slack-autoupdate

commit 5b15f85fd6506716b87873767045a646076faa00
parent 6ba6dd8def236c175c429cdb448cae7b9721955f
Author: Slack Coder <slackcoder@server.ky>
Date:   Mon, 25 Mar 2024 13:29:55 -0500

Improve kernel update handling

Handle more generic situations:

 - Use /boot/vmlinuz instead of /boot/vmlinuz-huge.
 - Use the kernel md5sum to confirm kernel changes.

Diffstat:
M
README.md
 | 
2
+-
M
src/install-kernel
 | 
4
++--
M
src/rc.slack-autoupdate
 | 
6
+++---

3 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/README.md b/README.md
@@ -83,7 +83,7 @@ into your system.  You should modify it to suit your circumstance.
 The default script assumes you are using elilo and the kernel for your EFI is
 installed into /efi/EFI/Slackware/vmlinuz.
 
-Adjust the script to your system using your favorite editor or vim:
+Adjust the script to your system using your favorite editor:
 
 ```
 vim install-kernel
diff --git a/src/install-kernel b/src/install-kernel
@@ -4,7 +4,7 @@
 #
 
 # The /boot/vmlinuz-huge softlink points to the last installed kernel.
-KERNEL_VERSION="$(realpath /boot/vmlinuz-huge | sed 's/.*\/.*-\(.*\)/\1/')"
+KERNEL_VERSION="$(realpath /boot/vmlinuz | sed 's/.*\/.*-\(.*\)/\1/')"
 if [ "$1" ]; then
   KERNEL_VERSION="$(echo "$1" | sed 's/.*\/.*-\(.*\)/\1/')"
 fi
@@ -15,7 +15,7 @@ if [ -z "$KERNEL_VERSION" ]; then
 fi
 
 echo "Installing kernel version $KERNEL_VERSION into the efi..."
-cp -H /boot/vmlinuz-huge /efi/EFI/Slackware/vmlinuz
+cp -H /boot/vmlinuz /efi/EFI/Slackware/vmlinuz
 if [ -f /etc/mkinitrd.conf ]; then
   echo "Installing initialized ram disk into the efi..."
   mkinitrd -F -k "$KERNEL_VERSION" >/dev/null 
diff --git a/src/rc.slack-autoupdate b/src/rc.slack-autoupdate
@@ -21,16 +21,16 @@ if read -r -t 5 -p "Installing updates, press enter to skip this process..."; th
   exit 0
 fi
 
-OLD_KERNEL="$(realpath /boot/vmlinuz)"
+OLD_KERNEL="$(md5sum /boot/vmlinuz | cut -f1 -d' ')"
 
 for PKG in $UPDATES; do
   upgradepkg --install-new "$PKG"
 done
 
-NEW_KERNEL="$(realpath /boot/vmlinuz)"
+NEW_KERNEL="$(md5sum /boot/vmlinuz | cut -f1 -d' ')"
 if [ "$OLD_KERNEL" != "$NEW_KERNEL" ]; then
   if command -v install-kernel &> /dev/null; then
-    install-kernel "$NEW_KERNEL"
+    install-kernel /boot/vmlinuz
   fi
 fi