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guix/nix/libstore/misc.hh

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2014-12-17 22:00:42 +00:00
#pragma once
#include "derivations.hh"
namespace nix {
/* Read a derivation, after ensuring its existence through
ensurePath(). */
Derivation derivationFromPath(StoreAPI & store, const Path & drvPath);
/* Place in `paths' the set of all store paths in the file system
closure of `storePath'; that is, all paths than can be directly or
indirectly reached from it. `paths' is not cleared. If
`flipDirection' is true, the set of paths that can reach
`storePath' is returned; that is, the closures under the
`referrers' relation instead of the `references' relation is
returned. */
void computeFSClosure(StoreAPI & store, const Path & path,
PathSet & paths, bool flipDirection = false,
bool includeOutputs = false, bool includeDerivers = false);
bool willBuildLocally(const Derivation & drv);
Merge branch 'nix'. This is a squashed commit of the following: commit 0dccab9f417b406f5d4aedc81900fc7b2f16c9f6 Author: Eelco Dolstra <eelco.dolstra@logicblox.com> Date: Thu Jul 2 00:30:16 2015 +0200 Typo commit 2cd28517b13524c242c7758783b0b2d8250fdded Author: Ludovic Courtès <ludo@gnu.org> Date: Wed Jul 1 14:56:34 2015 +0200 Preserve supplementary groups of build users The following patch is an attempt to address this bug (see <http://bugs.gnu.org/18994>) by preserving the supplementary groups of build users in the build environment. In practice, I would expect that supplementary groups would contain only one or two groups: the build users group, and possibly the “kvm” group. [Changed &at(0) to data() and removed tabs - Eelco] commit 6e38685ef65284093df79ebe7378bac33b0e7e5d Author: Eelco Dolstra <eelco.dolstra@logicblox.com> Date: Tue Jun 30 21:41:26 2015 +0200 GC: Handle ENOSPC creating/moving to the trash directory Issue #564. commit 5e0a9ae2e25a1016389f4893a6ed6682aadcf51d Author: Eelco Dolstra <eelco.dolstra@logicblox.com> Date: Mon Jun 22 15:54:55 2015 +0200 Use posix_fallocate to create /nix/var/nix/db/reserved commit 4e5ab98d6d14f8b0e3bd1d77b2f4f2354e7a49a8 Author: Eelco Dolstra <eelco.dolstra@logicblox.com> Date: Mon Jun 22 15:47:40 2015 +0200 Make /nix/var/nix/db/reserved bigger Issue #564. commit 60bda60fc06135aa97a93301b1a9e2270768f5b3 Author: Eelco Dolstra <eelco.dolstra@logicblox.com> Date: Wed Jun 10 16:17:06 2015 +0200 Export outputPaths function This is useful for the new hydra-queue-runner. commit 5dfea34048aa8541f20aeb2fbcd163561b609a49 Author: Eelco Dolstra <eelco.dolstra@logicblox.com> Date: Thu Jul 2 22:51:33 2015 +0200 Use std::vector::data() commit 2459458bc8257734ca78cb7a2db3df20bd730ec0 Author: Eelco Dolstra <eelco.dolstra@logicblox.com> Date: Thu Jun 4 16:04:41 2015 +0200 Allow substitutes for builds that have preferLocalBuild set Not substituting builds with "preferLocalBuild = true" was a bad idea, because it didn't take the cost of dependencies into account. For instance, if we can't substitute a fetchgit call, then we have to download/build git and all its dependencies. Partially reverts 5558652709f27e8a887580b77b93c705659d7a4b and adds a new derivation attribute "allowSubstitutes" to specify whether a derivation may be substituted.
2015-07-02 21:37:29 +00:00
bool substitutesAllowed(const Derivation & drv);
2014-12-17 22:00:42 +00:00
}