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allow ^ in URLs
Users may select specific outputs using the ^output syntax or selecting any output using ^*. URL parsing currently doesn't support these kinds of output references: parsing will fail. Currently `queryRegex` was reused for URL fragments, which didn't include support for ^. Now queryRegex has been split from fragmentRegex, where only the fragmentRegex supports ^.
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6 changed files with 10 additions and 4 deletions
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@ -190,7 +190,7 @@ std::optional<std::pair<FlakeRef, std::string>> parseFlakeIdRef(
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static std::regex flakeRegex(
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"((" + flakeIdRegexS + ")(?:/(?:" + refAndOrRevRegex + "))?)"
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+ "(?:#(" + queryRegex + "))?",
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+ "(?:#(" + fragmentRegex + "))?",
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std::regex::ECMAScript);
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if (std::regex_match(url, match, flakeRegex)) {
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@ -10,6 +10,8 @@ namespace nix {
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ASSERT_EQ(getNameFromURL(parseURL("path:~/repos/nixpkgs#packages.x86_64-linux.hello")), "hello");
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ASSERT_EQ(getNameFromURL(parseURL("path:.#nonStandardAttr.mylaptop")), "nonStandardAttr.mylaptop");
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ASSERT_EQ(getNameFromURL(parseURL("path:./repos/myflake#nonStandardAttr.mylaptop")), "nonStandardAttr.mylaptop");
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ASSERT_EQ(getNameFromURL(parseURL("path:./nixpkgs#packages.x86_64-linux.complex^bin,man")), "complex");
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ASSERT_EQ(getNameFromURL(parseURL("path:./myproj#packages.x86_64-linux.default^*")), "myproj");
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ASSERT_EQ(getNameFromURL(parseURL("github:NixOS/nixpkgs#packages.x86_64-linux.hello")), "hello");
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ASSERT_EQ(getNameFromURL(parseURL("github:NixOS/nixpkgs#hello")), "hello");
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@ -60,5 +62,6 @@ namespace nix {
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ASSERT_EQ(getNameFromURL(parseURL("path:.")), std::nullopt);
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ASSERT_EQ(getNameFromURL(parseURL("file:.#")), std::nullopt);
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ASSERT_EQ(getNameFromURL(parseURL("path:.#packages.x86_64-linux.default")), std::nullopt);
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ASSERT_EQ(getNameFromURL(parseURL("path:.#packages.x86_64-linux.default^*")), std::nullopt);
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}
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}
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@ -5,12 +5,13 @@
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namespace nix {
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static const std::string attributeNamePattern("[a-z0-9_-]+");
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static const std::regex lastAttributeRegex("(?:" + attributeNamePattern + "\\.)*(?!default)(" + attributeNamePattern +")");
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static const std::regex lastAttributeRegex("(?:" + attributeNamePattern + "\\.)*(?!default)(" + attributeNamePattern +")(\\^.*)?");
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static const std::string pathSegmentPattern("[a-zA-Z0-9_-]+");
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static const std::regex lastPathSegmentRegex(".*/(" + pathSegmentPattern +")");
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static const std::regex secondPathSegmentRegex("(?:" + pathSegmentPattern + ")/(" + pathSegmentPattern +")(?:/.*)?");
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static const std::regex gitProviderRegex("github|gitlab|sourcehut");
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static const std::regex gitSchemeRegex("git($|\\+.*)");
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static const std::regex defaultOutputRegex(".*\\.default($|\\^.*)");
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std::optional<std::string> getNameFromURL(ParsedURL url) {
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std::smatch match;
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@ -32,7 +33,7 @@ std::optional<std::string> getNameFromURL(ParsedURL url) {
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return match.str(1);
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/* If everything failed but there is a non-default fragment, use it in full */
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if (!url.fragment.empty() && !hasSuffix(url.fragment, "default"))
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if (!url.fragment.empty() && !std::regex_match(url.fragment, defaultOutputRegex))
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return url.fragment;
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/* If there is no fragment, take the last element of the path */
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@ -19,6 +19,7 @@ const static std::string userRegex = "(?:(?:" + unreservedRegex + "|" + pctEncod
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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 fragmentRegex = "(?:" + 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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@ -15,7 +15,7 @@ ParsedURL parseURL(const std::string & url)
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"((" + schemeRegex + "):"
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+ "(?:(?://(" + authorityRegex + ")(" + absPathRegex + "))|(/?" + pathRegex + ")))"
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+ "(?:\\?(" + queryRegex + "))?"
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+ "(?:#(" + queryRegex + "))?",
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+ "(?:#(" + fragmentRegex + "))?",
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std::regex::ECMAScript);
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std::smatch match;
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@ -126,6 +126,7 @@ nix profile install "$flake1Dir^*"
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[ -e $TEST_HOME/.nix-profile/include ]
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printf Nix > $flake1Dir/who
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nix profile list
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nix profile upgrade flake1
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[[ $($TEST_HOME/.nix-profile/bin/hello) = "Hello Nix" ]]
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[ -e $TEST_HOME/.nix-profile/share/man ]
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