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Author SHA1 Message Date
Eelco Dolstra d37d012774 Settings: Add bool get() 2014-09-17 15:18:13 +02:00
Eelco Dolstra 9d65287b91 Fix dependency ordering 2014-09-04 20:02:08 +02:00
Eelco Dolstra 9472b4157d Fix boost::too_many_args error 
Fixes #333.
 2014-09-02 22:53:01 +02:00
Ludovic Courtès 8fb8c26b6d Add an 'optimiseStore' remote procedure call. 2014-09-01 23:53:26 +02:00
Eelco Dolstra b72e93bca8 Add disallowedReferences / disallowedRequisites 
For the "stdenv accidentally referring to bootstrap-tools", it seems
easier to specify the path that we don't want to depend on, e.g.

  disallowedRequisites = [ bootstrapTools ];
 2014-08-28 18:57:13 +02:00
Gergely Risko fd61069a42 Introduce allowedRequisites feature 2014-08-28 18:23:55 +02:00
Joel Taylor b224ac1520 fix disappearing bash arguments 2014-08-21 23:17:50 +02:00
Eelco Dolstra 809ca33806 Use PR_SET_PDEATHSIG to ensure child cleanup 2014-08-21 15:31:43 +02:00
Eelco Dolstra 524f89f139 Use unshare() instead of clone() 
It turns out that using clone() to start a child process is unsafe in
a multithreaded program. It can cause the initialisation of a build
child process to hang in setgroups(), as seen several times in the
build farm:

The reason is that Glibc thinks that the other threads of the parent
exist in the child, so in setxid_mark_thread() it tries to get a futex
that has been acquired by another thread just before the clone(). With
fork(), Glibc runs pthread_atfork() handlers that take care of this
(in particular, __reclaim_stacks()). But clone() doesn't do that.

Fortunately, we can use fork()+unshare() instead of clone() to set up
private namespaces.

See also https://www.mail-archive.com/lxc-devel@lists.linuxcontainers.org/msg03434.html.
 2014-08-21 14:08:09 +02:00
Eelco Dolstra fefd3650d4 Fix a segfault in ‘nix-env -qa’ 
This was triggered by 47e185847e, which
turned globals.state into a pointer.
 2014-08-21 00:05:17 +02:00
Eelco Dolstra 65243ee833 Flush std::cout before closing stdout 2014-08-20 21:44:55 +02:00
Eelco Dolstra 43579c9799 Use pager for more commands 2014-08-20 21:44:55 +02:00
Eelco Dolstra 9481f77693 Provide reasonable default flags for $LESS 
Borrowed from systemd.
 2014-08-20 21:22:41 +02:00
Eelco Dolstra 11849a320e Use proper quotes everywhere 2014-08-20 18:03:48 +02:00
Eelco Dolstra 373fad75e1 Add some color 2014-08-20 16:50:17 +02:00
Eelco Dolstra 392430b2c4 nix-store -l: Automatically pipe output into $PAGER 2014-08-20 15:12:58 +02:00
Eelco Dolstra 954188af27 Filter Nix-specific ANSI escape sequences from stderr 
The Nixpkgs stdenv prints some custom escape sequences to denote
nesting and stuff like that. Most terminals (e.g. xterm, konsole)
ignore them, but some do not (e.g. xfce4-terminal). So for the benefit
of the latter, filter them out.
 2014-08-20 14:30:01 +02:00
Eelco Dolstra 029424d17d Make hook shutdown more reliable 2014-08-19 17:47:30 +02:00
Eelco Dolstra 02843ba4cb Fix --attr parsing 2014-08-18 15:48:23 +02:00
Eelco Dolstra 632f989b51 Doh 2014-08-18 11:35:50 +02:00
Eelco Dolstra c160ead82f Reduce verbosity 2014-08-17 19:11:50 +02:00
Eelco Dolstra 42e9ad8fd1 Propagate remote timeouts properly 2014-08-17 19:09:03 +02:00
Eelco Dolstra ad716378dc Fix download-via-ssh 
http://hydra.nixos.org/build/13286020
 2014-08-17 14:28:17 +02:00
Eelco Dolstra fde819f2e2 nix-log2xml: Handle newlines 2014-08-13 19:06:20 +02:00
Eelco Dolstra cb921f67c3 Remove log2html.xsl and friends 
It's part of Hydra now.
 2014-08-13 19:01:14 +02:00
Eelco Dolstra e9b609bf9a nix-log2xml: Handle UTF-8 characters 
C++ chars can be negative...
 2014-08-13 19:00:07 +02:00
Eelco Dolstra 9367046fef Use regular file GC roots if possible 
This makes hydra-eval-jobs create roots as regular files. See
1c208f2b7e.
 2014-08-13 17:44:41 +02:00
Eelco Dolstra 5f05197df4 Handle compound single dash options properly 
So now

  nix-instantiate --eval -E '{x}: x' --argstr x -xyzzy

correctly prints "-xyzzy", rather than giving an error.

Issue NixOS/hydra#176.
 2014-08-13 04:08:33 +02:00
Eelco Dolstra 47e185847e Refactor option handling 2014-08-13 03:50:44 +02:00
Eelco Dolstra 5bed74d1b0 Fix warning about non-existant -I directories 2014-08-13 02:57:59 +02:00
Eelco Dolstra 401ab50566 Remove pointless NIX_LOG_TYPE environment variable 2014-08-13 01:19:02 +02:00
Eelco Dolstra 98873ff7de Remove unnecessary call to addTempRoot() 2014-08-05 16:41:42 +02:00
Eelco Dolstra f02c52e3d4 Doh 2014-08-05 10:19:57 +02:00
Eelco Dolstra 988bf59421 Move some options out of globals 2014-08-04 18:13:14 +02:00
Eelco Dolstra daccd68999 Refactor 2014-08-04 18:02:29 +02:00
Eelco Dolstra d5a076c36f Add option ‘build-extra-chroot-dirs’ 
This is useful for extending (rather than overriding) the default set
of chroot paths.
 2014-08-04 18:00:00 +02:00
Eelco Dolstra 4d73e2e893 Get rid of "killing <pid>" message for unused build hooks 2014-08-04 17:27:45 +02:00
Eelco Dolstra bb45092f72 Make chroot builds easier to set up 
By default, we now include /bin/sh as a bind-mount of bash.
 2014-08-04 17:09:26 +02:00
Eelco Dolstra 51485dcda2 Remove ugly hack for detecting build environment setup errors 2014-08-01 19:38:21 +02:00
Eelco Dolstra 4c4b219c07 Call commonChildInit() before doing chroot init 
This ensures that daemon clients see error messages from the chroot
setup.
 2014-08-01 19:29:03 +02:00
Eelco Dolstra eea0401d7a Eliminate redundant copy 2014-08-01 17:30:51 +02:00
Eelco Dolstra e0d7d0e45c findRoots(): Prevent a call to lstat() 
This means that getting the roots from /nix/var/nix/.../hydra-roots
doesn't need any I/O other than reading the directory.
 2014-08-01 17:20:25 +02:00
Eelco Dolstra daf3f2c11f Make readDirectory() return inode / file type 2014-08-01 17:14:28 +02:00
Eelco Dolstra 1c208f2b7e Allow regular files as GC roots 
If a root is a regular file, then its name must denote a store
path. For instance, the existence of the file

  /nix/var/nix/gcroots/per-user/eelco/hydra-roots/wzc3cy1wwwd6d0dgxpa77ijr1yp50s6v-libxml2-2.7.7

would cause

  /nix/store/wzc3cy1wwwd6d0dgxpa77ijr1yp50s6v-libxml2-2.7.7

to be a root.

This is useful because it involves less I/O (no need for a readlink()
call) and takes up less disk space (the symlink target typically takes
up a full disk block, while directory entries are packed more
efficiently). This is particularly important for hydra.nixos.org,
which has hundreds of thousands of roots, and where reading the roots
can take 25 minutes.
 2014-08-01 17:14:28 +02:00
Eelco Dolstra 50dc1f5b71 Restore default SIGPIPE handler before invoking ‘man’ 
Fixes NixOS/nixpkgs#3410.
 2014-07-31 10:31:17 +02:00
Eelco Dolstra 3d221a7bb1 Rename nixPath to __nixPath 
The name ‘nixPath’ breaks existing code.
 2014-07-30 11:28:39 +02:00
Eelco Dolstra 67937907ca nix-daemon: Pass on the user's $SSH_AUTH_SOCK to the SSH substituter 2014-07-25 18:02:48 +02:00
Eelco Dolstra 71a20d4d95 Change the default for use-ssh-substituter to ‘true’ 
Now you only have to pass ‘--option ssh-substituter-hosts
nix-ssh@bla’ to enable SSH substitution.
 2014-07-25 12:57:12 +02:00
Eelco Dolstra 1a44f1cb65 nix-copy-closure: Drop --bzip2, --xz, --show-progress 
These are too difficult to implement via nix-store --serve.

‘--show-progress’ could be re-implemented fairly easily via a
sink/source wrapper class.
 2014-07-24 17:11:54 +02:00
Eelco Dolstra 03103c0a36 Implement nix-copy-closure --from via nix-store --serve 2014-07-24 16:19:41 +02:00