Describe the bug
My apologies if this is already fixed on master branch, but I couldn't identify any particular issue or PR which describes this issue.
Nix 1.19.2 fails to build a derivation containing a symlink to store path.
# test-symlink.nix
{ local ? "/home/rodney/ops/nixpkgs"
, pkgs ? import local {}
}: rec {
direct-symlink = pkgs.runCommand "direct-symlink" {} ''
ln -vs ${local}/.version $out
'';
indirect-symlink = pkgs.runCommand "indirect-symlink" {} ''
ln -vs ${direct-symlink} $out
'';
}Steps To Reproduce
The error message is:
rodney@tethys:~/ops/nixpkgs % nix build --experimental-features "nix-command" -f test-symlink.nix && readlink -f result*
warning: Nix search path entry '/nix/var/nix/profiles/per-user/root/channels' does not exist, ignoring
warning: Ignoring setting 'auto-allocate-uids' because experimental feature 'auto-allocate-uids' is not enabled
warning: Ignoring setting 'impure-env' because experimental feature 'configurable-impure-env' is not enabled
error:
… while setting up the build environment
error: getting attributes of path '/nix/store/ws9yl6ph10v79gx4p9ilhyxg214xf7i7-direct-symlink': Permission denied
Expected behavior
I expected both derivations to build and for the resulting store paths to be resolvable symlinks.
This is what happens with nix-2.18.1:
rodney@tethys:~/ops/nixpkgs % nix build --experimental-features "nix-command" -f test-symlink.nix && readlink -f result*
warning: Nix search path entry '/nix/var/nix/profiles/per-user/root/channels' does not exist, ignoring
/home/rodney/ops/nixpkgs/.version
/home/rodney/ops/nixpkgs/.version
nix-env --version output
This is the nixUnstable package, corresponding to revision 2c7f3c0fb7c08a0814627611d9d7d45ab6d75335 of nixpkgs.
Additional context
Introduced by
You might ask, why build such a silly derivation? Well, it's how mkOutOfStoreSymlink works under home-manager.
See: nix-community/home-manager#4692
Priorities
Add 👍 to issues you find important.
Describe the bug
My apologies if this is already fixed on master branch, but I couldn't identify any particular issue or PR which describes this issue.
Nix 1.19.2 fails to build a derivation containing a symlink to store path.
Steps To Reproduce
The error message is:
Expected behavior
I expected both derivations to build and for the resulting store paths to be resolvable symlinks.
This is what happens with nix-2.18.1:
nix-env --versionoutputThis is the
nixUnstablepackage, corresponding to revision 2c7f3c0fb7c08a0814627611d9d7d45ab6d75335 of nixpkgs.Additional context
Introduced by
You might ask, why build such a silly derivation? Well, it's how
mkOutOfStoreSymlinkworks under home-manager.See: nix-community/home-manager#4692
Priorities
Add 👍 to issues you find important.