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2014-02-27 Set up a minimal /dev in chrootsEelco Dolstra4-13/+28
Not bind-mounting the /dev from the host also solves the problem with /dev/shm being a symlink to something not in the chroot.
2014-02-27 Fix deadlock in SubstitutionGoalEelco Dolstra1-0/+1
We were relying on SubstitutionGoal's destructor releasing the lock, but if a goal is a top-level goal, the destructor won't run in a timely manner since its reference count won't drop to zero. So release it explicitly. Fixes #178.
2014-02-26 Only start download-via-ssh if it's enabledEelco Dolstra1-12/+14
2014-02-26 Add use-ssh-substituter setting.Shea Levy2-0/+5
It defaults to false and can be overridden by RemoteStore. Untested currently, just quickly put this together
2014-02-18 Slight simplificationEelco Dolstra1-17/+10
2014-02-18 Add a flag ‘--check’ to verify build determinismEelco Dolstra5-49/+86
The flag ‘--check’ to ‘nix-store -r’ or ‘nix-build’ will cause Nix to redo the build of a derivation whose output paths are already valid. If the new output differs from the original output, an error is printed. This makes it easier to test if a build is deterministic. (Obviously this cannot catch all sources of non-determinism, but it catches the most common one, namely the current time.) For example: $ nix-build '<nixpkgs>' -A patchelf ... $ nix-build '<nixpkgs>' -A patchelf --check error: derivation `/nix/store/1ipvxsdnbhl1rw6siz6x92s7sc8nwkkb-patchelf-0.6' may not be deterministic: hash mismatch in output `/nix/store/4pc1dmw5xkwmc6q3gdc9i5nbjl4dkjpp-patchelf-0.6.drv' The --check build fails if not all outputs are valid. Thus the first call to nix-build is necessary to ensure that all outputs are valid. The current outputs are left untouched: the new outputs are either put in a chroot or diverted to a different location in the store using hash rewriting.
2014-02-17 Make --repair work on DarwinEelco Dolstra1-3/+3
Mac OS X doesn't allow renaming a read-only directory. http://hydra.nixos.org/build/9113895
2014-02-17 RefactoringEelco Dolstra1-29/+36
2014-02-17 When using a build hook, only copy missing pathsEelco Dolstra1-9/+6
2014-02-17 Move some code aroundEelco Dolstra1-92/+82
In particular, do replacing of valid paths during repair later. This prevents us from replacing a valid path after the build fails.
2014-02-17 Heuristically detect if a build may have failed due to a full diskEelco Dolstra2-5/+28
This will allow Hydra to detect that a build should not be marked as "permanently failed", allowing it to be retried later.
2014-02-14 Minor style fixesEelco Dolstra2-2/+2
2014-02-10 Move StoreApi::serve into opServeShea Levy2-38/+0
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-10 Pass in params by const refShea Levy2-2/+2
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-08 Add download-via-ssh substituterShea Levy2-0/+26
This substituter connects to a remote host, runs nix-store --serve there, and then forwards substituter commands on to the remote host and sends their results to the calling program. The ssh-substituter-hosts option can be specified as a list of hosts to try. This is an initial implementation and, while it works, it has some limitations: * Only the first host is used * There is no caching of query results (all queries are sent to the remote machine) * There is no informative output (such as progress bars) * Some failure modes may cause unhelpful error messages * There is no concept of trusted-ssh-substituter-hosts Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-08 nix-store --serve: Flush out after every loopShea Levy2-2/+3
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-08 nix-store --serve: Use dump instead of exportShea Levy2-3/+4
Also remove signing support Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-08 nix-store --serve: Don't fail if asked for info about non-valid pathShea Levy1-0/+2
Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-08 nix-store --serve: Don't loop foreverShea Levy1-26/+25
nix-store --export takes a tmproot, which can only release by exiting. Substituters don't currently work in a way that could take advantage of the looping, anyway. Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-08 Add the nix-store --serve commandShea Levy2-0/+35
This is essentially the substituter API operating on the local store, which will be used by the ssh substituter. It runs in a loop rather than just taking one command so that in the future nix will be able to keep one connection open for multiple instances of the substituter. Signed-off-by: Shea Levy <shea@shealevy.com>
2014-02-03 Fix assertion failure in ‘nix-store --load-db’Eelco Dolstra1-1/+12
Namely: nix-store: derivations.cc:242: nix::Hash nix::hashDerivationModulo(nix::StoreAPI&, nix::Derivation): Assertion `store.isValidPath(i->first)' failed. This happened because of the derivation output correctness check being applied before the references of a derivation are valid.
2014-02-01 Give a friendly error message if the DB directory is not writableEelco Dolstra1-2/+6
Previously we would say "error: setting synchronous mode: unable to open database file" which isn't very helpful.
2014-02-01 Fix "make dist"Eelco Dolstra1-1/+3
2014-02-01 Remove AutomakefilesEelco Dolstra1-33/+0
2014-02-01 Update Makefile variable namesEelco Dolstra1-1/+1
2014-01-30 Rename Makefile -> local.mkEelco Dolstra1-0/+0
2014-01-21 Fix some clang warningsEelco Dolstra2-6/+1
2014-01-21 Merge branch 'master' into makeEelco Dolstra2-2/+7
Conflicts: src/libexpr/eval.cc
2014-01-09 Generate schema.sql.hhEelco Dolstra1-0/+5
2014-01-09 Update MakefilesEelco Dolstra1-3/+1
2014-01-08 Fix checking of NAR hashesEelco Dolstra1-0/+1
*headdesk* *headdesk* *headdesk* So since commit 22144afa8d9f8968da351618a1347072a93bd8aa, Nix hasn't actually checked whether the content of a downloaded NAR matches the hash specified in the manifest / NAR info file. Urghhh...
2014-01-06 wordingDomen Kožar1-1/+1
2013-12-10 Garbage collector: Release locks on temporary root filesEelco Dolstra1-0/+1
This allows processes waiting for such locks to proceed during the trash deletion phase of the garbage collector.
2013-12-05 Print a trace message if a build fails due to the platform being unknownEelco Dolstra1-1/+4
2013-11-25 Rename Makefile.new -> MakefileEelco Dolstra1-0/+0
2013-11-23 Use libnix as a prefix for all Nix librariesEelco Dolstra1-0/+2
In particular "libutil" was always a problem because it collides with Glibc's libutil. Even if we install into $(libdir)/nix, the linker sometimes got confused (e.g. if a program links against libstore but not libutil, then ld would report undefined symbols in libstore because it was looking at Glibc's libutil).
2013-11-23 Allow (dynamic) libraries to depend on other librariesEelco Dolstra1-0/+2
2013-11-22 Drop the dependency on AutomakeEelco Dolstra2-2/+2
2013-11-22 Rename $(here) to $(d) for brevity, and remove trailing slashEelco Dolstra1-1/+1
2013-11-22 Add ‘make dist’ supportEelco Dolstra1-1/+1
2013-11-22 New non-recursive, plain Make-based build systemEelco Dolstra1-0/+19
2013-11-22 Include <cstring> for memsetEelco Dolstra1-0/+1
This should fix building on Illumos.
2013-11-14 Remove nix-setuid-helperEelco Dolstra4-158/+31
AFAIK, nobody uses it, it's not maintained, and it has no tests.
2013-11-12 Make function calls show up in stack traces againEelco Dolstra2-0/+4
Note that adding --show-trace prevents functions calls from being tail-recursive, so an expression that evaluates without --show-trace may fail with a stack overflow if --show-trace is given.
2013-10-22 For auto roots, show the intermediate linkEelco Dolstra1-1/+1
I.e. "nix-store -q --roots" will now show (for example) /home/eelco/Dev/nixpkgs/result rather than /nix/var/nix/gcroots/auto/53222qsppi12s2hkap8dm2lg8xhhyk6v
2013-10-16 Retry all SQLite operationsEelco Dolstra2-128/+169
To deal with SQLITE_PROTOCOL, we also need to retry read-only operations.
2013-10-16 Fix a race in registerFailedPath()Eelco Dolstra1-2/+1
Registering the path as failed can fail if another process does the same thing after the call to hasPathFailed(). This is extremely unlikely though.
2013-10-16 Convenience macros for retrying a SQLite transactionEelco Dolstra1-46/+42
2013-10-16 Don't wrap read-only queries in a transactionEelco Dolstra1-6/+0
There is no risk of getting an inconsistent result here: if the ID returned by queryValidPathId() is deleted from the database concurrently, subsequent queries involving that ID will simply fail (since IDs are never reused).
2013-10-16 Print a distinct warning for SQLITE_PROTOCOLEelco Dolstra1-4/+8
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