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Author SHA1 Message Date
Théophane Hufschmitt
2c47b08e17 Use the standalone gc lib in the default gc 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
fbec849281 Split the root finding in a separate library 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
bbde40af3e Make it easy to build a static nix-find-roots from this source tree 
Just `nix build .#nix-find-roots` (or `nix-build -A nix-find-roots`)
 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
80bb58b186 Properly get the temp roots when using the external gc daemon 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
2575dd4f19 Add some tests for the external gc daemon 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
dadc4a42c6 Make the gc socket path configurable 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
1d5d30b12f Make the root-tracer directly listen on a socket 
Complicates the code quite a bit (compared to letting systemd handle
that for us), but makes things much easier to test
 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
e1df6c220a Censor the gc roots that aren’t under stateDir 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
8f622ff71b Don’t fail when the store contains some invalid paths 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
f3b9d3fd88 Add a message if the external tracer isn’t available 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
9a3c3cb748 Make nix-collect-garbage use the trace socket 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
63159dd672 nix-find-roots: Fully disable on darwin 
Until I can understand why it’s not working
 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
4d9ca6d09e Fallback to the old mechanism if the gc socket isn’t found 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
26c802d18c Communicate with the gc daemon via a socket 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
aadf585ea3 Fix build on darwin 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
35c7d5d2f1 gc: Only track sensible paths from maps file 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
3839eb15d6 Also check the NixOS specific files 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
61c35a810b gc: Use the trace helper 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
93739ce006 Dump the whole file when scaning its content 
Dumping the fstream to a string just dumps a certain number of bits of
it, causing some references to be missed
 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
5d47c37cbc Track the runtime roots 
Everything that’s potentially accessed by a running program (its own
path, its environment, mmapped files, etc..)
 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
2e7f1d24a1 gc: Also track the original roots 
Will be required by `--print-roots` and friends
 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
c788718de1 Specialise for searching under $stateDir/{profiles,gcroots} 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
b4ab02ef13 Add an external executable to trace the gc roots back to the store 2022-04-13 10:24:53 +02:00
Théophane Hufschmitt
2253b9044c Merge branch 'client-side-profiles' 2022-04-13 10:24:50 +02:00
regnat
a3c17cfc73 Harden the user-envs-migration test 
Make sure that an absent `.nix-profile` at the begining doesn’t crash it
 2022-04-13 10:22:07 +02:00
regnat
303abee699 Test the migration of the user profiles 2022-04-13 10:22:07 +02:00
Théophane Hufschmitt
a2bcf35e0d Properly migrate the existing profiles 
Make sure that the default profile (including all its generations) are
still available after we move it to the user’s home directory
 2022-04-13 10:22:07 +02:00
regnat
be28cb9262 Migrate the old profiles to the new location 
Make sure that we don’t just create the new profiles directory, but that
we also migrate every existing profile to it.
 2022-04-13 10:13:43 +02:00
regnat
a3979e67f4 Move the default profiles to the user’s home 
Rather than using `/nix/var/nix/{profiles,gcroots}/per-user/`, put the user
profiles and gcroots under `$XDG_DATA_DIR/nix/{profiles,gcroots}`.

This means that the daemon no longer needs to manage these paths itself
(they are fully handled client-side). In particular, it doesn’t have to
`chown` them anymore (removing one need for root).

This does change the layout of the gc-roots created by nix-env, and is
likely to break some stuff, so I’m not sure how to properly handle that.
 2022-04-13 10:13:41 +02:00
Eelco Dolstra
5ed3a9db6a rl-2.7.md: Fix title 
(cherry picked from commit f98d76ff1a)
 2022-04-05 14:14:28 +02:00
Eelco Dolstra
c9afca59e8
Merge pull request #6297 from NixOS/backport-6296-to-2.7-maintenance 
[Backport 2.7-maintenance] Don't hide repeated values while generating manifest.nix
 2022-03-22 21:01:24 +01:00
Eelco Dolstra
0a26f9ae4a Don't hide repeated values while generating manifest.nix 
Fixes #6243.

(cherry picked from commit a0259a21a4)
 2022-03-22 13:09:47 +00:00
Eelco Dolstra
fc553fb632 printValue(): <REPEAT> -> «repeated» 
This ensures that it doesn't get parsed as a valid Nix expression.

(cherry picked from commit 732296ddc0)
 2022-03-22 13:09:47 +00:00
Eelco Dolstra
ffe155abd3 Mark official release 2022-03-07 20:11:22 +01:00
Eelco Dolstra
ad7c99ef20 Move rl-next.md to rl-2.7.md 2022-03-07 20:10:18 +01:00
Eelco Dolstra
504e3b2a8f Style 2022-03-07 20:07:43 +01:00
Eelco Dolstra
fa614fac7f Merge branch 'GuillaumeDesforges/issue6192' of https://github.com/GuillaumeDesforges/nix 2022-03-07 19:58:06 +01:00
Eelco Dolstra
0123b9aec8 Tweak release notes 2022-03-07 19:56:10 +01:00
Eelco Dolstra
30ddd37873 Merge branch 'cli-suggestions' of https://github.com/thufschmitt/nix 2022-03-07 19:47:45 +01:00
Guillaume Desforges
436c6e900f Explicit error in flake init/new when not in store 2022-03-07 17:57:52 +01:00
regnat
dcf4f77fac Merge or-suggestions.hh into suggestions.hh 
No real need for keeping a separate header for such a simple class.

This requires changing a bit `OrSuggestions<T>::operator*` to not throw
an `Error` to prevent a cyclic dependency. But since this error is only
thrown on programmer error, we can replace the whole method by a direct
call to `std::get` which will raise its own assertion if needs be.
 2022-03-07 17:49:02 +01:00
Eelco Dolstra
60a68a4fee
Merge pull request #6173 from hercules-ci/fix-mkString-for-empty-string-view 
Fix `mkString` for empty `string_view`
 2022-03-07 17:10:41 +01:00
Robert Hensing
da260f579d dupStringWithLen -> makeImmutableString 
Refactor the `size == 0` logic into a new helper function that
replaces dupStringWithLen.
The name had to change, because unlike a `dup`-function, it does
not always allocate a new string.
 2022-03-07 16:09:12 +01:00
Robert Hensing
bbf55383e7 Value::mkPath: Avoid potential crash from null string_view 2022-03-07 16:09:12 +01:00
Robert Hensing
1b978596b5 Value::mkString: Avoid crash from null string_view 2022-03-07 16:09:12 +01:00
Eelco Dolstra
c28e2b1b29 Tweak release notes 2022-03-07 11:30:40 +01:00
regnat
313bbc07a8 Implement operator<< for Suggestions 
That way there’s no need to explicitely convert it to a string when
printing it
 2022-03-07 10:09:10 +01:00
regnat
fd45d85b41 Move OrSuggestions to its own header 
Prevents a recursive inclusion
 2022-03-07 10:09:10 +01:00
regnat
b44cebd1fd Add a release-notes entry for the cli suggestions 2022-03-07 10:09:10 +01:00
regnat
91635206c0 Add some end-to-end tests for the suggestions 2022-03-07 10:09:10 +01:00