From 30d2f304395a2908c50ab215c501d4085428167b Mon Sep 17 00:00:00 2001
From: fxqnlr <felixquinn03@gmail.com>
Date: Wed, 21 Aug 2024 17:22:24 +0200
Subject: add removal of entries

---
 genefi.sh | 44 ++++++++++++++++++++++++++++++++++----------
 1 file changed, 34 insertions(+), 10 deletions(-)

(limited to 'genefi.sh')

diff --git a/genefi.sh b/genefi.sh
index 5e3ad14..dc3e876 100755
--- a/genefi.sh
+++ b/genefi.sh
@@ -4,24 +4,48 @@ version () {
 }
 
 generate () {
-	efi_path=/efi/EFI/Linux
-	cd $efi_path
+	local efi_path=/efi/EFI/Linux
 
-	select efi_file in *; do break; done;
+	cd $efi_path
+	
+	PS3="Select the efi file: "
+	select efi_file in *.efi; do break; done;
 	echo "creating EFI entry for $efi_file"
 
 	readarray -d "-" -t file_arr <<< $efi_file
-	kernel_version=${file_arr[1]}
+	local kernel_version=${file_arr[1]}
 	echo "recognized kernel version $kernel_version"
 
-	efi_label="gentoo-$kernel_version"
+	local efi_label="gentoo-$kernel_version"
 	echo "assigned label '$efi_label'"
 
-	doas efibootmgr --create --disk=/dev/nvme0n1 --part=1 --label="$efi_label" --loader="\\EFI\\Linux\\$efi_file" --unicode
+	doas efibootmgr --create --disk=/dev/nvme0n1 --part=1 --label="$efi_label" --loader="\\EFI\\Linux\\$efi_file" --unicode >> /dev/null
 }
 
-if [[ "$1" = "-v" ]] || [[ "$1" = "-V" ]] || [[ "$1" = "--version" ]]; then
-	version "0.2.0"
-else
+remove () {
+	readarray -d '\n' -t boot_entries <<< $( efibootmgr --unicode | grep -o -E " gentoo-[0-9]+.[0-9]+.[0-9]+" )
+	PS3="Select the entry to delete: "
+	select boot_entry in $boot_entries; do break; done;
+	local boot_num="$(efibootmgr --unicode | grep "$boot_entry" | grep -o -E "^Boot[0-9]+" | grep -o -E "[0-9]+")"
+	echo "delete entry $boot_entry (Boot$boot_num)"
+	doas efibootmgr --unicode -B -b $boot_num >> /dev/null
+}
+
+case $1 in
+"-v" | "--version" | "-V")
+	version "0.3.0"
+;;
+"generate")
+	generate
+;;
+"remove")
+	remove
+;;
+"")
 	generate
-fi
+	remove
+;;
+*)
+	echo unknown argument
+;;
+esac
-- 
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