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| author | Eelco Dolstra <edolstra@gmail.com> | 2020-04-03 13:07:05 +0200 |
|---|---|---|
| committer | Eelco Dolstra <edolstra@gmail.com> | 2020-04-03 13:07:05 +0200 |
| commit | 9c78f7f196454228e378d19e4686526214e61bc7 (patch) | |
| tree | fee29baa71bddadac13a75c0d14465a0b587e581 /src/libexpr | |
| parent | bb39f2bb8a835696986ac01416a73fe11cb0b0ba (diff) | |
getFlake: In pure mode, check that the argument is an immutable flakeref
Diffstat (limited to 'src/libexpr')
| -rw-r--r-- | src/libexpr/flake/flake.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/libexpr/flake/flake.cc b/src/libexpr/flake/flake.cc index 59362c018..313f3bdbd 100644 --- a/src/libexpr/flake/flake.cc +++ b/src/libexpr/flake/flake.cc @@ -628,8 +628,13 @@ void callFlake(EvalState & state, static void prim_getFlake(EvalState & state, const Pos & pos, Value * * args, Value & v) { + auto flakeRefS = state.forceStringNoCtx(*args[0], pos); + auto flakeRef = parseFlakeRef(flakeRefS); + if (evalSettings.pureEval && !flakeRef.input->isImmutable()) + throw Error("cannot call 'getFlake' on mutable flake reference '%s', at %s (use --impure to override)", flakeRefS, pos); + callFlake(state, - lockFlake(state, parseFlakeRef(state.forceStringNoCtx(*args[0], pos)), + lockFlake(state, flakeRef, LockFlags { .updateLockFile = false, .useRegistries = !evalSettings.pureEval, |