diff options
Diffstat (limited to 'src/libstore/builtins.cc')
| -rw-r--r-- | src/libstore/builtins.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/libstore/builtins.cc b/src/libstore/builtins.cc index c22c44f3c7e3..50417b644a02 100644 --- a/src/libstore/builtins.cc +++ b/src/libstore/builtins.cc @@ -20,6 +20,7 @@ void builtinFetchurl(const BasicDerivation & drv) options.showProgress = DownloadOptions::yes; auto data = makeDownloader()->download(url->second, options); + assert(data.data); auto out = drv.env.find("out"); if (out == drv.env.end()) throw Error("attribute ‘url’ missing"); @@ -29,12 +30,12 @@ void builtinFetchurl(const BasicDerivation & drv) auto unpack = drv.env.find("unpack"); if (unpack != drv.env.end() && unpack->second == "1") { - if (string(data.data, 0, 6) == string("\xfd" "7zXZ\0", 6)) - data.data = decompressXZ(data.data); - StringSource source(data.data); + if (string(*data.data, 0, 6) == string("\xfd" "7zXZ\0", 6)) + data.data = decompressXZ(*data.data); + StringSource source(*data.data); restorePath(storePath, source); } else - writeFile(storePath, data.data); + writeFile(storePath, *data.data); auto executable = drv.env.find("executable"); if (executable != drv.env.end() && executable->second == "1") { |