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getNameFromURL(): Support uppercase characters in attribute names

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In particular, this makes it handle 'legacyPackages' correctly.

(cherry picked from commit 936a3642264ac159f3f9093710be3465b70e0e89)

Upstream-PR: https://github.com/NixOS/nix/pull/9657
Change-Id: Icc4efe02f7f8e90a2970589f72fd3d3cd4418d95
This commit is contained in:
Eelco Dolstra 2023-12-22 16:35:58 +01:00 committed by Qyriad
parent e98fc952a8
commit ce70f02aff
2 changed files with 6 additions and 4 deletions
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2
src/libutil/url-name.cc
View file

@ -5,7 +5,7 @@
namespace nix {
static std::string const attributeNamePattern("[a-z0-9_-]+");
static std::string const attributeNamePattern("[a-zA-Z0-9_-]+");
static std::regex const lastAttributeRegex("(?:" + attributeNamePattern + "\\.)*(?!default)(" + attributeNamePattern +")(\\^.*)?");
static std::string const pathSegmentPattern("[a-zA-Z0-9_-]+");
static std::regex const lastPathSegmentRegex(".*/(" + pathSegmentPattern +")");

8
tests/unit/libutil/url-name.cc
View file

@ -5,11 +5,13 @@ namespace nix {
/* ----------- tests for url-name.hh --------------------------------------------------*/
TEST(getNameFromURL, getsNameFromURL) {
TEST(getNameFromURL, getNameFromURL) {
ASSERT_EQ(getNameFromURL(parseURL("path:/home/user/project")), "project");
ASSERT_EQ(getNameFromURL(parseURL("path:~/repos/nixpkgs#packages.x86_64-linux.hello")), "hello");
ASSERT_EQ(getNameFromURL(parseURL("path:.#nonStandardAttr.mylaptop")), "nonStandardAttr.mylaptop");
ASSERT_EQ(getNameFromURL(parseURL("path:./repos/myflake#nonStandardAttr.mylaptop")), "nonStandardAttr.mylaptop");
ASSERT_EQ(getNameFromURL(parseURL("path:~/repos/nixpkgs#legacyPackages.x86_64-linux.hello")), "hello");
ASSERT_EQ(getNameFromURL(parseURL("path:~/repos/nixpkgs#packages.x86_64-linux.Hello")), "Hello");
ASSERT_EQ(getNameFromURL(parseURL("path:.#nonStandardAttr.mylaptop")), "mylaptop");
ASSERT_EQ(getNameFromURL(parseURL("path:./repos/myflake#nonStandardAttr.mylaptop")), "mylaptop");
ASSERT_EQ(getNameFromURL(parseURL("path:./nixpkgs#packages.x86_64-linux.complex^bin,man")), "complex");
ASSERT_EQ(getNameFromURL(parseURL("path:./myproj#packages.x86_64-linux.default^*")), "myproj");