[update] : Not require edk2 to build

Author: Hayao0819

build.sh

@@ -873,13 +873,14 @@ make_efi() {
     done
 
     # edk2-shell based UEFI shell
-    local _efi_shell _efi_shell_arch
-    for _efi_shell in "${build_dir}"/${arch}/airootfs/usr/share/edk2-shell/*; do
-        _efi_shell_arch="$(basename ${_efi_shell})"
-        if [[ "${_efi_shell_arch}" == 'aarch64' ]]; then
-            cp "${_efi_shell}/Shell.efi" "${isofs_dir}/EFI/shell_${_efi_shell_arch}.efi"
+    local _efi_shell_arch
+    for _efi_shell_arch in $(find "${airootfs_dir}/usr/share/edk2-shell" -mindepth 1 -maxdepth 1 -type d -print0 | xargs -0 -I{} basename {}); do
+        if [[ -f "${airootfs_dir}/usr/share/edk2-shell/${_efi_shell_arch}/Shell_Full.efi" ]]; then
+            cp "${airootfs_dir}/usr/share/edk2-shell/${_efi_shell_arch}/Shell_Full.efi" "${isofs_dir}/EFI/shell_${_efi_shell_arch}.efi"
+        elif [[ -f "${airootfs_dir}/usr/share/edk2-shell/${_efi_shell_arch}/Shell.efi" ]]; then
+            cp "${airootfs_dir}/usr/share/edk2-shell/${_efi_shell_arch}/Shell.efi" "${isofs_dir}/EFI/shell_${_efi_shell_arch}.efi"
         else
-            cp "${_efi_shell}/Shell_Full.efi" "${isofs_dir}/EFI/shell_${_efi_shell_arch}.efi"
+            continue
         fi
         cat - > "${isofs_dir}/loader/entries/uefi-shell-${_efi_shell_arch}.conf" << EOF
 title  UEFI Shell ${_efi_shell_arch}