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1445 commits

Author SHA1 Message Date
Eelco Dolstra 7515617ad0 Backport getLine tests from lazy-trees 2023-01-11 13:49:39 +01:00
Eelco Dolstra d33d15a48b Put the --show-trace hint in the logical place 2023-01-02 20:53:58 +01:00
Eelco Dolstra 6b69652385 Merge remote-tracking branch 'origin/master' into coerce-string 2023-01-02 20:53:39 +01:00
Eelco Dolstra 64c60f7241 Fix CanonPath::dirOf() returning a string_view of a temporary 
https://hydra.nixos.org/build/202837872
 2022-12-23 15:32:54 +01:00
Eelco Dolstra 8332ac6a1d
Merge pull request #7451 from edolstra/abstract-pos 
Introduce AbstractPos
 2022-12-20 12:55:13 +01:00
Eelco Dolstra d00bfe4833
Merge pull request #7450 from edolstra/canon-path 
Add CanonPath wrapper to represent canonicalized paths
 2022-12-19 16:21:11 +01:00
Eelco Dolstra b3fdab28a2 Introduce AbstractPos 
This makes the position object used in exceptions abstract, with a
method getSource() to get the source code of the file in which the
error originated. This is needed for lazy trees because source files
don't necessarily exist in the filesystem, and we don't want to make
libutil depend on the InputAccessor type in libfetcher.
 2022-12-13 00:50:43 +01:00
Eelco Dolstra 900b854084 Add CanonPath wrapper to represent canonicalized paths 2022-12-12 19:57:32 +01:00
Florian Friesdorf 8618c6cc75 Simplify loop, feedback from @tfc and @Ericson2314 2022-12-12 18:41:00 +00:00
Florian Friesdorf d269976be6 Show stack trace above error message 
Save developers from scrolling by displaying the error message last,
below the stack trace.
 2022-12-12 18:41:00 +00:00
Florian Friesdorf 173dcb0af9 Don't reverse stack trace when showing 
When debugging nix expressions the outermost trace tends to be more useful
than the innermost. It is therefore printed last to save developers from
scrolling.
 2022-12-12 18:41:00 +00:00
Eelco Dolstra 786402365e Cleanup 2022-12-12 12:40:51 +01:00
Eelco Dolstra 8272cd9dec
Optimize string concatenation 
Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com>
 2022-12-12 12:36:19 +01:00
Eelco Dolstra 703d863a48 Trivial changes from the lazy-trees branch 2022-12-07 14:06:34 +01:00
Jörg Thalheim cccd57c022 getMaxCPU: fix cgroup path 
Given this typo I am not sure if it has been tested.
 2022-12-04 18:22:12 +01:00
Eelco Dolstra fa99ef6a87 getMaxCPU(): Lower verbosity level for ignored exceptions 
Fixes #7268.
 2022-12-02 15:03:40 +01:00
Eelco Dolstra 1e6a5d1ff6 Clean up cgroup handling in getMaxCPU() 
Also, don't assume in LocalDerivationGoal that cgroups are mounted on
/sys/fs/cgroup.
 2022-12-02 12:59:13 +01:00
Eelco Dolstra 1211e59a03 Move cgroup.{cc,hh} to libutil 2022-12-02 12:38:03 +01:00
Eelco Dolstra fbc53e97ed
Merge pull request #3600 from NixOS/auto-uid-allocation 
Automatic UID allocation
 2022-11-29 14:01:42 +01:00
Eelco Dolstra 653b32a78f Merge remote-tracking branch 'origin/master' into auto-uid-allocation 2022-11-21 11:33:23 +01:00
Eelco Dolstra 128910ba23 Separate cgroup support from auto-uid-allocation 
The new experimental feature 'cgroups' enables the use of cgroups for
all builds. This allows better containment and enables setting
resource limits and getting some build stats.
 2022-11-18 10:39:28 +01:00
Eelco Dolstra f1ab082ac4 createTempDir(): Use std::atomic 2022-11-18 09:37:11 +01:00
Yorick 09f00dd4d0
Replace src/libutil/json.cc with nlohmann json generation 2022-11-16 16:50:50 +01:00
Eelco Dolstra 6c6eff8ac4 Remove the SystemdCgroup feature 2022-11-10 17:24:12 +01:00
Eelco Dolstra 40911d7dec Remove stray tab 2022-11-04 13:30:35 +01:00
Eelco Dolstra b95faccf03 Merge remote-tracking branch 'origin/master' into auto-uid-allocation 2022-11-03 17:43:40 +01:00
Yorick 34ea0e2e7b
tarfile: set directory mode to at least 0500, don't extract fflags 
We don't need SGID, or any ACL's. We also want to keep every dir +rx.
 2022-11-01 16:01:38 +01:00
Guillaume Maudoux e93bf69b44 Rework error throwing, and test it 2022-10-25 01:46:10 +02:00
Guillaume Maudoux b945b844a9 Initial frames support 2022-10-17 03:05:02 +02:00
Guillaume Maudoux 3f9f6ae127 Merge remote-tracking branch 'origin/master' into coerce-string 2022-10-16 20:39:19 +02:00
squalus 223f8dace0 archive: check close errors when extracting nars 2022-09-22 12:50:32 -07:00
squalus 1b595026e1 Improve durability of schema version file writes 
- call close explicitly in writeFile to prevent the close exception
  from being ignored
- fsync after writing schema file to flush data to disk
- fsync schema file parent to flush metadata to disk

https://github.com/NixOS/nix/issues/7064
 2022-09-19 20:13:30 -07:00
Eelco Dolstra d365cced4f
Trim option descriptions 
This removes unintended blank lines in Markdown when the description
is a multiline string literal.
 2022-09-13 16:58:32 +02:00
Guillaume Maudoux eb460a9529 WIP: broken merge but need a git checkpoint 2022-09-07 00:34:03 +02:00
Eelco Dolstra bb411e4ae1 Fix progress bar flicker with -L 
This was caused by -L calling setLogFormat() again, which caused the
creation of a new progress bar without destroying the old one. So we
had two progress bars clobbering each other.

We should change 'logger' to be a smart pointer, but I'll do that in a
future PR.

Fixes #6931.
 2022-08-24 22:36:40 +02:00
Naïm Favier 8188b1d0ab
json: write null on abnormal placeholder destruction 
Avoids leaving dangling attributes like

    {
        "foo":
    }

in case of exceptions.
 2022-08-19 01:00:10 +02:00
Eelco Dolstra 53e7b7e8ac Remove warnLargeDump() 
This message was unhelpful (#1184) and probably misleading since
memory is O(1) in most cases now.
 2022-08-17 11:32:01 +02:00
Théophane Hufschmitt 5192bb093a Merge remote-tracking branch 'upstream/master' into fix-mv-in-different-filesystems 2022-08-08 15:42:56 +02:00
Théophane Hufschmitt f4a8426098 Remove the explicit c++fs linkage on darwin 
Doesn't seem needed on a recent-enough clang anymore (and even seems to
break stuff)
 2022-08-08 14:34:22 +02:00
Dave Nicponski cb6794a0d9 Do not spam logs if the owned-homedir check results in a noop 2022-08-07 10:13:11 -04:00
Eelco Dolstra ccbd906c86 Fix NIX_COUNT_CALLS=1 
Also, make the JSON writer support std::string_view.

Fixes #6857.
 2022-08-03 17:46:51 +02:00
Théophane Hufschmitt 1ba5b3e001 Make moveFile more atomic 
Rather than directly copying the source to its dest, copy it first to a
temporary location, and eventually move that temporary.
That way, the move is at least atomic from the point-of-view of the destination
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 90f9680733 Only use renameFile where needed 
In most places the fallback to copying isn’t needed and can actually be
bad, so we’d rather not transparently fallback
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt d71d9e9fbf moveFile -> renameFile 
`move` tends to have this `mv` connotation of “I will copy it for you if
needs be”
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt a4f0fd633c Link against c++fs on darwin 
Required by the old clang version
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt c5db1821a9 Re-implement the recursive directory copy 
The recursive copy from the stl doesn’t exactly do what we need because
1. It doesn’t delete things as we go
2. It doesn’t keep the mtime, which change the nars

So re-implement it ourselves. A bit dull, but that way we have what we want
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 6f89fb6008 rename: Fallback to a copy if the filesystems mismatch 
In `nix::rename`, if the call to `rename` fails with `EXDEV` (failure
because the source and the destination are in a different filesystems)
switch to copying and removing the source.

To avoid having to re-implement the copy manually, I switched the
function to use the c++17 `filesystem` library (which has a `copy`
function that should do what we want).

Fix #6262
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt c2de0a232c Create a wrapper around stdlib’s rename 
Directly takes some c++ strings, and gently throws an exception on error
(rather than having to inline this logic everywhere)
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 8119390abc Move some fs-related functions to their own file 
Unclutter `util.cc` a bit
 2022-08-03 10:27:25 +02:00
Théophane Hufschmitt 2805439335
Merge pull request #6814 from amjoseph-nixpkgs/pr/sandbox-error-messages 
local-derivation-goal.cc: improve error messages when sandboxing fails
 2022-07-22 13:27:52 +02:00