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Author SHA1 Message Date
Eelco Dolstra 85530bcc0b
nix: Remove special handling of .drv files 
This makes 'nix copy' and 'nix path-info' work on .drv store
paths. Removing special treatment of .drv files seems the most
future-proof approach given the possible removal of .drv files in the
future.

Note that 'nix build' will still build (rather than substitute) .drv
paths due to the unfortunate overloading in Store::buildPaths().
 2018-06-13 18:04:22 +02:00
Eelco Dolstra 7902fccf6f
hashDerivationModulo(): Handle chroot stores 
This makes 'nix copy --to /mnt /nix/store/bla.drv' work.
 2018-06-13 18:00:54 +02:00
Eelco Dolstra 3c5d9f478d
std::random_shuffle -> std::shuffle 
The former is removed in C++17.
 2018-06-13 16:56:19 +02:00
Eelco Dolstra 0629601da1
Move EvalState from the stack to the heap 
EvalState contains a few counters (e.g. nrValues) that increase
quickly enough that they end up being interpreted as pointers by the
garbage collector. Moving it to the heap makes them invisible to the
garbage collector.

This reduces the max RSS doing 100 evaluations of
nixos.tests.firefox.x86_64-linux.drvPath from 455 MiB to 292 MiB.

Note: ideally, allocations would be much further up in the 64-bit
address space to reduce the odds of an integer being misinterpreted as
a pointer. Maybe we can use some linker magic to move the .bss segment
to a higher address.
 2018-06-12 17:49:55 +02:00
Eelco Dolstra c905d8b0a8
GC_malloc -> GC_MALLOC 
This makes it possible to build with -DGC_DEBUG.
 2018-06-12 17:49:55 +02:00
Eelco Dolstra 455d1f01d0
Don't scan for roots in dynamic libraries 
This reduces the risk of object liveness misdetection. For example,
Glibc has an internal variable "mp_" that often points to a Boehm
object, keeping it alive unnecessarily. Since we don't store any
actual roots in global variables, we can just disable data segment
scanning.

With this, the max RSS doing 100 evaluations of
nixos.tests.firefox.x86_64-linux.drvPath went from 718 MiB to 455 MiB.
 2018-06-12 17:49:55 +02:00
Eelco Dolstra 30964103dc
Add temporary stats 2018-06-12 17:49:55 +02:00
Eelco Dolstra 24c6806994
Cache parse trees 
This prevents EvalState::resetFileCache() from parsing everything all
over again.
 2018-06-12 17:49:55 +02:00
Eelco Dolstra 6ad0a2f749
Remove duplicate definition of allocBytes() 2018-06-12 17:49:51 +02:00
Daniel Peebles 169e1478d8
Merge pull request #2224 from serokell/getaddrinfo-preload 
Fix #2162: use getaddrinfo instead of curl to preload NSS
 2018-06-12 09:15:17 -04:00
Yorick 72a78beb34
Fix #2162: use getaddrinfo instead of curl to preload NSS 2018-06-12 13:05:14 +02:00
Eelco Dolstra 27d1c052ae
Merge pull request #2223 from symphorien/esrch 
libstore/gc.cc: ignore ESRCH when reading /proc
 2018-06-11 18:08:53 +02:00
Symphorien Gibol 8c567afe35 libstore/gc.cc: ignore ESRCH when reading /proc 
If a process disappears between the time /proc/[pid]/maps is opened and
the time it is read, the read() syscall will return ESRCH. This should be ignored.
 2018-06-11 16:29:47 +02:00
Eelco Dolstra de71335e4d
Merge pull request #2211 from unsatcore/master 
tests: more robust check for user namespaces availability (canUseSand…
 2018-06-11 11:10:02 +02:00
Shea Levy 9c2283cc4a
Merge pull request #2220 from 7c6f434c/doc-floats 
manual: builtins.fromJSON: remove the claim that floats are not allowed
 2018-06-10 11:59:02 -04:00
Michael Raskin 17bc757980 manual: builtins.fromJSON: remove the claim that floats are not allowed 
floating-point numbers are supported now, including the fromJSON
builtin. Reported on IRC by inquisitiv3
 2018-06-10 14:20:18 +02:00
Will Dietz 6bf7dc1baf download: if there are active requests, never sleep for 10s 
In some versions/configurations libcurl doesn't handle timeouts
(especially DNS timeouts) in a way that wakes curl_multi_wait.

This doesn't appear to be a problem if using c-ares, FWIW.
 2018-06-08 21:12:43 -05:00
Aleksandr Pashkov a717ad7484 pr-2211: cleanup 2018-06-08 23:31:42 +03:00
Eelco Dolstra 74144ae845
Merge pull request #2215 from AmineChikhaoui/s3-multipart-debug 
use debug instead of printTalkative to avoid spamming hydra queue-runner
 2018-06-08 13:02:25 +02:00
AmineChikhaoui 170165ee5a
use debug instead of printTalkative to avoid spamming hydra queue 
runner logs.
 2018-06-08 11:43:32 +01:00
Aleksandr Pashkov b333e6d6fe pr-2211: cleanup 2018-06-07 23:08:43 +03:00
Eelco Dolstra a76498e466
Merge pull request #2212 from asymmetric/patch-2 
Dockerfile: 2.0.4
 2018-06-06 15:09:16 +02:00
Lorenzo Manacorda b600d46412
Dockerfile: 2.0.4 2018-06-06 14:50:47 +02:00
Aleksandr Pashkov 5ee4472b8b tests: more robust check for user namespaces availability (canUseSandbox) 
Issue https://github.com/NixOS/nix/issues/2165
 2018-06-06 00:41:01 +03:00
Eelco Dolstra 4ac4f675df
Don't require --fallback to recover from disappeared binary cache NARs 2018-06-05 16:04:41 +02:00
Eelco Dolstra 691b7582c7
Handle HTTP 410 Gone errors 2018-06-05 16:03:32 +02:00
Eelco Dolstra ca06a9cea7
Improve binary cache fallback test 2018-06-05 15:26:12 +02:00
Eelco Dolstra a2ec7a3bfd
Further improve upload messages 2018-06-05 14:37:26 +02:00
Eelco Dolstra a936a19da3
Remove non-existent NIX_DEBUG_SUBST 2018-06-05 13:40:45 +02:00
Will Dietz 54b1c59643 download.cc: fix readCallback return type (int -> size_t) 
I'm not sure if curl ever asks for enough data at once
for truncation to occur but better safe than sorry.
 2018-06-01 10:59:26 -05:00
Eelco Dolstra 73357500ac
Improve binary cache upload messages 
Don't say "download" when we mean "upload".
 2018-06-01 14:14:22 +02:00
Eelco Dolstra f0d9909f10
upload-release.pl: Copy the install script and sign everything 
Note: this means that for those doing 'curl | sh', you can now pin a
specific version, e.g.

  curl https://nixos.org/releases/nix/nix-2.0.4/install | sh

https://nixos.org/nix/{install,install.sig} are now just symlinks to
the corresponding files in the latest release directory.
 2018-05-31 11:58:10 +02:00
Peter Simons 93aa3bea2e
Merge pull request #767 from mogorman/garbage_collect_keep_last_few 
Implement --delete-generations + flag for keeping last N number of gens
 2018-05-31 10:00:21 +02:00
Shea Levy bbbfc180d9
Explicitly describe the effects of filterSource excluding a directory. 2018-05-30 12:34:41 -04:00
Eelco Dolstra 5d4a9d5677
Fix static assertion failure on 32-bit systems 2018-05-30 17:47:30 +02:00
Eelco Dolstra 7c3c635d4f
release.nix: Generate the installer script 2018-05-30 17:40:08 +02:00
Eelco Dolstra 4caaa4c5fe
Move installer script from nixos-homepage 2018-05-30 17:17:50 +02:00
Eelco Dolstra 3be58fe1bc
Merge pull request #2194 from grahamc/nix-profile-daemon-profile-set-u 
Nix profile & installation: handle set -u installations
 2018-05-30 15:44:43 +02:00
Graham Christensen 6ba1726eeb
install-multi-user: support 'set -u' runs, closes #2193 2018-05-30 09:35:21 -04:00
Graham Christensen d459d3307c
nix-daemon.sh profile script: operate under set -u 
If the profile is sourced inside a script with `set -u`, the check for
__ETC_PROFILE_NIX_SOURCED and NIX_SSL_CERT_FILE would raise an error.
A simple guard around this check allows the script to operate under
standard environments (where it is fairly reasonable to assume USER
and HOME are set.)
 2018-05-30 09:15:46 -04:00
Graham Christensen f9940f47b3
Merge pull request #2164 from mickours/doc-fetchTarball-timout 
Explain fetchTarball timeout behavior in the doc
 2018-05-30 08:04:26 -04:00
Michael Mercier 8dd2e28374
Explain fetchTarball timeout behavior in the doc 2018-05-30 08:02:46 -04:00
Eelco Dolstra 3c2de9830d
RemoteStore::addToStore(): Ensure capacity is decreased on exceptions 2018-05-30 13:48:31 +02:00
Eelco Dolstra a4c1618876
Fix deadlock in RemoteStore::queryPathInfoUncached() 2018-05-30 13:46:14 +02:00
Eelco Dolstra 7d21863bb3
Make <nix/fetchurl.nix> run in constant memory 
E.g.

  nix-build --store ~/my-nix/ -E 'import <nix/fetchurl.nix> { url = https://cache.nixos.org/nar/0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv.nar.xz; sha256 = "0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv"; }'

now runs in 17 MiB (was 70 MiB), while

  nix-build --store ~/my-nix/ -E 'import <nix/fetchurl.nix> { url = https://cache.nixos.org/nar/0nwi996rgq4b914qyx0mv2wq4k80hjac7xilikavagw7kxmn2iiv.nar.xz; sha256 = "0d2fxljdih3nc5dqx41hjzic3141ajil94m8kdbpryq569dpsbvb"; unpack = true; }'

runs in 17 MiB (was 346 MiB).
 2018-05-30 13:42:51 +02:00
Eelco Dolstra 5a654fd7dd
getDownloader(): Simplify 2018-05-30 13:42:30 +02:00
Eelco Dolstra e87e4a60d6
Make HttpBinaryCacheStore::narFromPath() run in constant memory 
This reduces memory consumption of

  nix copy --from https://cache.nixos.org --to ~/my-nix /nix/store/95cwv4q54dc6giaqv6q6p4r02ia2km35-blender-2.79

from 176 MiB to 82 MiB. (The remaining memory is probably due to xz
decompression overhead.)

Issue https://github.com/NixOS/nix/issues/1681.
Issue https://github.com/NixOS/nix/issues/1969.
 2018-05-30 13:42:29 +02:00
Eelco Dolstra 08ec757726
Make LocalBinaryCacheStore::narFromPath() run in constant memory 
This reduces memory consumption of

  nix copy --from file://... --to ~/my-nix /nix/store/95cwv4q54dc6giaqv6q6p4r02ia2km35-blender-2.79

from 514 MiB to 18 MiB for an uncompressed binary cache, and from 192
MiB to 53 MiB for a bzipped binary cache. It may also be faster
because fetching can happen concurrently with decompression/writing.

Continuation of 48662d151b.

Issue https://github.com/NixOS/nix/issues/1681.
 2018-05-30 13:34:57 +02:00
Eelco Dolstra 81ea8bd5ce
Simplify the callback mechanism 2018-05-30 13:34:37 +02:00
Eelco Dolstra 1672bcd230
Move evaluator-specific settings out of libstore 2018-05-30 13:29:50 +02:00