changed login shell to fern, added fern configuration

modules/home/environment/fern/extraconfig.nix

@@ -0,0 +1,174 @@
+{ lib, config, self, pkgs, ... }:
+let
+  shellsound = "${pkgs.myScripts.playshellsound}/bin/playshellsound";
+  color-commit = "${pkgs.myScripts.color-commit}/bin/color-commit";
+  sndpath = "${self}/assets/sound";
+in
+{
+  programs.fern = {
+    settings.extraPreConfig = ''
+      prompt_topline() {
+        if [ "$?" -eq "0" ]; then
+          last_cmd_status="\e[1;32m\e[0m"
+        else
+          last_cmd_status="\e[1;31m\e[0m"
+        fi
+        user_and_host="\e[1m$USER\e[1;36m@\e[1;31m$HOST\e[0m"
+        last_runtime_raw="$(echo -p "\t")"
+        if [ -z "$last_runtime_raw" ]; then
+          last_cmd_runtime=""
+          last_cmd_status=""
+        else
+          last_cmd_runtime="\e[1;38;2;249;226;175m󰔛 $(echo -p "\T")\e[0m"
+        fi
+        echo -n "$user_and_host $last_cmd_runtime $last_cmd_status\n"
+      }
+
+      prompt_midline() {
+        git rev-parse --is-inside-work-tree > /dev/null 2>&1 || return
+
+        status="$(git status --porcelain 2>/dev/null)"
+        gitsigns=""
+
+        [ -n "$status" ] && echo "$status" | command grep -q '^ [MADR]' && gitsigns="$gitsigns!"
+        [ -n "$status" ] && echo "$status" | command grep -q '^??' && gitsigns="$gitsigns?"
+        [ -n "$status" ] && echo "$status" | command grep -q '^[MADR]' && gitsigns="$gitsigns+"
+
+        ahead="$(git rev-list --count @{upstream}..HEAD 2>/dev/null)"
+        behind="$(git rev-list --count HEAD..@{upstream} 2>/dev/null)"
+        [ $ahead -gt 0 ] && gitsigns="$gitsigns↑"
+        [ $behind -gt 0 ] && gitsigns="$gitsigns↓"
+
+        branch="$(git branch --show-current 2>/dev/null)"
+
+        if [ -n "$gitsigns" ] || [ -n "$branch" ]; then
+          if [ -n "$gitsigns" ]; then
+            gitsigns="\e[1;31m[$gitsigns]"
+          fi
+          echo -n "\e[0mon \e[1;35m ''${branch}$gitsigns\e[0m\n"
+        fi
+      }
+
+      prompt_botline() {
+        echo -p "\e[1;36m\W\e[1;32m/"
+      }
+
+      prompt() {
+        top="$(prompt_topline)"
+        mid="$(prompt_midline)"
+        bot="$(prompt_botline)"
+        dollar="$(echo -p "\$ ")"
+        dollar="$(echo -e "\e[1;32m$dollar\e[0m")"
+        echo -en "$top$mid$bot\n$dollar"
+      }
+
+      export PS1="\n\!prompt "
+    '';
+    settings.extraPostConfig = ''
+      encrypt() {
+        if [ -z "$1" ]; then
+          echo "Usage: encrypt <text> [recipient]"
+          return 1
+        fi
+        if [ -z "$2" ]; then
+          gpg --encrypt --armor -r "$1"
+        else
+          echo "$1" | gpg --encrypt --armor -r "$2"
+        fi
+      }
+      decrypt() {
+        if [ -z "$1" ]; then
+          gpg --decrypt --quiet 2>/dev/null
+        else
+          echo "$1" | gpg --decrypt --quiet
+        fi
+      }
+
+      viflake() {
+        (
+          while ! [ -f ./flake.nix ]; do
+            builtin cd ..
+            if [ "$PWD" = "/" ]; then
+              echo "No flake.nix found in this directory or any parent directories."
+              return 1
+            fi
+          done
+          nvim ./flake.nix
+        )
+      }
+
+      nvim() {
+        ${shellsound} ${sndpath}/nvim.wav
+        command nvim "$@"
+      }
+      neovide() {
+        ${shellsound} ${sndpath}/nvim.wav
+        command neovide "$@"
+      }
+      grimblast() {
+        if command grimblast "$@"; then
+          ${shellsound} ${sndpath}/screenshot.wav
+        fi
+      }
+      gitcheckout_sfx() {
+        if git checkout "$@"; then
+          ${shellsound} ${sndpath}/gitcheckout.wav
+        else
+          ${shellsound} ${sndpath}/error.wav
+        fi
+      }
+      gitrebase_sfx() {
+        if git rebase "$@"; then
+          ${shellsound} ${sndpath}/gitrebase.wav
+        else
+          ${shellsound} ${sndpath}/error.wav
+        fi
+      }
+      gitcommit_sfx() {
+        output="$(git commit "$@")"
+        if [ "$?" -eq "0" ]; then
+          ${shellsound} ${sndpath}/gitcommit.wav
+          echo "$output" | ${color-commit}
+          return 0
+        else
+          ${shellsound} ${sndpath}/error.wav
+          echo "$output"
+          return 1
+        fi
+      }
+      gitpush_sfx() {
+        if git push "$@"; then
+          ${shellsound} ${sndpath}/gitpush.wav
+        else
+          ${shellsound} ${sndpath}/error.wav
+        fi
+      }
+      gitpull_sfx() {
+        if git pull "$@"; then
+          ${shellsound} ${sndpath}/gitpull.wav
+        else
+          ${shellsound} ${sndpath}/error.wav
+        fi
+      }
+
+      ls() {
+        eza -1 --group-directories-first --icons "$@"
+        ${shellsound} ${sndpath}/ls.wav
+      }
+
+      mkcd() {
+        command mkdir -p "$1" && builtin cd "$1"
+      }
+
+      cd() {
+        eza -1 --group-directories-first --icons "$@" 2> /dev/null
+        builtin cd "$@"
+        ${shellsound} ${sndpath}/cd.wav
+      }
+
+      if [ "$0" = "-fern" ]; then
+        ${shellsound} $FLAKEPATH/assets/sound/login.wav
+      fi
+    '';
+  };
+}