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StorePath: reject names starting with '.'

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This has been the behaviour before Nix 2.4. It was dropped in a rewrite
in 759947bf72, allowing the creation of
store paths that aren't considered valid by older Nix versions or other
Nix tooling.

Nix 2.4 didn't ship in NixOS until 22.05, and stdenv.mkDerivation in
nixpkgs drops leading periods since April 2022, so it's unlikely anyone
is relying on the current lax behaviour.

Closes #9091.

Change-Id: I4a57bd9899e1b0dba56870ae5a1b680918a18ce9
This commit is contained in:
edef 2023-10-04 16:50:24 +00:00
parent b80207fad8
commit 24bda0c7b3
3 changed files with 10 additions and 3 deletions
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2
src/libstore/path-regex.hh
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@ -3,6 +3,6 @@
namespace nix {
static constexpr std::string_view nameRegexStr = R"([0-9a-zA-Z\+\-\._\?=]+)";
static constexpr std::string_view nameRegexStr = R"([0-9a-zA-Z\+\-_\?=][0-9a-zA-Z\+\-\._\?=]*)";
}