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update arch post update script

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This commit is contained in:
masq 2025-11-01 08:36:08 +01:00
parent cbaa5cf408
commit e612c2ddd0
Signed by: masq
GPG Key ID: 35A0D64DDE13B10F
1 changed files with 47 additions and 35 deletions
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82
arch_post_update_update_boot.sh
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@ -17,49 +17,61 @@ source /etc/profile
ask_overwrite() { ask_overwrite() {
echo "Existing destination folder ($ARCH_BOOT_DST_CURRENT_VERSION), do you want to overwrite? (y/n)"; echo "Existing destination folder ($ARCH_BOOT_DST_CURRENT_VERSION), do you want to overwrite? (y/n)";
read OVERWRITE; read OVERWRITE;
test "$OVERWRITE" = "y" && return return `test "$OVERWRITE" = "y"`
echo "Do not overwrite. Exitting gently..."
exit 0;
} }
PACMAN_BIN=${PACMAN_BIN:-/usr/bin/pacman} do_upgrade() {
BOOT_SYMLINK=${BOOT_SYMLINK:-current} PKG_NAME=$1
ARCH_INITRAMFS=$2
ARCH_INITRAMFS_FALLBACK=$3
ARCH_VMLINUZ=$4
PACMAN_BIN=${PACMAN_BIN:-/usr/bin/pacman}
BOOT_SYMLINK=${BOOT_SYMLINK:-$PKG_NAME}
BOOT_ORIG=/boot
ARCH_BOOT_DST=$TMP_BOOT_DST/$BOOT_DIR_SUFFIX
CURRENT_VERSION=`${PACMAN_BIN} -Qi $PKG_NAME \
| sed -n '/^Version *:/p' \
| grep -o '[^ ]*$'`
ARCH_BOOT_DST_CURRENT_VERSION=$ARCH_BOOT_DST/$CURRENT_VERSION
test -d $ARCH_BOOT_DST_CURRENT_VERSION \
&& test `realpath $ARCH_BOOT_DST/$BOOT_SYMLINK` = $ARCH_BOOT_DST_CURRENT_VERSION \
&& echo "$PKG_NAME version already up to date ($CURRENT_VERSION)" && return 1;
mkdir $ARCH_BOOT_DST_CURRENT_VERSION || ask_overwrite || return 1;
(
cd $BOOT_ORIG;
# Copy the new kernel files to the real destination in boot fs
cp -t $ARCH_BOOT_DST_CURRENT_VERSION $ARCH_INITRAMFS $ARCH_INITRAMFS_FALLBACK $ARCH_VMLINUZ;
)
(
cd $ARCH_BOOT_DST;
# Re-link the good version
test -h $BOOT_SYMLINK && rm $BOOT_SYMLINK;
ln -s $CURRENT_VERSION $PKG_NAME;
)
echo "$PKG_NAME version updated to $CURRENT_VERSION"
}
CURRENT_VERSION=`${PACMAN_BIN} -Qi linux \
| sed -n '/^Version *:/p' \
| grep -o '[^ ]*$'`
BOOT_BLK=/dev/$LVM_VG_BOOT/$LVM_LG_BOOT_NAME
BOOT_ORIG=/boot
TMP_BOOT_DST=`mktemp -d` TMP_BOOT_DST=`mktemp -d`
BOOT_BLK=/dev/$LVM_VG_BOOT/$LVM_LG_BOOT_NAME
ARCH_BOOT_DST=$TMP_BOOT_DST/$BOOT_DIR_SUFFIX
ARCH_BOOT_DST_CURRENT_VERSION=$ARCH_BOOT_DST/$CURRENT_VERSION
ARCH_INITRAMFS=initramfs-linux.img
ARCH_INITRAMFS_FALLBACK=initramfs-linux-fallback.img
ARCH_VMLINUZ=vmlinuz-linux
mount $BOOT_BLK $TMP_BOOT_DST; mount $BOOT_BLK $TMP_BOOT_DST;
test -d $ARCH_BOOT_DST_CURRENT_VERSION \
&& test `realpath $ARCH_BOOT_DST/$BOOT_SYMLINK` = $ARCH_BOOT_DST_CURRENT_VERSION \
&& echo "Linux version already up to date ($CURRENT_VERSION)" && exit 0;
mkdir $ARCH_BOOT_DST_CURRENT_VERSION || ask_overwrite; do_upgrade linux initramfs-linux.img initramfs-linux-fallback.img vmlinuz-linux \
|| echo "Skipped linux upgrade"
( do_upgrade linux-lts initramfs-linux-lts.img initramfs-linux-lts-fallback.img vmlinuz-linux-lts \
cd $BOOT_ORIG; || echo "Skipped linux-lts upgrade"
# Copy the new kernel files to the real destination in boot fs
cp -t $ARCH_BOOT_DST_CURRENT_VERSION $ARCH_INITRAMFS $ARCH_INITRAMFS_FALLBACK $ARCH_VMLINUZ;
)
(
cd $ARCH_BOOT_DST;
# Re-link the good version
test -h $BOOT_SYMLINK && rm $BOOT_SYMLINK;
ln -s $CURRENT_VERSION current;
)
echo "Linux version updated to $CURRENT_VERSION"
umount $TMP_BOOT_DST; umount $TMP_BOOT_DST;
rmdir $TMP_BOOT_DST; rmdir $TMP_BOOT_DST;
exit 0; exit 0;