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Add an option for extending the user agent header

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This is useful e.g. for distinguishing traffic to a binary cache
(e.g. certain machines can use a different tag in the user agent).
This commit is contained in:
Eelco Dolstra 2017-05-11 15:09:09 +02:00
parent 62d476c7ee
commit 510bc1735b
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GPG key ID: 8170B4726D7198DE
2 changed files with 6 additions and 1 deletions
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4
src/libstore/download.cc
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@ -220,7 +220,9 @@ struct CurlDownloader : public Downloader
curl_easy_setopt(req, CURLOPT_URL, request.uri.c_str());
curl_easy_setopt(req, CURLOPT_FOLLOWLOCATION, 1L);
curl_easy_setopt(req, CURLOPT_NOSIGNAL, 1);
curl_easy_setopt(req, CURLOPT_USERAGENT, ("curl/" LIBCURL_VERSION " Nix/" + nixVersion).c_str());
curl_easy_setopt(req, CURLOPT_USERAGENT,
("curl/" LIBCURL_VERSION " Nix/" + nixVersion +
(settings.userAgentSuffix != "" ? " " + settings.userAgentSuffix.get() : "")).c_str());
#if LIBCURL_VERSION_NUM >= 0x072b00
curl_easy_setopt(req, CURLOPT_PIPEWAIT, 1);
#endif

3
src/libstore/globals.hh
View file

@ -318,6 +318,9 @@ public:
Setting<unsigned long> connectTimeout{this, 0, "connect-timeout",
"Timeout for connecting to servers during downloads. 0 means use curl's builtin default."};
Setting<std::string> userAgentSuffix{this, "", "user-agent-suffix",
"String appended to the user agent in HTTP requests."};
};