* Allow the user to override the list of content-addressable mirrors
from the command-line by setting the NIX_HASHED_MIRRORS environment variable. svn path=/nixpkgs/trunk/; revision=9301
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@ -46,6 +46,10 @@ finish() {
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tryHashedMirrors() {
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if test -n "$NIX_HASHED_MIRRORS"; then
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hashedMirrors="$NIX_HASHED_MIRRORS"
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fi
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for mirror in $hashedMirrors; do
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url="$mirror/$outputHashAlgo/$outputHash"
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if $curl --fail --silent --show-error --head "$url" \
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@ -52,11 +52,17 @@ stdenv.mkDerivation ({
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outputHash = if outputHash != "" then outputHash else
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if sha256 != "" then sha256 else if sha1 != "" then sha1 else md5;
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# We borrow these environment variables from the caller to allow
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# easy proxy configuration. This is impure, but a fixed-output
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# derivation like fetchurl is allowed to do so since its result is
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# by definition pure.
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impureEnvVars = ["http_proxy" "https_proxy" "ftp_proxy" "all_proxy" "no_proxy"];
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impureEnvVars = [
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# We borrow these environment variables from the caller to allow
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# easy proxy configuration. This is impure, but a fixed-output
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# derivation like fetchurl is allowed to do so since its result is
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# by definition pure.
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"http_proxy" "https_proxy" "ftp_proxy" "all_proxy" "no_proxy"
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# This variable allows the user to override hashedMirrors from the
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# command-line.
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"NIX_HASHED_MIRRORS"
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];
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}
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# Pass the mirror locations to the builder.
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