Fix iso.toml schema; add first-boot service and ISO customizations

iso/files/usr/lib/systemd/system-preset/90-fluffy-pancake-firstboot.preset

@@ -0,0 +1 @@
+enable fluffy-pancake-firstboot.service

iso/files/usr/lib/systemd/system/fluffy-pancake-firstboot.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=Fluffy Pancake First Boot Initialization
+ConditionFirstBoot=yes
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=oneshot
+ExecStart=/usr/libexec/fluffy-pancake/firstboot.sh
+RemainAfterExit=yes
+
+[Install]
+WantedBy=first-boot-complete.target

iso/files/usr/libexec/fluffy-pancake/firstboot.sh

@@ -0,0 +1,14 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+echo "[fluffy-pancake-firstboot] starting"
+
+if systemctl list-unit-files | grep -q '^brew-setup.service'; then
+  systemctl start brew-setup.service || true
+fi
+
+if systemctl list-unit-files | grep -q '^flatpak-add-fedora-repos.service'; then
+  systemctl start flatpak-add-fedora-repos.service || true
+fi
+
+echo "[fluffy-pancake-firstboot] done"

iso/iso.toml

@@ -24,3 +24,15 @@ enable = [
 disable = [
   "org.fedoraproject.Anaconda.Modules.Subscription"
 ]
+
+[[customizations.files]]
+path = "/files/usr/lib/systemd/system/fluffy-pancake-firstboot.service"
+destination = "/usr/lib/systemd/system/fluffy-pancake-firstboot.service"
+
+[[customizations.files]]
+path = "/files/usr/libexec/fluffy-pancake/firstboot.sh"
+destination = "/usr/libexec/fluffy-pancake/firstboot.sh"
+
+[[customizations.files]]
+path = "/files/usr/lib/systemd/system-preset/90-fluffy-pancake-firstboot.preset"
+destination = "/usr/lib/systemd/system-preset/90-fluffy-pancake-firstboot.preset"