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libstore: declare SandboxMode JSON serialisation in the header

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The JSON serialisation should be declared in the header so that all translation
units can see it when needed, even though it seems that it has not been used
anywhere else so far. Unfortunately, this means we cannot use the
NLOHMANN_JSON_SERIALIZE_ENUM convenience macro, since it uses a slightly
different signature, but the code is not too bad either.

Change-Id: I6e2851b250e0b53114d2fecb8011ff1ea9379d0f
This commit is contained in:
Alois Wohlschlager 2024-08-24 14:39:45 +02:00
parent 02eb07cfd5
commit d7c37324bb
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GPG key ID: E0F59EA5E5216914
2 changed files with 28 additions and 5 deletions
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30
src/libstore/globals.cc
View file

@ -269,11 +269,31 @@ Path Settings::getDefaultSSLCertFile()
const std::string nixVersion = PACKAGE_VERSION;
NLOHMANN_JSON_SERIALIZE_ENUM(SandboxMode, {
{SandboxMode::smEnabled, true},
{SandboxMode::smRelaxed, "relaxed"},
{SandboxMode::smDisabled, false},
});
void to_json(nlohmann::json & j, const SandboxMode & e)
{
if (e == SandboxMode::smEnabled) {
j = true;
} else if (e == SandboxMode::smRelaxed) {
j = "relaxed";
} else if (e == SandboxMode::smDisabled) {
j = false;
} else {
abort();
}
}
void from_json(const nlohmann::json & j, SandboxMode & e)
{
if (j == true) {
e = SandboxMode::smEnabled;
} else if (j == "relaxed") {
e = SandboxMode::smRelaxed;
} else if (j == false) {
e = SandboxMode::smDisabled;
} else {
throw Error("Invalid sandbox mode '%s'", std::string(j));
}
}
template<> SandboxMode BaseSetting<SandboxMode>::parse(const std::string & str, const ApplyConfigOptions & options) const
{

3
src/libstore/globals.hh
View file

@ -14,6 +14,9 @@ namespace nix {
typedef enum { smEnabled, smRelaxed, smDisabled } SandboxMode;
void to_json(nlohmann::json & j, const SandboxMode & e);
void from_json(const nlohmann::json & j, SandboxMode & e);
struct MaxBuildJobsSetting : public BaseSetting<unsigned int>
{
MaxBuildJobsSetting(Config * options,