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Merge pull request #9863 from obsidiansystems/perl-open-other-store

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Support arbitrary stores in Perl bindings
This commit is contained in:
John Ericson 2024-02-08 09:30:18 -05:00 committed by GitHub
commit f2f54cf087
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GPG key ID: B5690EEEBB952194
6 changed files with 171 additions and 85 deletions
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2
perl/.yath.rc Normal file
View file

@ -0,0 +1,2 @@
[test]
-I=rel(lib/Nix)

18
perl/default.nix
View file

@ -5,12 +5,12 @@
, nix, curl, bzip2, xz, boost, libsodium, darwin
}:
perl.pkgs.toPerlModule (stdenv.mkDerivation {
perl.pkgs.toPerlModule (stdenv.mkDerivation (finalAttrs: {
name = "nix-perl-${nix.version}";
src = fileset.toSource {
root = ../.;
fileset = fileset.unions [
fileset = fileset.unions ([
../.version
../m4
../mk
@ -20,7 +20,10 @@ perl.pkgs.toPerlModule (stdenv.mkDerivation {
./configure.ac
./lib
./local.mk
];
] ++ lib.optionals finalAttrs.doCheck [
./.yath.rc
./t
]);
};
nativeBuildInputs =
@ -40,6 +43,13 @@ perl.pkgs.toPerlModule (stdenv.mkDerivation {
++ lib.optional (stdenv.isLinux || stdenv.isDarwin) libsodium
++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security;
# `perlPackages.Test2Harness` is marked broken for Darwin
doCheck = !stdenv.isDarwin;
nativeCheckInputs = [
perlPackages.Test2Harness
];
configureFlags = [
"--with-dbi=${perlPackages.DBI}/${perl.libPrefix}"
"--with-dbd-sqlite=${perlPackages.DBDSQLite}/${perl.libPrefix}"
@ -48,4 +58,4 @@ perl.pkgs.toPerlModule (stdenv.mkDerivation {
enableParallelBuilding = true;
postUnpack = "sourceRoot=$sourceRoot/perl";
})
}))

19
perl/lib/Nix/Store.pm
View file

@ -12,17 +12,20 @@ our %EXPORT_TAGS = ( 'all' => [ qw( ) ] );
our @EXPORT_OK = ( @{ $EXPORT_TAGS{'all'} } );
our @EXPORT = qw(
setVerbosity
isValidPath queryReferences queryPathInfo queryDeriver queryPathHash
queryPathFromHashPart
topoSortPaths computeFSClosure followLinksToStorePath exportPaths importPaths
StoreWrapper
StoreWrapper::new
StoreWrapper::isValidPath StoreWrapper::queryReferences StoreWrapper::queryPathInfo StoreWrapper::queryDeriver StoreWrapper::queryPathHash
StoreWrapper::queryPathFromHashPart
StoreWrapper::topoSortPaths StoreWrapper::computeFSClosure followLinksToStorePath StoreWrapper::exportPaths StoreWrapper::importPaths
StoreWrapper::addToStore StoreWrapper::makeFixedOutputPath
StoreWrapper::derivationFromPath
StoreWrapper::addTempRoot
StoreWrapper::queryRawRealisation
hashPath hashFile hashString convertHash
signString checkSignature
addToStore makeFixedOutputPath
derivationFromPath
addTempRoot
getBinDir getStoreDir
queryRawRealisation
setVerbosity
);
our $VERSION = '0.15';

201
perl/lib/Nix/Store.xs
View file

@ -17,47 +17,61 @@
#include <sodium.h>
#include <nlohmann/json.hpp>
using namespace nix;
static bool libStoreInitialized = false;
static ref<Store> store()
{
static std::shared_ptr<Store> _store;
if (!_store) {
try {
initLibStore();
_store = openStore();
} catch (Error & e) {
croak("%s", e.what());
}
}
return ref<Store>(_store);
}
struct StoreWrapper {
ref<Store> store;
};
MODULE = Nix::Store PACKAGE = Nix::Store
PROTOTYPES: ENABLE
TYPEMAP: <<HERE
StoreWrapper * O_OBJECT
OUTPUT
O_OBJECT
sv_setref_pv( $arg, CLASS, (void*)$var );
INPUT
O_OBJECT
if ( sv_isobject($arg) && (SvTYPE(SvRV($arg)) == SVt_PVMG) ) {
$var = ($type)SvIV((SV*)SvRV( $arg ));
}
else {
warn( \"${Package}::$func_name() -- \"
\"$var not a blessed SV reference\");
XSRETURN_UNDEF;
}
HERE
#undef dNOOP // Hack to work around "error: declaration of 'Perl___notused' has a different language linkage" error message on clang.
#define dNOOP
void
StoreWrapper::DESTROY()
void init()
CODE:
store();
void setVerbosity(int level)
CODE:
verbosity = (Verbosity) level;
int isValidPath(char * path)
StoreWrapper *
StoreWrapper::new(char * s = nullptr)
CODE:
static std::shared_ptr<Store> _store;
try {
RETVAL = store()->isValidPath(store()->parseStorePath(path));
if (!libStoreInitialized) {
initLibStore();
libStoreInitialized = true;
}
if (items == 1) {
_store = openStore();
RETVAL = new StoreWrapper {
.store = ref<Store>{_store}
};
} else {
RETVAL = new StoreWrapper {
.store = openStore(s)
};
}
} catch (Error & e) {
croak("%s", e.what());
}
@ -65,52 +79,81 @@ int isValidPath(char * path)
RETVAL
SV * queryReferences(char * path)
void init()
CODE:
if (!libStoreInitialized) {
initLibStore();
libStoreInitialized = true;
}
void setVerbosity(int level)
CODE:
verbosity = (Verbosity) level;
int
StoreWrapper::isValidPath(char * path)
CODE:
try {
RETVAL = THIS->store->isValidPath(THIS->store->parseStorePath(path));
} catch (Error & e) {
croak("%s", e.what());
}
OUTPUT:
RETVAL
SV *
StoreWrapper::queryReferences(char * path)
PPCODE:
try {
for (auto & i : store()->queryPathInfo(store()->parseStorePath(path))->references)
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(i).c_str(), 0)));
for (auto & i : THIS->store->queryPathInfo(THIS->store->parseStorePath(path))->references)
XPUSHs(sv_2mortal(newSVpv(THIS->store->printStorePath(i).c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * queryPathHash(char * path)
SV *
StoreWrapper::queryPathHash(char * path)
PPCODE:
try {
auto s = store()->queryPathInfo(store()->parseStorePath(path))->narHash.to_string(HashFormat::Nix32, true);
auto s = THIS->store->queryPathInfo(THIS->store->parseStorePath(path))->narHash.to_string(HashFormat::Nix32, true);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * queryDeriver(char * path)
SV *
StoreWrapper::queryDeriver(char * path)
PPCODE:
try {
auto info = store()->queryPathInfo(store()->parseStorePath(path));
auto info = THIS->store->queryPathInfo(THIS->store->parseStorePath(path));
if (!info->deriver) XSRETURN_UNDEF;
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(*info->deriver).c_str(), 0)));
XPUSHs(sv_2mortal(newSVpv(THIS->store->printStorePath(*info->deriver).c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * queryPathInfo(char * path, int base32)
SV *
StoreWrapper::queryPathInfo(char * path, int base32)
PPCODE:
try {
auto info = store()->queryPathInfo(store()->parseStorePath(path));
auto info = THIS->store->queryPathInfo(THIS->store->parseStorePath(path));
if (!info->deriver)
XPUSHs(&PL_sv_undef);
else
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(*info->deriver).c_str(), 0)));
XPUSHs(sv_2mortal(newSVpv(THIS->store->printStorePath(*info->deriver).c_str(), 0)));
auto s = info->narHash.to_string(base32 ? HashFormat::Nix32 : HashFormat::Base16, true);
XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
mXPUSHi(info->registrationTime);
mXPUSHi(info->narSize);
AV * refs = newAV();
for (auto & i : info->references)
av_push(refs, newSVpv(store()->printStorePath(i).c_str(), 0));
av_push(refs, newSVpv(THIS->store->printStorePath(i).c_str(), 0));
XPUSHs(sv_2mortal(newRV((SV *) refs)));
AV * sigs = newAV();
for (auto & i : info->sigs)
@ -120,10 +163,11 @@ SV * queryPathInfo(char * path, int base32)
croak("%s", e.what());
}
SV * queryRawRealisation(char * outputId)
SV *
StoreWrapper::queryRawRealisation(char * outputId)
PPCODE:
try {
auto realisation = store()->queryRealisation(DrvOutput::parse(outputId));
auto realisation = THIS->store->queryRealisation(DrvOutput::parse(outputId));
if (realisation)
XPUSHs(sv_2mortal(newSVpv(realisation->toJSON().dump().c_str(), 0)));
else
@ -133,46 +177,50 @@ SV * queryRawRealisation(char * outputId)
}
SV * queryPathFromHashPart(char * hashPart)
SV *
StoreWrapper::queryPathFromHashPart(char * hashPart)
PPCODE:
try {
auto path = store()->queryPathFromHashPart(hashPart);
XPUSHs(sv_2mortal(newSVpv(path ? store()->printStorePath(*path).c_str() : "", 0)));
auto path = THIS->store->queryPathFromHashPart(hashPart);
XPUSHs(sv_2mortal(newSVpv(path ? THIS->store->printStorePath(*path).c_str() : "", 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * computeFSClosure(int flipDirection, int includeOutputs, ...)
SV *
StoreWrapper::computeFSClosure(int flipDirection, int includeOutputs, ...)
PPCODE:
try {
StorePathSet paths;
for (int n = 2; n < items; ++n)
store()->computeFSClosure(store()->parseStorePath(SvPV_nolen(ST(n))), paths, flipDirection, includeOutputs);
THIS->store->computeFSClosure(THIS->store->parseStorePath(SvPV_nolen(ST(n))), paths, flipDirection, includeOutputs);
for (auto & i : paths)
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(i).c_str(), 0)));
XPUSHs(sv_2mortal(newSVpv(THIS->store->printStorePath(i).c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * topoSortPaths(...)
SV *
StoreWrapper::topoSortPaths(...)
PPCODE:
try {
StorePathSet paths;
for (int n = 0; n < items; ++n) paths.insert(store()->parseStorePath(SvPV_nolen(ST(n))));
auto sorted = store()->topoSortPaths(paths);
for (int n = 0; n < items; ++n) paths.insert(THIS->store->parseStorePath(SvPV_nolen(ST(n))));
auto sorted = THIS->store->topoSortPaths(paths);
for (auto & i : sorted)
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(i).c_str(), 0)));
XPUSHs(sv_2mortal(newSVpv(THIS->store->printStorePath(i).c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * followLinksToStorePath(char * path)
SV *
StoreWrapper::followLinksToStorePath(char * path)
CODE:
try {
RETVAL = newSVpv(store()->printStorePath(store()->followLinksToStorePath(path)).c_str(), 0);
RETVAL = newSVpv(THIS->store->printStorePath(THIS->store->followLinksToStorePath(path)).c_str(), 0);
} catch (Error & e) {
croak("%s", e.what());
}
@ -180,29 +228,32 @@ SV * followLinksToStorePath(char * path)
RETVAL
void exportPaths(int fd, ...)
void
StoreWrapper::exportPaths(int fd, ...)
PPCODE:
try {
StorePathSet paths;
for (int n = 1; n < items; ++n) paths.insert(store()->parseStorePath(SvPV_nolen(ST(n))));
for (int n = 1; n < items; ++n) paths.insert(THIS->store->parseStorePath(SvPV_nolen(ST(n))));
FdSink sink(fd);
store()->exportPaths(paths, sink);
THIS->store->exportPaths(paths, sink);
} catch (Error & e) {
croak("%s", e.what());
}
void importPaths(int fd, int dontCheckSigs)
void
StoreWrapper::importPaths(int fd, int dontCheckSigs)
PPCODE:
try {
FdSource source(fd);
store()->importPaths(source, dontCheckSigs ? NoCheckSigs : CheckSigs);
THIS->store->importPaths(source, dontCheckSigs ? NoCheckSigs : CheckSigs);
} catch (Error & e) {
croak("%s", e.what());
}
SV * hashPath(char * algo, int base32, char * path)
SV *
hashPath(char * algo, int base32, char * path)
PPCODE:
try {
PosixSourceAccessor accessor;
@ -280,64 +331,67 @@ int checkSignature(SV * publicKey_, SV * sig_, char * msg)
RETVAL
SV * addToStore(char * srcPath, int recursive, char * algo)
SV *
StoreWrapper::addToStore(char * srcPath, int recursive, char * algo)
PPCODE:
try {
auto method = recursive ? FileIngestionMethod::Recursive : FileIngestionMethod::Flat;
PosixSourceAccessor accessor;
auto path = store()->addToStore(
auto path = THIS->store->addToStore(
std::string(baseNameOf(srcPath)),
accessor, CanonPath::fromCwd(srcPath),
method, parseHashAlgo(algo));
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(path).c_str(), 0)));
XPUSHs(sv_2mortal(newSVpv(THIS->store->printStorePath(path).c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * makeFixedOutputPath(int recursive, char * algo, char * hash, char * name)
SV *
StoreWrapper::makeFixedOutputPath(int recursive, char * algo, char * hash, char * name)
PPCODE:
try {
auto h = Hash::parseAny(hash, parseHashAlgo(algo));
auto method = recursive ? FileIngestionMethod::Recursive : FileIngestionMethod::Flat;
auto path = store()->makeFixedOutputPath(name, FixedOutputInfo {
auto path = THIS->store->makeFixedOutputPath(name, FixedOutputInfo {
.method = method,
.hash = h,
.references = {},
});
XPUSHs(sv_2mortal(newSVpv(store()->printStorePath(path).c_str(), 0)));
XPUSHs(sv_2mortal(newSVpv(THIS->store->printStorePath(path).c_str(), 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * derivationFromPath(char * drvPath)
SV *
StoreWrapper::derivationFromPath(char * drvPath)
PREINIT:
HV *hash;
CODE:
try {
Derivation drv = store()->derivationFromPath(store()->parseStorePath(drvPath));
Derivation drv = THIS->store->derivationFromPath(THIS->store->parseStorePath(drvPath));
hash = newHV();
HV * outputs = newHV();
for (auto & i : drv.outputsAndOptPaths(*store())) {
for (auto & i : drv.outputsAndOptPaths(*THIS->store)) {
hv_store(
outputs, i.first.c_str(), i.first.size(),
!i.second.second
? newSV(0) /* null value */
: newSVpv(store()->printStorePath(*i.second.second).c_str(), 0),
: newSVpv(THIS->store->printStorePath(*i.second.second).c_str(), 0),
0);
}
hv_stores(hash, "outputs", newRV((SV *) outputs));
AV * inputDrvs = newAV();
for (auto & i : drv.inputDrvs.map)
av_push(inputDrvs, newSVpv(store()->printStorePath(i.first).c_str(), 0)); // !!! ignores i->second
av_push(inputDrvs, newSVpv(THIS->store->printStorePath(i.first).c_str(), 0)); // !!! ignores i->second
hv_stores(hash, "inputDrvs", newRV((SV *) inputDrvs));
AV * inputSrcs = newAV();
for (auto & i : drv.inputSrcs)
av_push(inputSrcs, newSVpv(store()->printStorePath(i).c_str(), 0));
av_push(inputSrcs, newSVpv(THIS->store->printStorePath(i).c_str(), 0));
hv_stores(hash, "inputSrcs", newRV((SV *) inputSrcs));
hv_stores(hash, "platform", newSVpv(drv.platform.c_str(), 0));
@ -361,10 +415,11 @@ SV * derivationFromPath(char * drvPath)
RETVAL
void addTempRoot(char * storePath)
void
StoreWrapper::addTempRoot(char * storePath)
PPCODE:
try {
store()->addTempRoot(store()->parseStorePath(storePath));
THIS->store->addTempRoot(THIS->store->parseStorePath(storePath));
} catch (Error & e) {
croak("%s", e.what());
}

3
perl/local.mk
View file

@ -41,3 +41,6 @@ Store_FORCE_INSTALL = 1
Store_INSTALL_DIR = $(perllibdir)/auto/Nix/Store
clean-files += lib/Nix/Config.pm lib/Nix/Store.cc Makefile.config
check: all
yath test

13
perl/t/init.t Normal file
View file

@ -0,0 +1,13 @@
use strict;
use warnings;
use Test2::V0;
use Nix::Store;
my $s = new Nix::Store("dummy://");
my $res = $s->isValidPath("/nix/store/g1w7hy3qg1w7hy3qg1w7hy3qg1w7hy3q-bar");
ok(!$res, "should not have path");
done_testing;