Merge remote-tracking branch 'upstream/master' into derivation-header-include-order

1 files changed, 9 insertions, 6 deletions

diff --git a/src/libfetchers/fetchers.cc b/src/libfetchers/fetchers.cc
index 28db8aa9c..eaa635595 100644
--- a/src/libfetchers/fetchers.cc
+++ b/src/libfetchers/fetchers.cc
@@ -130,12 +130,12 @@ std::pair<Tree, Input> Input::fetch(ref<Store> store) const
         tree.actualPath = store->toRealPath(tree.storePath);
 
     auto narHash = store->queryPathInfo(tree.storePath)->narHash;
-    input.attrs.insert_or_assign("narHash", narHash->to_string(SRI, true));
+    input.attrs.insert_or_assign("narHash", narHash.to_string(SRI, true));
 
     if (auto prevNarHash = getNarHash()) {
         if (narHash != *prevNarHash)
             throw Error((unsigned int) 102, "NAR hash mismatch in input '%s' (%s), expected '%s', got '%s'",
-                to_string(), tree.actualPath, prevNarHash->to_string(SRI, true), narHash->to_string(SRI, true));
+                to_string(), tree.actualPath, prevNarHash->to_string(SRI, true), narHash.to_string(SRI, true));
     }
 
     if (auto prevLastModified = getLastModified()) {
@@ -200,9 +200,12 @@ std::string Input::getType() const
 
 std::optional<Hash> Input::getNarHash() const
 {
-    if (auto s = maybeGetStrAttr(attrs, "narHash"))
-        // FIXME: require SRI hash.
-        return newHashAllowEmpty(*s, htSHA256);
+    if (auto s = maybeGetStrAttr(attrs, "narHash")) {
+        auto hash = s->empty() ? Hash(htSHA256) : Hash::parseSRI(*s);
+        if (hash.type != htSHA256)
+            throw UsageError("narHash must use SHA-256");
+        return hash;
+    }
     return {};
 }
 
@@ -216,7 +219,7 @@ std::optional<std::string> Input::getRef() const
 std::optional<Hash> Input::getRev() const
 {
     if (auto s = maybeGetStrAttr(attrs, "rev"))
-        return Hash(*s, htSHA1);
+        return Hash::parseAny(*s, htSHA1);
     return {};
 }