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2020-11-28 r/1948 refactor(tvix): Centralize arbitrary definitionsGriffin Smith4-175/+180
To make it easier for future tests to use the arbitrary specialisations we've defined for some nix types, centralize them all in a single arbitrary.hh header file. Change-Id: I767f27949cfe7ec55c79901f7d7aa538d2f98c6b Reviewed-on: https://cl.tvl.fyi/c/depot/+/2182 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-11-28 r/1947 fix(tvix): Add missing break;s to BuildResult::FromProtoGriffin Smith3-0/+72
Add missing break statements to the big switch block in BuildResult::FromProto, and cover the whole thing with a rapidcheck round-trip test. Change-Id: I7a07ca398cc5f02ca4fd8e6256fd563c6f3aea9d Reviewed-on: https://cl.tvl.fyi/c/depot/+/2178 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-11-28 r/1946 feat(tvix): Thread a log sink through calls to buildDerivationGriffin Smith13-18/+31
Similarly to how we did for buildPaths, add a std::ostream& log_sink parameter to the build_derivation method on Store, and pass it std::cerr when called at the top level by nix commands - most notably, the build-remote hook binary, so that we get build logs when using tvix as a remote builder. Change-Id: I0f8f729ba8429d4838a0a135a5c2ac1e1a95d575 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2176 Tested-by: BuildkiteCI Reviewed-by: andi <andi@notmuch.email> Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-11-27 r/1945 fix(tvix): Don't call assertStorePath on BasicDerivation.builderGriffin Smith3-9/+5
Upstream doesn't, and for good reason - this might not be a store path, for example if it's /bin/sh Fixes: b/73 Change-Id: If9aa96de2cd8ab941c098a9f122b8b302a92ec38 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2175 Reviewed-by: kanepyork <rikingcoding@gmail.com> Tested-by: BuildkiteCI
2020-11-27 r/1944 fix(tvix): globally reintroduce --quiet and --verbose flags.multi2-2/+14
The --quiet and -v/--verbose flags were removed during the glog conversion in d0c44425e147ab7d38410f400825ad20da15037b, which has previously broken programs like e.g. home-manager, which passes --quiet to nix-build. A nix-build-specific workaround was added in 24f9354d5b8e1521d00f41a7c100b8e9ad327ce7, which manipulates the FLAGS_stderrthreshold global variable from glog. This commit moves the --quiet logic back into the argument handling code in libmain, and adds corresponding handling for -v/--verbose. Change-Id: I13d860ebbb78541d9f1236691a1efe8bd2163c67 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2170 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi>
2020-11-27 r/1943 refactor(tvix): Prefer absl::StrFormat/StrAppendGriffin Smith1-6/+13
This fmt call was particularly egregious Change-Id: I2a3b1006c285170ab3374d1c8d81fc53e82a7b05 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2174 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-11-27 r/1942 feat(tvix): Write build logs to LOG(INFO) in buildDerivationGriffin Smith1-4/+1
This was referencing a nonexistent note in buildPaths, for one, but for another let's get log outputs when calling this RPC. Change-Id: Ic9d17834b356ea84d69692ccc0249d09777e833b Reviewed-on: https://cl.tvl.fyi/c/depot/+/2173 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-11-27 r/1941 fix(txix): Override overflow in BuildLogStreambufGriffin Smith1-0/+10
Subclasses of std::streambuf are expected to override overflow in addition to xsputn, as it's called in certain cases by the non-virtual methods. In our case, this was preventing endlines from getting sent over the log stream. Change-Id: I70d00f0c7cb8f8cf2f744f58974c21e7a70a715b Reviewed-on: https://cl.tvl.fyi/c/depot/+/2172 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-11-27 r/1940 fix(tvix): Remove more superfluous log outputGriffin Smith2-3/+2
- A couple of log messages had double-newlines still - Remove the [ drvPath ] bit from the "building path" output, since the derivation path is already present in the message itself. Change-Id: Ib4b514a18fcb63c7191f4d7cf0a9b857aaa3f3fa Reviewed-on: https://cl.tvl.fyi/c/depot/+/2171 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-11-27 r/1939 feat(tvix): Bump nlohmann-json version to 3.9.1Michael Reilly1-0/+8
Backporting from upstream at d860295e116f9aa0f37e2637b5ec4b9c86fdf4d3 Change-Id: Iefde47ff6f24d21e9b37c9b52a615bd8c9f2fdb2 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2141 Tested-by: BuildkiteCI Reviewed-by: andi <andi@notmuch.email>
2020-11-27 r/1938 refactor(tvix): JSONSax: Use a RootValueEelco Dolstra1-23/+24
More #3377. Backported from upstream at 9f46f54de4e55267df492456fc0393f74616366 Change-Id: I11bfca4ec56bd4e45291ce3f98a60f198dff0196 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2140 Tested-by: BuildkiteCI Reviewed-by: andi <andi@notmuch.email>
2020-11-27 r/1937 refactor(tvix): json-to-value: use unique_ptr instead of raw pointersYorick van Pelt1-21/+18
Backported from upstream at a350d0beb0e13d0f58698510bd6a96d894cd06fd Change-Id: Ib486bc1b36ef65041fab1a4634a0a82e13036fd4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2139 Tested-by: BuildkiteCI Reviewed-by: andi <andi@notmuch.email>
2020-11-27 r/1935 feat(tvix): run the test-vm with ncurses supportAndreas Rammhold1-1/+1
This allows users to use C-A C to access the QEMU console while within the VM terminal. From there you can control the process (e.g. kill it). Change-Id: If2eec2e385fd27fc4e20921dcad78be7390f9d2b Reviewed-on: https://cl.tvl.fyi/c/depot/+/2167 Reviewed-by: glittershark <grfn@gws.fyi> Tested-by: BuildkiteCI
2020-11-27 r/1934 chore(tvix): avoid unnesscary rebuilds of protos and tvixAndreas Rammhold1-2/+26
For the build of tvix we can safely ignore all the files in src/protos as well as all the nix files in the root of the repository. By passing the input sources through builtins.filterSource we can make a per-file decision whether or not we want to copy it into the store (in other words: if we consider it relevant for the build). This enables much faster development on the actual build expression. Change-Id: Ib4c01dbe9cbfa9770922f6257af2a7259814ce0d Reviewed-on: https://cl.tvl.fyi/c/depot/+/2159 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi> Reviewed-by: lukegb <lukegb@tvl.fyi>
2020-11-27 r/1933 fix(tvix): Don't double-up on endlines from log messagesGriffin Smith1-1/+1
Change-Id: I676dd4e9d8b1a7ff5389323e0462ba6681d62cf0 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2168 Reviewed-by: andi <andi@notmuch.email> Reviewed-by: kanepyork <rikingcoding@gmail.com> Tested-by: BuildkiteCI
2020-11-27 r/1931 refactor(tvix): remove signedness conversions by using std::optionalKane York1-4/+4
The different signedness of level and withLevel was causing implicit conversions. Use a nullopt instead of a -1 sentinel value. third_party/nix/src/libexpr/nixexpr.cc:242:21: warning: narrowing conversion from 'unsigned int' to signed type 'int' is implementation-defined [bugprone-narrowing-conversions] Change-Id: I7c2cadb6fd6bbff6c5b84028651ad4ebba423297 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2157 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in> Reviewed-by: glittershark <grfn@gws.fyi>
2020-11-27 r/1930 fix(tvix): make unsigned conversion explicitKane York1-1/+1
Implicit signedness conversion was causing warnings. Perform a static_cast; this value should never be out of range. third_party/nix/src/libmain/shared.cc:310:12: warning: narrowing conversion from 'unsigned int' to signed type 'int' is implementation-defined [bugprone-narrowing-conversions] Change-Id: I34fe53d186ae33f970147135bbe3894fb39a0ec7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2156 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in> Reviewed-by: glittershark <grfn@gws.fyi>
2020-11-27 r/1929 fix(tvix): sqlite bind argument number is signedKane York1-1/+1
third_party/nix/src/libstore/sqlite.cc:89:33: warning: narrowing conversion from 'unsigned int' to signed type 'int' is implementation-defined [bugprone-narrowing-conversions] Change-Id: I1dbc01acaecc4f382f63e7108429cd814ff05f4f Reviewed-on: https://cl.tvl.fyi/c/depot/+/2155 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in> Reviewed-by: glittershark <grfn@gws.fyi>
2020-11-27 r/1924 feat(tvix): builtins.fromJSON: use nlohmann/json parser instead of custom parserYorick van Pelt1-153/+114
backported from upstream at f1fac0b5c3b75efab781949fdff2b67ffdda2cb3 Change-Id: I788e3a9b930351118a5f248b356c351afd7f5391 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2138 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-11-22 r/1910 feat(tvix): Support a --quiet argument to nix-buildGriffin Smith1-0/+2
This is passed by some third-party tools, notably home-manager. At some point we should fully revamp argument parsing and log verbosity setting, but for now this gets us to more of a working state Fixes: b/78 Change-Id: I4134b17315e30145fd43d3659f407d7121ce8876 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2136 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-11-22 r/1909 fix(tvix): Add endlines to build log messagesGriffin Smith1-16/+19
Change-Id: Id6e871a2b7fbb24fb5c8e84e1638bfe94e363b57 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2135 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-11-22 r/1908 feat(tvix): Convert some DLOGs to VLOGsGriffin Smith6-10/+10
It seems like the amount of logging is causing things to move a little slower - even if that's not really the case, it gets in the way of debugging things. Refs: b/76 Change-Id: I9ea99a3b16e3307a0b0371bad22d03b0e2175af6 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2134 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-11-22 r/1906 feat(tvix): Add a pos field to more expr classesGriffin Smith2-6/+14
To aid in both debugging and (eventually) printing stacktraces, add a Pos member to a few more Expr variants. Change-Id: Ic1d2a056fc7e6c07bc3e79fa38845cb4a5da5ca5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2133 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-11-21 r/1894 chore(3p): Bump nixpkgs to nixos-unstable from 2020-11-21Vincent Ambo13-70/+65
Included fixes for random breakage: * 3p/awscli: pick from the stable channel; it is broken on unstable * 3p/googletest: bumped version & removed patches that nixpkgs applies * 3p/lisp/cffi: bumped library version for SBCL compat * 3p/nix: fix libsystemd attribute * 3p/nix: reformatted (clang-format handling of ternaries changed) * glittershark/home: Use home-manager from nixkpgs * glittershark/kernel: bumped linux-ck patch hash * glittershark/kernel: removed "patch patch" * multi/whitby: Use home-manager from nixpkgs * tazjin/frog: drop Sourcetrail (it doesn't build currently) Note that in addition to these changes, some previous CLs updated the versions of git and cgit which was necessary for this channel bump, but which could not be done in the same commit due to the nature of the subtree merges. Change-Id: If2563e8a68e2750c4b913a976ff7b93b42e8b7f3 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2110 Tested-by: BuildkiteCI Reviewed-by: multi <depot@in-addr.xyz> Reviewed-by: glittershark <grfn@gws.fyi>
2020-11-21 r/1892 fix(3p/cgit): Rename remaining 'sha1' references to 'oid'Vincent Ambo1-2/+2
This changed upstream & upstream-upstream, but was still used in our patches. Change-Id: Id33f868a4f188deb3348425276bc5b4c4b36aff9
2020-11-21 r/1891 merge(3p/cgit): subtree merge at adcc4f82Vincent Ambo26-135/+299
Change-Id: I16941629a17a2f39b9324cb85dc0cec6b104dfe4
2020-11-21 r/1890 merge(3p/git): Merge git subtree at v2.29.2Vincent Ambo1485-100645/+232762
This also bumps the stable nixpkgs to 20.09 as of 2020-11-21, because there is some breakage in the git build related to the netrc credentials helper which someone has taken care of in nixpkgs. The stable channel is not used for anything other than git, so this should be fine. Change-Id: I3575a19dab09e1e9556cf8231d717de9890484fb
2020-11-21 r/1889 merge(3p/absl): subtree merge of Abseil up to e19260fVincent Ambo854-5218/+11182
... notably, this includes Abseil's own StatusOr type, which conflicted with our implementation (that was taken from TensorFlow). Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
2020-11-21 r/1888 chore(tvix): Use StatusOr API available in Abseil's versionVincent Ambo4-8/+13
The Abseil version of `StatusOr` does not come with the status macros or the `Consume*` family of functions. This change modifies the existing code to use the common denominator of the API that is available between Abseil's own implementation of `StatusOr` and the one from Tensorflow that we are currently using. Change-Id: I5c37f68636a1fd54d153f95d7303ab8644abb774
2020-11-19 r/1886 fix(tvix): Use copy constructor to add strings to protosGriffin Smith2-1/+29
Passing a string directly to add_paths like this causes the proto class to take ownership over the string, meaning when it is destructed it will *explicitly* free the string. When the string's actual owner (the derivation struct) then goes out of scope it'll get freed again, causing a double-free. This fixes that to instead use the copy constructor to assign to a pointer to a new path, and covers the whole to_proto method with a rapidcheck test. Fixes: b/64 Change-Id: I84235bed9104ff430a0acf686d4a96f1e2e9a897 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2106 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-11-19 r/1885 fix(tvix): Use mutable field for assigning proto fieldsGriffin Smith1-2/+2
This was accidentally using the proto arena API to assign the derivation field of a BuildDerivationRequest. We *thought* this was causing a double free, but even with this change that's still happening. That said, this change is probably still a good idea since it's using the proto API as intended. References: b/64 Change-Id: I950a4eafb214e9113639ea54d2dfd4659b7be931 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2104 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-11-08 r/1874 feat(3p/irccat): init at '06a985y4'Vincent Ambo1-0/+16
This is to be used for forwarding messages to our IRC channels. Change-Id: I6362c6f50a22f504588a7161d41a170f4e7a6edc Reviewed-on: https://cl.tvl.fyi/c/depot/+/2073 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi> Reviewed-by: lukegb <lukegb@tvl.fyi>
2020-11-08 r/1872 chore(3p/exwm): Update derivation to build local sourcesVincent Ambo2-13/+7
... this should also update my system EXWM. Change-Id: Idfbbda67613ac678dc2d5f82533e1c6176ab4a28 Reviewed-on: https://cl.tvl.fyi/c/depot/+/2072 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi>
2020-11-08 r/1871 chore(3p/emacs/exwm): Import from commit ↵Vincent Ambo16-0/+8567
'0368127976bda29d35eed788edfe74644ecd3845' Imported from https://github.com/ch11ng/exwm/commit/0368127976bda29d35eed788edfe74644ecd3845 git-subtree-dir: third_party/emacs/exwm git-subtree-mainline: e84f9ef0adb48db610fd06d6ff75edd073712a90 git-subtree-split: 0368127976bda29d35eed788edfe74644ecd3845 Change-Id: Id3af5610254180f42947d71265aad89def7c6a3d
2020-09-23 r/1813 chore(3p/rr): Upgrade to latest master with Zen workaroundsVincent Ambo2-50/+12
* bumps to HEAD of master * include the zen_workaround script in the drv output Change-Id: I8f5f33a61b9395295c02f3ea5e930a81b3ffa7ac Reviewed-on: https://cl.tvl.fyi/c/depot/+/1990 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com> Reviewed-by: glittershark <grfn@gws.fyi>
2020-09-16 r/1795 fix(tvix): Convert INVALID_ARGUMENT to InvalidPathGriffin Smith1-2/+6
The code that calls queryPathInfoUncached explicitly catches the InvalidPath exception and translates it into a null result - but the RPC code was throwing a regular old Error for invalid paths. At some point we should get rid of all the exception-driven control flow in this whole thing, but in the meantime this gets us back to functional. Change-Id: I2a38790ee0c691ab0c8394c7738d7693fa42aa10 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1980 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-09-15 r/1794 refactor(3p/tvix): make Value.primOp a std::shared_ptrKane York2-4/+3
Change-Id: I04cc42ae62d2ff71b07fde8e3710dcc9b4363a05 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1973 Reviewed-by: glittershark <grfn@gws.fyi> Tested-by: BuildkiteCI
2020-09-15 r/1793 fix(3p/tvix): properly zero the largest member of ValueKane York1-1/+4
The static_assert is present to force us to change the constructor when a member grows. Change-Id: Ifa4f4a03eb7ce13cff109cf26ecf0032045905e9 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1972 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi>
2020-09-15 r/1792 refactor(3p/tvix): convert NixList usage to shared_ptrKane York4-12/+12
Starting to reclaim memory. Fairly simple mechanical replacement. Change-Id: I6b4c5c5596729470d1a049eba61e69e8097decf4 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1971 Tested-by: BuildkiteCI Reviewed-by: glittershark <grfn@gws.fyi>
2020-09-14 r/1791 refactor(tvix): Make static strings constexpr string_viewsGriffin Smith8-42/+46
Make all static std::strings constexpr std::string_views, and replace concatenation with absl::StrCat where necessary. Technically all of these are constant, so they really don't need to be top-level statics - and since I'm trying to get rid of as much global state as possible in preparation for making the nix daemon properly multithreaded I figured I'd knock these out while I was at it. Change-Id: Ibd3ad9ef68f0a0eacb135541b39fdb13dae042e1 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1939 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-09-10 r/1783 refactor(tvix): Convert refLength to constexprGriffin Smith1-9/+9
This is constant, so let's make it a constexpr. Change-Id: I6a9eb9f740979740f730ebe142d2cbf23dbcfd70 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1961 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-09-10 r/1782 fix(tvix): Make working flag thread_localGriffin Smith1-5/+4
Since the daemon is running in threads now rather than forking a process per connection (thanks to grpc) this static flag to prevent accidentally initializing a new worker during a build is getting stepped on by multiple threads. This converts it to thread-local, and also adds an actual message to the check so that if it hits in the future we know what's going on. Fixes: b/58 Change-Id: I07a2f1582e56709c104f79935e5405fa24888f59 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1940 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com> Reviewed-by: V <v@anomalous.eu>
2020-09-06 r/1771 chore(tvix): dontStrip tvix buildGriffin Smith1-0/+3
This is mostly to help in tracing through the core dumps for b/58, but is also generally a good idea while we're still in hardcore debugging-mode. Fixes: b/63 Change-Id: Ib816a2a98bf3b8afa6e8b255a74ccb93af6508c5 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1937 Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
2020-09-06 r/1770 feat(tvix): Implement EnsurePath RPC handlerGriffin Smith1-0/+13
Missed this one Fixes: b/62 Change-Id: I6f3bbcd3e2a7db5786283761b57466da33a497f7 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1936 Reviewed-by: kanepyork <rikingcoding@gmail.com> Tested-by: BuildkiteCI
2020-09-06 r/1768 revert(tvix): "Disable sandboxing by default until its time comes"Griffin Smith1-8/+15
This reverts commit a41c3dedb18201aa689206079e203f41c9bef389. Reason for revert: I believe its time has come. Change-Id: I4133dc8a3b57b40b280646d1622ed7a0409c5246 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1941 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in> Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-09-06 r/1767 feat(tvix): Write even more build logs to clientGriffin Smith1-89/+84
Write *all* build logs (essentially everything that wasn't a DLOG), not just the stdout of the builder, to the client-bound log_sink_ that's threaded through build.cc. These logs are significantly more useful on the client, both when debugging tvix itself and (more importantly) when building things with it. To make this all work, this commit also refactors the passing-around of the log sink in build.cc slightly - the main reference is now owned by the Worker class, which already stores pointers to itself on the Goals it creates, so those Goals can then load the log sink from the Worker. This change was originally made to allow for logging to the log_sink from instance methods of the worker, but actually feels significantly more natural than storing the sink on the goal anyway. Change-Id: I461685bc7f5c0a326054940ac5971b568dd43f8e Reviewed-on: https://cl.tvl.fyi/c/depot/+/1925 Tested-by: BuildkiteCI Reviewed-by: tazjin <mail@tazj.in>
2020-09-01 r/1758 refactor(tvix): Remove default buildMode arguments from libstoreGriffin Smith1-4/+4
These were not used anyway, and *may* have been causing a weird series of problems leading to things sometimes aborting. Or maybe it has nothing to do with it - the only correlation we've found is from disassembling the output of a core dump. Regardless, this feels stylistically like a good idea. Change-Id: I288b50945e74ea90c118a21767fa4387c9f47f7d Reviewed-on: https://cl.tvl.fyi/c/depot/+/1921 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-09-01 r/1757 feat(tvix): Print "Tvix" in the version stringGriffin Smith1-1/+1
Rather than printing "Nix" in the version string, print "Tvix". This is cosmetically nice, but also is very useful when making sure I actually have installed tvix on a system successfully. Change-Id: Idd1a9954bd66509327f52b7457cfba2f090ab30c Reviewed-on: https://cl.tvl.fyi/c/depot/+/1924 Reviewed-by: kanepyork <rikingcoding@gmail.com> Tested-by: BuildkiteCI
2020-09-01 r/1756 refactor(tvix): getEnv(): Return std::optionalEelco Dolstra17-66/+66
This allows distinguishing between an empty value and no value. Patch ported from upstream at https://github.com/NixOS/nix/commit/ba87b08f8529e4d9f8c58d8c625152058ceadb75 Change-Id: I061cc8e16b1a7a0341adfc3b0edca1c0c51d5c97 Reviewed-on: https://cl.tvl.fyi/c/depot/+/1884 Tested-by: BuildkiteCI Reviewed-by: kanepyork <rikingcoding@gmail.com>
2020-09-01 r/1755 feat(tvix): Support systemd socket activationGriffin Smith3-14/+85
When the nix daemon starts up, first check (using sd_listen_fds) whether we have been systemd socket-activated. If so, instead of passing the nix daemon socket path to grpc, start a manual accept(2) loop, passing the client file descriptors to grpc via AddInsecureChannelFromFd. There's an open grpc issue at https://github.com/grpc/grpc/issues/19133 for building support into grpc to do this automatically, but as of right now this appears to be the only way to make this happen. Making this happen, by the way, was a bit of a journey - at one point I attempted to ServerBuilder's experimental AddExternalConnectionAcceptor API, and that didn't work either - it appears that the final missing piece to getting this working was explicitly fcntl(2)ing the client file descriptors to set O_NONBLOCK before passing them into gRPC. With that set, this all works inside of the test vm. Fixes: b/56 Change-Id: I5d2ab2b5b02eb570249b30a9674e115c61b0ab0e Reviewed-on: https://cl.tvl.fyi/c/depot/+/1882 Reviewed-by: kanepyork <rikingcoding@gmail.com> Reviewed-by: tazjin <mail@tazj.in> Tested-by: BuildkiteCI
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