From 4f2bf2a2a398197ec12593025aed4ca4e703c74d Mon Sep 17 00:00:00 2001
From: Leon Schumacher <leonsch@protonmail.com>
Date: Wed, 30 Oct 2024 21:43:19 +0100
Subject: [PATCH] README: add number of packages

---
 README.md    |  3 ++-
 README.md.in |  2 +-
 flake.nix    | 21 +++++++++++++++------
 3 files changed, 18 insertions(+), 8 deletions(-)

diff --git a/README.md b/README.md
index 786f96c..a6ce98d 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@ A personal collection of unusual things
   * substituter: `https://attic.eleonora.gay/default`
   * public key:  `default:3FYh8sZV8gWa7Jc5jlP7gZFK7pt3kaHRiV70ySaQ42g=`
 
-## Packages
+## 39 Packages
 
 | Name | Description | Homepage |
 |------|-------------|----------|
@@ -48,3 +48,4 @@ A personal collection of unusual things
 |`vencloud`|Vencord API|https://github.com/Vencord/Vencloud|
 |`vwifi`|Simulator of WiFi (802.11) interfaces to communicate between several Virtual Machines|https://github.com/Raizo62/vwifi|
 |`wayland-shell`|Small-scale replacement of the GNOME Shell|https://github.com/nilsherzig/wayland-shell|
+
diff --git a/README.md.in b/README.md.in
index da8d3d1..b519f82 100644
--- a/README.md.in
+++ b/README.md.in
@@ -5,7 +5,7 @@ A personal collection of unusual things
   * substituter: `https://attic.eleonora.gay/default`
   * public key:  `default:3FYh8sZV8gWa7Jc5jlP7gZFK7pt3kaHRiV70ySaQ42g=`
 
-## Packages
+## @NUM@ Packages
 
 | Name | Description | Homepage |
 |------|-------------|----------|
diff --git a/flake.nix b/flake.nix
index ed64296..5e5cc28 100644
--- a/flake.nix
+++ b/flake.nix
@@ -105,12 +105,21 @@
       readme = pipe self.packages.${pkgs.system} [
         (mapAttrsToList (name: p:
           "|`${name}`|${p.meta.description or ""}|${p.meta.homepage or ""}|"))
-        (builtins.concatStringsSep "\n")
-        (s: pkgs.writeText "readme"
-          (builtins.readFile ./README.md.in + s + "\n"))
-        (s: pkgs.writeShellScriptBin "readme" ''
-          install -m644 ${s} README.md
-        '')
+        (x: pipe x [
+          (builtins.concatStringsSep "\n")
+          (s: pipe ./README.md.in [
+            builtins.readFile
+            (builtins.replaceStrings
+              [ "@NUM@" ]
+              [ (toString (builtins.length x)) ])
+            (x: x + s + "\n")
+          ])
+          (s: pkgs.writeShellScriptBin "readme" ''
+            cat <<\EOF > README.md
+            ${s}
+            EOF
+          '')
+        ])
       ];
 
       matrix = pkgs.writeShellApplication {