From cd6644ea4ddc78597934ab0ef5ba50e3c3daa927 Mon Sep 17 00:00:00 2001 From: Mitja Felicijan Date: Sat, 8 Jul 2023 23:25:41 +0200 Subject: Moved to a simpler SSG --- content/notes/development-environments-with-nix.md | 68 ---------------------- 1 file changed, 68 deletions(-) delete mode 100644 content/notes/development-environments-with-nix.md (limited to 'content/notes/development-environments-with-nix.md') diff --git a/content/notes/development-environments-with-nix.md b/content/notes/development-environments-with-nix.md deleted file mode 100644 index 01844c9..0000000 --- a/content/notes/development-environments-with-nix.md +++ /dev/null @@ -1,68 +0,0 @@ ---- -title: "Development environments with Nix" -url: development-environments-with-nix.html -date: 2023-06-25T16:38:10+02:00 -type: notes -draft: false -tags: [random] ---- - -Nix is amazing for making reproducible cross OS development environment. - -First you need to [install Nix package -manager](https://nixos.org/download.html). - -- Create a file `shell.nix` in your project folder. -- In the section that has `python3` etc add programs you want to use. These can - be CLI or GUI applications. It doesn't matter to Nix. - -```nix -{ pkgs ? import {} }: - pkgs.mkShell { - nativeBuildInputs = with pkgs.buildPackages; [ - python3 - tinycc - ]; -} -``` - -And then run it `nix-shell`. By default it will look for `shell.nix` file. If -you want to specify a different file use `nix-shell file.nix`. That is about it. - -When the shell is spawned it could happen that your `PS1` prompt will be -overwritten and your prompt will look differently. In that case you need to -either do `NIX_SHELL_PRESERVE_PROMPT=1 nix shell` or add -`NIX_SHELL_PRESERVE_PROMPT` variable to your `bashrc` or `zshrc` file and set it -to `1`. - -I also have a modified `PS1` prompt for Bash that I use and it also catches the -usage of Nix shell. - -```sh -NIX_SHELL_PRESERVE_PROMPT=1 - -parse_git_branch() { - git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* \(.*\)/ (\1)/' -} - -is_inside_nix_shell() { - nix_shell_name="$(basename "$IN_NIX_SHELL" 2>/dev/null)" - if [[ -n "$nix_shell_name" ]]; then - echo " \e[0;36m(nix-shell)\e[0m" - fi -} - -export PS1="[\033[38;5;9m\]\u@\h\[$(tput sgr0)\]]$(is_inside_nix_shell)\[\033[33m\]\$(parse_git_branch)\[\033[00m\] \w\[$(tput sgr0)\] \n$ " -``` - -And this is what it looks like when you are in a Nix shell. Otherwise that part -of prompt is omitted - -![PS1 Prompt](/notes/ps1-prompt.png) - -More resources: - -- https://nixos.wiki/wiki/Development_environment_with_nix-shell -- https://nixos.wiki/wiki/Main_Page -- https://itsfoss.com/why-use-nixos/ -- https://mynixos.com/ -- cgit v1.2.3