diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/libstore/builtins/fetchurl.cc | 14 | ||||
| -rw-r--r-- | src/libstore/globals.hh | 3 |
2 files changed, 17 insertions, 0 deletions
diff --git a/src/libstore/builtins/fetchurl.cc b/src/libstore/builtins/fetchurl.cc index 6585a480d..2048f8f87 100644 --- a/src/libstore/builtins/fetchurl.cc +++ b/src/libstore/builtins/fetchurl.cc @@ -58,6 +58,20 @@ void builtinFetchurl(const BasicDerivation & drv, const std::string & netrcData) } }; + /* Try the hashed mirrors first. */ + if (getAttr("outputHashMode") == "flat") + for (auto hashedMirror : settings.hashedMirrors.get()) + try { + if (!hasSuffix(hashedMirror, "/")) hashedMirror += '/'; + auto ht = parseHashType(getAttr("outputHashAlgo")); + auto h = Hash(getAttr("outputHash"), ht); + fetch(hashedMirror + printHashType(h.type) + "/" + h.to_string(Base16, false)); + return; + } catch (Error & e) { + debug(e.what()); + } + + /* Otherwise try the specified URL. */ fetch(mainUrl); } diff --git a/src/libstore/globals.hh b/src/libstore/globals.hh index 3406a9331..e3bb4cf84 100644 --- a/src/libstore/globals.hh +++ b/src/libstore/globals.hh @@ -335,6 +335,9 @@ public: "setuid/setgid bits or with file capabilities."}; #endif + Setting<Strings> hashedMirrors{this, {}, "hashed-mirrors", + "A list of servers used by builtins.fetchurl to fetch files by hash."}; + Setting<uint64_t> minFree{this, 0, "min-free", "Automatically run the garbage collector when free disk space drops below the specified amount."}; |