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ddcef3bcbb
According to RFC4007[1], IPv6 addresses can have a so-called zone_id
separated from the actual address with `%` as delimiter. In contrast to
Nix 2.3, the version on `master` doesn't recognize it as such:
$ nix ping-store --store ssh://root@fe80::1%18 --experimental-features nix-command
warning: 'ping-store' is a deprecated alias for 'store ping'
error: --- Error ----------------------------------------------------------------- nix
don't know how to open Nix store 'ssh://root@fe80::1%18'
I modified the IPv6 match-regex accordingly to optionally detect this
part of the address. As we don't seem to do anything special with it, I
decided to leave it as part of the URL for now.
Fixes #4490
[1] https://tools.ietf.org/html/rfc4007
45 lines
2.3 KiB
C++
45 lines
2.3 KiB
C++
#pragma once
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#include <string>
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#include <regex>
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namespace nix {
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// URI stuff.
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const static std::string pctEncoded = "(?:%[0-9a-fA-F][0-9a-fA-F])";
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const static std::string schemeRegex = "(?:[a-z][a-z0-9+.-]*)";
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const static std::string ipv6AddressSegmentRegex = "[0-9a-fA-F:]+(?:%\\w+)?";
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const static std::string ipv6AddressRegex = "(?:\\[" + ipv6AddressSegmentRegex + "\\]|" + ipv6AddressSegmentRegex + ")";
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const static std::string unreservedRegex = "(?:[a-zA-Z0-9-._~])";
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const static std::string subdelimsRegex = "(?:[!$&'\"()*+,;=])";
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const static std::string hostnameRegex = "(?:(?:" + unreservedRegex + "|" + pctEncoded + "|" + subdelimsRegex + ")*)";
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const static std::string hostRegex = "(?:" + ipv6AddressRegex + "|" + hostnameRegex + ")";
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const static std::string userRegex = "(?:(?:" + unreservedRegex + "|" + pctEncoded + "|" + subdelimsRegex + "|:)*)";
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const static std::string authorityRegex = "(?:" + userRegex + "@)?" + hostRegex + "(?::[0-9]+)?";
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const static std::string pcharRegex = "(?:" + unreservedRegex + "|" + pctEncoded + "|" + subdelimsRegex + "|[:@])";
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const static std::string queryRegex = "(?:" + pcharRegex + "|[/? \"])*";
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const static std::string segmentRegex = "(?:" + pcharRegex + "+)";
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const static std::string absPathRegex = "(?:(?:/" + segmentRegex + ")*/?)";
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const static std::string pathRegex = "(?:" + segmentRegex + "(?:/" + segmentRegex + ")*/?)";
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// A Git ref (i.e. branch or tag name).
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const static std::string refRegexS = "[a-zA-Z0-9][a-zA-Z0-9_.\\/-]*"; // FIXME: check
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extern std::regex refRegex;
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// Instead of defining what a good Git Ref is, we define what a bad Git Ref is
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// This is because of the definition of a ref in refs.c in https://github.com/git/git
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// See tests/fetchGitRefs.sh for the full definition
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const static std::string badGitRefRegexS = "//|^[./]|/\\.|\\.\\.|[[:cntrl:][:space:]:?^~\[]|\\\\|\\*|\\.lock$|\\.lock/|@\\{|[/.]$|^@$|^$";
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extern std::regex badGitRefRegex;
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// A Git revision (a SHA-1 commit hash).
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const static std::string revRegexS = "[0-9a-fA-F]{40}";
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extern std::regex revRegex;
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// A ref or revision, or a ref followed by a revision.
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const static std::string refAndOrRevRegex = "(?:(" + revRegexS + ")|(?:(" + refRegexS + ")(?:/(" + revRegexS + "))?))";
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const static std::string flakeIdRegexS = "[a-zA-Z][a-zA-Z0-9_-]*";
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extern std::regex flakeIdRegex;
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}
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