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If we can't write a lock file, pretend the top-level flake is dirty

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Alternative to #4639. You can still read flake.lock, but at least in
reproducible workflows like NixOS configurations where you require a
non-dirty tree, evaluation will fail because there is no rev.
This commit is contained in:
Eelco Dolstra 2021-09-15 18:31:42 +02:00
parent 991cc53386
commit 027344ce7e
3 changed files with 38 additions and 22 deletions
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11
src/libexpr/flake/flake.hh
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@ -58,9 +58,10 @@ struct ConfigFile
/* The contents of a flake.nix file. */
struct Flake
{
FlakeRef originalRef; // the original flake specification (by the user)
FlakeRef resolvedRef; // registry references and caching resolved to the specific underlying flake
FlakeRef lockedRef; // the specific local store result of invoking the fetcher
FlakeRef originalRef; // the original flake specification (by the user)
FlakeRef resolvedRef; // registry references and caching resolved to the specific underlying flake
FlakeRef lockedRef; // the specific local store result of invoking the fetcher
bool forceDirty = false; // pretend that 'lockedRef' is dirty
std::optional<std::string> description;
std::shared_ptr<const fetchers::Tree> sourceInfo;
FlakeInputs inputs;
@ -140,6 +141,8 @@ void emitTreeAttrs(
EvalState & state,
const fetchers::Tree & tree,
const fetchers::Input & input,
Value & v, bool emptyRevFallback = false);
Value & v,
bool emptyRevFallback = false,
bool forceDirty = false);
}