wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-07-06 21:41:48 +02:00
Code Activity

Fix some of the issues raised by @edolstra

Browse source 
- More and better comments

 - The easier renames
This commit is contained in:
John Ericson 2020-09-04 15:15:51 +00:00
parent e86dd59dcc
commit e9fad3006b
4 changed files with 36 additions and 17 deletions
Download patch file Download diff file Expand all files Collapse all files

25
src/libstore/build.cc
View file

@ -718,7 +718,7 @@ typedef enum {rpAccept, rpDecline, rpPostpone} HookReply;
class SubstitutionGoal;
struct KnownInitialOutputStatus {
struct InitialOutputStatus {
StorePath path;
/* The output optional indicates whether it's already valid; i.e. exists
and is registered. If we're repairing, inner bool indicates whether the
@ -731,9 +731,9 @@ struct KnownInitialOutputStatus {
}
};
struct InitialOutputStatus {
struct InitialOutput {
bool wanted;
std::optional<KnownInitialOutputStatus> known;
std::optional<InitialOutputStatus> known;
};
class DerivationGoal : public Goal
@ -770,7 +770,7 @@ private:
immediate input paths). */
StorePathSet inputPaths;
std::map<std::string, InitialOutputStatus> initialOutputs;
std::map<std::string, InitialOutput> initialOutputs;
/* User selected for running the builder. */
std::unique_ptr<UserLock> buildUser;
@ -1050,11 +1050,14 @@ private:
/* Forcibly kill the child process, if any. */
void killChild();
/* Map a path to another (reproducably) so we can avoid overwriting outputs
/* Create alternative path calculated from but distinct from the
input, so we can avoid overwriting outputs (or other store paths)
that already exist. */
StorePath makeFallbackPath(const StorePath & path);
/* Make a path to another based on the output name alone, if one doesn't
want to use a random path for CA builds. */
/* Make a path to another based on the output name along with the
derivation hash. */
/* FIXME add option to randomize, so we can audit whether our
rewrites caught everything */
StorePath makeFallbackPath(std::string_view outputName);
void repairClosure();
@ -2141,8 +2144,6 @@ void DerivationGoal::startBuilder()
with the actual hashes. */
auto scratchPath =
!status.known
/* FIXME add option to randomize, so we can audit whether our
* rewrites caught everything */
? makeFallbackPath(outputName)
: !needsHashRewrite()
/* Can always use original path in sandbox */
@ -4582,19 +4583,19 @@ void DerivationGoal::checkPathValidity()
{
bool checkHash = buildMode == bmRepair;
for (auto & i : queryPartialDerivationOutputMap()) {
InitialOutputStatus status {
InitialOutput info {
.wanted = wantOutput(i.first, wantedOutputs),
};
if (i.second) {
auto outputPath = *i.second;
status.known = {
info.known = {
.path = outputPath,
.valid = !worker.store.isValidPath(outputPath)
? std::optional<bool> {}
: !checkHash || worker.pathContentsGood(outputPath),
};
}
initialOutputs.insert_or_assign(i.first, status);
initialOutputs.insert_or_assign(i.first, info);
}
}