# nixpkgs


## Install NIX
```
sh <(curl -L https://nixos.org/nix/install) --no-daemon
```

## Enable profile
```
. /home/sstent/.nix-profile/etc/profile.d/nix.sh
```

## Setup channels and enable path
```
nix-channel --add https://github.com/rycee/home-manager/archive/master.tar.gz home-manager
nix-channel --update
export NIX_PATH=$HOME/.nix-defexpr/channels:/nix/var/nix/profiles/per-user/root/channels${NIX_PATH:+:$NIX_PATH}
```
### Setup ssh keys
```
nix-shell -p wget p7zip socat
```

## Inside SHELL
```
wget https://github.com/rupor-github/wsl-ssh-agent/releases/download/v1.5.2/wsl-ssh-agent.zip -P /tmp
mkdir -p ~/bin
7z e -y /tmp/wsl-ssh-agent.zip -o$HOME/bin/
chmod +x ~/bin/npiperelay.exe
mkdir -p $HOME/.ssh
touch $HOME/.ssh/agent.sock
```

## Create ~/bin/wsl-ssh-agent-forwarder 
```
nano ~/bin/wsl-ssh-agent-forwarder 
```
paste
```
#!/usr/bin/env bash
# Usage: wsl-ssh-agent-forward [ -k | -r ]
# Options:
#    -k    Kill the current process (if exists) and do not restart it.
#    -r    Kill the current process (if exists) and restart it.
# Default operation is to start a process only if it does not exist.

export SSH_AUTH_SOCK=$HOME/.ssh/agent.sock

sshpid=$(ss -ap | grep "$SSH_AUTH_SOCK")
if [ "$1" = "-k" ] || [ "$1" = "-r" ]; then
    sshpid=${sshpid//*pid=/}
    sshpid=${sshpid%%,*}
    if [ -n "${sshpid}" ]; then
        kill "${sshpid}"
    else
        echo "'socat' not found or PID not found"
    fi
    if [ "$1" = "-k" ]; then
        exit
    fi
    unset sshpid
fi

if [ -z "${sshpid}" ]; then
    rm -f $SSH_AUTH_SOCK
    ( setsid socat UNIX-LISTEN:$SSH_AUTH_SOCK,fork EXEC:"$HOME/bin/npiperelay.exe -ei -s //./pipe/openssh-ssh-agent",nofork & ) >/de>fi

```

## Enable the forwarder
```
chmod +x ~/bin/wsl-ssh-agent-forwarder
. ~/bin/wsl-ssh-agent-forwarder
ssh-add -l
exit
```
## Check keys loaded
```
ssh-add -l
```

## Install Home Manager
```
nix-shell '<home-manager>' -A install
```


## Grab config repo
```
rm -f /home/sstent/.config/nixpkgs/home.nix
git clone git@github.com:sstent/nixpkgs.git /home/sstent/.config/nixpkgs
```

## Enable profile
```
home-manager switch -b backup
```

# Updates
```
home-manager switch
```