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Merge branch 'master' into bundler_drv

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tomberek 2022-01-28 10:18:29 -05:00 committed by GitHub
parent 73e82ae954 4bf6af7b55
commit 2bf96bd9f2
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44 changed files with 166 additions and 27171 deletions
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4
.github/workflows/ci.yml vendored
View file

@ -25,7 +25,7 @@ jobs:
name: '${{ env.CACHIX_NAME }}' name: '${{ env.CACHIX_NAME }}'
signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}' signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}' authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
- run: nix-build -A checks.$(nix-instantiate --eval -E '(builtins.currentSystem)') - run: nix --experimental-features 'nix-command flakes' flake check -L
check_cachix: check_cachix:
name: Cachix secret present for installer tests name: Cachix secret present for installer tests
@ -95,7 +95,7 @@ jobs:
name: '${{ env.CACHIX_NAME }}' name: '${{ env.CACHIX_NAME }}'
signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}' signingKey: '${{ secrets.CACHIX_SIGNING_KEY }}'
authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}' authToken: '${{ secrets.CACHIX_AUTH_TOKEN }}'
- run: nix-build -A checks.$(nix-instantiate --eval -E 'builtins.currentSystem' --json).dockerImage - run: nix --experimental-features 'nix-command flakes' build .#dockerImage -L
- run: docker load -i ./result/image.tar.gz - run: docker load -i ./result/image.tar.gz
- run: docker tag nix:$NIX_VERSION nixos/nix:$NIX_VERSION - run: docker tag nix:$NIX_VERSION nixos/nix:$NIX_VERSION
- run: docker tag nix:$NIX_VERSION nixos/nix:master - run: docker tag nix:$NIX_VERSION nixos/nix:master

4
.gitignore vendored
View file

@ -120,3 +120,7 @@ GTAGS
compile_commands.json compile_commands.json
nix-rust/target nix-rust/target
result
.vscode/

1
Makefile
View file

@ -10,7 +10,6 @@ makefiles = \
src/libexpr/local.mk \ src/libexpr/local.mk \
src/libcmd/local.mk \ src/libcmd/local.mk \
src/nix/local.mk \ src/nix/local.mk \
src/nlohmann/local.mk \
src/resolve-system-dependencies/local.mk \ src/resolve-system-dependencies/local.mk \
scripts/local.mk \ scripts/local.mk \
misc/bash/local.mk \ misc/bash/local.mk \

4
configure.ac
View file

@ -262,6 +262,10 @@ fi
PKG_CHECK_MODULES([GTEST], [gtest_main]) PKG_CHECK_MODULES([GTEST], [gtest_main])
# Look for nlohmann/json.
PKG_CHECK_MODULES([NLOHMANN_JSON], [nlohmann_json >= 3.9])
# documentation generation switch # documentation generation switch
AC_ARG_ENABLE(doc-gen, AS_HELP_STRING([--disable-doc-gen],[disable documentation generation]), AC_ARG_ENABLE(doc-gen, AS_HELP_STRING([--disable-doc-gen],[disable documentation generation]),
doc_generate=$enableval, doc_generate=yes) doc_generate=$enableval, doc_generate=yes)

2
default.nix
View file

@ -1,3 +1,3 @@
(import (fetchTarball https://github.com/edolstra/flake-compat/archive/master.tar.gz) { (import (fetchTarball "https://github.com/edolstra/flake-compat/archive/master.tar.gz") {
src = ./.; src = ./.;
}).defaultNix }).defaultNix

1
doc/manual/src/release-notes/rl-next.md
View file

@ -6,3 +6,4 @@
new [repository](https://github.com/NixOS/bundlers) has various bundlers new [repository](https://github.com/NixOS/bundlers) has various bundlers
implemented. implemented.
* `nix store ping` now reports the version of the remote Nix daemon.

29
flake.nix
View file

@ -133,6 +133,7 @@
./boehmgc-coroutine-sp-fallback.diff ./boehmgc-coroutine-sp-fallback.diff
]; ];
})) }))
nlohmann_json
]; ];
perlDeps = perlDeps =
@ -446,19 +447,7 @@
installerScriptForGHA = installScriptFor [ "x86_64-linux" "x86_64-darwin" "armv6l-linux" "armv7l-linux"]; installerScriptForGHA = installScriptFor [ "x86_64-linux" "x86_64-darwin" "armv6l-linux" "armv7l-linux"];
# docker image with Nix inside # docker image with Nix inside
dockerImage = nixpkgs.lib.genAttrs linux64BitSystems (system: dockerImage = nixpkgs.lib.genAttrs linux64BitSystems (system: self.packages.${system}.dockerImage);
let
pkgs = nixpkgsFor.${system};
image = import ./docker.nix { inherit pkgs; tag = version; };
in pkgs.runCommand "docker-image-tarball-${version}"
{ meta.description = "Docker image with Nix for ${system}";
}
''
mkdir -p $out/nix-support
image=$out/image.tar.gz
ln -s ${image} $image
echo "file binary-dist $image" >> $out/nix-support/hydra-build-products
'');
# Line coverage analysis. # Line coverage analysis.
coverage = coverage =
@ -605,6 +594,20 @@
hardeningDisable = [ "pie" ]; hardeningDisable = [ "pie" ];
}; };
dockerImage =
let
pkgs = nixpkgsFor.${system};
image = import ./docker.nix { inherit pkgs; tag = version; };
in
pkgs.runCommand
"docker-image-tarball-${version}"
{ meta.description = "Docker image with Nix for ${system}"; }
''
mkdir -p $out/nix-support
image=$out/image.tar.gz
ln -s ${image} $image
echo "file binary-dist $image" >> $out/nix-support/hydra-build-products
'';
} // builtins.listToAttrs (map (crossSystem: { } // builtins.listToAttrs (map (crossSystem: {
name = "nix-${crossSystem}"; name = "nix-${crossSystem}";
value = let value = let

399
nix-rust/Cargo.lock generated
View file

@ -1,399 +0,0 @@
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# It is not intended for manual editing.
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source = "registry+https://github.com/rust-lang/crates.io-index"
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version = "0.5.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
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version = "1.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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"checksum ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "74490b50b9fbe561ac330df47c08f3f33073d2d00c150f719147d7c54522fa1b"
"checksum proptest 0.9.4 (registry+https://github.com/rust-lang/crates.io-index)" = "cf147e022eacf0c8a054ab864914a7602618adba841d800a9a9868a5237a529f"
"checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
"checksum rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
"checksum rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3ae1b169243eaf61759b8475a998f0a385e42042370f3a7dbaf35246eacc8412"
"checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
"checksum rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "03a2a90da8c7523f554344f921aa97283eadf6ac484a6d2a7d0212fa7f8d6853"
"checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
"checksum rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
"checksum rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
"checksum rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
"checksum rand_hc 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
"checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
"checksum rand_jitter 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
"checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
"checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
"checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
"checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
"checksum redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)" = "2439c63f3f6139d1b57529d16bc3b8bb855230c8efcc5d3a896c8bea7c3b1e84"
"checksum regex-syntax 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "11a7e20d1cce64ef2fed88b66d347f88bd9babb82845b2b858f3edbf59a4f716"
"checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
"checksum rusty-fork 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3dd93264e10c577503e926bd1430193eeb5d21b059148910082245309b424fae"
"checksum tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
"checksum wait-timeout 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9f200f5b12eb75f8c1ed65abd4b2db8a6e1b138a20de009dacee265a2498f3f6"
"checksum wasi 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b89c3ce4ce14bdc6fb6beaf9ec7928ca331de5df7e5ea278375642a2f478570d"
"checksum winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)" = "8093091eeb260906a183e6ae1abdba2ef5ef2257a21801128899c3fc699229c6"
"checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
"checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"

23
nix-rust/Cargo.toml
View file

@ -1,23 +0,0 @@
[package]
name = "nix-rust"
version = "0.1.0"
authors = ["Eelco Dolstra <edolstra@gmail.com>"]
edition = "2018"
[lib]
name = "nixrust"
crate-type = ["cdylib"]
[dependencies]
libc = "0.2"
#futures-preview = { version = "=0.3.0-alpha.19" }
#hyper = "0.13.0-alpha.4"
#http = "0.1"
#tokio = { version = "0.2.0-alpha.6", default-features = false, features = ["rt-full"] }
lazy_static = "1.4"
#byteorder = "1.3"
[dev-dependencies]
hex = "0.3"
assert_matches = "1.3"
proptest = "0.9"

48
nix-rust/local.mk
View file

@ -1,48 +0,0 @@
ifeq ($(OPTIMIZE), 1)
RUST_MODE = --release
RUST_DIR = release
else
RUST_MODE =
RUST_DIR = debug
endif
libnixrust_PATH := $(d)/target/$(RUST_DIR)/libnixrust.$(SO_EXT)
libnixrust_INSTALL_PATH := $(libdir)/libnixrust.$(SO_EXT)
libnixrust_LDFLAGS_USE := -L$(d)/target/$(RUST_DIR) -lnixrust
libnixrust_LDFLAGS_USE_INSTALLED := -L$(libdir) -lnixrust
ifdef HOST_LINUX
libnixrust_LDFLAGS_USE += -ldl
libnixrust_LDFLAGS_USE_INSTALLED += -ldl
endif
ifdef HOST_DARWIN
libnixrust_BUILD_FLAGS = NIX_LDFLAGS="-undefined dynamic_lookup"
else
libnixrust_LDFLAGS_USE += -Wl,-rpath,$(abspath $(d)/target/$(RUST_DIR))
libnixrust_LDFLAGS_USE_INSTALLED += -Wl,-rpath,$(libdir)
endif
$(libnixrust_PATH): $(call rwildcard, $(d)/src, *.rs) $(d)/Cargo.toml
$(trace-gen) cd nix-rust && CARGO_HOME=$$(if [[ -d vendor ]]; then echo vendor; fi) \
$(libnixrust_BUILD_FLAGS) \
cargo build $(RUST_MODE) $$(if [[ -d vendor ]]; then echo --offline; fi) \
&& touch target/$(RUST_DIR)/libnixrust.$(SO_EXT)
$(libnixrust_INSTALL_PATH): $(libnixrust_PATH)
$(target-gen) cp $^ $@
ifdef HOST_DARWIN
install_name_tool -id $@ $@
endif
clean: clean-rust
clean-rust:
$(suppress) rm -rfv nix-rust/target
ifndef HOST_DARWIN
check: rust-tests
rust-tests:
$(trace-test) cd nix-rust && CARGO_HOME=$$(if [[ -d vendor ]]; then echo vendor; fi) cargo test --release $$(if [[ -d vendor ]]; then echo --offline; fi)
endif

77
nix-rust/src/c.rs
View file

@ -1,77 +0,0 @@
use super::{error, store::path, store::StorePath, util};
#[no_mangle]
pub unsafe extern "C" fn ffi_String_new(s: &str, out: *mut String) {
// FIXME: check whether 's' is valid UTF-8?
out.write(s.to_string())
}
#[no_mangle]
pub unsafe extern "C" fn ffi_String_drop(self_: *mut String) {
std::ptr::drop_in_place(self_);
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_new(
path: &str,
store_dir: &str,
) -> Result<StorePath, error::CppException> {
StorePath::new(std::path::Path::new(path), std::path::Path::new(store_dir))
.map_err(|err| err.into())
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_new2(
hash: &[u8; crate::store::path::STORE_PATH_HASH_BYTES],
name: &str,
) -> Result<StorePath, error::CppException> {
StorePath::from_parts(*hash, name).map_err(|err| err.into())
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_fromBaseName(
base_name: &str,
) -> Result<StorePath, error::CppException> {
StorePath::new_from_base_name(base_name).map_err(|err| err.into())
}
#[no_mangle]
pub unsafe extern "C" fn ffi_StorePath_drop(self_: *mut StorePath) {
std::ptr::drop_in_place(self_);
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_to_string(self_: &StorePath) -> Vec<u8> {
let mut buf = vec![0; path::STORE_PATH_HASH_CHARS + 1 + self_.name.name().len()];
util::base32::encode_into(self_.hash.hash(), &mut buf[0..path::STORE_PATH_HASH_CHARS]);
buf[path::STORE_PATH_HASH_CHARS] = b'-';
buf[path::STORE_PATH_HASH_CHARS + 1..].clone_from_slice(self_.name.name().as_bytes());
buf
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_less_than(a: &StorePath, b: &StorePath) -> bool {
a < b
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_eq(a: &StorePath, b: &StorePath) -> bool {
a == b
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_clone(self_: &StorePath) -> StorePath {
self_.clone()
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_name(self_: &StorePath) -> &str {
self_.name.name()
}
#[no_mangle]
pub extern "C" fn ffi_StorePath_hash_data(
self_: &StorePath,
) -> &[u8; crate::store::path::STORE_PATH_HASH_BYTES] {
self_.hash.hash()
}

118
nix-rust/src/error.rs
View file

@ -1,118 +0,0 @@
use std::fmt;
#[derive(Debug)]
pub enum Error {
InvalidPath(crate::store::StorePath),
BadStorePath(std::path::PathBuf),
NotInStore(std::path::PathBuf),
BadNarInfo,
BadBase32,
StorePathNameEmpty,
StorePathNameTooLong,
BadStorePathName,
NarSizeFieldTooBig,
BadNarString,
BadNarPadding,
BadNarVersionMagic,
MissingNarOpenTag,
MissingNarCloseTag,
MissingNarField,
BadNarField(String),
BadExecutableField,
IOError(std::io::Error),
#[cfg(unused)]
HttpError(hyper::error::Error),
Misc(String),
#[cfg(not(test))]
Foreign(CppException),
BadTarFileMemberName(String),
}
impl From<std::io::Error> for Error {
fn from(err: std::io::Error) -> Self {
Error::IOError(err)
}
}
#[cfg(unused)]
impl From<hyper::error::Error> for Error {
fn from(err: hyper::error::Error) -> Self {
Error::HttpError(err)
}
}
impl fmt::Display for Error {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
match self {
Error::InvalidPath(_) => write!(f, "invalid path"),
Error::BadNarInfo => write!(f, ".narinfo file is corrupt"),
Error::BadStorePath(path) => write!(f, "path '{}' is not a store path", path.display()),
Error::NotInStore(path) => {
write!(f, "path '{}' is not in the Nix store", path.display())
}
Error::BadBase32 => write!(f, "invalid base32 string"),
Error::StorePathNameEmpty => write!(f, "store path name is empty"),
Error::StorePathNameTooLong => {
write!(f, "store path name is longer than 211 characters")
}
Error::BadStorePathName => write!(f, "store path name contains forbidden character"),
Error::NarSizeFieldTooBig => write!(f, "size field in NAR is too big"),
Error::BadNarString => write!(f, "NAR string is not valid UTF-8"),
Error::BadNarPadding => write!(f, "NAR padding is not zero"),
Error::BadNarVersionMagic => write!(f, "unsupported NAR version"),
Error::MissingNarOpenTag => write!(f, "NAR open tag is missing"),
Error::MissingNarCloseTag => write!(f, "NAR close tag is missing"),
Error::MissingNarField => write!(f, "expected NAR field is missing"),
Error::BadNarField(s) => write!(f, "unrecognized NAR field '{}'", s),
Error::BadExecutableField => write!(f, "bad 'executable' field in NAR"),
Error::IOError(err) => write!(f, "I/O error: {}", err),
#[cfg(unused)]
Error::HttpError(err) => write!(f, "HTTP error: {}", err),
#[cfg(not(test))]
Error::Foreign(_) => write!(f, "<C++ exception>"), // FIXME
Error::Misc(s) => write!(f, "{}", s),
Error::BadTarFileMemberName(s) => {
write!(f, "tar archive contains illegal file name '{}'", s)
}
}
}
}
#[cfg(not(test))]
impl From<Error> for CppException {
fn from(err: Error) -> Self {
match err {
Error::Foreign(ex) => ex,
_ => CppException::new(&err.to_string()),
}
}
}
#[cfg(not(test))]
#[repr(C)]
#[derive(Debug)]
pub struct CppException(*const libc::c_void); // == std::exception_ptr*
#[cfg(not(test))]
impl CppException {
fn new(s: &str) -> Self {
Self(unsafe { make_error(s) })
}
}
#[cfg(not(test))]
impl Drop for CppException {
fn drop(&mut self) {
unsafe {
destroy_error(self.0);
}
}
}
#[cfg(not(test))]
extern "C" {
#[allow(improper_ctypes)] // YOLO
fn make_error(s: &str) -> *const libc::c_void;
fn destroy_error(exc: *const libc::c_void);
}

10
nix-rust/src/lib.rs
View file

@ -1,10 +0,0 @@
#[allow(improper_ctypes_definitions)]
#[cfg(not(test))]
mod c;
mod error;
#[cfg(unused)]
mod nar;
mod store;
mod util;
pub use error::Error;

126
nix-rust/src/nar.rs
View file

@ -1,126 +0,0 @@
use crate::Error;
use byteorder::{LittleEndian, ReadBytesExt};
use std::convert::TryFrom;
use std::io::Read;
pub fn parse<R: Read>(input: &mut R) -> Result<(), Error> {
if String::read(input)? != NAR_VERSION_MAGIC {
return Err(Error::BadNarVersionMagic);
}
parse_file(input)
}
const NAR_VERSION_MAGIC: &str = "nix-archive-1";
fn parse_file<R: Read>(input: &mut R) -> Result<(), Error> {
if String::read(input)? != "(" {
return Err(Error::MissingNarOpenTag);
}
if String::read(input)? != "type" {
return Err(Error::MissingNarField);
}
match String::read(input)?.as_ref() {
"regular" => {
let mut _executable = false;
let mut tag = String::read(input)?;
if tag == "executable" {
_executable = true;
if String::read(input)? != "" {
return Err(Error::BadExecutableField);
}
tag = String::read(input)?;
}
if tag != "contents" {
return Err(Error::MissingNarField);
}
let _contents = Vec::<u8>::read(input)?;
if String::read(input)? != ")" {
return Err(Error::MissingNarCloseTag);
}
}
"directory" => loop {
match String::read(input)?.as_ref() {
"entry" => {
if String::read(input)? != "(" {
return Err(Error::MissingNarOpenTag);
}
if String::read(input)? != "name" {
return Err(Error::MissingNarField);
}
let _name = String::read(input)?;
if String::read(input)? != "node" {
return Err(Error::MissingNarField);
}
parse_file(input)?;
let tag = String::read(input)?;
if tag != ")" {
return Err(Error::MissingNarCloseTag);
}
}
")" => break,
s => return Err(Error::BadNarField(s.into())),
}
},
"symlink" => {
if String::read(input)? != "target" {
return Err(Error::MissingNarField);
}
let _target = String::read(input)?;
if String::read(input)? != ")" {
return Err(Error::MissingNarCloseTag);
}
}
s => return Err(Error::BadNarField(s.into())),
}
Ok(())
}
trait Deserialize: Sized {
fn read<R: Read>(input: &mut R) -> Result<Self, Error>;
}
impl Deserialize for String {
fn read<R: Read>(input: &mut R) -> Result<Self, Error> {
let buf = Deserialize::read(input)?;
Ok(String::from_utf8(buf).map_err(|_| Error::BadNarString)?)
}
}
impl Deserialize for Vec<u8> {
fn read<R: Read>(input: &mut R) -> Result<Self, Error> {
let n: usize = Deserialize::read(input)?;
let mut buf = vec![0; n];
input.read_exact(&mut buf)?;
skip_padding(input, n)?;
Ok(buf)
}
}
fn skip_padding<R: Read>(input: &mut R, len: usize) -> Result<(), Error> {
if len % 8 != 0 {
let mut buf = [0; 8];
let buf = &mut buf[0..8 - (len % 8)];
input.read_exact(buf)?;
if !buf.iter().all(|b| *b == 0) {
return Err(Error::BadNarPadding);
}
}
Ok(())
}
impl Deserialize for u64 {
fn read<R: Read>(input: &mut R) -> Result<Self, Error> {
Ok(input.read_u64::<LittleEndian>()?)
}
}
impl Deserialize for usize {
fn read<R: Read>(input: &mut R) -> Result<Self, Error> {
let n: u64 = Deserialize::read(input)?;
Ok(usize::try_from(n).map_err(|_| Error::NarSizeFieldTooBig)?)
}
}

48
nix-rust/src/store/binary_cache_store.rs
View file

@ -1,48 +0,0 @@
use super::{PathInfo, Store, StorePath};
use crate::Error;
use hyper::client::Client;
pub struct BinaryCacheStore {
base_uri: String,
client: Client<hyper::client::HttpConnector, hyper::Body>,
}
impl BinaryCacheStore {
pub fn new(base_uri: String) -> Self {
Self {
base_uri,
client: Client::new(),
}
}
}
impl Store for BinaryCacheStore {
fn query_path_info(
&self,
path: &StorePath,
) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<PathInfo, Error>> + Send>> {
let uri = format!("{}/{}.narinfo", self.base_uri.clone(), path.hash);
let path = path.clone();
let client = self.client.clone();
let store_dir = self.store_dir().to_string();
Box::pin(async move {
let response = client.get(uri.parse::<hyper::Uri>().unwrap()).await?;
if response.status() == hyper::StatusCode::NOT_FOUND
|| response.status() == hyper::StatusCode::FORBIDDEN
{
return Err(Error::InvalidPath(path));
}
let mut body = response.into_body();
let mut bytes = Vec::new();
while let Some(next) = body.next().await {
bytes.extend(next?);
}
PathInfo::parse_nar_info(std::str::from_utf8(&bytes).unwrap(), &store_dir)
})
}
}

17
nix-rust/src/store/mod.rs
View file

@ -1,17 +0,0 @@
pub mod path;
#[cfg(unused)]
mod binary_cache_store;
#[cfg(unused)]
mod path_info;
#[cfg(unused)]
mod store;
pub use path::{StorePath, StorePathHash, StorePathName};
#[cfg(unused)]
pub use binary_cache_store::BinaryCacheStore;
#[cfg(unused)]
pub use path_info::PathInfo;
#[cfg(unused)]
pub use store::Store;

224
nix-rust/src/store/path.rs
View file

@ -1,224 +0,0 @@
use crate::error::Error;
use crate::util::base32;
use std::fmt;
use std::path::Path;
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
pub struct StorePath {
pub hash: StorePathHash,
pub name: StorePathName,
}
pub const STORE_PATH_HASH_BYTES: usize = 20;
pub const STORE_PATH_HASH_CHARS: usize = 32;
impl StorePath {
pub fn new(path: &Path, store_dir: &Path) -> Result<Self, Error> {
if path.parent() != Some(store_dir) {
return Err(Error::NotInStore(path.into()));
}
Self::new_from_base_name(
path.file_name()
.ok_or_else(|| Error::BadStorePath(path.into()))?
.to_str()
.ok_or_else(|| Error::BadStorePath(path.into()))?,
)
}
pub fn from_parts(hash: [u8; STORE_PATH_HASH_BYTES], name: &str) -> Result<Self, Error> {
Ok(StorePath {
hash: StorePathHash(hash),
name: StorePathName::new(name)?,
})
}
pub fn new_from_base_name(base_name: &str) -> Result<Self, Error> {
if base_name.len() < STORE_PATH_HASH_CHARS + 1
|| base_name.as_bytes()[STORE_PATH_HASH_CHARS] != b'-'
{
return Err(Error::BadStorePath(base_name.into()));
}
Ok(StorePath {
hash: StorePathHash::new(&base_name[0..STORE_PATH_HASH_CHARS])?,
name: StorePathName::new(&base_name[STORE_PATH_HASH_CHARS + 1..])?,
})
}
}
impl fmt::Display for StorePath {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
write!(f, "{}-{}", self.hash, self.name)
}
}
#[derive(Clone, PartialEq, Eq, Debug)]
pub struct StorePathHash([u8; STORE_PATH_HASH_BYTES]);
impl StorePathHash {
pub fn new(s: &str) -> Result<Self, Error> {
assert_eq!(s.len(), STORE_PATH_HASH_CHARS);
let v = base32::decode(s)?;
assert_eq!(v.len(), STORE_PATH_HASH_BYTES);
let mut bytes: [u8; 20] = Default::default();
bytes.copy_from_slice(&v[0..STORE_PATH_HASH_BYTES]);
Ok(Self(bytes))
}
pub fn hash(&self) -> &[u8; STORE_PATH_HASH_BYTES] {
&self.0
}
}
impl fmt::Display for StorePathHash {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
let mut buf = vec![0; STORE_PATH_HASH_CHARS];
base32::encode_into(&self.0, &mut buf);
f.write_str(std::str::from_utf8(&buf).unwrap())
}
}
impl Ord for StorePathHash {
fn cmp(&self, other: &Self) -> std::cmp::Ordering {
// Historically we've sorted store paths by their base32
// serialization, but our base32 encodes bytes in reverse
// order. So compare them in reverse order as well.
self.0.iter().rev().cmp(other.0.iter().rev())
}
}
impl PartialOrd for StorePathHash {
fn partial_cmp(&self, other: &Self) -> Option<std::cmp::Ordering> {
Some(self.cmp(other))
}
}
#[derive(Clone, PartialEq, Eq, PartialOrd, Ord, Debug)]
pub struct StorePathName(String);
impl StorePathName {
pub fn new(s: &str) -> Result<Self, Error> {
if s.is_empty() {
return Err(Error::StorePathNameEmpty);
}
if s.len() > 211 {
return Err(Error::StorePathNameTooLong);
}
let is_good_path_name = s.chars().all(|c| {
c.is_ascii_alphabetic()
|| c.is_ascii_digit()
|| c == '+'
|| c == '-'
|| c == '.'
|| c == '_'
|| c == '?'
|| c == '='
});
if s.starts_with('.') || !is_good_path_name {
return Err(Error::BadStorePathName);
}
Ok(Self(s.to_string()))
}
pub fn name(&self) -> &str {
&self.0
}
}
impl fmt::Display for StorePathName {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
f.write_str(&self.0)
}
}
#[cfg(test)]
mod tests {
use super::*;
use assert_matches::assert_matches;
#[test]
fn test_parse() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-konsole-18.12.3";
let p = StorePath::new_from_base_name(&s).unwrap();
assert_eq!(p.name.0, "konsole-18.12.3");
assert_eq!(
p.hash.0,
[
0x9f, 0x76, 0x49, 0x20, 0xf6, 0x5d, 0xe9, 0x71, 0xc4, 0xca, 0x46, 0x21, 0xab, 0xff,
0x9b, 0x44, 0xef, 0x87, 0x0f, 0x3c
]
);
}
#[test]
fn test_no_name() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::StorePathNameEmpty)
);
}
#[test]
fn test_no_dash() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::BadStorePath(_))
);
}
#[test]
fn test_short_hash() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxl-konsole-18.12.3";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::BadStorePath(_))
);
}
#[test]
fn test_invalid_hash() {
let s = "7h7qgvs4kgzsn8e6rb273saxyqh4jxlz-konsole-18.12.3";
assert_matches!(StorePath::new_from_base_name(&s), Err(Error::BadBase32));
}
#[test]
fn test_long_name() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
assert_matches!(StorePath::new_from_base_name(&s), Ok(_));
}
#[test]
fn test_too_long_name() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::StorePathNameTooLong)
);
}
#[test]
fn test_bad_name() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-foo bar";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::BadStorePathName)
);
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-kónsole";
assert_matches!(
StorePath::new_from_base_name(&s),
Err(Error::BadStorePathName)
);
}
#[test]
fn test_roundtrip() {
let s = "7h7qgvs4kgzsn8a6rb273saxyqh4jxlz-konsole-18.12.3";
assert_eq!(StorePath::new_from_base_name(&s).unwrap().to_string(), s);
}
}

70
nix-rust/src/store/path_info.rs
View file

@ -1,70 +0,0 @@
use crate::store::StorePath;
use crate::Error;
use std::collections::BTreeSet;
#[derive(Clone, Debug)]
pub struct PathInfo {
pub path: StorePath,
pub references: BTreeSet<StorePath>,
pub nar_size: u64,
pub deriver: Option<StorePath>,
// Additional binary cache info.
pub url: Option<String>,
pub compression: Option<String>,
pub file_size: Option<u64>,
}
impl PathInfo {
pub fn parse_nar_info(nar_info: &str, store_dir: &str) -> Result<Self, Error> {
let mut path = None;
let mut references = BTreeSet::new();
let mut nar_size = None;
let mut deriver = None;
let mut url = None;
let mut compression = None;
let mut file_size = None;
for line in nar_info.lines() {
let colon = line.find(':').ok_or(Error::BadNarInfo)?;
let (name, value) = line.split_at(colon);
if !value.starts_with(": ") {
return Err(Error::BadNarInfo);
}
let value = &value[2..];
if name == "StorePath" {
path = Some(StorePath::new(std::path::Path::new(value), store_dir)?);
} else if name == "NarSize" {
nar_size = Some(u64::from_str_radix(value, 10).map_err(|_| Error::BadNarInfo)?);
} else if name == "References" {
if !value.is_empty() {
for r in value.split(' ') {
references.insert(StorePath::new_from_base_name(r)?);
}
}
} else if name == "Deriver" {
deriver = Some(StorePath::new_from_base_name(value)?);
} else if name == "URL" {
url = Some(value.into());
} else if name == "Compression" {
compression = Some(value.into());
} else if name == "FileSize" {
file_size = Some(u64::from_str_radix(value, 10).map_err(|_| Error::BadNarInfo)?);
}
}
Ok(PathInfo {
path: path.ok_or(Error::BadNarInfo)?,
references,
nar_size: nar_size.ok_or(Error::BadNarInfo)?,
deriver,
url: Some(url.ok_or(Error::BadNarInfo)?),
compression,
file_size,
})
}
}

53
nix-rust/src/store/store.rs
View file

@ -1,53 +0,0 @@
use super::{PathInfo, StorePath};
use crate::Error;
use std::collections::{BTreeMap, BTreeSet};
use std::path::Path;
pub trait Store: Send + Sync {
fn store_dir(&self) -> &str {
"/nix/store"
}
fn query_path_info(
&self,
store_path: &StorePath,
) -> std::pin::Pin<Box<dyn std::future::Future<Output = Result<PathInfo, Error>> + Send>>;
}
impl dyn Store {
pub fn parse_store_path(&self, path: &Path) -> Result<StorePath, Error> {
StorePath::new(path, self.store_dir())
}
pub async fn compute_path_closure(
&self,
roots: BTreeSet<StorePath>,
) -> Result<BTreeMap<StorePath, PathInfo>, Error> {
let mut done = BTreeSet::new();
let mut result = BTreeMap::new();
let mut pending = vec![];
for root in roots {
pending.push(self.query_path_info(&root));
done.insert(root);
}
while !pending.is_empty() {
let (info, _, remaining) = futures::future::select_all(pending).await;
pending = remaining;
let info = info?;
for path in &info.references {
if !done.contains(path) {
pending.push(self.query_path_info(&path));
done.insert(path.clone());
}
}
result.insert(info.path.clone(), info);
}
Ok(result)
}
}

160
nix-rust/src/util/base32.rs
View file

@ -1,160 +0,0 @@
use crate::error::Error;
use lazy_static::lazy_static;
pub fn encoded_len(input_len: usize) -> usize {
if input_len == 0 {
0
} else {
(input_len * 8 - 1) / 5 + 1
}
}
pub fn decoded_len(input_len: usize) -> usize {
input_len * 5 / 8
}
static BASE32_CHARS: &[u8; 32] = &b"0123456789abcdfghijklmnpqrsvwxyz";
lazy_static! {
static ref BASE32_CHARS_REVERSE: Box<[u8; 256]> = {
let mut xs = [0xffu8; 256];
for (n, c) in BASE32_CHARS.iter().enumerate() {
xs[*c as usize] = n as u8;
}
Box::new(xs)
};
}
pub fn encode(input: &[u8]) -> String {
let mut buf = vec![0; encoded_len(input.len())];
encode_into(input, &mut buf);
std::str::from_utf8(&buf).unwrap().to_string()
}
pub fn encode_into(input: &[u8], output: &mut [u8]) {
let len = encoded_len(input.len());
assert_eq!(len, output.len());
let mut nr_bits_left: usize = 0;
let mut bits_left: u16 = 0;
let mut pos = len;
for b in input {
bits_left |= (*b as u16) << nr_bits_left;
nr_bits_left += 8;
while nr_bits_left > 5 {
output[pos - 1] = BASE32_CHARS[(bits_left & 0x1f) as usize];
pos -= 1;
bits_left >>= 5;
nr_bits_left -= 5;
}
}
if nr_bits_left > 0 {
output[pos - 1] = BASE32_CHARS[(bits_left & 0x1f) as usize];
pos -= 1;
}
assert_eq!(pos, 0);
}
pub fn decode(input: &str) -> Result<Vec<u8>, crate::Error> {
let mut res = Vec::with_capacity(decoded_len(input.len()));
let mut nr_bits_left: usize = 0;
let mut bits_left: u16 = 0;
for c in input.chars().rev() {
let b = BASE32_CHARS_REVERSE[c as usize];
if b == 0xff {
return Err(Error::BadBase32);
}
bits_left |= (b as u16) << nr_bits_left;
nr_bits_left += 5;
if nr_bits_left >= 8 {
res.push((bits_left & 0xff) as u8);
bits_left >>= 8;
nr_bits_left -= 8;
}
}
if nr_bits_left > 0 && bits_left != 0 {
return Err(Error::BadBase32);
}
Ok(res)
}
#[cfg(test)]
mod tests {
use super::*;
use assert_matches::assert_matches;
use hex;
use proptest::proptest;
#[test]
fn test_encode() {
assert_eq!(encode(&[]), "");
assert_eq!(
encode(&hex::decode("0839703786356bca59b0f4a32987eb2e6de43ae8").unwrap()),
"x0xf8v9fxf3jk8zln1cwlsrmhqvp0f88"
);
assert_eq!(
encode(
&hex::decode("ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad")
.unwrap()
),
"1b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s"
);
assert_eq!(
encode(
&hex::decode("ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f")
.unwrap()
),
"2gs8k559z4rlahfx0y688s49m2vvszylcikrfinm30ly9rak69236nkam5ydvly1ai7xac99vxfc4ii84hawjbk876blyk1jfhkbbyx"
);
}
#[test]
fn test_decode() {
assert_eq!(hex::encode(decode("").unwrap()), "");
assert_eq!(
hex::encode(decode("x0xf8v9fxf3jk8zln1cwlsrmhqvp0f88").unwrap()),
"0839703786356bca59b0f4a32987eb2e6de43ae8"
);
assert_eq!(
hex::encode(decode("1b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s").unwrap()),
"ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad"
);
assert_eq!(
hex::encode(decode("2gs8k559z4rlahfx0y688s49m2vvszylcikrfinm30ly9rak69236nkam5ydvly1ai7xac99vxfc4ii84hawjbk876blyk1jfhkbbyx").unwrap()),
"ddaf35a193617abacc417349ae20413112e6fa4e89a97ea20a9eeee64b55d39a2192992a274fc1a836ba3c23a3feebbd454d4423643ce80e2a9ac94fa54ca49f"
);
assert_matches!(
decode("xoxf8v9fxf3jk8zln1cwlsrmhqvp0f88"),
Err(Error::BadBase32)
);
assert_matches!(
decode("2b8m03r63zqhnjf7l5wnldhh7c134ap5vpj0850ymkq1iyzicy5s"),
Err(Error::BadBase32)
);
assert_matches!(decode("2"), Err(Error::BadBase32));
assert_matches!(decode("2gs"), Err(Error::BadBase32));
assert_matches!(decode("2gs8"), Err(Error::BadBase32));
}
proptest! {
#[test]
fn roundtrip(s: Vec<u8>) {
assert_eq!(s, decode(&encode(&s)).unwrap());
}
}
}

1
nix-rust/src/util/mod.rs
View file

@ -1 +0,0 @@
pub mod base32;

25
scripts/install-multi-user.sh
View file

@ -576,18 +576,37 @@ create_directories() {
# since this bit is cross-platform: # since this bit is cross-platform:
# - first try with `command -vp` to try and find # - first try with `command -vp` to try and find
# chown in the usual places # chown in the usual places
# * to work around some sort of deficiency in
# `command -p` in macOS bash 3.2, we also add
# PATH="$(getconf PATH 2>/dev/null)". As long as
# getconf is found, this should set a sane PATH
# which `command -p` in bash 3.2 appears to use.
# A bash with a properly-working `command -p`
# should ignore this hard-set PATH in favor of
# whatever it obtains internally. See
# github.com/NixOS/nix/issues/5768
# - fall back on `command -v` which would find # - fall back on `command -v` which would find
# any chown on path # any chown on path
# if we don't find one, the command is already # if we don't find one, the command is already
# hiding behind || true, and the general state # hiding behind || true, and the general state
# should be one the user can repair once they # should be one the user can repair once they
# figure out where chown is... # figure out where chown is...
local get_chr_own="$(command -vp chown)" local get_chr_own="$(PATH="$(getconf PATH 2>/dev/null)" command -vp chown)"
if [[ -z "$get_chr_own" ]]; then if [[ -z "$get_chr_own" ]]; then
get_chr_own="$(command -v chown)" get_chr_own="$(command -v chown)"
fi fi
_sudo "to take root ownership of existing Nix store files" \
"$get_chr_own" -R "root:$NIX_BUILD_GROUP_NAME" "$NIX_ROOT" || true if [[ -z "$get_chr_own" ]]; then
reminder <<EOF
I wanted to take root ownership of existing Nix store files,
but I couldn't locate 'chown'. (You may need to fix your PATH.)
To manually change file ownership, you can run:
sudo chown -R 'root:$NIX_BUILD_GROUP_NAME' '$NIX_ROOT'
EOF
else
_sudo "to take root ownership of existing Nix store files" \
"$get_chr_own" -R "root:$NIX_BUILD_GROUP_NAME" "$NIX_ROOT" || true
fi
fi fi
_sudo "to make the basic directory structure of Nix (part 1)" \ _sudo "to make the basic directory structure of Nix (part 1)" \
install -dv -m 0755 /nix /nix/var /nix/var/log /nix/var/log/nix /nix/var/log/nix/drvs /nix/var/nix{,/db,/gcroots,/profiles,/temproots,/userpool} /nix/var/nix/{gcroots,profiles}/per-user install -dv -m 0755 /nix /nix/var /nix/var/log /nix/var/log/nix /nix/var/log/nix/drvs /nix/var/nix{,/db,/gcroots,/profiles,/temproots,/userpool} /nix/var/nix/{gcroots,profiles}/per-user

2
shell.nix
View file

@ -1,3 +1,3 @@
(import (fetchTarball https://github.com/edolstra/flake-compat/archive/master.tar.gz) { (import (fetchTarball "https://github.com/edolstra/flake-compat/archive/master.tar.gz") {
src = ./.; src = ./.;
}).shellNix }).shellNix

2
src/libexpr/parser.y
View file

@ -405,7 +405,7 @@ expr_select
expr_simple expr_simple
: ID { : ID {
std::string_view s = "__curPos"; std::string_view s = "__curPos";
if (strncmp($1.p, s.data(), s.size()) == 0) if ($1.l == s.size() && strncmp($1.p, s.data(), s.size()) == 0)
$$ = new ExprPos(CUR_POS); $$ = new ExprPos(CUR_POS);
else else
$$ = new ExprVar(CUR_POS, data->symbols.create($1)); $$ = new ExprVar(CUR_POS, data->symbols.create($1));

22
src/libexpr/primops.cc
View file

@ -92,8 +92,6 @@ StringMap EvalState::realiseContext(const PathSet & context)
} }
struct RealisePathFlags { struct RealisePathFlags {
// Whether to check whether the path is a valid absolute path
bool requireAbsolutePath = true;
// Whether to check that the path is allowed in pure eval mode // Whether to check that the path is allowed in pure eval mode
bool checkForPureEval = true; bool checkForPureEval = true;
}; };
@ -105,9 +103,7 @@ static Path realisePath(EvalState & state, const Pos & pos, Value & v, const Rea
auto path = [&]() auto path = [&]()
{ {
try { try {
return flags.requireAbsolutePath return state.coerceToPath(pos, v, context);
? state.coerceToPath(pos, v, context)
: state.coerceToString(pos, v, context, false, false);
} catch (Error & e) { } catch (Error & e) {
e.addTrace(pos, "while realising the context of a path"); e.addTrace(pos, "while realising the context of a path");
throw; throw;
@ -1183,7 +1179,7 @@ static void prim_derivationStrict(EvalState & state, const Pos & pos, Value * *
drv.outputs.insert_or_assign(i, DerivationOutput { drv.outputs.insert_or_assign(i, DerivationOutput {
.output = DerivationOutputCAFloating { .output = DerivationOutputCAFloating {
.method = ingestionMethod, .method = ingestionMethod,
.hashType = std::move(ht), .hashType = ht,
}, },
}); });
} }
@ -1489,7 +1485,19 @@ static void prim_findFile(EvalState & state, const Pos & pos, Value * * args, Va
pos pos
); );
auto path = realisePath(state, pos, *i->value, { .requireAbsolutePath = false }); PathSet context;
string path = state.coerceToString(pos, *i->value, context, false, false);
try {
auto rewrites = state.realiseContext(context);
path = rewriteStrings(path, rewrites);
} catch (InvalidPathError & e) {
throw EvalError({
.msg = hintfmt("cannot find '%1%', since path '%2%' is not valid", path, e.path),
.errPos = pos
});
}
searchPath.emplace_back(prefix, path); searchPath.emplace_back(prefix, path);
} }

6
src/libstore/daemon.cc
View file

@ -981,7 +981,11 @@ void processConnection(
readInt(from); readInt(from);
} }
readInt(from); // obsolete reserveSpace if (GET_PROTOCOL_MINOR(clientVersion) >= 11)
readInt(from); // obsolete reserveSpace
if (GET_PROTOCOL_MINOR(clientVersion) >= 33)
to << nixVersion;
/* Send startup error messages to the client. */ /* Send startup error messages to the client. */
tunnelLogger->startWork(); tunnelLogger->startWork();

6
src/libstore/local-store.cc
View file

@ -1919,4 +1919,10 @@ void LocalStore::addBuildLog(const StorePath & drvPath, std::string_view log)
throw SysError("renaming '%1%' to '%2%'", tmpFile, logPath); throw SysError("renaming '%1%' to '%2%'", tmpFile, logPath);
} }
std::optional<std::string> LocalStore::getVersion()
{
return nixVersion;
}
} // namespace nix } // namespace nix

2
src/libstore/local-store.hh
View file

@ -211,6 +211,8 @@ public:
void queryRealisationUncached(const DrvOutput&, void queryRealisationUncached(const DrvOutput&,
Callback<std::shared_ptr<const Realisation>> callback) noexcept override; Callback<std::shared_ptr<const Realisation>> callback) noexcept override;
std::optional<std::string> getVersion() override;
private: private:
int getSchema(); int getSchema();

14
src/libstore/remote-store.cc
View file

@ -188,7 +188,12 @@ void RemoteStore::initConnection(Connection & conn)
} }
if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 11) if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 11)
conn.to << false; conn.to << false; // obsolete reserveSpace
if (GET_PROTOCOL_MINOR(conn.daemonVersion) >= 33) {
conn.to.flush();
conn.daemonNixVersion = readString(conn.from);
}
auto ex = conn.processStderr(); auto ex = conn.processStderr();
if (ex) std::rethrow_exception(ex); if (ex) std::rethrow_exception(ex);
@ -920,6 +925,13 @@ void RemoteStore::addBuildLog(const StorePath & drvPath, std::string_view log)
} }
std::optional<std::string> RemoteStore::getVersion()
{
auto conn(getConnection());
return conn->daemonNixVersion;
}
void RemoteStore::connect() void RemoteStore::connect()
{ {
auto conn(getConnection()); auto conn(getConnection());

3
src/libstore/remote-store.hh
View file

@ -118,6 +118,8 @@ public:
void addBuildLog(const StorePath & drvPath, std::string_view log) override; void addBuildLog(const StorePath & drvPath, std::string_view log) override;
std::optional<std::string> getVersion() override;
void connect() override; void connect() override;
unsigned int getProtocol() override; unsigned int getProtocol() override;
@ -129,6 +131,7 @@ public:
FdSink to; FdSink to;
FdSource from; FdSource from;
unsigned int daemonVersion; unsigned int daemonVersion;
std::optional<std::string> daemonNixVersion;
std::chrono::time_point<std::chrono::steady_clock> startTime; std::chrono::time_point<std::chrono::steady_clock> startTime;
virtual ~Connection(); virtual ~Connection();

3
src/libstore/store-api.hh
View file

@ -765,6 +765,9 @@ public:
* (a no-op when there’s no daemon) * (a no-op when there’s no daemon)
*/ */
virtual void setOptions() { } virtual void setOptions() { }
virtual std::optional<std::string> getVersion() { return {}; }
protected: protected:
Stats stats; Stats stats;

2
src/libstore/worker-protocol.hh
View file

@ -9,7 +9,7 @@ namespace nix {
#define WORKER_MAGIC_1 0x6e697863 #define WORKER_MAGIC_1 0x6e697863
#define WORKER_MAGIC_2 0x6478696f #define WORKER_MAGIC_2 0x6478696f
#define PROTOCOL_VERSION (1 << 8 | 32) #define PROTOCOL_VERSION (1 << 8 | 33)
#define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00) #define GET_PROTOCOL_MAJOR(x) ((x) & 0xff00)
#define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff) #define GET_PROTOCOL_MINOR(x) ((x) & 0x00ff)

24
src/libutil/rust-ffi.cc
View file

@ -1,24 +0,0 @@
#if 0
#include "logging.hh"
#include "rust-ffi.hh"
extern "C" std::exception_ptr * make_error(rust::StringSlice s)
{
return new std::exception_ptr(std::make_exception_ptr(nix::Error(std::string(s.ptr, s.size))));
}
extern "C" void destroy_error(std::exception_ptr * ex)
{
free(ex);
}
namespace rust {
std::ostream & operator << (std::ostream & str, const String & s)
{
str << (std::string_view) s;
return str;
}
}
#endif

189
src/libutil/rust-ffi.hh
View file

@ -1,189 +0,0 @@
#pragma once
#if 0
#include "serialise.hh"
#include <string_view>
#include <cstring>
#include <array>
namespace rust {
typedef void (*DropFun)(void *);
/* A Rust value of N bytes. It can be moved but not copied. When it
goes out of scope, the C++ destructor will run the drop
function. */
template<std::size_t N, DropFun drop>
struct Value
{
protected:
std::array<char, N> raw;
~Value()
{
if (!isEvacuated()) {
drop(this);
evacuate();
}
}
// Must not be called directly.
Value()
{ }
Value(Value && other)
: raw(other.raw)
{
other.evacuate();
}
void operator =(Value && other)
{
if (!isEvacuated())
drop(this);
raw = other.raw;
other.evacuate();
}
private:
/* FIXME: optimize these (ideally in such a way that the compiler
can elide most calls to evacuate() / isEvacuated(). */
inline void evacuate()
{
for (auto & i : raw) i = 0;
}
inline bool isEvacuated()
{
for (auto & i : raw)
if (i != 0) return false;
return true;
}
};
/* A Rust vector. */
template<typename T, DropFun drop>
struct Vec : Value<3 * sizeof(void *), drop>
{
inline size_t size() const
{
return ((const size_t *) &this->raw)[2];
}
const T * data() const
{
return ((const T * *) &this->raw)[0];
}
};
/* A Rust slice. */
template<typename T>
struct Slice
{
const T * ptr;
size_t size;
Slice(const T * ptr, size_t size) : ptr(ptr), size(size)
{
assert(ptr);
}
};
struct StringSlice : Slice<char>
{
StringSlice(const std::string & s): Slice(s.data(), s.size()) {}
explicit StringSlice(std::string_view s): Slice(s.data(), s.size()) {}
StringSlice(const char * s): Slice(s, strlen(s)) {}
operator std::string_view() const
{
return std::string_view(ptr, size);
}
};
/* A Rust string. */
struct String;
extern "C" {
void ffi_String_new(StringSlice s, String * out);
void ffi_String_drop(void * s);
}
struct String : Vec<char, ffi_String_drop>
{
String() = delete;
String(std::string_view s)
{
ffi_String_new(StringSlice(s), this);
}
String(const char * s)
: String({s, std::strlen(s)})
{
}
operator std::string_view() const
{
return std::string_view(data(), size());
}
};
std::ostream & operator << (std::ostream & str, const String & s);
/* C++ representation of Rust's Result<T, CppException>. */
template<typename T>
struct Result
{
enum { Ok = 0, Err = 1, Uninit = 2 } tag;
union {
T data;
std::exception_ptr * exc;
};
Result() : tag(Uninit) { }; // FIXME: remove
Result(const Result &) = delete;
Result(Result && other)
: tag(other.tag)
{
other.tag = Uninit;
if (tag == Ok)
data = std::move(other.data);
else if (tag == Err)
exc = other.exc;
}
~Result()
{
if (tag == Ok)
data.~T();
else if (tag == Err)
free(exc);
else if (tag == Uninit)
;
else
abort();
}
/* Rethrow the wrapped exception or return the wrapped value. */
T unwrap()
{
if (tag == Ok) {
tag = Uninit;
return std::move(data);
}
else if (tag == Err)
std::rethrow_exception(*exc);
else
abort();
}
};
}
#endif

59
src/nix-env/nix-env.cc
View file

@ -911,36 +911,45 @@ static void queryJSON(Globals & globals, vector<DrvInfo> & elems, bool printOutP
{ {
JSONObject topObj(cout, true); JSONObject topObj(cout, true);
for (auto & i : elems) { for (auto & i : elems) {
JSONObject pkgObj = topObj.object(i.attrPath); try {
if (i.hasFailed()) continue;
auto drvName = DrvName(i.queryName()); JSONObject pkgObj = topObj.object(i.attrPath);
pkgObj.attr("name", drvName.fullName);
pkgObj.attr("pname", drvName.name);
pkgObj.attr("version", drvName.version);
pkgObj.attr("system", i.querySystem());
if (printOutPath) { auto drvName = DrvName(i.queryName());
DrvInfo::Outputs outputs = i.queryOutputs(); pkgObj.attr("name", drvName.fullName);
JSONObject outputObj = pkgObj.object("outputs"); pkgObj.attr("pname", drvName.name);
for (auto & j : outputs) { pkgObj.attr("version", drvName.version);
outputObj.attr(j.first, j.second); pkgObj.attr("system", i.querySystem());
}
}
if (printMeta) { if (printOutPath) {
JSONObject metaObj = pkgObj.object("meta"); DrvInfo::Outputs outputs = i.queryOutputs();
StringSet metaNames = i.queryMetaNames(); JSONObject outputObj = pkgObj.object("outputs");
for (auto & j : metaNames) { for (auto & j : outputs) {
auto placeholder = metaObj.placeholder(j); outputObj.attr(j.first, j.second);
Value * v = i.queryMeta(j);
if (!v) {
printError("derivation '%s' has invalid meta attribute '%s'", i.queryName(), j);
placeholder.write(nullptr);
} else {
PathSet context;
printValueAsJSON(*globals.state, true, *v, noPos, placeholder, context);
} }
} }
if (printMeta) {
JSONObject metaObj = pkgObj.object("meta");
StringSet metaNames = i.queryMetaNames();
for (auto & j : metaNames) {
auto placeholder = metaObj.placeholder(j);
Value * v = i.queryMeta(j);
if (!v) {
printError("derivation '%s' has invalid meta attribute '%s'", i.queryName(), j);
placeholder.write(nullptr);
} else {
PathSet context;
printValueAsJSON(*globals.state, true, *v, noPos, placeholder, context);
}
}
}
} catch (AssertionError & e) {
printMsg(lvlTalkative, "skipping derivation named '%1%' which gives an assertion failure", i.queryName());
} catch (Error & e) {
e.addTrace(std::nullopt, "while querying the derivation named '%1%'", i.queryName());
throw;
} }
} }
} }

3
src/nix/ping-store.cc
View file

@ -20,7 +20,10 @@ struct CmdPingStore : StoreCommand
void run(ref<Store> store) override void run(ref<Store> store) override
{ {
notice("Store URL: %s", store->getUri());
store->connect(); store->connect();
if (auto version = store->getVersion())
notice("Version: %s", *version);
} }
}; };

25447
src/nlohmann/json.hpp
View file

File diff suppressed because it is too large Load diff

78
src/nlohmann/json_fwd.hpp
View file

@ -1,78 +0,0 @@
#ifndef INCLUDE_NLOHMANN_JSON_FWD_HPP_
#define INCLUDE_NLOHMANN_JSON_FWD_HPP_
#include <cstdint> // int64_t, uint64_t
#include <map> // map
#include <memory> // allocator
#include <string> // string
#include <vector> // vector
/*!
@brief namespace for Niels Lohmann
@see https://github.com/nlohmann
@since version 1.0.0
*/
namespace nlohmann
{
/*!
@brief default JSONSerializer template argument
This serializer ignores the template arguments and uses ADL
([argument-dependent lookup](https://en.cppreference.com/w/cpp/language/adl))
for serialization.
*/
template<typename T = void, typename SFINAE = void>
struct adl_serializer;
template<template<typename U, typename V, typename... Args> class ObjectType =
std::map,
template<typename U, typename... Args> class ArrayType = std::vector,
class StringType = std::string, class BooleanType = bool,
class NumberIntegerType = std::int64_t,
class NumberUnsignedType = std::uint64_t,
class NumberFloatType = double,
template<typename U> class AllocatorType = std::allocator,
template<typename T, typename SFINAE = void> class JSONSerializer =
adl_serializer,
class BinaryType = std::vector<std::uint8_t>>
class basic_json;
/*!
@brief JSON Pointer
A JSON pointer defines a string syntax for identifying a specific value
within a JSON document. It can be used with functions `at` and
`operator[]`. Furthermore, JSON pointers are the base for JSON patches.
@sa [RFC 6901](https://tools.ietf.org/html/rfc6901)
@since version 2.0.0
*/
template<typename BasicJsonType>
class json_pointer;
/*!
@brief default JSON class
This type is the default specialization of the @ref basic_json class which
uses the standard template types.
@since version 1.0.0
*/
using json = basic_json<>;
template<class Key, class T, class IgnoredLess, class Allocator>
struct ordered_map;
/*!
@brief ordered JSON class
This type preserves the insertion order of object keys.
@since version 3.9.0
*/
using ordered_json = basic_json<nlohmann::ordered_map>;
} // namespace nlohmann
#endif // INCLUDE_NLOHMANN_JSON_FWD_HPP_

2
src/nlohmann/local.mk
View file

@ -1,2 +0,0 @@
$(foreach i, $(wildcard src/nlohmann/*.hpp), \
$(eval $(call install-file-in, $(i), $(includedir)/nlohmann, 0644)))

1
tests/lang/eval-okay-regression-20220125.exp Normal file
View file

@ -0,0 +1 @@
3

2
tests/lang/eval-okay-regression-20220125.nix Normal file
View file

@ -0,0 +1,2 @@
((__curPosFoo: __curPosFoo) 1) + ((__curPosBar: __curPosBar) 2)

2
tests/local.mk
View file

@ -63,6 +63,8 @@ nix_tests = \
ca/nix-copy.sh \ ca/nix-copy.sh \
eval-store.sh \ eval-store.sh \
readfile-context.sh \ readfile-context.sh \
store-ping.sh \
nix_path.sh \
why-depends.sh why-depends.sh
# parallel.sh # parallel.sh

11
tests/nix_path.sh Normal file
View file

@ -0,0 +1,11 @@
# Regression for https://github.com/NixOS/nix/issues/5998 and https://github.com/NixOS/nix/issues/5980
source common.sh
export NIX_PATH=non-existent=/non-existent/but-unused-anyways:by-absolute-path=$PWD:by-relative-path=.
nix-instantiate --eval -E '<by-absolute-path/simple.nix>' --restrict-eval
nix-instantiate --eval -E '<by-relative-path/simple.nix>' --restrict-eval
# Should ideally also test this, but there’s no pure way to do it, so just trust me that it works
# nix-instantiate --eval -E '<nixpkgs>' -I nixpkgs=channel:nixos-unstable --restrict-eval

13
tests/store-ping.sh Normal file
View file

@ -0,0 +1,13 @@
source common.sh
STORE_INFO=$(nix store ping 2>&1)
echo "$STORE_INFO" | grep "Store URL: ${NIX_REMOTE}"
if [[ -v NIX_DAEMON_PACKAGE ]] && isDaemonNewer "2.7.0pre20220126"; then
DAEMON_VERSION=$($NIX_DAEMON_PACKAGE/bin/nix-daemon --version | cut -d' ' -f3)
echo "$STORE_INFO" | grep "Version: $DAEMON_VERSION"
fi
expect 127 NIX_REMOTE=unix:$PWD/store nix store ping || \
fail "nix store ping on a non-existent store should fail"