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Expose a perl method to query a derivation

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Just doing a very stupid thing taking as argument a serialised drv
output and returning a serialised realisation.

This is needed for `nix-serve` to handle ca derivations
This commit is contained in:
regnat 2021-07-30 11:55:14 +02:00
parent 48e35585a6
commit c15e121e32
2 changed files with 14 additions and 0 deletions
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1
perl/lib/Nix/Store.pm
View file

@ -22,6 +22,7 @@ our @EXPORT = qw(
derivationFromPath
addTempRoot
getBinDir getStoreDir
queryRawRealisation
);
our $VERSION = '0.15';

13
perl/lib/Nix/Store.xs
View file

@ -15,6 +15,7 @@
#include "crypto.hh"
#include <sodium.h>
#include <nlohmann/json.hpp>
using namespace nix;
@ -120,6 +121,18 @@ SV * queryPathInfo(char * path, int base32)
croak("%s", e.what());
}
SV * queryRawRealisation(char * outputId)
PPCODE:
try {
auto realisation = store()->queryRealisation(DrvOutput::parse(outputId));
if (realisation)
XPUSHs(sv_2mortal(newSVpv(realisation->toJSON().dump().c_str(), 0)));
else
XPUSHs(sv_2mortal(newSVpv("", 0)));
} catch (Error & e) {
croak("%s", e.what());
}
SV * queryPathFromHashPart(char * hashPart)
PPCODE: