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2017-01-17 Handle SIGINT etc. via a sigwait() signal handler threadEelco Dolstra4-27/+100
This allows other threads to install callbacks that run in a regular, non-signal context. In particular, we can use this to signal the downloader thread to quit. Closes #1183.
2017-01-16 assign environ to a temp variable to ensure livenessJude Taylor1-3/+6
2017-01-16 AutoCloseDir: Use std::unique_ptrEelco Dolstra4-65/+20
2017-01-16 AutoDeleteArray -> std::unique_ptrEelco Dolstra4-23/+9
Also, switch to C++14 for std::make_unique.
2017-01-16 nix-build: Use showManPage() and printVersion()Eelco Dolstra1-7/+3
2017-01-10 builtins.readFile: Put the references of the file, not those needed to ↵Shea Levy1-0/+3
realize the file, into the context
2017-01-09 Merge pull request #1139 from Mic92/masterEelco Dolstra1-6/+2
Simplify remouting with MS_PRIVATE in sandbox build
2017-01-07 nix-shell: Fix 'nix-shell --command' doing nothing without TTYTuomas Tynkkynen1-1/+2
Regression from a5f2750e ("Fix early removal of rc-file for nix-shell"). The removal of BASH_ENV causes nothing to be executed by bash if it detects itself in a non-interactive context. Instead, just use the same condition used by bash to launch bash differently. According to bash sources, the condition (stdin and stder both must be TTYs) is specified by POSIX so this should be pretty safe to rely on. Fixes #1171 on master, needs a backport to the Perl code in 1.11.
2017-01-03 nix-shell: In #! mode, pass the last argumentEelco Dolstra1-13/+11
"i < argc - 1" should be "i < argc".
2017-01-03 nix-shell: Don't act interactive in shebangsTuomas Tynkkynen1-0/+1
I had observed that 'bash --rcfile' would do nothing in a non-interactive context and cause nothing to be executed if a script using nix-shell shebangs were run in a non-interactive context.
2017-01-03 nix-shell: Fix 'nix-shell -i'Tuomas Tynkkynen1-1/+1
The 'args' variable here is shadowing one in the outer scope and its contents end up unused. This causes any '#! nix-shell' lines to effectively be ignored. The intention here was to clear the args vector, as far as I can tell (and it seems to work).
2017-01-02 Provide /var/run/nscd/socket in the sandboxEelco Dolstra1-0/+1
Otherwise sandbox builds can fail, e.g. $ NIX_REMOTE=local?root=/tmp/nix nix-build '<nixpkgs>' -A hello --option build-use-substitutes false ... downloading ‘http://ftpmirror.gnu.org/bash/bash-4.3-patches/bash43-047’... error: unable to download ‘http://ftpmirror.gnu.org/bash/bash-4.3-patches/bash43-047’: Couldn't resolve host name (6)
2016-12-22 Call Aws::InitAPIEelco Dolstra1-1/+17
This is required now.
2016-12-22 Add commentEelco Dolstra1-1/+2
2016-12-19 Revert "Merge branch 'seccomp' of https://github.com/aszlig/nix"Eelco Dolstra2-69/+29
This reverts commit 9f3f2e21edb17dbcd674539dff96efb6cceca10c, reversing changes made to 47f587700d646f5b03a42f2fa57c28875a31efbe.
2016-12-19 Revert "Give root a valid home directory"Eelco Dolstra1-3/+3
This reverts commit ec7d498b72b0e283814c27cbc6c064496f95445d.
2016-12-15 Give root a valid home directoryEelco Dolstra1-3/+3
Some programs barf if the current user has a non-writable home directory, e.g. http://hydra.nixos.org/build/44818144.
2016-12-15 Merge branch 'master' of github.com:NixOS/nixEelco Dolstra1-1/+7
2016-12-15 Merge branch 'seccomp' of https://github.com/aszlig/nixEelco Dolstra2-29/+69
2016-12-13 Merge branch 'base32-overflow' of git://github.com/vcunat/nixShea Levy1-1/+7
2016-12-09 Probably fix a segfault in PathLocksEelco Dolstra1-37/+50
2016-12-08 Don't delete .check directories of running buildsEelco Dolstra2-2/+7
We need to keep them around for diffoscope.
2016-12-08 Fix warning on 32-bit systemsEelco Dolstra1-1/+2
http://hydra.nixos.org/build/44628517
2016-12-08 Fix buildEelco Dolstra1-2/+2
http://hydra.nixos.org/build/44628517
2016-12-08 S3BinaryCacheStore: Ensure it only builds on LinuxEelco Dolstra1-0/+2
2016-12-08 Fix S3BinaryCacheStoreEelco Dolstra4-53/+11
It failed with AWS error uploading ‘6gaxphsyhg66mz0a00qghf9nqf7majs2.ls.xz’: Unable to parse ExceptionName: MissingContentLength Message: You must provide the Content-Length HTTP header. possibly because the istringstream_nocopy introduced in 0d2ebb4373e509521f27a6e8f16bfd39d05b2188 doesn't supply the seek method that the AWS library expects. So bring back the old version, but only for S3BinaryCacheStore.
2016-12-07 Add a hook to run diffoscope when non-determinism is detectedEelco Dolstra2-7/+33
2016-12-07 Keep track of the exact build start/stop timesEelco Dolstra3-2/+8
2016-12-07 Bail out early when non-determinism is detectedEelco Dolstra1-0/+1
2016-12-07 Expose enforce-determinism and the result to HydraEelco Dolstra1-1/+6
2016-12-07 Add an option to make non-determinism non-fatalEelco Dolstra2-11/+24
That is, when build-repeat > 0, and the output of two rounds differ, then print a warning rather than fail the build. This is primarily to let Hydra check reproducibility of all packages.
2016-12-06 Use a steady clock for timeoutsEelco Dolstra2-22/+29
Fixes #1146.
2016-12-06 nix-store --serve: Suppress log output on stderr when repeating a buildEelco Dolstra3-1/+8
2016-12-06 nix-store --serve: Support setting build-repeatEelco Dolstra2-1/+3
This allows Hydra to test whether builds are reproducible.
2016-12-06 Tweak error messageEelco Dolstra1-2/+2
2016-11-27 Improve error message on trailing path slashesGuillaume Maudoux1-4/+12
2016-11-25 Simplify remouting with MS_PRIVATE in sandbox buildJörg Thalheim1-6/+2
also fix race condition if mounts are added after mountinfo is read.
2016-11-21 nix-channel: Fix --update <CHANNELS>Eelco Dolstra1-2/+2
This unbreaks "nixos-rebuild --upgrade".
2016-11-17 TypoEelco Dolstra1-1/+1
2016-11-17 Fix binary-cache-store buildShea Levy1-7/+8
2016-11-17 istringstream_nocopy: Implement in a standards-compliant wayShea Levy1-4/+40
Fixes #1135.
2016-11-17 nix-daemon: Fix splice faking on non-LinuxShea Levy1-2/+2
2016-11-17 Update darwin build for optional sandbox pathsShea Levy1-3/+6
Fixes #1132
2016-11-16 seccomp: Forge return values for *chown32aszlig1-0/+4
These syscalls are only available in 32bit architectures, but libseccomp should handle them correctly even if we're on native architectures that do not have these syscalls. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2016-11-16 seccomp: Forge return codes for POSIX ACL syscallsaszlig1-0/+4
Commands such as "cp -p" also use fsetxattr() in addition to fchown(), so we need to make sure these syscalls always return successful as well in order to avoid nasty "Invalid value" errors. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2016-11-16 libstore/build: Forge chown() to return successaszlig1-0/+41
What we basically want is a seccomp mode 2 BPF program like this but for every architecture: BPF_STMT(BPF_LD+BPF_W+BPF_ABS, offsetof(struct seccomp_data, nr)), BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, __NR_chown, 4, 0), BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, __NR_fchown, 3, 0), BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, __NR_fchownat, 2, 0), BPF_JUMP(BPF_JMP+BPF_JEQ+BPF_K, __NR_lchown, 1, 0), BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_ALLOW), BPF_STMT(BPF_RET+BPF_K, SECCOMP_RET_ERRNO) However, on 32 bit architectures we do have chown32, lchown32 and fchown32, so we'd need to add all the architecture blurb which libseccomp handles for us. So we only need to make sure that we add the 32bit seccomp arch while we're on x86_64 and otherwise we just stay at the native architecture which was set during seccomp_init(), which more or less replicates setting 32bit personality during runChild(). The FORCE_SUCCESS() macro here could be a bit less ugly but I think repeating the seccomp_rule_add() all over the place is way uglier. Another way would have been to create a vector of syscalls to iterate over, but that would make error messages uglier because we can either only print the (libseccomp-internal) syscall number or use seccomp_syscall_resolve_num_arch() to get the name or even make the vector a pair number/name, essentially duplicating everything again. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2016-11-16 Add build dependency for libseccompaszlig1-0/+4
We're going to use libseccomp instead of creating the raw BPF program, because we have different syscall numbers on different architectures. Although our initial seccomp rules will be quite small it really doesn't make sense to generate the raw BPF program because we need to duplicate it and/or make branches on every single architecture we want to suuport. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2016-11-16 Run builds as root in user namespace againaszlig1-29/+16
This reverts commit ff0c0b645cc1448959126185bb2fafe41cf0bddf. We're going to use seccomp to allow "cp -p" and force chown-related syscalls to always return 0. Signed-off-by: aszlig <aszlig@redmoonstudios.org>
2016-11-16 S3BinaryCacheStore:: Eliminate a string copy while uploadingEelco Dolstra4-3/+17
This cuts hydra-queue-runner's peak memory usage by about a third.
2016-11-14 buildPaths(): Handle ecIncompleteClosureEelco Dolstra1-1/+1
buildPaths() on a non-derivation would incorrectly not throw an error if the path didn't have a substitute.
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