Extract Nix and home-manager tips from Nix files

kachick · Aug 8, 2023 · f7438d9 · f7438d9
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diff --git a/home-manager/README.md b/home-manager/README.md
@@ -0,0 +1,36 @@
+# FAQ
+
+Also read <https://github.com/kachick/dotfiles/wiki/Nix-and-home-manager>
+
+## How to get sha256 without `lib.fakeSha256`?
+
+```bash
+nix-prefetch-git --url https://github.com/oh-my-fish/plugin-foreign-env.git --rev 3ee95536106c11073d6ff466c1681cde31001383 --quiet | jq .hash
+```
+
+## How to make executable? `.text =` makes a sym, that links to non executable file
+
+```nix
+home.file."path".executable = true;
+```
+
+Read <https://github.com/nix-community/home-manager/blob/15043a65915bcc16ad207d65b202659e4988066b/modules/xsession.nix#L195C1-L197> as an example
+
+## How to know and get the paths inside a pkg?
+
+`nix path-info` is a way, installing iTerm2 shell integration used it. Access /nix/store~ path, and `ls` helps you.
+
+## How to use edge dependencies only in some packages?
+
+```nix
+let
+  pkgsUnstable = import
+    (fetchTarball
+      "https://releases.nixos.org/nixpkgs/nixpkgs-23.11pre509044.3acb5c4264c4/nixexprs.tar.xz")
+    { };
+in
+```
+
+## I cannot find dot files in the macOS Finder
+
+<https://apple.stackexchange.com/a/250646>, consider to use [nix-darwin](https://github.com/LnL7/nix-darwin/blob/16c07487ac9bc59f58b121d13160c67befa3342e/modules/system/defaults/finder.nix#L8-L14)
diff --git a/home-manager/darwin.nix b/home-manager/darwin.nix
@@ -1,11 +1,5 @@
 { pkgs, lib, ... }:
 
-# FAQ
-#
-# A. can not found dot files in macOS finder
-# Q. https://apple.stackexchange.com/a/250646, consider to use nix-darwin
-#      https://github.com/LnL7/nix-darwin/blob/16c07487ac9bc59f58b121d13160c67befa3342e/modules/system/defaults/finder.nix#L8-L14
-
 # https://github.com/nix-community/home-manager/issues/414#issuecomment-427163925
 lib.mkMerge [
   (lib.mkIf pkgs.stdenv.isDarwin {

diff --git a/home-manager/fish.nix b/home-manager/fish.nix
@@ -1,4 +1,4 @@
-{ pkgs, lib, ... }:
+{ pkgs, ... }:
 
 {
   programs.starship.enableFishIntegration = true;

diff --git a/home-manager/home.nix b/home-manager/home.nix
@@ -1,10 +1,5 @@
 { config, pkgs, lib, ... }:
 
-# FAQ
-#
-# A. How to get sha256 without `lib.fakeSha256`?
-# Q. `nix-prefetch-git --url https://github.com/oh-my-fish/plugin-foreign-env.git --rev 3ee95536106c11073d6ff466c1681cde31001383 --quiet | jq .hash`
-
 {
   imports = [
     ./packages.nix

diff --git a/home-manager/homemade.nix b/home-manager/homemade.nix
@@ -1,10 +1,5 @@
 { pkgs, lib, ... }:
 
-# FAQ
-#
-# A. How to make executable? .text= makes syms, that links to non executable file
-# Q. https://github.com/nix-community/home-manager/blob/15043a65915bcc16ad207d65b202659e4988066b/modules/xsession.nix#L195C1-L197
-
 # - Tiny tools by me, they may be rewritten with another language.
 {
   # - Keep *.bash in shellscript naming in this repo for maintainability, the extname should be trimmed in the symlinks

diff --git a/home-manager/packages.nix b/home-manager/packages.nix
@@ -1,20 +1,5 @@
 { pkgs, ... }:
 
-# If I need the some of edge dependencies, this is the how to point unstable
-#
-# let
-#   pkgsUnstable = import
-#     (fetchTarball
-#       "https://releases.nixos.org/nixpkgs/nixpkgs-23.11pre509044.3acb5c4264c4/nixexprs.tar.xz")
-#     { };
-# in
-
-# FAQ
-#
-# A. How to know and get the paths inside a pkg?
-# Q. `nix path-info` is a way, installing iTerm2 shell integration used it. Access /nix/store~ path, and `ls` helps you.
-
-
 {
   home.packages = with pkgs; [
     # Use `bashInteractive`, don't `bash` - https://github.com/NixOS/nixpkgs/issues/29960, https://github.com/NixOS/nix/issues/730