whole
repository.
2024-01-09 18:20:16 +01:00
Michael Eischer
620518aec6 add changelog for better restore error reporting 2024-01-08 21:33:05 +01:00
Michael Eischer
a9446c1184 add changelog for irregular files on windows 2024-01-08 21:33:05 +01:00
Michael Eischer
d4b8abd3e2 fix deduplicated files on windows 2024-01-08 21:33:05 +01:00
Michael Eischer
4ea3796455 add changelog for reliable restores 2024-01-08 21:03:10 +01:00
Michael Eischer
77434c6e2b
Merge pull request from ekristen/aws-assume-role
Allow AWS Assume Role
2024-01-08 19:07:17 +00:00
Michael Eischer
4248c6c3ca s3: update documentation 2024-01-07 19:30:11 +01:00
Michael Eischer
e4a7eb09ef
Merge pull request from MichaelEischer/better-restorer-error-reporting
Improver restorer error reporting
2024-01-07 11:20:29 +01:00
Michael Eischer
f8b4e932ef
Merge pull request from MichaelEischer/improve-irregular-file-handling
Improve irregular file handling
2024-01-07 11:12:07 +01:00
Michael Eischer
100872308f add changelog for better restore error reporting 2024-01-07 11:06:42 +01:00
Michael Eischer
3e29f8dddf add changelog for irregular files on windows 2024-01-07 10:52:12 +01:00
Michael Eischer
76f507c775
Merge pull request from MichaelEischer/fix-windows-dedup-files
Fix backup of deduplicated files on windows
2024-01-07 10:44:50 +01:00
Michael Eischer
6ef23b401b fix deduplicated files on windows 2024-01-07 10:23:31 +01:00
Erik Kristensen
5ffb536aae feat: support AWS assume role 2024-01-06 21:19:58 +01:00
Daniel Danner
a7dc18e697 Add bitrot detection to "diff" command
This introduces a new modifier to the output of the diff command. It
appears whenever two files being compared only differ in their content
but not in their metadata. As far as we know, under normal
circumstances, this should only ever happen if some kind of bitrot has
happened in the source file. The prerequisite for this detection to work
is that the right-side snapshot of the comparison has been created with
"backup --force".
2024-01-06 20:12:47 +01:00
Gabriel Kabbe
004520a238 rewrite: Add changelog 2023-12-24 15:36:22 +01:00
Sébastien Gross
f7587be28f mount: detect mountpoint does not exist before opening the repository
Bug  suggests that restic should not be nice to user and should
refrain from creating a mountpoint if it does not exist. Nevertheless,
it currently opens the repository before checking for the mountpoint's
existence. In the case of large or remote repositories, this process
can be time-consuming, delaying the inevitable outcome.

    /restic mount --repo=REMOTE --verbose /tmp/backup
    repository 33f14e42 opened (version 2, compression level max)
    [0:38] 100.00%  162 / 162 index files loaded
    Mountpoint /tmp/backup doesn't exist
    stat /tmp/backup: no such file or directory

    real	0m39.534s
    user	1m53.961s
    sys	0m3.044s

In this scenario, 40 seconds could have been saved if the nonexistence
of the path had been verified beforehand.

This patch relocates the mountpoint check to the beginning of the
runMount function, preceding the opening of the repository.

    /restic mount --repo=REMOTE --verbose /tmp/backup
    Mountpoint /tmp/backup doesn't exist
    stat /tmp/backup: no such file or directory

    real	0m0.136s
    user	0m0.018s
    sys	0m0.027s

Signed-off-by: Sébastien Gross <seb•ɑƬ•chezwam•ɖɵʈ•org>
2023-12-24 11:54:18 +01:00
Tobias Speicher
ce53ea32c6
Split go_target into go_os and go_arch 2023-11-01 22:43:38 +01:00
Tobias Speicher
6f1efcb28b
Update wording on changelog entry 2023-11-01 22:12:19 +01:00
Tobias Speicher
6ca07ee004
add changelog/unreleases for issue-4547 2023-10-31 19:39:52 +01:00
Alexander Neumann
c8dd95f104 Prepare changelog for 0.16.2 2023-10-29 19:50:04 +01:00
Leo R. Lundgren
7d980b469d doc: Polish changelogs 2023-10-29 00:44:53 +02:00
Michael Eischer
d863234e3e add changelog for missing documentation 2023-10-28 20:25:24 +02:00
Michael Eischer
5d152c7720 extend changelog for --stdin-from-command 2023-10-27 23:58:52 +02:00
Enrico204
6990b0122e Add issue-4251 (stdin-from-command) in the changelog 2023-10-27 23:58:51 +02:00
Michael Eischer
731b3a4357 stats: fix hardlink tracking in a snapshot
inodes are only unique within a device. Use the HardlinkIndex from the
restorer instead of the custom (broken) hashmap to correctly account for
both inode and deviceID.
2023-10-27 23:40:42 +02:00
Michael Eischer
4be45de1c2 Restore support for ARMv5 platforms 2023-10-27 19:52:14 +02:00
Michael Eischer
5166bde386 Only support ARMv6 on ARM platforms
Go 1.21 has switched the default from GOARM=5 to GOARM=7. So far there
have been complaints from Raspberry Pi 1 users, as the first raspberry
pi version only supports ARMv6. Exclude older ARM versions as these are
likely not relevant (rest-server also only supports ARMv6/7) and enforce
the use of software floating point emulation.
2023-10-27 19:12:12 +02:00
Michael Eischer
8e6fdf5edf
Merge pull request from awannabeengineer/load-retry-nonexistent
retry: Do not retry Load() if file does not exist
2023-10-25 20:42:05 +00:00
Alexander Neumann
d4d9c1b8f1 Prepare changelog for 0.16.1 2023-10-24 20:02:29 +02:00
Michael Eischer
ead8dd0173
Merge pull request from MichaelEischer/fix-autocompletion
Don't load password when autocompleting CLI commands
2023-10-23 20:06:53 +00:00
Michael Eischer
cd09ef4614 don't load password when autocompleting CLI commands 2023-10-23 21:44:22 +02:00
Leo R. Lundgren
6d19e0260d doc: Polish changelogs 2023-10-23 20:45:15 +02:00
Michael Eischer
85c15e6fa3 polish changelogs 2023-10-23 19:01:45 +02:00
Michael Eischer
8c20301172 update dependencies 2023-10-23 18:48:13 +02:00
Michael Eischer
efef38d0e8 drop support for Go 1.18 2023-10-23 18:30:38 +02:00
Michael Eischer
d00e72fed4 Update klauspost/compress to fix data corruption at maximum compression 2023-10-23 18:30:38 +02:00
Arash Farr
d15ffd9c92 retry: Do not retry Load() if file does not exist 2023-10-22 13:25:32 -05:00
Michael Eischer
ceff4af1ac Disable log output from automaxprocs library 2023-10-22 17:09:46 +02:00
Michael Eischer
7f05af02b9
Merge pull request from AgathaSorceress/add-rest-auth-env
Support reading basic auth credentials for REST server from environment variables
2023-10-21 17:41:08 +00:00
Michael Manganiello
41f70f1f4f backend/sftp: Add sftp.args option
Allow setting custom arguments for the `sftp` backend, by using the
`sftp.args` option. This is similar to the approach already implemented
in the `rclone` backend, to support new arguments without requiring
future code changes for each different SSH argument.

Closes 
2023-10-21 19:25:44 +02:00
Agatha V. Lovelace
2089c54310
changelog: add unreleased entry 2023-10-20 13:04:58 +02:00
Michael Gmelin
34f3b13b7c Make key list command honor --no-lock
Fixes 
2023-10-19 22:09:35 +02:00
Michael Eischer
495982232c
Merge pull request from dnnr/inode-in-json
Include inode in JSON output for find and ls
2023-10-17 21:06:34 +00:00
Michael Eischer
f5d5e8fd0a automatically adjust GOMAXPROCS when run in a cpu-constrained container 2023-10-17 20:31:57 +02:00
Daniel Danner
a858ab254b Include inode in JSON output for find and ls
This introduces the inode attribute to the JSON output emitted for nodes
in `ls` and matches in `find`. There doesn't seem to be any discernible
reason to omit the inode and it can be useful in scripting scenarios.
2023-10-11 21:10:01 +02:00
arjunajesh
b6593ad7df changelog 2023-10-01 19:53:26 +02:00
Alexander Neumann
9459328d8d Prepare changelog for 0.16.0 2023-07-31 20:22:50 +02:00
Michael Eischer
2a5b6af2e9 extend gc tweak changelog 2023-07-29 12:51:05 +02:00
Leo R. Lundgren
51e4e5ef82 doc: Polish changelog 2023-07-29 12:51:04 +02:00
Michael Eischer
e998314088 tweak changelog entries 2023-07-29 12:50:01 +02:00
Michael Eischer
95050117eb
Merge pull request from MichaelEischer/consistent-forget-policy
forget: replace `--keep-* -1` with `--keep-* unlimited`
2023-07-28 19:06:00 +00:00
Michael Eischer
50b43fbac0 forget: replace --keep-* -1 with --keep-* unlimited
This ensures consistency with the `prune --max-unused unlimited` option.
2023-07-28 19:21:40 +02:00
Michael Eischer
f689e2638d reenable aix builds 2023-07-27 21:27:31 +02:00
arjunajesh
32f5ee6f4e snapshots sorted by timestamp 2023-07-23 12:49:23 +02:00
Michael Eischer
6adb629608 Add support for non-utf8 symlink targets 2023-07-23 00:05:14 +02:00
Michael Eischer
25ff9fa893
Merge pull request from MichaelEischer/snapshot-subtree-syntax
Add support for snapshot:path syntax
2023-07-22 23:59:26 +02:00
Michael Eischer
55b440b520 tweak snapshot:subfolder docs 2023-07-22 23:50:17 +02:00
Michael Eischer
20e82d1fcf lock: add changelog for stale lock refresh 2023-07-22 23:23:17 +02:00
Michael Eischer
67f237b4f3 add changelog for snapshot:path syntax 2023-07-22 19:55:57 +02:00
Michael Eischer
47206a6579
Merge pull request from kenny-y-dev/human-readable-ls
Add --human-readable to ls and find output
2023-07-16 11:44:41 +00:00
Michael Eischer
5705326bb8 add changelog 2023-07-14 22:39:38 +02:00
Michael Eischer
e990d3d483 azure: Support authentication using managed / workload identity
See https://github.com/Azure/azure-sdk-for-go/tree/sdk/azidentity/v1.3.0/sdk/azidentity
2023-07-09 14:47:03 +02:00
Michael Eischer
6b82cce1bd add changelog for multiplatform containers 2023-07-08 23:16:14 +02:00
Michael Eischer
4d43509423
Merge pull request from chenxiaolong/symlink_xattrs
Add support for extended attributes on symlinks
2023-07-08 16:56:51 +00:00
Michael Eischer
cc3c218baf small cleanups for certificate environment variables 2023-07-08 09:44:59 +02:00
arjunajesh
c1578a2035 certificates can be passed through env vars 2023-07-08 09:44:59 +02:00
Michael Eischer
e703e89e9b add changelog for program version 2023-07-07 23:36:57 +02:00
Michael Eischer
bbac74b172 add program version to snapshot 2023-07-07 23:27:10 +02:00
Michael Eischer
e36d17a6f8 azure: tweak documentation for endpoint suffix 2023-07-07 23:10:26 +02:00
arjunajesh
068b115abc added azure domain parameter 2023-07-07 23:10:26 +02:00
Andrew Gunnerson
8c02ebb029
Add support for extended attributes on symlinks
Linux allows the use of non-`user.` extended attributes on symlinks. One
of the main users of this functionality is SELinux's `security.selinux`
xattr for storing a path's label. By storing symlink xattrs, restic is
now suitable for backing up the root filesystem on Linux distributions
that use SELinux.

This commit adds support for symlink xattrs when backing up data,
restoring data, and mounting snapshots via a fuse mount. All calls to
the xattr library have been updated to the use `L` variants of the
various functions, which always operate on the path given, without
following symlinks.

Fixes: 

Signed-off-by: Andrew Gunnerson <accounts+github@chiller3.com>
2023-06-19 14:37:31 -04:00
Michael Eischer
3888c21a27 reword changelog 2023-06-17 15:16:58 +02:00
Gautam Menghani
182b9796e4 Issue : Preserve oldest snapshot when keep-* values are not satisfied 2023-06-17 15:16:58 +02:00
Michael Eischer
4df77e9f26
Merge pull request from MichaelEischer/restore-json
Add JSON support for the restore progress bar
2023-06-16 23:53:17 +02:00
Michael Eischer
2545c84321
Merge pull request from MichaelEischer/ci-rework-build-tests
CI: rework build tests
2023-06-16 23:29:39 +02:00
Michael Eischer
191c47d30e
Merge pull request from MichaelEischer/tune-gc
Tune Go garbage collector
2023-06-16 23:24:39 +02:00
Michael Eischer
4d5ee987a7 add changelog about missing AIX builds 2023-06-16 23:19:36 +02:00
Michael Eischer
1531eab746 mention restore json support in changelog 2023-06-09 12:03:33 +02:00
DRON-666
74e4656850 Update changelog 2023-06-09 11:49:06 +03:00
Michael Eischer
0b908bb1fb Address review comments 2023-06-08 20:24:21 +02:00
Matt Armstrong
0372c7ef04 Improve the ETA displayed during backup
The ETA restic displays was based on a rate computed across the entire
backup operation. Often restic can progress at uneven rates. In the worst
case, restic progresses over most of the backup at a very high rate and
then finds new data to back up. The displayed ETA is then unrealistic and
never adapts.

Restic now estimates the transfer rate based on a sliding window, with the
goal of adapting to observed changes in rate. To avoid wild changes in the
estimate, several heuristics are used to keep the sliding window wide
enough to be relatively stable.
2023-06-08 20:05:56 +02:00
Michael Eischer
2beaa74892 tweak changelog 2023-06-08 19:12:26 +02:00
Michael Eischer
0f80b6a137 add changelog for gc tuning 2023-06-08 18:02:46 +02:00
Kenny Y
098de3554c
Add pull request link 2023-06-01 21:30:51 -04:00
Kenny Y
8812dcd56a
Add --human-readable to ls and find output
Modifies format module to add options for human readable storage size formatting, using size parsing already in ui/format.
Cmd flag --human-readable added to ls and find commands.
Additional option added to formatNode to support printing size in regular or new human readable format
2023-06-01 21:18:18 -04:00
Michael Eischer
06894484a1 shorten changelog title 2023-05-26 20:05:49 +02:00
sohalt
ed5b2c2c9b gs: support other regions than us 2023-05-26 19:54:42 +02:00
Michael Eischer
7eec91f841 add changelog 2023-05-26 19:23:51 +02:00
Michael Eischer
2f518b7241
Merge pull request from MichaelEischer/unlimited-lock-refresh
lock: Do not limit backend concurrency for lock files
2023-05-13 21:40:29 +02:00
Michael Eischer
d05f6211d1 lock: Do not limit backend concurrency for lock files
restic must be able to refresh lock files in time. However, large
uploads over slow connections can cause the lock refresh to be stuck
behind the large uploads and thus time out.
2023-05-08 19:04:46 +02:00
Michael Eischer
ee3c55ea3d
Merge pull request from aawsome/new-repair-command
Add repair command
2023-05-05 23:22:24 +02:00
Michael Eischer
6d10c655a0 termstatus: test status line sanitization 2023-05-05 22:51:41 +02:00
Michael Eischer
e71367e6b9 repair snapshots: update changelog 2023-05-01 16:06:17 +02:00
Alexander Weiss
6557f36f61 Add changelog and docu for 2023-05-01 14:56:42 +02:00
Michael Eischer
c8641f4479 Merge branch 'patch-release' 2023-04-24 20:44:38 +02:00
Alexander Neumann
0aaa4e6cbe Prepare changelog for 0.15.2 2023-04-24 20:28:24 +02:00
Leo R. Lundgren
0bac935dac doc: Polish changelogs 2023-04-23 22:10:04 +02:00
Michael Eischer
1e6e9f9bd0 tweak changelogs 2023-04-23 12:46:55 +02:00
greatroar
f342db7666 ui/termstatus: Quote funny filenames
Fixes , .
2023-04-23 12:45:40 +02:00
Michael Eischer
78a1757e5a Cancel current command if cache becomes unusable
If the cache suddenly disappears, the current command will now fail.
2023-04-23 11:31:15 +02:00
Michael Eischer
913eab3361
Merge pull request from thndrbrrr/forget-opts-neg1-means-forever-issue-2565
restic forget --keep-* options will interpret -1 as "forever"
2023-04-14 23:18:47 +02:00
Michael Eischer
48e065d971 Sync dependency upgrades from master
github.com/Azure/azure-sdk-for-go/sdk/storage/azblob still uses v0.5.1
as upgrading it would increase the minimum Go version on Solaris to
1.20.
2023-04-14 22:58:34 +02:00
Michael Eischer
fd3ed9e2f4
Merge pull request from greatroar/quote
ui/termstatus: Quote funny filenames
2023-04-14 22:39:09 +02:00
greatroar
3b24c15c3d fuse: Mix inode hashes in a non-symmetric way
Since 0.15 (), inodes are generated as hashes of names, xor'd with
the parent inode. That means that the inode of a/b/b is

	h(a/b/b) = h(a) ^ h(b) ^ h(b) = h(a).

I.e., the grandchild has the same inode as the grandparent. GNU find
trips over this because it thinks it has encountered a loop in the
filesystem, and fails to search a/b/b. This happens more generally when
the same name occurs an even number of times.

Fix this by multiplying the parent by a large prime, so the combining
operation is not longer symmetric in its arguments. This is what the FNV
hash does, which we used prior to 0.15. The hash is now

	h(a/b/b) = h(b) ^ p*(h(b) ^ p*h(a))

Note that we already ensure that h(x) is never zero.

Collisions can still occur, but they should be much less likely to occur
within a single path.

Fixes .
2023-04-14 20:50:39 +02:00