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Move some Store functions from derivations.cc to store-api.cc

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This further continues with the dependency inverstion. Also I just went
ahead and exposed `parseDerivation`: it seems like the more proper
building block, and not a bad thing to expose if we are trying to be
less wedded to drv files on disk anywas.
This commit is contained in:
John Ericson 2020-06-17 03:56:48 +00:00
parent 7130f0a3a6
commit 18493fd9c4
5 changed files with 38 additions and 45 deletions
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31
src/libstore/derivations.cc
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@ -3,7 +3,6 @@
#include "globals.hh"
#include "util.hh"
#include "worker-protocol.hh"
#include "fs-accessor.hh"
#include "istringstream_nocopy.hh"
namespace nix {
@ -120,7 +119,7 @@ static StringSet parseStrings(std::istream & str, bool arePaths)
}
static Derivation parseDerivation(const Store & store, const string & s)
Derivation parseDerivation(const Store & store, const string & s)
{
Derivation drv;
istringstream_nocopy str(s);
@ -173,34 +172,6 @@ static Derivation parseDerivation(const Store & store, const string & s)
}
Derivation readDerivation(const Store & store, const Path & drvPath)
{
try {
return parseDerivation(store, readFile(drvPath));
} catch (FormatError & e) {
throw Error("error parsing derivation '%1%': %2%", drvPath, e.msg());
}
}
Derivation Store::derivationFromPath(const StorePath & drvPath)
{
ensurePath(drvPath);
return readDerivation(drvPath);
}
Derivation Store::readDerivation(const StorePath & drvPath)
{
auto accessor = getFSAccessor();
try {
return parseDerivation(*this, accessor->readFile(printStorePath(drvPath)));
} catch (FormatError & e) {
throw Error("error parsing derivation '%s': %s", printStorePath(drvPath), e.msg());
}
}
static void printString(string & res, std::string_view s)
{
char buf[s.size() * 2 + 2];