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readme: update installation instructions
Also clean up usage section slightly.
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README.md
59
README.md
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@ -46,50 +46,62 @@ Currently the easiest way to install Home Manager is as follows:
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since Home Manager uses these directories to manage your profile
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generations. On NixOS these should already be available.
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2. Clone the Home Manager repository into the `~/.config/nixpkgs`
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directory:
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2. Assign a temporary variable holding the URL to the appropriate
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archive. Typically this is
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```console
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$ git clone -b master https://github.com/rycee/home-manager ~/.config/nixpkgs/home-manager
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$ HM_PATH=https://github.com/rycee/home-manager/archive/master.tar.gz
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```
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or
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```console
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$ git clone -b release-17.09 https://github.com/rycee/home-manager ~/.config/nixpkgs/home-manager
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$ HM_PATH=https://github.com/rycee/home-manager/archive/release-17.09.tar.gz
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```
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depending on whether you are tracking Nixpkgs unstable or version
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17.09.
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depending on whether you follow Nixpkgs unstable or version 17.09.
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3. Add Home Manager to your user's Nixpkgs, for example by symlinking the
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overlay to `~/.config/nixpkgs/overlays`:
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2. Create an initial Home Manager configuration file:
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```console
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$ ln -s ~/.config/nixpkgs/home-manager/overlay.nix ~/.config/nixpkgs/overlays/home-manager.nix
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$ cat > ~/.config/nixpkgs/home.nix <<EOF
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{
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programs.home-manager.enable = true;
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programs.home-manager.path = $HM_PATH;
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}
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EOF
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```
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4. Install the `home-manager` package:
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3. Create the first Home Manager generation:
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```console
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$ nix-env -f '<nixpkgs>' -iA home-manager
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installing ‘home-manager’
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$ nix-shell $HM_PATH -A install --run 'home-manager switch'
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```
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Home Manager should now be active and available in your user
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environment.
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Note, because the `HM_PATH` variable above points to the live Home
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Manager repository you will automatically get updates whenever you
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build a new generation. If you dislike automatic updates then perform
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a Git clone of the desired branch and set `programs.home-manager.path`
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to the absolute path of your clone.
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Usage
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-----
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The `home-manager` package installs a tool that is conveniently called
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`home-manager`. This tool can apply configurations to your home
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Home Manager is typically managed through the `home-manager` tool.
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This tool can, for example, apply configurations to your home
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directory, list user packages installed by the tool, and list the
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configuration generations.
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As an example, let us set up a very simple configuration that installs
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the htop and fortune packages, installs Emacs with a few extra
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packages enabled, installs Firefox with Adobe Flash enabled, and
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enables the user gpg-agent service.
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As an example, let us expand the initial configuration file from the
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installation above to install the htop and fortune packages, install
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Emacs with a few extra packages enabled, install Firefox with Adobe
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Flash enabled, and enable the user gpg-agent service.
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First create a file `~/.config/nixpkgs/home.nix` containing
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To satisfy the above setup we should elaborate the
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`~/.config/nixpkgs/home.nix` file as follows:
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```nix
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{ pkgs, ... }:
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@ -118,6 +130,11 @@ First create a file `~/.config/nixpkgs/home.nix` containing
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defaultCacheTtl = 1800;
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enableSshSupport = true;
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};
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programs.home-manager = {
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enable = true;
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path = "…";
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};
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}
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```
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@ -136,8 +153,8 @@ $ home-manager build
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which will create a `result` link to a directory containing an
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activation script and the generated home directory files.
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To see available configuration options with descriptions
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and usage examples run
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To see available configuration options with descriptions and usage
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examples run
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```console
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$ man home-configuration.nix
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