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temp is essentially the old TempDir code from nman, but using libc's
mkdtemp(3) directly instead of mktemp(1) and a slightly better API.
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This is a complete and user interface compatible rewrite of nman.go in
Rust which aleviates a few flaws of the previous implementation:
* Garbage collector roots for both the derivation and the build outputs
are created in a temporary directory which is cleaned afterwards. This
prevents a race condition between nman and nix-store --gc and doesn't
pollute the user's working directory.
* Instead of building just one build output, nman now checks every
output for the requested man page which fixes nman for derivations
which have their man pages split between multiple outputs, e. g. man
and devman.
Future work:
* Improve error messages reported to the user
* Man page
* Implement man page search heuristics if no section is specified:
Instead of falling back to section 1, all sections should be checked
for the desired page (in an ascending order?)
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testRustSimple builds and runs the tests of a buildRustCrate derivation
automatically using drvSeqL, returning its non-test variant.
Really looking forward to pkgs.tvl :)
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Small wrapper around duplicity to restore/create my backups with.
The legosi backup is created by `services.duplicity`, but can be
restored from the script via the read-only application key.
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This reverts commit 5bd756eaf27882820cb59e0ecf9c305f08b3b3e3.
Committed more than I meant to.
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sway needs opengl driver's to be enabled and loadable in order to start.
I previously didn't notice this oversight as I still had them loaded and
did not reboot after the rebuild.
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Upstream is deprecating `stdenv.lib`, so let’s do the same.
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Small script to deploy my machines.
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Dumb wrapper around `nix-instantiate` for something I often need.
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Small tool which takes a block of nix options that should produce a
script to run, and then calls the script with the rest of argv
e nix-run { -A foobar } a b c
calls `nix-build -A foobar && ./result a b c`.
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Improvements to filterSourceGitignore were made.
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I'm not familiar with the "easy-dhall-nix" project, but the repository
is imported into Vuizvui via import-from-derivation. While this by
itself is not a big issue (apart from contributing hugely to evaluation
time, we're already at around an hour), the "dhall-nix" derivation is in
turn imported again via importDhall, so whenever something breaks with
dhall-nix, our evaluation will break as well.
Unfortunately, something is broken right now:
building '/nix/store/c363947v9qk287d07qj2kpj60rmzwalj-dhall-nix-1.1.14-x86_64-linux.tar.bz2.drv'...
trying https://github.com/dhall-lang/dhall-haskell/releases/download/1.32.0/dhall-nix-1.1.14-x86_64-linux.tar.bz2
% Total % Received % Xferd Average Speed Time Time Time Current
Dload Upload Total Spent Left Speed
100 648 100 648 0 0 2592 0 --:--:-- --:--:-- --:--:-- 2581
100 2255k 100 2255k 0 0 1639k 0 0:00:01 0:00:01 --:--:-- 6287k
hash mismatch in fixed-output derivation '/nix/store/yhls1ffnvp1nbjsm0xr3l1z6j6x4waqh-dhall-nix-1.1.14-x86_64-linux.tar.bz2':
wanted: sha256:1j32jf0is0kikfw7h9w3n8ikw70bargr32d1cyasqgmb7s7mvs1c
got: sha256:1qs5p05qfk5xs1ajwyhn27m0bzs96lnlf3b4gnkffajhaq7hiqll
cannot build derivation '/nix/store/aj5ag721b9gm4an6yxh2ljg19ixg4alv-dhall-nix-simple.drv': 1 dependencies couldn't be built
The reason why this happens is because GitHub's tarballs are not
deterministic and whenever GitHub changes something in the way these are
generated, we get a hash mismatch.
For exactly that reason, the fetchFromGitHub wrapper in nixpkgs uses
fetchzip instead of fetchurl, so that file ordering in the archive
doesn't matter.
Unfortunately, the upstream project still uses fetchurl, but since the
URLs and hashes have changed due to a bump to Dhall version 1.33.1, I've
choosen to switch to latest master instead of monkeypatching via
extraPostFetch.
With this bandaid, we shouldn't run into a hash collision until either
the next GC or until the upstream project has switched to either
fetchFromGitHub or fetchzip.
Signed-off-by: aszlig <aszlig@nix.build>
Cc: @Profpatsch, @justinwoo
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I want to be able to open http(s) links that are e.g. images directly
in the right application. Aka web urls should be transparent, instead
of always opening everthing in the browser.
This adds some silly ways of connecting to the server and parsing
out the headers, in order to fetch the content-type.
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It’s a lot simpler to just export the parsed attribute as envvars.
Remove the substitute stuff (it already went into the el_substitute
lib anyway) and replace the xpathexec0 code with the function from the
el_exec lib.
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A small parser for http/https URLs.
Substitutes host/port/path in argv.
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el_exec: wraps the various execve wrappers in skalib that are useful
for writing execline-like utils. currently only `xpathexec0` is
supported, which execs into the argv you give it or errors with the
right error if file not found.
el_substitute: execline argv substitution! Wraps the execline
function, so it will behave exactly the same as the existing execline
utils, like `importas`.
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We can define a more or less complete generator in less than 50 lines
of nix. Nice.
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Less generic, has the spirit of “netstrings, but extended to a
structured encoding format”.
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Like a normal `import`, but for dhall files. `importDhall2` can
additionally handle dependencies and additional source files, though
the interface is not stable yet.
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Filesystem sandbox around zoom-us.
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The haskellPackages attribute is actually part of the package scope
inside pkgs.profpatsch and thus the evaluation fails with the following
error:
attribute 'vuizvui' missing, at .../pkgs/profpatsch/default.nix:176:20
Referencing the attribute directly from within the recursive attribute
set fixes the evaluation error and building dhall-flycheck also
succeeds.
Signed-off-by: aszlig <aszlig@nix.build>
Cc: @Profpatsch
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It’s the easiest way to get recent statically compiled dhall
executables.
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This has been upstreamed to nixpkgs proper, as a C wrapper script, in
https://github.com/NixOS/nixpkgs/pull/71357
So we don’t even need bash to run execline anymore :P
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It previously copied nixpkgs to the store, because a `toString` was
missing.
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`runCommandLocal` was added to nixpkgs in
https://github.com/NixOS/nixpkgs/pull/74642
to speed up trivial `runCommand` derivations by always building them
locally. We have a few places where that’s good to use.
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Small sandboxing utility, which unshares the filesystem via
user-namespaces and can optionally bind-mount existing paths into the
sandbox.
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