Age | Commit message (Collapse) | Author | Files | Lines |
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* Optimise header file usage a bit.
* Compile the parser as C++.
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normalised away.
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representation instead of an ATerm.
* Indent XML output.
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automated processing.
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result can be used more easily by scripts.
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running applications etc. from being garbage collected.
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Nix config file.
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there are several parallel processes.
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is not in the "wheel" group.
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64 running 64-bit SUSE). A patched ATerm library is required to run Nix
succesfully.
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of the function. Implements NIX-45.
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ostringstreams. Around 11% of execution time was spent here (now
it's 0.5%).
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Nix expression assertion failures.
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parsed as 4.
For a moment I worried that printHash32 was broken, and that would
have been really, *really* bad ;-)
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implementations of MD5, SHA-1 and SHA-256. The main benefit is that
we get assembler-optimised implementations of MD5 and SHA-1 (though
not SHA-256 (at least on x86), unfortunately). OpenSSL's SHA-1
implementation on Intel is twice as fast as ours.
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build directory (TMPDIR, i.e., /tmp). Fixes NIX-26.
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(even when it is interrupted by a signal).
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much faster.
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also part of ISO C).
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compatibility fix.
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by Rob).
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* Set the references for the user environment manifest properly.
* Don't copy the manifest (this was accidental).
* Don't store derivation paths in the manifest (maybe this should be
made optional). This cleans up the semantics of nix-env, which were
weird.
* Hash on the output paths of activated components, not on derivation
paths. This is because we don't know the derivation path of already
installed components anymore, and it allows the installation of
components by store path (skipping Nix expressions entirely).
* Query options `--out-path' and `--drv-path' to show the output and
derivation paths of components, respectively (the latter replaces
the `--expr' query).
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existing user environments continue to work).
* `nix-store --verify': detect incomplete closures.
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derivations should be kept.
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get rid of GC roots. Nix-build places a symlink `result' in the
current directory. Previously, removing that symlink would not
remove the store path being linked to as a GC root. Now, the GC
root created by nix-build is actually a symlink in
`/nix/var/nix/gcroots/auto' to `result'. So if that symlink is
removed the GC root automatically becomes invalid (since it can no
longer be resolved). The root itself is not automatically removed -
the garbage collector should delete dangling roots.
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that they are deleted in an order that maintains the closure
invariant.
* Presence of a path in a temporary roots file does not imply that all
paths in its closure are also present, so add the closure.
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roots to a per-process temporary file in /nix/var/nix/temproots
while holding a write lock on that file. The garbage collector
acquires read locks on all those files, thus blocking further
progress in other Nix processes, and reads the sets of temporary
roots.
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lock they are waiting on has become stale (we do this by writing a
meaningless token to the unlinked file).
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promise :-) This allows derivations to specify on *what* output
paths of input derivations they are dependent. This helps to
prevent unnecessary downloads. For instance, a build might be
dependent on the `devel' and `lib' outputs of some library
component, but not the `docs' output.
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* Formalise the notion of fixed-output derivations, i.e., derivations
for which a cryptographic hash of the output is known in advance.
Changes to such derivations should not propagate upwards through the
dependency graph. Previously this was done by specifying the hash
component of the output path through the `id' attribute, but this is
insecure since you can lie about it (i.e., you can specify any hash
and then produce a completely different output). Now the
responsibility for checking the output is moved from the builder to
Nix itself.
A fixed-output derivation can be created by specifying the
`outputHash' and `outputHashAlgo' attributes, the latter taking
values `md5', `sha1', and `sha256', and the former specifying the
actual hash in hexadecimal or in base-32 (auto-detected by looking
at the length of the attribute value). MD5 is included for
compatibility but should be considered deprecated.
* Removed the `drvPath' pseudo-attribute in derivation results. It's
no longer necessary.
* Cleaned up the support for multiple output paths in derivation store
expressions. Each output now has a unique identifier (e.g., `out',
`devel', `docs'). Previously there was no way to tell output paths
apart at the store expression level.
* `nix-hash' now has a flag `--base32' to specify that the hash should
be printed in base-32 notation.
* `fetchurl' accepts parameters `sha256' and `sha1' in addition to
`md5'.
* `nix-prefetch-url' now prints out a SHA-1 hash in base-32. (TODO: a
flag to specify the hash.)
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