fix(setup-wal-g): become_user doesn't source /etc/profile.d, so switch back to the shell module :(

Author: hunleyd

ansible/tasks/setup-wal-g.yml

@@ -29,16 +29,14 @@
     - stage2_nix
   block:
     - name: Install wal-g 2 from nix binary cache
-      ansible.builtin.command:
-        cmd: "nix profile install github:supabase/postgres/{{ git_commit_sha }}#wal-g-2"
+      ansible.builtin.shell:
+        cmd: sudo -u wal-g bash -c ". /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh && nix profile install github:supabase/postgres/{{ git_commit_sha }}#wal-g-2"
       become: true
-      become_user: 'wal-g'
 
     - name: Install wal-g 3 from nix binary cache
-      ansible.builtin.command:
-        cmd: "nix profile install github:supabase/postgres/{{ git_commit_sha }}#wal-g-3"
+      ansible.builtin.shell:
+        cmd: sudo -u wal-g bash -c ". /nix/var/nix/profiles/default/etc/profile.d/nix-daemon.sh && nix profile install github:supabase/postgres/{{ git_commit_sha }}#wal-g-3"
       become: true
-      become_user: 'wal-g'
 
     - name: Create symlink for wal-g-3 from Nix profile to /usr/local/bin
       ansible.builtin.file: