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hydra-eval-jobs: Support flakes

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E.g. 'hydra-eval-jobs ~/Dev/patchelf' is enough to evaluate patchelf -
no need to set up a $NIX_PATH, pass arguments, etc.
This commit is contained in:
Eelco Dolstra 2019-05-10 22:18:37 +02:00
parent ddcf05ac22
commit 6ee6ec3bda
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GPG key ID: 8170B4726D7198DE
1 changed files with 30 additions and 2 deletions
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32
src/hydra-eval-jobs/hydra-eval-jobs.cc
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@ -13,6 +13,8 @@
#include "get-drvs.hh"
#include "globals.hh"
#include "common-eval-args.hh"
#include "flakeref.hh"
#include "flake.hh"
#include "hydra-config.hh"
@ -183,6 +185,7 @@ int main(int argc, char * * argv)
struct MyArgs : MixEvalArgs, MixCommonArgs
{
Path releaseExpr;
bool flake = false;
MyArgs() : MixCommonArgs("hydra-eval-jobs")
{
@ -205,6 +208,11 @@ int main(int argc, char * * argv)
.description("don't create store derivations")
.set(&settings.readOnlyMode, true);
mkFlag()
.longName("flake")
.description("build a flake")
.set(&flake, true);
expectArg("expr", &releaseExpr);
}
};
@ -222,6 +230,10 @@ int main(int argc, char * * argv)
to the environment. */
evalSettings.restrictEval = true;
/* When building a flake, use pure evaluation (no access to
'getEnv', 'currentSystem' etc. */
evalSettings.pureEval = myArgs.flake;
if (myArgs.releaseExpr == "") throw UsageError("no expression specified");
if (gcRootsDir == "") printMsg(lvlError, "warning: `--gc-roots-dir' not specified");
@ -231,9 +243,25 @@ int main(int argc, char * * argv)
Bindings & autoArgs = *myArgs.getAutoArgs(state);
Value v;
state.evalFile(lookupFileArg(state, myArgs.releaseExpr), v);
if (myArgs.flake) {
FlakeRef flakeRef(myArgs.releaseExpr);
auto vFlake = state.allocValue();
makeFlakeValue(state, flakeRef, AllowRegistryAtTop, *vFlake);
auto vProvides = (*vFlake->attrs->get(state.symbols.create("provides")))->value;
state.forceValue(*vProvides);
auto aHydraJobs = vProvides->attrs->get(state.symbols.create("hydraJobs"));
if (!aHydraJobs)
throw Error("flake '%s' does not provide any Hydra jobs", flakeRef);
v = *(*aHydraJobs)->value;
} else {
state.evalFile(lookupFileArg(state, myArgs.releaseExpr), v);
}
findJobs(state, json, autoArgs, v, "");
});
}