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author | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2008-07-23 16:04:10 +0000 |
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committer | Eelco Dolstra <eelco.dolstra@logicblox.com> | 2008-07-23 16:04:10 +0000 |
commit | a7c209e474c6d63bc959890535747a34da10291d (patch) | |
tree | 538c1e55cf7392ec88a3d2ba6f1e722f4f5aacce /pkgs/build-support/fetchurl/default.nix | |
parent | 839eb46cda51027abe9f667e3574263f607f36fb (diff) | |
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* Interface to support mirror:// in nix-prefetch-url. The function
resolveMirrorURLs produces a file containing the URLs to which a mirror:// URL resolves. svn path=/nixpkgs/trunk/; revision=12410
Diffstat (limited to 'pkgs/build-support/fetchurl/default.nix')
-rw-r--r-- | pkgs/build-support/fetchurl/default.nix | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/pkgs/build-support/fetchurl/default.nix b/pkgs/build-support/fetchurl/default.nix index f502b8890472..2643008e33fb 100644 --- a/pkgs/build-support/fetchurl/default.nix +++ b/pkgs/build-support/fetchurl/default.nix @@ -20,12 +20,16 @@ , md5 ? "" , sha1 ? "" , sha256 ? "" + +, # If set, don't download the file, but write a list of all possible + # URLs (resulting from resolving mirror:// URLs) to $out. + showURLs ? false }: assert urls != [] -> url == ""; assert url != "" -> urls == []; -assert (outputHash != "" && outputHashAlgo != "") +assert showURLs || (outputHash != "" && outputHashAlgo != "") || md5 != "" || sha1 != "" || sha256 != ""; let @@ -45,7 +49,8 @@ in stdenv.mkDerivation ({ name = - if name != "" then name + if showURLs then "urls" + else if name != "" then name else baseNameOf (toString (builtins.head urls_)); builder = ./builder.sh; buildInputs = [curl]; @@ -76,6 +81,8 @@ stdenv.mkDerivation ({ # command-line. "NIX_HASHED_MIRRORS" ] ++ (map (site: "NIX_MIRRORS_${site}") sites); + + inherit showURLs; } # Pass the mirror locations to the builder. |