Simple menu

.gitignore

@@ -0,0 +1,2 @@
+linux/build/
+syslinux/

linux/Makefile

@@ -1,18 +1,24 @@
 CHROOT_CMD := chroot build/rootfs /bin/bash -c
 
 FILES = $(shell find src/ -type f -print | sed -e 's|^src/|build/rootfs/|')
+FILES_SRC = $(shell find src/ -type f -print)
 
-all: build/rootfs $(FILES) build/rootfs/initrd.img
+all: build/rootfs $(FILES) menu build/rootfs/initrd.img
 
 clean:
 	rm -rf build/rootfs
 
+menu: $(FILES)
+	$(CHROOT_CMD) "apt install dialog"
+	$(CHROOT_CMD) "chmod +x /scripts/menu.sh"
+	$(CHROOT_CMD) "usermod -s /scripts/menu.sh root"
+
 build/rootfs/initrd.img: $(FILES)
 	chmod +x build/rootfs/etc/initramfs-tools/scripts/local-top/download.sh
 	$(CHROOT_CMD) "apt update && apt install -y linux-image-4.19.0-6-amd64"
 	$(CHROOT_CMD) "update-initramfs -c -kall"
 
-build/rootfs/%:
+$(FILES): $(FILES_SRC)
 	mkdir -p $(@D)
 	cp $(shell echo $@ | sed -e 's|^build/rootfs/|src/|') $@
 

linux/src/scripts/menu.sh

@@ -0,0 +1,14 @@
+#!/bin/bash
+
+sleep 1
+
+dialog --menu " " 10 80 5 \
+  recv_fsa "Receive and write fsarchiver's archive (to /dev/sda1)" \
+  recv_sfd "Receive and write sfdisk's partition table" \
+  shell "Run root shell" 2>/tmp/menu \
+
+if [ "$?" != "0" ]; then CHOICE="shell"; else CHOICE=$(cat /tmp/menu); fi
+
+if ! [ -f "$CHOICE" ]; then CHOICE="shell"; fi
+
+bash $(dirname "$0")/$CHOICE.sh

linux/src/scripts/shell.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+
+clear
+bash