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Only rewrite the lockfile if it changed

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This removes spurious warnings about failure to write the lockfile.
This commit is contained in:
Eelco Dolstra 2019-05-21 14:55:43 +02:00
parent 818c8da5b8
commit 20a1a65d37
2 changed files with 37 additions and 12 deletions
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21
src/libexpr/primops/flake.hh
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@ -24,6 +24,11 @@ struct LockFile
FlakeRef ref;
Hash contentHash;
NonFlakeEntry(const FlakeRef & flakeRef, const Hash & hash) : ref(flakeRef), contentHash(hash) {};
bool operator ==(const NonFlakeEntry & other) const
{
return ref == other.ref && contentHash == other.contentHash;
}
};
struct FlakeEntry
@ -33,10 +38,26 @@ struct LockFile
std::map<FlakeRef, FlakeEntry> flakeEntries;
std::map<FlakeAlias, NonFlakeEntry> nonFlakeEntries;
FlakeEntry(const FlakeRef & flakeRef, const Hash & hash) : ref(flakeRef), contentHash(hash) {};
bool operator ==(const FlakeEntry & other) const
{
return
ref == other.ref
&& contentHash == other.contentHash
&& flakeEntries == other.flakeEntries
&& nonFlakeEntries == other.nonFlakeEntries;
}
};
std::map<FlakeRef, FlakeEntry> flakeEntries;
std::map<FlakeAlias, NonFlakeEntry> nonFlakeEntries;
bool operator ==(const LockFile & other) const
{
return
flakeEntries == other.flakeEntries
&& nonFlakeEntries == other.nonFlakeEntries;
}
};
typedef std::vector<std::shared_ptr<FlakeRegistry>> Registries;