Move <nix/fetchurl.nix> into the nix binary

This makes the statically linked nix binary just work, without needing
any additional files.
This commit is contained in:
Eelco Dolstra 2020-12-22 14:43:20 +01:00
parent 5373f4be3b
commit 75efa42134
10 changed files with 27 additions and 22 deletions

View file

@ -10,7 +10,6 @@ makefiles = \
src/nix/local.mk \
src/resolve-system-dependencies/local.mk \
scripts/local.mk \
corepkgs/local.mk \
misc/bash/local.mk \
misc/systemd/local.mk \
misc/launchd/local.mk \

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@ -1,4 +0,0 @@
corepkgs_FILES = \
fetchurl.nix
$(foreach file,$(corepkgs_FILES),$(eval $(call install-data-in,$(d)/$(file),$(datadir)/nix/corepkgs)))

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@ -402,11 +402,6 @@ EvalState::EvalState(const Strings & _searchPath, ref<Store> store)
for (auto & i : evalSettings.nixPath.get()) addToSearchPath(i);
}
try {
addToSearchPath("nix=" + canonPath(settings.nixDataDir + "/nix/corepkgs", true));
} catch (Error &) {
}
if (evalSettings.restrictEval || evalSettings.pureEval) {
allowedPaths = PathSet();
@ -457,6 +452,8 @@ Path EvalState::checkSourcePath(const Path & path_)
*/
Path abspath = canonPath(path_);
if (hasPrefix(abspath, corepkgsPrefix)) return abspath;
for (auto & i : *allowedPaths) {
if (isDirOrInDir(abspath, i)) {
found = true;

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@ -432,4 +432,6 @@ struct EvalSettings : Config
extern EvalSettings evalSettings;
static const std::string corepkgsPrefix{"/__corepkgs__/"};
}

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@ -40,6 +40,6 @@ $(eval $(call install-file-in, $(d)/nix-expr.pc, $(prefix)/lib/pkgconfig, 0644))
$(foreach i, $(wildcard src/libexpr/flake/*.hh), \
$(eval $(call install-file-in, $(i), $(includedir)/nix/flake, 0644)))
$(d)/primops.cc: $(d)/imported-drv-to-derivation.nix.gen.hh $(d)/primops/derivation.nix.gen.hh
$(d)/primops.cc: $(d)/imported-drv-to-derivation.nix.gen.hh $(d)/primops/derivation.nix.gen.hh $(d)/fetchurl.nix.gen.hh
$(d)/flake/flake.cc: $(d)/flake/call-flake.nix.gen.hh

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@ -698,6 +698,10 @@ Path EvalState::findFile(SearchPath & searchPath, const string & path, const Pos
Path res = r.second + suffix;
if (pathExists(res)) return canonPath(res);
}
if (hasPrefix(path, "nix/"))
return corepkgsPrefix + path.substr(4);
throw ThrownError({
.hint = hintfmt(evalSettings.pureEval
? "cannot look up '<%s>' in pure evaluation mode (use '--impure' to override)"

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@ -164,7 +164,15 @@ static void import(EvalState & state, const Pos & pos, Value & vPath, Value * vS
state.forceFunction(**fun, pos);
mkApp(v, **fun, w);
state.forceAttrs(v, pos);
} else {
}
else if (path == corepkgsPrefix + "fetchurl.nix") {
state.eval(state.parseExprFromString(
#include "fetchurl.nix.gen.hh"
, "/"), v);
}
else {
if (!vScope)
state.evalFile(realPath, v);
else {

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@ -5,7 +5,7 @@ clearStore
# Test fetching a flat file.
hash=$(nix-hash --flat --type sha256 ./fetchurl.sh)
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha256 $hash --no-out-link)
outPath=$(nix-build --expr 'import <nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha256 $hash --no-out-link)
cmp $outPath fetchurl.sh
@ -14,7 +14,7 @@ clearStore
hash=$(nix hash file --type sha512 --base64 ./fetchurl.sh)
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha512 $hash --no-out-link)
outPath=$(nix-build --expr 'import <nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr sha512 $hash --no-out-link)
cmp $outPath fetchurl.sh
@ -25,7 +25,7 @@ hash=$(nix hash file ./fetchurl.sh)
[[ $hash =~ ^sha256- ]]
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr hash $hash --no-out-link)
outPath=$(nix-build --expr 'import <nix/fetchurl.nix>' --argstr url file://$(pwd)/fetchurl.sh --argstr hash $hash --no-out-link)
cmp $outPath fetchurl.sh
@ -38,10 +38,10 @@ hash=$(nix hash file --type sha256 --base16 ./fetchurl.sh)
storePath=$(nix --store $other_store store add-file ./fetchurl.sh)
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr sha256 $hash --no-out-link --substituters $other_store)
outPath=$(nix-build --expr 'import <nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr sha256 $hash --no-out-link --substituters $other_store)
# Test hashed mirrors with an SRI hash.
nix-build '<nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr hash $(nix hash to-sri --type sha256 $hash) \
nix-build --expr 'import <nix/fetchurl.nix>' --argstr url file:///no-such-dir/fetchurl.sh --argstr hash $(nix hash to-sri --type sha256 $hash) \
--no-out-link --substituters $other_store
# Test unpacking a NAR.
@ -55,7 +55,7 @@ nix-store --dump $TEST_ROOT/archive > $nar
hash=$(nix-hash --flat --type sha256 $nar)
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$nar --argstr sha256 $hash \
outPath=$(nix-build --expr 'import <nix/fetchurl.nix>' --argstr url file://$nar --argstr sha256 $hash \
--arg unpack true --argstr name xyzzy --no-out-link)
echo $outPath | grep -q 'xyzzy'
@ -69,7 +69,7 @@ nix-store --delete $outPath
narxz=$TEST_ROOT/archive.nar.xz
rm -f $narxz
xz --keep $nar
outPath=$(nix-build '<nix/fetchurl.nix>' --argstr url file://$narxz --argstr sha256 $hash \
outPath=$(nix-build --expr 'import <nix/fetchurl.nix>' --argstr url file://$narxz --argstr sha256 $hash \
--arg unpack true --argstr name xyzzy --no-out-link)
test -x $outPath/fetchurl.sh

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@ -1,10 +1,9 @@
with import ./lib.nix;
with builtins;
assert pathExists <nix/fetchurl.nix>;
assert isFunction (import <nix/fetchurl.nix>);
assert length __nixPath == 6;
assert length (filter (x: x.prefix == "nix") __nixPath) == 1;
assert length __nixPath == 5;
assert length (filter (x: baseNameOf x.path == "dir4") __nixPath) == 1;
import <a.nix> + import <b.nix> + import <c.nix> + import <dir5/c.nix>