forked from lix-project/lix
f1e5dedb61
If the database is opened through perl bindings (and even though nix.conf has use-sqlite-wal set to false), the database is automatically converted into WAL mode. This makes the next nix process to access the database convert it back to "truncate". If the database is still open at the time in wal mode by the perl program, this fails and crashes the nix doing the wal -> truncate conversion.
278 lines
7.9 KiB
Plaintext
278 lines
7.9 KiB
Plaintext
#include "EXTERN.h"
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#include "perl.h"
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#include "XSUB.h"
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/* Prevent a clash between some Perl and libstdc++ macros. */
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#undef do_open
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#undef do_close
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#include <store-api.hh>
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#include <globals.hh>
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#include <misc.hh>
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#include <util.hh>
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using namespace nix;
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void doInit()
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{
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if (!store) {
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try {
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settings.processEnvironment();
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settings.loadConfFile();
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settings.update();
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settings.lockCPU = false;
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store = openStore();
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} catch (Error & e) {
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croak(e.what());
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}
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}
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}
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MODULE = Nix::Store PACKAGE = Nix::Store
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PROTOTYPES: ENABLE
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void init()
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CODE:
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doInit();
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int isValidPath(char * path)
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CODE:
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try {
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doInit();
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RETVAL = store->isValidPath(path);
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} catch (Error & e) {
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croak(e.what());
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}
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OUTPUT:
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RETVAL
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SV * queryReferences(char * path)
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PPCODE:
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try {
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doInit();
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PathSet paths;
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store->queryReferences(path, paths);
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for (PathSet::iterator i = paths.begin(); i != paths.end(); ++i)
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XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * queryPathHash(char * path)
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PPCODE:
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try {
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doInit();
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Hash hash = store->queryPathHash(path);
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string s = "sha256:" + printHash32(hash);
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XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * queryDeriver(char * path)
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PPCODE:
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try {
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doInit();
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Path deriver = store->queryDeriver(path);
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if (deriver == "") XSRETURN_UNDEF;
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XPUSHs(sv_2mortal(newSVpv(deriver.c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * queryPathInfo(char * path, int base32)
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PPCODE:
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try {
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doInit();
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ValidPathInfo info = store->queryPathInfo(path);
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if (info.deriver == "")
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XPUSHs(&PL_sv_undef);
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else
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XPUSHs(sv_2mortal(newSVpv(info.deriver.c_str(), 0)));
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string s = "sha256:" + (base32 ? printHash32(info.hash) : printHash(info.hash));
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XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
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mXPUSHi(info.registrationTime);
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mXPUSHi(info.narSize);
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AV * arr = newAV();
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for (PathSet::iterator i = info.references.begin(); i != info.references.end(); ++i)
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av_push(arr, newSVpv(i->c_str(), 0));
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XPUSHs(sv_2mortal(newRV((SV *) arr)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * queryPathFromHashPart(char * hashPart)
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PPCODE:
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try {
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doInit();
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Path path = store->queryPathFromHashPart(hashPart);
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XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * computeFSClosure(int flipDirection, int includeOutputs, ...)
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PPCODE:
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try {
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doInit();
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PathSet paths;
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for (int n = 2; n < items; ++n)
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computeFSClosure(*store, SvPV_nolen(ST(n)), paths, flipDirection, includeOutputs);
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for (PathSet::iterator i = paths.begin(); i != paths.end(); ++i)
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XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * topoSortPaths(...)
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PPCODE:
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try {
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doInit();
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PathSet paths;
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for (int n = 0; n < items; ++n) paths.insert(SvPV_nolen(ST(n)));
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Paths sorted = topoSortPaths(*store, paths);
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for (Paths::iterator i = sorted.begin(); i != sorted.end(); ++i)
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XPUSHs(sv_2mortal(newSVpv(i->c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * followLinksToStorePath(char * path)
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CODE:
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try {
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doInit();
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RETVAL = newSVpv(followLinksToStorePath(path).c_str(), 0);
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} catch (Error & e) {
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croak(e.what());
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}
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OUTPUT:
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RETVAL
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void exportPaths(int fd, int sign, ...)
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PPCODE:
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try {
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doInit();
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Paths paths;
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for (int n = 2; n < items; ++n) paths.push_back(SvPV_nolen(ST(n)));
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FdSink sink(fd);
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exportPaths(*store, paths, sign, sink);
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} catch (Error & e) {
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croak(e.what());
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}
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SV * hashPath(char * algo, int base32, char * path)
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PPCODE:
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try {
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Hash h = hashPath(parseHashType(algo), path).first;
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string s = base32 ? printHash32(h) : printHash(h);
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XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * hashFile(char * algo, int base32, char * path)
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PPCODE:
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try {
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Hash h = hashFile(parseHashType(algo), path);
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string s = base32 ? printHash32(h) : printHash(h);
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XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * hashString(char * algo, int base32, char * s)
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PPCODE:
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try {
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Hash h = hashString(parseHashType(algo), s);
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string s = base32 ? printHash32(h) : printHash(h);
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XPUSHs(sv_2mortal(newSVpv(s.c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * addToStore(char * srcPath, int recursive, char * algo)
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PPCODE:
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try {
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doInit();
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Path path = store->addToStore(srcPath, recursive, parseHashType(algo));
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XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * makeFixedOutputPath(int recursive, char * algo, char * hash, char * name)
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PPCODE:
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try {
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doInit();
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HashType ht = parseHashType(algo);
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Path path = makeFixedOutputPath(recursive, ht,
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parseHash16or32(ht, hash), name);
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XPUSHs(sv_2mortal(newSVpv(path.c_str(), 0)));
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} catch (Error & e) {
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croak(e.what());
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}
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SV * derivationFromPath(char * drvPath)
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PREINIT:
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HV *hash;
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CODE:
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try {
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doInit();
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Derivation drv = derivationFromPath(*store, drvPath);
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hash = newHV();
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HV * outputs = newHV();
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for (DerivationOutputs::iterator i = drv.outputs.begin(); i != drv.outputs.end(); ++i)
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hv_store(outputs, i->first.c_str(), i->first.size(), newSVpv(i->second.path.c_str(), 0), 0);
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hv_stores(hash, "outputs", newRV((SV *) outputs));
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AV * inputDrvs = newAV();
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for (DerivationInputs::iterator i = drv.inputDrvs.begin(); i != drv.inputDrvs.end(); ++i)
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av_push(inputDrvs, newSVpv(i->first.c_str(), 0)); // !!! ignores i->second
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hv_stores(hash, "inputDrvs", newRV((SV *) inputDrvs));
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AV * inputSrcs = newAV();
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for (PathSet::iterator i = drv.inputSrcs.begin(); i != drv.inputSrcs.end(); ++i)
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av_push(inputSrcs, newSVpv(i->c_str(), 0));
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hv_stores(hash, "inputSrcs", newRV((SV *) inputSrcs));
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hv_stores(hash, "platform", newSVpv(drv.platform.c_str(), 0));
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hv_stores(hash, "builder", newSVpv(drv.builder.c_str(), 0));
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AV * args = newAV();
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for (Strings::iterator i = drv.args.begin(); i != drv.args.end(); ++i)
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av_push(args, newSVpv(i->c_str(), 0));
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hv_stores(hash, "args", newRV((SV *) args));
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HV * env = newHV();
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for (StringPairs::iterator i = drv.env.begin(); i != drv.env.end(); ++i)
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hv_store(env, i->first.c_str(), i->first.size(), newSVpv(i->second.c_str(), 0), 0);
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hv_stores(hash, "env", newRV((SV *) env));
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RETVAL = newRV_noinc((SV *)hash);
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} catch (Error & e) {
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croak(e.what());
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}
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OUTPUT:
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RETVAL
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