pve-efiboot-tool: add 'kernels list' subcommand

to list custom and automatically selected kernel versions that are synced to configured ESPs

Signed-off-by: Fabian Grünbichler <f.gruenbichler@proxmox.com>

diff --git a/bin/pve-efiboot-tool b/bin/pve-efiboot-tool
index 5c51cc0ce0cf7e325f25f589ca0c5a1e032f50cf..704b28a8758fe0a5eba825234121377aad72627d 100755 (executable)
--- a/bin/pve-efiboot-tool
+++ b/bin/pve-efiboot-tool
@@ -234,6 +234,25 @@ remove_kernel() {
        fi
 }
 
+list_kernels() {
+       boot_kernels="$(boot_kernel_list)"
+
+       if [ -e "$MANUAL_KERNEL_LIST" ]; then
+               manual_kernels="$(echo "$boot_kernels" | grep -Fx -f "$MANUAL_KERNEL_LIST")"
+               boot_kernels="$(echo "$boot_kernels" | grep -Fxv -f "$MANUAL_KERNEL_LIST")"
+       fi
+
+       if [ -z "$manual_kernels" ]; then
+               manual_kernels="None."
+       fi
+
+       echo "Manually selected kernels:"
+       echo "$manual_kernels"
+       echo ""
+       echo "Automatically selected kernels:"
+       echo "$boot_kernels"
+}
+
 usage() {
        warn "USAGE: $0 <commands> [ARGS]"
        warn ""
@@ -242,6 +261,7 @@ usage() {
        warn "       $0 clean [--dry-run]"
        warn "       $0 refresh"
        warn "       $0 kernels <add|remove> <kernel-version>"
+       warn "       $0 kernels list"
        warn "       $0 help"
 }
 
@@ -266,6 +286,10 @@ help() {
        echo ""
        echo "    add/remove pve-kernel with ABI <kernel-version> to list of synced kernels, in addition to automatically selected ones."
        echo ""
+       echo "USAGE: $0 kernels list"
+       echo ""
+       echo "    list kernel versions currently selected for inclusion on ESPs."
+       echo ""
 }
 
 if [ -z "$1" ]; then
@@ -325,6 +349,10 @@ case "$1" in
                                remove_kernel "$2"
                                exit 0
                        ;;
+                       'list')
+                               list_kernels
+                               exit 0
+                       ;;
                        *)
                                warn "E: invalid subcommand '$cmd'."
                                warn ""