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Use warn(), tweak messages

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This commit is contained in:
Eelco Dolstra 2019-05-21 15:03:54 +02:00
parent 20a1a65d37
commit 5990b86391
1 changed files with 12 additions and 23 deletions
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35
src/libexpr/primops/flake.cc
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@ -387,29 +387,17 @@ LockFile::FlakeEntry dependenciesToFlakeEntry(const ResolvedFlake & resolvedFlak
return entry; return entry;
} }
bool allowedToWrite (HandleLockFile handle) bool allowedToWrite(HandleLockFile handle)
{ {
if (handle == AllPure) return false; return handle == UpdateLockFile || handle == RecreateLockFile;
else if (handle == TopRefUsesRegistries) return false;
else if (handle == UpdateLockFile) return true;
else if (handle == UseUpdatedLockFile) return false;
else if (handle == RecreateLockFile) return true;
else if (handle == UseNewLockFile) return false;
else assert(false);
} }
bool recreateLockFile (HandleLockFile handle) bool recreateLockFile(HandleLockFile handle)
{ {
if (handle == AllPure) return false; return handle == RecreateLockFile || handle == UseNewLockFile;
else if (handle == TopRefUsesRegistries) return false;
else if (handle == UpdateLockFile) return false;
else if (handle == UseUpdatedLockFile) return false;
else if (handle == RecreateLockFile) return true;
else if (handle == UseNewLockFile) return true;
else assert(false);
} }
bool allowedToUseRegistries (HandleLockFile handle, bool isTopRef) bool allowedToUseRegistries(HandleLockFile handle, bool isTopRef)
{ {
if (handle == AllPure) return false; if (handle == AllPure) return false;
else if (handle == TopRefUsesRegistries) return isTopRef; else if (handle == TopRefUsesRegistries) return isTopRef;
@ -433,11 +421,11 @@ ResolvedFlake resolveFlakeFromLockFile(EvalState & state, const FlakeRef & flake
if (i != lockFile.nonFlakeEntries.end()) { if (i != lockFile.nonFlakeEntries.end()) {
NonFlake nonFlake = getNonFlake(state, i->second.ref, nonFlakeInfo.first); NonFlake nonFlake = getNonFlake(state, i->second.ref, nonFlakeInfo.first);
if (nonFlake.hash != i->second.contentHash) if (nonFlake.hash != i->second.contentHash)
throw Error("the content hash of flakeref %s doesn't match", i->second.ref.to_string()); throw Error("the content hash of flakeref '%s' doesn't match", i->second.ref.to_string());
deps.nonFlakeDeps.push_back(nonFlake); deps.nonFlakeDeps.push_back(nonFlake);
} else { } else {
if (handleLockFile == AllPure || handleLockFile == TopRefUsesRegistries) if (handleLockFile == AllPure || handleLockFile == TopRefUsesRegistries)
throw Error("the lockfile requires updating nonflake dependency %s in AllPure mode", nonFlakeInfo.first); throw Error("cannot update non-flake dependency '%s' in pure mode", nonFlakeInfo.first);
deps.nonFlakeDeps.push_back(getNonFlake(state, nonFlakeInfo.second, nonFlakeInfo.first)); deps.nonFlakeDeps.push_back(getNonFlake(state, nonFlakeInfo.second, nonFlakeInfo.first));
} }
} }
@ -447,11 +435,11 @@ ResolvedFlake resolveFlakeFromLockFile(EvalState & state, const FlakeRef & flake
if (i != lockFile.flakeEntries.end()) { // Propagate lockFile downwards if possible if (i != lockFile.flakeEntries.end()) { // Propagate lockFile downwards if possible
ResolvedFlake newResFlake = resolveFlakeFromLockFile(state, i->second.ref, handleLockFile, entryToLockFile(i->second)); ResolvedFlake newResFlake = resolveFlakeFromLockFile(state, i->second.ref, handleLockFile, entryToLockFile(i->second));
if (newResFlake.flake.hash != i->second.contentHash) if (newResFlake.flake.hash != i->second.contentHash)
throw Error("the content hash of flakeref %s doesn't match", i->second.ref.to_string()); throw Error("the content hash of flakeref '%s' doesn't match", i->second.ref.to_string());
deps.flakeDeps.insert_or_assign(newFlakeRef, newResFlake); deps.flakeDeps.insert_or_assign(newFlakeRef, newResFlake);
} else { } else {
if (handleLockFile == AllPure || handleLockFile == TopRefUsesRegistries) if (handleLockFile == AllPure || handleLockFile == TopRefUsesRegistries)
throw Error("the lockfile requires updating flake dependency %s in AllPure mode", newFlakeRef.to_string()); throw Error("cannot update flake dependency '%s' in pure mode", newFlakeRef.to_string());
deps.flakeDeps.insert_or_assign(newFlakeRef, resolveFlakeFromLockFile(state, newFlakeRef, handleLockFile)); deps.flakeDeps.insert_or_assign(newFlakeRef, resolveFlakeFromLockFile(state, newFlakeRef, handleLockFile));
} }
} }
@ -485,9 +473,10 @@ ResolvedFlake resolveFlake(EvalState & state, const FlakeRef & topRef, HandleLoc
// Hack: Make sure that flake.lock is visible to Git, so it ends up in the Nix store. // Hack: Make sure that flake.lock is visible to Git, so it ends up in the Nix store.
runProgram("git", true, { "-C", refData->path, "add", runProgram("git", true, { "-C", refData->path, "add",
(topRef.subdir == "" ? "" : topRef.subdir + "/") + "flake.lock" }); (topRef.subdir == "" ? "" : topRef.subdir + "/") + "flake.lock" });
} else std::cout << "Cannot write lockfile because the FlakeRef isn't of the form IsPath." << std::endl; } else
warn("cannot write lockfile of remote flake '%s'", topRef);
} else if (handleLockFile != AllPure && handleLockFile != TopRefUsesRegistries) } else if (handleLockFile != AllPure && handleLockFile != TopRefUsesRegistries)
std::cout << "Using updating lockfile without writing it to file" << std::endl; warn("using updated lockfile without writing it to file");
} }
return resFlake; return resFlake;