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Author SHA1 Message Date
Graham Christensen cf6172f05e
docs: document balancing cores and max-jobs 2019-07-19 08:28:44 -04:00
Domen Kožar 5e0a64229b
Add Open Collective 2019-07-18 10:57:26 +02:00
Eelco Dolstra 2f853b20df
Merge pull request from matthewbauer/fix-nsswitch-issue
Don’t use entire /etc/nsswitch.conf file
2019-07-13 17:08:02 +02:00
Eelco Dolstra 53247d6b11
Resume NAR downloads
This is a much simpler fix to the 'error 9 while decompressing xz
file' problem than 78fa47a7f0. We just
do a ranged HTTP request starting after the data that we previously
wrote into the sink.

Fixes , .
2019-07-10 23:12:17 +02:00
Eelco Dolstra 00f6fafad6
HttpBinaryCacheStore: Use default number of retries for NARs 2019-07-10 23:05:04 +02:00
Eelco Dolstra f76b2a7fdd
Downloader: Use warn() 2019-07-10 22:27:50 +02:00
Eelco Dolstra 03f09e1d18
Revert "Fix 'error 9 while decompressing xz file'"
This reverts commit 78fa47a7f0.
2019-07-10 19:46:15 +02:00
Eelco Dolstra aa739e7839
nix copy: Rename --substitute to --substitute-on-destination
'--substitute' was being shadowed by the regular '--substitute' (the
short-hand for '--option substitute true').

Fixes .
2019-07-10 11:28:37 +02:00
Eelco Dolstra b5ae85f088
Merge pull request from grahamc/docs/1115-tarball-ttl
tarball-ttl: document
2019-07-06 00:15:27 +02:00
Graham Christensen 648bdf153d
tarball-ttl: document
Incorporates text from Niklas Hambüchen in 

Closes 
2019-07-05 15:55:28 -04:00
Eelco Dolstra e486d8d40e Revert 82b7f0e840, cd8bc06e87, c3db9e6f8f
This breaks the tarball job: https://hydra.nixos.org/build/95714570
2019-07-05 00:35:59 +02:00
Eelco Dolstra 7d6ba1dc90
Merge branch 'autoconf-ubuntu-16.04-fixes' of https://github.com/nh2/nix 2019-07-03 08:02:45 +02:00
Niklas Hambüchen 82b7f0e840 autoconf: Implement release tarball detection. Fixes .
This should finally allow us to address all cases of build errors due to
differences between release tarballs and building from git.

See also https://github.com/NixOS/nix/issues/506#issuecomment-507312587
2019-07-03 04:32:25 +02:00
Niklas Hambüchen cd8bc06e87 autoconf: Add comment on use of false.
This is to avoid confusion as in commit
a0d29040f7.
2019-07-03 04:32:25 +02:00
Niklas Hambüchen c3db9e6f8f autoconf: Check if --nonet works. Fixes .
Also give a helpful error message on what package the user likely
has to install to make it work.
2019-07-03 04:32:25 +02:00
Niklas Hambüchen a96006d97f Get BOOST_LDFLAGS from autoconf, fix Ubuntu 16.04 build.
Our use of boost::coroutine2 depends on -lboost_context,
which in turn depends on `-lboost_thread`, which in turn depends
on `-lboost_system`.

I suspect that this builds on nix only because of low-level hacks
like NIX_LDFLAGS.

This commit passes the proper linker flags, thus fixing bootstrap
builds on non-nix distributions like Ubuntu 16.04.

With these changes, I can build Nix on Ubuntu 16.04 using:

    ./bootstrap.sh
    ./configure --prefix=$HOME/editline-prefix \
      --disable-doc-gen \
      CXX=g++-7 \
      --with-boost=$HOME/boost-prefix \
      EDITLINE_CFLAGS=-I$HOME/editline-prefix/include \
      EDITLINE_LIBS=-leditline \
      LDFLAGS=-L$HOME/editline-prefix/lib
    make

where

* g++-7 comes from gcc-7 from
  https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test,
* editline 1.14 from https://github.com/troglobit/editline/releases/tag/1.14.0
	was installed into `$HOME/editline-prefix`
  (because Ubuntu 16.04's `editline` is too old to have the function nix uses),
* boost 1.66 from
	https://www.boost.org/doc/libs/1_66_0/more/getting_started/unix-variants.html
	was installed into $HOME/boost-prefix (because Ubuntu 16.04 only has 1.58)
2019-07-03 04:32:25 +02:00
Niklas Hambüchen d203c554fa Fix C++ compatibility with older editline versions.
For example, Ubuntu 16.04 and many similar long-term-support distros
have older versions.
2019-07-03 04:32:25 +02:00
Niklas Hambüchen b49c3a9db5 Makefile.config.in: Remove HAVE_READLINE.
It was forgotten to be removed with
commit c5f23f10a8
and so it until now stayed unsubstituted as `HAVE_READLINE = @HAVE_READLINE@`
in Makefile.config.
2019-07-03 04:32:25 +02:00
Niklas Hambüchen 717e821b99 autoconf: Allow overriding CFLAGS/CXXFLAGS from outside.
As is normal for autoconf-based projects.

For example, it is a common use case to do

    ./configure CXXFLAGS=-O0

This did not work for nix until now, because the `CXXFLAGS=` declaration
would unconditionally erase what the user had specified.

The custom `OPTIMIZE` flag is removed, but the default `-O3` is retained;
autoconf would default to `-g -O2` by default otherwise as documented on:

https://www.gnu.org/software/autoconf/manual/autoconf-2.60/html_node/C-Compiler.html
https://www.gnu.org/software/autoconf/manual/autoconf-2.60/html_node/C_002b_002b-Compiler.html
2019-07-03 04:32:25 +02:00
Niklas Hambüchen 20129bd83d autoconf: Fix AC_STRUCT_DIRENT_D_TYPE being used before AC_PROG_CC.
That was incorrect, because checking the dirent type already requires
a working compiler.

It had the effect that setting e.g. `: ${CFLAGS=""}` before `AC_PROG_CC`
as per `AC_PROG_CC`'s documentation would have no effect, because
`AC_STRUCT_DIRENT_D_TYPE` would automatically set CFLASGS.

(In a followup commit `: ${CFLAGS=""}` will be used, so it's important
to get this working first.)
2019-07-03 04:32:25 +02:00
Sergei Trofimovich fe068eca00 mk: add support for passing LDFLAGS to libs and bins
autotools-based systems usually allow user to
append own LDFLAGS like
    LDFLAGS="-Wl,-O1 -Wl,--as-needed -Wl,--hash-style=gnu"
at ./configure stage

This change plumbs LDFLAGS through similar to existing CXXFLAGS variable.

Signed-off-by: Sergei Trofimovich <siarheit@google.com>
2019-07-03 04:32:25 +02:00
Niklas Hambüchen 57daa860e8 autoconf: Fix C++17 detection not working on Ubuntu 16.04.
And probably many other distributions.

Until now, ./configure would fail silently printing a warning

    ./configure: line 4621: AX_CXX_COMPILE_STDCXX_17: command not found

and then continuing, later failing with a C++ #error saying that some C++11
feature isn't supported (it didn't even get to the C++17 features).

This is because older distributions don't come with the
`AX_CXX_COMPILE_STDCXX_17` m4 macro.

This commit vendors that macro accordingly.

Now ./configure complains correctly:

    configure: error: *** A compiler with support for C++17 language features is required.

On Ubuntu 16.04, ./configure completes if a newer compiler is used, e.g. with
gcc-7 from https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test
using:

    ./bootstrap.sh
    ./configure CXX=g++-7 --disable-doc-gen --with-boost=$(nix-build --no-link '<nixpkgs>' -A boost.dev)
2019-07-03 04:32:25 +02:00
Niklas Hambüchen 1f97b16b1d autoconf: Work around editline not being found on Ubuntu 16.04.
And probably other Linux distributions with long-term support releases.

Also update manual stating what version is needed;
I checked that 1.14 is the oldest version with which current nix compiles,
and added autoconf feature checks for some functions added in that release
that nix uses.
2019-07-03 04:32:25 +02:00
Niklas Hambüchen 00a450026f autoconf: Detect boost, require version, set CXXFLAGS.
This turns previous compiler errors complaining about missing files
into proper ./configure time errors telling the user which version
of boost is required.
2019-07-03 04:32:25 +02:00
Niklas Hambüchen 96cd3d6073 autoconf: Change quotes in description.
The unbalanced single-quotes cause many editor syntax highlighters
to interpret the rest of the file as a string literal, making it easier
to make syntax mistakes in absence of proper highlighting.
2019-07-03 04:32:25 +02:00
Eelco Dolstra 7e1c85c5fb
Merge pull request from LnL7/build-exit-codes
build: add exit code for hash and check mismatches
2019-07-02 17:37:49 +02:00
Graham Christensen 68bdd83dc8
timeout: test for error code 2019-07-02 11:18:36 -04:00
Eelco Dolstra db700f730e
Merge pull request from grahamc/invalid-name
checkStoreName: give more precise/verbose error information
2019-07-02 16:12:01 +02:00
Eelco Dolstra 7c0b0dbec8
Merge pull request from LnL7/manpage-add-fixed
nix-store: document --add-fixed
2019-07-02 15:47:40 +02:00
Eelco Dolstra 33db1d35ae
Merge pull request from LnL7/fetchgit-refs
fetchGit: allow fetching explicit refs
2019-07-02 15:44:31 +02:00
Daiderd Jordan a3c77c1536
nix-store: document --add-fixed 2019-07-02 09:12:02 -04:00
Graham Christensen c8205a3413
builtins.fetchGit: document absolute ref support 2019-07-02 09:05:56 -04:00
Graham Christensen 17d3ec3405
checkStoreName: give more precise/verbose error information
$ sudo ./inst/bin/nix-instantiate -E '"${./.git}"'
error: The path name '.git' is invalid: it is illegal to start the
name with a period. Path names are alphanumeric and can include the
symbols +-._?= and must not begin with a period. Note: If '.git' is a
source file and you cannot rename it on disk,
builtins.path { name = ... } can be used to give it an alternative
name.
2019-07-02 08:41:53 -04:00
Daiderd Jordan a52c331edb
build: replace 100 offset for build exit codes 2019-07-02 00:12:38 +02:00
Daiderd Jordan 1ac399dd11
nix-store: document exit codes 2019-07-02 00:12:38 +02:00
Daiderd Jordan 99ee3755dd
build: add tests for --check status codes 2019-07-02 00:12:38 +02:00
Daiderd Jordan cbf84bcce7
build: use binary mask for build status flags
If multiple builds with fail with different errors it will be reflected
in the status code.

eg.

	103 => timeout + hash mismatch
	105 => timeout + check mismatch
	106 => hash mismatch + check mismatch
	107 => timeout + hash mismatch + check mismatch
2019-07-02 00:12:38 +02:00
Daiderd Jordan 97baf32fbc
build: add exit code for hash and check mismatches
Makes it easier to identify the failure reason in other tooling, eg.
differentiate between a non-deterministic --check vs a failed build.

	$ nix-build '<nix/fetchurl.nix>' --argstr url http://example.org --argstr sha256 0000000000000000000000000000000000000000000000000000
	hash mismatch in fixed-output derivation '/nix/store/nzi9ck45rwlxzcwr25is7qlf3hs5xl83-example.org':
	  wanted: sha256:0000000000000000000000000000000000000000000000000000
	  got:    sha256:08y4734bm2zahw75b16bcmcg587vvyvh0n11gwiyir70divwp1rm
	$ echo $?
	102

	$ nix-build -E 'with import <nixpkgs> {}; runCommand "foo" {} "date +%s > $out"' --check
	warning: rewriting hashes in '/nix/store/g3k47g0399fvjmbm0p0mnad74k4w8vkz-foo'; cross fingers
	error: derivation '/nix/store/mggc8dz13ackb49qca6m23zq4fpq132q-foo.drv' may not be deterministic: output '/nix/store/g3k47g0399fvjmbm0p0mnad74k4w8vkz-foo' differs
	$ echo $?
	104
2019-07-02 00:12:34 +02:00
Eelco Dolstra 5c8f477283
Merge pull request from aniketd/2971-cannot-disable-http2
Fix `http2 = false` having no effect.
2019-06-28 19:58:42 +02:00
Aniket Deshpande ec58ba38c5
Fix http2 = false having no effect. Fixes .
Setting `http2 = false` in nix config (e.g. /etc/nix/nix.conf)
had no effect, and `nix-env -vvvvv -i hello` still downloaded .nar
packages using HTTP/2.

In `src/libstore/download.cc`, the `CURL_HTTP_VERSION_2TLS` option was
being explicitly set when `downloadSettings.enableHttp2` was `true`,
but, `CURL_HTTP_VERSION_1_1` option was not being explicitly set when
`downloadSettings.enableHttp2` was `false`.

This may be because `https://curl.haxx.se/libcurl/c/libcurl-env.html` states:
"You have to set this option if you want to use libcurl's HTTP/2 support."
but, also, in the changelog, states:
"DEFAULT
Since curl 7.62.0: CURL_HTTP_VERSION_2TLS
Before that: CURL_HTTP_VERSION_1_1"

So, the default setting for `libcurl` is HTTP/2 for version >= 7.62.0.

In this commit, option `CURLOPT_HTTP_VERSION` is explicitly set to
`CURL_HTTP_VERSION_1_1` when `downloadSettings.enableHttp2` nix config
setting is `false`.

This can be tested by running `nix-env -vvvvv -i hello | grep HTTP`
2019-06-28 20:44:46 +05:30
Eelco Dolstra 6847c92788
Fix macOS build failure
Issue .
2019-06-28 15:38:23 +02:00
Matthew Bauer ec0087df0a Don’t use entire /etc/nsswitch.conf file
The default nsswitch.conf(5) file in most distros can handle many
different things including host name, user names, groups, etc. In Nix,
we want to limit the amount of impurities that come from these things.
As a result, we should only allow nss to be used for gethostbyname(3)
and getservent(3).

/cc @Ericson2314
2019-06-27 14:31:29 -04:00
Eelco Dolstra 324a5dc92f
ProgressBar: Fix updating
'updateCV.notify_one()' does nothing if the update thread is not
waiting for updateCV (in particular this happens when it is sleeping
on quitCV). So also set a variable to ensure that the update isn't
lost.
2019-06-25 21:59:20 +02:00
Eelco Dolstra 88571219d9
nix-channel: Don't fetch binary-cache-url
This has been ignored since the Perl->C++ rewrite.
2019-06-25 13:27:16 +02:00
Eelco Dolstra 09dde33c19
Automatically use --no-net if there are no network interfaces
(cherry picked from commit 04a5976996)
2019-06-25 12:45:59 +02:00
Eelco Dolstra 5600b070a7
Add "warning" verbosity level
This ensures that "nix" shows warnings. Previously these were hidden
because they were at "info" level.

(cherry picked from commit 615a9d031d)
2019-06-25 12:44:17 +02:00
Eelco Dolstra 64ec087f58
Fix 32-bit overflow with --no-net
--no-net causes tarballTtl to be set to the largest 32-bit integer,
which causes comparison like 'time + tarballTtl < other_time' to
fail on 32-bit systems. So cast them to 64-bit first.

https://hydra.nixos.org/build/95076624
(cherry picked from commit 29ccb2e969)
2019-06-24 22:16:43 +02:00
Eelco Dolstra f8b30338ac
Refactor downloadCached() interface
(cherry picked from commit df3f5a78d5)
2019-06-24 22:12:26 +02:00
Eelco Dolstra 7b9c68766d
Add '--no-net' convenience flag
This flag

* Disables substituters.

* Sets the tarball-ttl to infinity (ensuring e.g. that the flake
  registry and any downloaded flakes are considered current).

* Disables retrying downloads and sets the connection timeout to the
  minimum. (So it doesn't completely disable downloads at the moment.)

(cherry picked from commit 8ea842260b)
2019-06-24 22:07:29 +02:00
Eelco Dolstra 78fa47a7f0
Fix 'error 9 while decompressing xz file'
Once we've started writing data to a Sink, we can't restart a download
request, because then we end up writing duplicate data to the
Sink. Therefore we shouldn't handle retries in Downloader but at a
higher level (in particular, in copyStorePath()).

Fixes .

(cherry picked from commit a67cf5a358)
2019-06-24 21:59:51 +02:00