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authorpennae <github@quasiparticle.net>2022-01-21 14:44:00 +0100
committerpennae <github@quasiparticle.net>2022-01-27 17:15:43 +0100
commit41d70a2fc8d243d8c83ecc1c9ba648b625957437 (patch)
treea85c0c1971926fd8cf645f4ccf13547e2576a677 /src/nix/prefetch.cc
parent0d7fae6a574ec1b6758a7e6d8e639145c1c465a9 (diff)
return string_views from forceString*
once a string has been forced we already have dynamic storage allocated for it, so we can easily reuse that storage instead of copying.
Diffstat (limited to 'src/nix/prefetch.cc')
-rw-r--r--src/nix/prefetch.cc2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/nix/prefetch.cc b/src/nix/prefetch.cc
index 768d37595..669be0709 100644
--- a/src/nix/prefetch.cc
+++ b/src/nix/prefetch.cc
@@ -38,7 +38,7 @@ string resolveMirrorUrl(EvalState & state, string url)
if (mirrorList->value->listSize() < 1)
throw Error("mirror URL '%s' did not expand to anything", url);
- auto mirror = state.forceString(*mirrorList->value->listElems()[0]);
+ string mirror(state.forceString(*mirrorList->value->listElems()[0]));
return mirror + (hasSuffix(mirror, "/") ? "" : "/") + string(s, p + 1);
}