Read git e-mail addresses from a file

nix-conf/home/includes/common.nix

@@ -2,9 +2,9 @@
 let
   hcr = pkgs.callPackage ./scripts/hm-changes-report.nix { inherit config pkgs; };
   scr = pkgs.callPackage ./scripts/system-changes-report.nix { inherit config pkgs; };
+  email = builtins.readFile "${config.home.homeDirectory}/email.txt";
 in
 {
-
   imports = [
     ./zsh.nix
   ];
@@ -172,6 +172,7 @@ in
   programs.git = {
     enable = true;
     userName = "David Morgan";
+    userEmail = email;
     aliases = {
       # difftastic
       logt = "!sh -c 'GIT_EXTERNAL_DIFF=\"difft --background=dark\" git log -p --ext-diff'";

nix-conf/home/otm.nix

@@ -1,4 +1,8 @@
 { config, lib, pkgs, ... }:
+let
+  email = builtins.readFile "${config.home.homeDirectory}/email.txt";
+  otmEmail = builtins.readFile "${config.home.homeDirectory}/otm_email.txt";
+in
 {
   imports = [ 
     ./includes/darwin.nix
@@ -14,9 +18,10 @@
 
   programs.git = {
     signing.signByDefault = lib.mkForce false;
+    userEmail = lib.mkForce otmEmail;
     includes = [
-      { path = "~/.gitconfig-personal"; condition = "gitdir:~/src/personal/"; }
-      { contents = { commit.gpgSign = true; }; condition = "gitdir:~/src/personal/"; }
+      { contents = { commit.gpgSign = true; user.email = email; }; condition = "gitdir:~/src/personal/"; }
+      { contents = { commit.gpgSign = true; user.email = email; }; condition = "gitdir:~/dotfiles/"; }
     ];
     extraConfig = {
       github.user = "david-morgan-otm";

setup-home.sh

@@ -16,5 +16,7 @@ ln -sf ~/dotfiles/.emacs.d ~/
 mkdir ~/.config/nix
 echo "extra-experimental-features = nix-command flakes" > ~/.config/nix/nix.conf
 
+echo -n $EMAIL > ~/email.txt
+
 home-manager switch