chore: clean ouput and add comments to installed scripts

scripts/functions.sh

@@ -240,14 +240,16 @@ function disk_create_partition() {
 		|| die "Could not create new gpt partition ($new_id) on '$device' ($id)"
 	partprobe "$device"
 
-        # On some system, we need to wait a bit for the $new_id symlink to show up.
+	# On some system, we need to wait a bit for the partition to show up.
 	local new_device
 	new_device="$(resolve_device_by_id "$new_id")" \
 		|| die "Could not resolve new device with id=$new_id"
 	for i in {1..10}; do
-                [[ -f "$new_device" ]] && break
+		[[ -e "$new_device" ]] && break
-                echo "Waiting for partition $new_device to appear, $i second..."
+		[[ "$i" -eq 1 ]] && printf "Waiting for partition ($new_device) to appear..."
+		printf " $((10 - i + 1))"
 		sleep 1
+		[[ "$i" -eq 10 ]] && echo
 	done
 }
 

scripts/main.sh

@@ -161,7 +161,7 @@ function generate_initramfs() {
 	cat > "$(dirname "$output")/generate_initramfs.sh" <<EOF
 #!/bin/bash
 kver="\$1"
-output="\$2"
+output="\$2" # At setup time, this was "$output"
 [[ -n "\$kver" ]] || { echo "usage \$0 <kernel_version> <output>" >&2; exit 1; }
 dracut \\
 	--kver          "\$kver" \\
@@ -171,7 +171,7 @@ dracut \\
 	--add           "bash ${modules[*]}" \\
 	${dracut_opts[@]@Q} \\
 	--force \\
-	"$output"
+	"\$output"
 EOF
 }
 
@@ -216,6 +216,8 @@ function install_kernel_efi() {
 	# Create script to repeat adding efibootmgr entry
 	cat > "/boot/efi/efibootmgr_add_entry.sh" <<EOF
 #!/bin/bash
+# This is the command that was used to create the efibootmgr entry when the
+# system was installed using gentoo-install.
 efibootmgr --verbose --create --disk "$gptdev" --part "$efipartnum" --label "gentoo" --loader '\\vmlinuz.efi' --unicode 'initrd=\\initramfs.img'" $(get_cmdline)"
 EOF
 }