| 5 Jun 2024 |
 Sam Lehman | Is there any way to reference a flake input's original flakeRef?
idk why it isn't added to <flakeInput>.sourceInfo, but I'd like to actually know where the original destination of a flake is coming from
| 16:57:12 |
 tomberek | You can't get the exact original flakeRef as a Nix value because that is mutable. For example, if you used a tag or branch name, then that can change over time, even with the same locked reference. Yes, it would be convenient to access this information, but it is not locked information, thus impure. | 20:31:00 |
| 6 Jun 2024 |
 Manu [tennox] | If I add this input
repo = {
url = "path:/home/manu/.../repo";
flake = false;
};
I can get the flake contents via
inputs.repo.outPath
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| qu4pk4 | Hi guys, I am trying to create a Flake that builds older version of OpenSSL. However, I am getting infinite recursion - I suspect it is because I use fetchurl which depends on OpenSSL (I infer this from this comment: https://github.com/NixOS/nixpkgs/blob/nixos-24.05/pkgs/development/libraries/openssl/default.nix#L15). I can send the bare flake.nix if that would help. | 12:23:07 |
| qu4pk4 | I am still quite new to flakes and also to overlays in particular. | 12:23:29 |
| qu4pk4 | {
description = "OpenSSL version";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flake-utils, ... }:
flake-utils.lib.eachDefaultSystem (system:
let
overlays = [ (final: prev: {
openssl = prev.openssl.overrideAttrs (old: rec{
version = "0.1";
src = prev.pkgs.fetchurl {
url = "https://www.openssl.org/source/openssl-${version}.tar.gz";
hash = "";
};
});
}) ];
pkgs = import nixpkgs {
inherit system overlays;
};
in
with pkgs;
{
devShells.default = mkShell { buildInputs = [ openssl ]; };
}
);
}
| 12:24:30 |
| qu4pk4 | * {
description = "OpenSSL version";
inputs = {
nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
flake-utils.url = "github:numtide/flake-utils";
};
outputs = { self, nixpkgs, flake-utils, ... }:
flake-utils.lib.eachDefaultSystem (system:
let
overlays = [ (final: prev: {
openssl = prev.openssl.overrideAttrs (old: rec{
version = "0.1";
src = prev.pkgs.fetchurl {
url = "https://www.openssl.org/source/openssl-${version}.tar.gz";
hash = "";
};
});
}) ];
pkgs = import nixpkgs {
inherit system overlays;
};
in
with pkgs;
{
devShells.default = mkShell { buildInputs = [ openssl ]; };
}
);
}
| 12:24:39 |
 nim65s | do you really need an overlay ? ie. do you want a whole nixpkgs where each and every instance of openssl is "updated" ?t | 12:35:35 |
| nim65s | otherwise, I would just go for:
packages.default = pkgs.openssl.overrideAttrs (_old: rec {
version = "0.1";
src = pkgs.fetchurl { url = "https://www.openssl.org/source/openssl-${version}.tar.gz"; };
});
| 12:36:28 |
| nim65s | or packages.old-openssl if you prefer | 12:36:44 |
| qu4pk4 | Hmm, good point. | 12:40:56 |
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| qu4pk4 | Thanks, this worked out for me in the end! | 14:44:13 |
