* Print a better error message.
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		|  | @ -295,7 +295,7 @@ sub downloadFile { | ||||||
|     $ENV{"PRINT_PATH"} = 1; |     $ENV{"PRINT_PATH"} = 1; | ||||||
|     $ENV{"QUIET"} = 1; |     $ENV{"QUIET"} = 1; | ||||||
|     my ($hash, $path) = `$binDir/nix-prefetch-url '$url'`; |     my ($hash, $path) = `$binDir/nix-prefetch-url '$url'`; | ||||||
|     die "download of `$url' failed" unless $? == 0; |     die "download of `$url' failed" . ($! ? ": $!" : "") unless $? == 0; | ||||||
|     chomp $path; |     chomp $path; | ||||||
|     return $path; |     return $path; | ||||||
| } | } | ||||||
|  |  | ||||||
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