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authorJohn Ericson <John.Ericson@Obsidian.Systems>2020-06-02 15:52:13 +0000
committerJohn Ericson <John.Ericson@Obsidian.Systems>2020-06-02 15:52:13 +0000
commit450dcf2c1b60a36f5ffeab2411805287d122bcdd (patch)
treed1fe49020e97198147483f42454da46f36e42094 /src/libstore/export-import.cc
parent6dd471ebf6b9a4996405398093ccb371b8abdf2f (diff)
Remove `HashType::Unknown`
Instead, `Hash` uses `std::optional<HashType>`. In the future, we may also make `Hash` itself require a known hash type, encoraging people to use `std::optional<Hash>` instead.
Diffstat (limited to 'src/libstore/export-import.cc')
-rw-r--r--src/libstore/export-import.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstore/export-import.cc b/src/libstore/export-import.cc
index 8a5e9d08e..e96b5610a 100644
--- a/src/libstore/export-import.cc
+++ b/src/libstore/export-import.cc
@@ -54,7 +54,7 @@ void Store::exportPath(const StorePath & path, Sink & sink)
filesystem corruption from spreading to other machines.
Don't complain if the stored hash is zero (unknown). */
Hash hash = hashAndWriteSink.currentHash();
- if (hash != info->narHash && info->narHash != Hash(info->narHash.type))
+ if (hash != info->narHash && info->narHash != Hash(*info->narHash.type))
throw Error("hash of path '%s' has changed from '%s' to '%s'!",
printStorePath(path), info->narHash.to_string(), hash.to_string());