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e4f62e4608
* It is tough to contribute to a project that doesn't use a formatter, * It is extra hard to contribute to a project which has configured the formatter, but ignores it for some files * Code formatting makes it harder to hide obscure / weird bugs by accident or on purpose, Let's rip the bandaid off? Note that PRs currently in flight should be able to be merged relatively easily by applying `clang-format` to their tip prior to merge.
50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
#include "nix/cmd/network-proxy.hh"
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#include <algorithm>
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#include "nix/util/environment-variables.hh"
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namespace nix {
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static const StringSet lowercaseVariables{"http_proxy", "https_proxy", "ftp_proxy", "all_proxy", "no_proxy"};
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static StringSet getAllVariables()
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{
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StringSet variables = lowercaseVariables;
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for (const auto & variable : lowercaseVariables) {
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std::string upperVariable;
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std::transform(
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variable.begin(), variable.end(), upperVariable.begin(), [](unsigned char c) { return std::toupper(c); });
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variables.insert(std::move(upperVariable));
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}
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return variables;
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}
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const StringSet networkProxyVariables = getAllVariables();
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static StringSet getExcludingNoProxyVariables()
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{
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static const StringSet excludeVariables{"no_proxy", "NO_PROXY"};
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StringSet variables;
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std::set_difference(
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networkProxyVariables.begin(),
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networkProxyVariables.end(),
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excludeVariables.begin(),
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excludeVariables.end(),
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std::inserter(variables, variables.begin()));
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return variables;
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}
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static const StringSet excludingNoProxyVariables = getExcludingNoProxyVariables();
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bool haveNetworkProxyConnection()
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{
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for (const auto & variable : excludingNoProxyVariables) {
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if (getEnv(variable).has_value()) {
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return true;
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}
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}
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return false;
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}
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} // namespace nix
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