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Fetch flake-registry.json from channels.nixos.org
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Automatically use a chroot store if /nix doesn't exist
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Forbid the tilde expansion in pure eval mode
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eval-cache: cast rowId to correct type
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Using fastly is slightly faster, provides some resilience due to a
high stale TTL, and allows some usage metrics.
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Prevents errors when running with UBSan:
/nix/store/j5vhrywqmz1ixwhsmmjjxa85fpwryzh0-gcc-11.3.0/include/c++/11.3.0/bits/stl_pair.h:353:4: runtime error: load of value 229, which is not a valid value for type 'AttrType'
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This was unused everywhere (and even the official NixOS binary cache
did not produce .narinfo files containing a "System:" field).
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Co-authored-by: Cole Helbling <cole.e.helbling@outlook.com>
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Specifically, if we're not root and the daemon socket does not exist,
then we use ~/.local/share/nix/root as a chroot store. This enables
non-root users to download nix-static and have it work out of the box,
e.g.
ubuntu@ip-10-13-1-146:~$ ~/nix run nixpkgs#hello
warning: '/nix' does not exists, so Nix will use '/home/ubuntu/.local/share/nix/root' as a chroot store
Hello, world!
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Embed the sandbox shell into the statically linked 'nix' binary
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libstore: improve warning message on missing sig
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With this, Nix will write a copy of the sandbox shell to /bin/sh in
the sandbox rather than bind-mounting it from the host filesystem.
This makes /bin/sh work out of the box with nix-static, i.e. you no
longer get
/nix/store/qa36xhc5gpf42l3z1a8m1lysi40l9p7s-bootstrap-stage4-stdenv-linux/setup: ./configure: /bin/sh: bad interpreter: No such file or directory
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'build-remote' is now executed via /proc/self/exe so it always works.
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This allows changes to nix-cache-info to be picked up by existing
clients. Previously, the only way for this to happen would be for
clients to delete binary-cache-v6.sqlite, which is quite awkward for
users.
On the other hand, updates to nix-cache-info should be pretty rare,
hence the choice of a fairly long TTL. Configurability is probably not
useful enough to warrant implementing it.
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Will still exit with non-zero exit code and clearly prompt which files to merge:
```
nixx flake init -t github:numtide/devshell
wrote: /home/manu/dev/stuff/gopassbridge/.envrc
refusing to overwrite existing file '/home/manu/dev/stuff/gopassbridge/.gitignore'
-> merge manually with '/nix/store/ksmwhyghjwb4d9dw6hcpbvng1msdvjim-source/template/.gitignore'
wrote: /home/manu/dev/stuff/gopassbridge/devshell.toml
wrote: /home/manu/dev/stuff/gopassbridge/flake.nix
error: Encountered 1 conflicts - please merge manually
```
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Fix arity of `--exclude` flag in `nix search`
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Fix #6684
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virusdave/dnicponski/scratch/swap_homedir_check_master
Verify this if `$HOME` exists, it is owned by current user in `getHome()`
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Due to incorrectly using the Handler(vector<string>*) constructor the
`--exclude` flag would swallow all proceeding arguments instead of just
one.
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Allow `nix build flake1 flake2 --update-input <Tab>` to complete the
inputs of both flakes.
Also do tilde expansion so that `nix build ~/flake --update-input <Tab>`
works.
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Useful because a default `sudo` on darwin doesn't clear `$HOME`, so things like `sudo nix-channel --list`
will surprisingly return the USER'S channels, rather than `root`'s.
Other counterintuitive outcomes can be seen in this PR description:
https://github.com/NixOS/nix/pull/6622
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respect print-missing variable in new-style build command
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Clarifies that the substitute will be ignored/skipped.
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Co-authored-by: Théophane Hufschmitt <7226587+thufschmitt@users.noreply.github.com>
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Basically an attempt to resume fixing #5543 for a breakage introduced
earlier[1]. Basically, when evaluating an older `nixpkgs` with
`nix-shell` the following error occurs:
λ ma27 [~] → nix-shell -I nixpkgs=channel:nixos-18.03 -p nix
error: anonymous function at /nix/store/zakqwc529rb6xcj8pwixjsxscvlx9fbi-source/pkgs/top-level/default.nix:20:1 called with unexpected argument 'inNixShell'
at /nix/store/zakqwc529rb6xcj8pwixjsxscvlx9fbi-source/pkgs/top-level/impure.nix:82:1:
81|
82| import ./. (builtins.removeAttrs args [ "system" "platform" ] // {
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83| inherit config overlays crossSystem;
This is a problem because one of the main selling points of Nix is that
you can evaluate any old Nix expression and still get the same result
(which also means that it *still evaluates*). In fact we're deprecating,
but not removing a lot of stuff for that reason such as unquoted URLs[2]
or `builtins.toPath`. However this property was essentially thrown away
here.
The change is rather simple: check if `inNixShell` is specified in the
formals of an auto-called function. This means that
{ inNixShell ? false }:
builtins.trace inNixShell
(with import <nixpkgs> { }; makeShell { name = "foo"; })
will show `trace: true` while
args@{ ... }:
builtins.trace args.inNixShell
(with import <nixpkgs> { }; makeShell { name = "foo"; })
will throw the following error:
error: attribute 'inNixShell' missing
This is explicitly needed because the function in
`pkgs/top-level/impure.nix` of e.g. NixOS 18.03 has an ellipsis[3], but
passes the attribute-set on to another lambda with formals that doesn't
have an ellipsis anymore (hence the error from above). This was perhaps
a mistake, but we can't fix it anymore. This also means that there's
AFAICS no proper way to check if the attr-set that's passed to the Nix
code via `EvalState::autoCallFunction` is eventually passed to a lambda
with formals where `inNixShell` is missing.
However, this fix comes with a certain price. Essentially every
`shell.nix` that assumes `inNixShell` to be passed to the formals even
without explicitly specifying it would break with this[4]. However I think
that this is ugly, but preferable:
* Nix 2.3 was declared stable by NixOS up until recently (well, it still
is as long as 21.11 is alive), so most people might not have even
noticed that feature.
* We're talking about a way shorter time-span with this change being
in the wild, so the fallout should be smaller IMHO.
[1] https://github.com/NixOS/nix/commit/9d612c393abc3a73590650d24bcfe2ee57792872
[2] https://github.com/NixOS/rfcs/pull/45#issuecomment-488232537
[3] https://github.com/NixOS/nixpkgs/blob/release-18.03/pkgs/top-level/impure.nix#L75
[4] See e.g. the second expression in this commit-message or the changes
for `tests/ca/nix-shell.sh`.
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Overrides for inputs with flake=false were non-sticky, since they
changed the `original` in `flake.lock`. This fixes it, by using the same
locked original for both flake and non-flake inputs.
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Add security.csm to ignored-acls
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repl: `--option pure-eval true` actually enables pure eval mode
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fix(libstore/lock): support users that belong to more than 10 groups
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Add missing rethrows in conditional exception handlers
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nix-build: stop logger when appropriate
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nixos/nix#6290 introduced a regex pattern to account for tags when
resolving sourcehut refs. nixos/nix#4638 reafactored the code,
accidentally treating the pattern as a regular string, causing all
non-HEAD ref resolving to break.
This fixes the regression and adds more test cases to avoid future
breakage.
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Reverts b944b588fa280b0555b8269c0f6d097352f8716f in `nix-build.cc`.
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Signed-off-by: Anders Kaseorg <andersk@mit.edu>
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Right now this is not mentioned anywhere and it is unexpected.
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libfetchers/git: add missing `--git-dir` flags
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Avoids doing a O(n) copy of Strings i.e. std::list<std::string>
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The manpage for `getgrouplist` says:
> If the number of groups of which user is a member is less than or
> equal to *ngroups, then the value *ngroups is returned.
>
> If the user is a member of more than *ngroups groups, then
> getgrouplist() returns -1. In this case, the value returned in
> *ngroups can be used to resize the buffer passed to a further
> call getgrouplist().
In our original code, however, we allocated a list of size `10` and, if
`getgrouplist` returned `-1` threw an exception. In practice, this
caused the code to fail for any user belonging to more than 10 groups.
While unusual for single-user systems, large companies commonly have a
huge number of POSIX groups users belong to, causing this issue to crop
up and make multi-user Nix unusable in such settings.
The fix is relatively simple, when `getgrouplist` fails, it stores the
real number of GIDs in `ngroups`, so we must resize our list and retry.
Only then, if it errors once more, we can raise an exception.
This should be backported to, at least, 2.9.x.
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