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This default implementation of buildPaths() does nothing if all
requested paths are already valid, and throws an "unsupported
operation" error otherwise. This fixes a regression introduced by
c30330df6f67c81986dfb124631bc756c8e58c0d in binary cache and legacy
SSH stores.
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With catch-all rules, we hide potential errors.
It turns out that a4744254 made one cath-all useless. Flex detected that
is was impossible to reach.
The other is more subtle, as it can only trigger on unfinished escapes
in unfinished strings, which only occurs at EOF.
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http://hydra.nixos.org/build/52080911
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This caused "nix-store --import" to compute an incorrect hash on NARs
that don't fit in an unsigned int. The import would succeed, but
"nix-store --verify-path" or subsequent exports would detect an
incorrect hash.
A deeper issue is that the export/import format does not contain a
hash, so we can't detect such issues early.
Also, I learned that -Wall does not warn about this.
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Add Store nesting to fix import-from-derivation within filterSource
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So for instance "nix copy --to ... nixpkgs.hello" will build
nixpkgs.hello first. It's debatable whether this is a good idea. It
seems desirable for commands like "nix copy" but maybe not for
commands like "nix path-info".
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Thus
$ nix build -f foo.nix
will build foo.nix.
And
$ nix build
will build default.nix. However, this may not be a good idea because
it's kind of inconsistent, given that "nix build foo" will build the
"foo" attribute from the default installation source (i.e. the
synthesis of $NIX_PATH), rather than ./default.nix. So I may revert
this.
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So "nix path-info ./result" now works.
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This allows commands like 'nix path-info', 'nix copy', 'nix verify'
etc. to work on arbitrary installables. E.g. to copy geeqie to a
binary cache:
$ nix copy -r --to file:///tmp/binary-cache nixpkgs.geeqie
Or to get the closure size of thunderbird:
$ nix path-info -S nixpkgs.thunderbird
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This replaces "nix-instantiate --eval". The result is evaluated
strictly since this seems more useful.
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This restores pre-17.03 behaviour by making gcc available.
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this fixes a linker failure on cygwin 64 due to some bad
interaction between tls and shared libraries.
see: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64697
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Also, don't use lsof on Linux since it's not needed.
Fixes #1328.
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In particular, show descriptions. This could be used for manpage
generation etc.
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Fixes #1339.
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In particular, this disallows attribute names containing dots or
starting with dots. Hydra already disallowed these. This affects the
following packages in Nixpkgs master:
2048-in-terminal
2bwm
389-ds-base
90secondportraits
lispPackages.3bmd
lispPackages.hu.dwim.asdf
lispPackages.hu.dwim.def
Closes #1342.
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nix-channel: error out if direct tarball unpack fails.
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http://hydra.nixos.org/build/51569816
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These are no longer used anywhere.
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This dumps the entire Nix configuration, including all options that
have default values.
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This makes all config options self-documenting.
Unknown or unparseable config settings and --option flags now cause a
warning.
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The typical use is to inherit Config and add Setting<T> members:
class MyClass : private Config
{
Setting<int> foo{this, 123, "foo", "the number of foos to use"};
Setting<std::string> bar{this, "blabla", "bar", "the name of the bar"};
MyClass() : Config(readConfigFile("/etc/my-app.conf"))
{
std::cout << foo << "\n"; // will print 123 unless overriden
}
};
Currently, this is used by Store and its subclasses for store
parameters. You now get a warning if you specify a non-existant store
parameter in a store URI.
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