fastfetch

2026-06-14 13:25:39 +02:00
parent d5ea865a4e
commit db6662420c
8 changed files with 293 additions and 153 deletions
--- a/modules/home/cli/fastfetch/default.nix
+++ b/modules/home/cli/fastfetch/default.nix
@@ -0,0 +1,149 @@
+{ pkgs, config, lib, ... }:
+let
+  p = config.colorScheme.palette;
+
+  hexDigits = {
+    "0"=0; "1"=1; "2"=2; "3"=3; "4"=4; "5"=5; "6"=6; "7"=7;
+    "8"=8; "9"=9; "a"=10; "b"=11; "c"=12; "d"=13; "e"=14; "f"=15;
+  };
+  hexByte = h:
+    hexDigits.${lib.toLower (builtins.substring 0 1 h)} * 16 +
+    hexDigits.${lib.toLower (builtins.substring 1 1 h)};
+  rgb = hex:
+    let r = toString (hexByte (builtins.substring 0 2 hex));
+        g = toString (hexByte (builtins.substring 2 2 hex));
+        b = toString (hexByte (builtins.substring 4 2 hex));
+    in "${r};${g};${b}";
+
+  #  in a JSON string → ESC; JSON custom module format uses this directly
+  blk  = c: "\\u001b[38;2;${rgb c}m\\ue0b7●\\ue0b5 \\u001b[0m";
+  row  = cs: " " + builtins.concatStringsSep "" (map blk cs);
+
+  base = row [ p.base00 p.base01 p.base02 p.base03 p.base04 p.base05 p.base06 p.base07 ];
+  alt  = row [ p.alt00  p.alt01  p.alt02  p.alt03  p.alt04  p.alt05  p.alt06  p.alt07  ];
+  high = row [ p.high08 p.high09 p.high0A p.high0B p.high0C p.high0D p.high0E p.high0F ];
+  low  = row [ p.low08  p.low09  p.low0A  p.low0B  p.low0C  p.low0D  p.low0E  p.low0F  ];
+
+  # ── logo colors ── change $1 / $2 to any palette entry ───────────────────
+  logoColor1 = p.base07;
+  logoColor2 = p.base07;
+  # ─────────────────────────────────────────────────────────────────────────
+in {
+  home.packages = with pkgs; [ fastfetch ];
+  xdg.configFile."neofetch/config.conf".source = ./config.conf;
+  xdg.configFile."fastfetch/logo.txt".source = ./logo.txt;
+  xdg.configFile."fastfetch/config.jsonc".text = ''
+    {
+        "$schema": "https://github.com/fastfetch-cli/fastfetch/raw/dev/doc/json_schema.json",
+        "logo": {
+            "type": "file",
+            "source": "~/.config/fastfetch/logo.txt",
+            "color": {
+                "1": "38;2;${rgb logoColor1}",
+                "2": "38;2;${rgb logoColor2}"
+            },
+            "padding": {
+                "top": 1,
+                "right": 4
+            }
+        },
+        "display": {
+            "separator": "  ",
+            "key": { "width": 16 },
+            "color": {
+                "separator": "90"
+            }
+        },
+        "modules": [
+            {
+                "type": "title",
+                "colorUser": "blue",
+                "colorAt": "90",
+                "colorHost": "cyan"
+            },
+            "separator",
+            {
+                "type": "os",
+                "key": "󱄅  os",
+                "keyColor": "blue",
+                "format": "{2} {8}"
+            },
+            {
+                "type": "kernel",
+                "key": "󰌽  kernel",
+                "keyColor": "blue",
+                "format": "{2}"
+            },
+            {
+                "type": "packages",
+                "key": "󰏗  pkgs",
+                "keyColor": "blue"
+            },
+            {
+                "type": "uptime",
+                "key": "󰅐  uptime",
+                "keyColor": "blue"
+            },
+            "break",
+            {
+                "type": "cpu",
+                "key": "󱛠  cpu",
+                "keyColor": "green",
+                "format": "{1} ({4}t @ {6})"
+            },
+            {
+                "type": "gpu",
+                "key": "󰍹  gpu",
+                "keyColor": "green",
+                "format": "{2} [{6}]"
+            },
+            {
+                "type": "memory",
+                "key": "󰑭  ram",
+                "keyColor": "green"
+            },
+            {
+                "type": "disk",
+                "key": "󰋊  disk",
+                "keyColor": "green",
+                "folders": "/"
+            },
+            "break",
+            {
+                "type": "wm",
+                "key": "󱂬  wm",
+                "keyColor": "yellow",
+                "format": "{2}"
+            },
+            {
+                "type": "terminal",
+                "key": "󰆍  terminal",
+                "keyColor": "yellow"
+            },
+            {
+                "type": "shell",
+                "key": "󱆃  shell",
+                "keyColor": "yellow"
+            },
+            "break",
+            {
+                "type": "command",
+                "key": "󰃑  installed",
+                "keyColor": "magenta",
+                "text": "birth=$(stat -c %W /); echo \"$(( ($(date +%s) - birth) / 86400 )) days\""
+            },
+            {
+                "type": "command",
+                "key": "󰜅  generation",
+                "keyColor": "magenta",
+                "text": "nixos-rebuild list-generations | awk '$NF == \"True\" {print $2, $3}' | xargs -I {} date -d \"{}\" +\"%s\" | awk '{diff=systime()-$1; if(diff<3600) printf \"%d mins\\n\", diff/60; else if(diff<86400) printf \"%.0f hours\\n\", diff/3600; else printf \"%.0f days\\n\", diff/86400}'"
+            },
+            "break",
+            { "type": "custom", "format": "${base}" },
+            { "type": "custom", "format": "${alt}"  },
+            { "type": "custom", "format": "${high}" },
+            { "type": "custom", "format": "${low}"  }
+        ]
+    }
+  '';
+}