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Fix the parsing of path flake refs with a query

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`/path?foo=bar` was parsed as `/path`, omitting the query altogether
(`/path?foo=bar#` was parsed correctly though).

Rewrite the path flake ref parser to fix this
This commit is contained in:
Théophane Hufschmitt 2024-03-01 16:51:41 +01:00
parent fbf3f9398a
commit 3740cdb654
2 changed files with 18 additions and 12 deletions
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28
src/libexpr/flake/flakeref.cc
View File

@ -78,19 +78,25 @@ std::pair<FlakeRef, std::string> parsePathFlakeRefWithFragment(
std::string path = url;
std::string fragment = "";
std::map<std::string, std::string> query;
auto pathEnd = url.find_first_of("#?");
auto fragmentStart = pathEnd;
if (pathEnd != std::string::npos && url[pathEnd] == '?') {
fragmentStart = url.find("#");
}
auto pathEnd = url.find_first_of("?#");
if (pathEnd != std::string::npos) {
// There's something (either a query string or a fragment) in addition
// to the path
path = url.substr(0, pathEnd);
}
if (fragmentStart != std::string::npos) {
fragment = percentDecode(url.substr(fragmentStart+1));
}
if (pathEnd != std::string::npos && fragmentStart != std::string::npos) {
query = decodeQuery(url.substr(pathEnd+1, fragmentStart-pathEnd-1));
std::string non_path_part = url.substr(pathEnd + 1);
if (url[pathEnd] == '#') {
// Not query, just a fragment
fragment = percentDecode(non_path_part);
} else {
// We have a query, and maybe a fragment too
auto fragmentStart = non_path_part.find("#");
if (fragmentStart != std::string::npos) {
query = decodeQuery(non_path_part.substr(0, fragmentStart));
fragment = percentDecode(non_path_part.substr(fragmentStart+1));
} else {
query = decodeQuery(non_path_part);
}
}
}
if (baseDir) {

2
tests/functional/flakes/inputs.sh
View File

@ -24,7 +24,7 @@ test_subdir_self_path() {
}
EOF
(
nix build $baseDir?dir=b-low --no-link
nix build $baseDir/b-low --no-link
)
}
test_subdir_self_path