Fix #647 (#648)

* Fix #647

* Fix read/echo issue in configure

Author: Etn40ff

package/kernelctl/kernelctl

@@ -67,7 +67,11 @@ get_kernel_names() {
 
 # get current kernel
 get_current_kernel_name() {
-    current_kernel_name=$(find "$kernelctl_dir" -samefile "$kernelctl_dir"/current.tar.bz2 ! -name current.tar.bz2 -print0 | xargs -0 -I"{}" basename {} .tar.bz2)
+    if [[ -e "$kernelctl_dir"/current.tar.bz2 ]]; then
+        current_kernel_name=$(find "$kernelctl_dir" -samefile "$kernelctl_dir"/current.tar.bz2 ! -name current.tar.bz2 -print0 | xargs -0 -I"{}" basename {} .tar.bz2)
+    else
+        current_kernel_name=''
+    fi
 }
 
 # translate input into a kernel name
@@ -104,8 +108,12 @@ list() {
 # show the current configured kernel
 show() {
     get_current_kernel_name
-    echo -e "${gr}Current kernel:${sf}"
-    echo -e "  ${bf}${current_kernel_name}${sf}"
+    if [[ "$current_kernel_name" = "" ]]; then
+        echo -e "${bf}There is no link to the current running kernel in the staging area.${sf}"
+    else
+        echo -e "${gr}Current kernel:${sf}"
+        echo -e "  ${bf}${current_kernel_name}${sf}"
+    fi
 }
 
 # actually switch kernels

package/kernelctl/package

@@ -5,8 +5,8 @@
 pkgnames=(kernelctl)
 pkgdesc="Manage aftermarket kernels"
 url=https://toltec-dev.org/
-pkgver=0.1-4
-timestamp=2022-03-14T00:00Z
+pkgver=0.1-5
+timestamp=2022-11-12T00:00Z
 section="utils"
 maintainer="Salvatore Stella <etn45p4m@gmail.com>"
 license=MIT
@@ -27,14 +27,7 @@ package() {
 
 configure() {
     if [[ "$(kernelctl list | tail -n +2 | awk '{print $2}' | grep "vanilla-$(< /etc/version)")" == "" ]]; then
-        read -r -d '' msg <<- EOM
-		It looks like there is no backup of the upstream kernel for the
-		installed version of codex.
-
-		Please standby while one is produced (assuming that the
-		currently running kernel is upstream).
-	EOM
-        echo -e "$msg"
+        echo "Creating a backup of the currently running kernel."
         kernelctl backup vanilla
     fi
 }