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remove-old-kernels: Better show to user what is happing

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Also show what is not deleted and why. So user see decision about all the
kernels in the system.

Signed-off-by: Vitaly Chikunov <vt@altlinux.org>
This commit is contained in:
Виталий Чикунов 2022-06-26 07:05:52 +03:00
parent 27e4f75969
commit 7d47e9beb8
1 changed files with 26 additions and 12 deletions
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38
remove-old-kernels
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@ -85,13 +85,15 @@ else
V() { "$@"; }
fi
cr=$'\n'
uname_r=$(uname -r)
# get running kernel version
current_kernel_package=$(rpmquery -qf "/lib/modules/$uname_r/kernel" 2>/dev/null)
if [ -n "$current_kernel_package" ] ; then
current_kernel_pkgname=$(rpmquery --queryformat "%{NAME}-%{VERSION}-%{RELEASE}\n" -q "$current_kernel_package")
echo "Running kernel package: $current_kernel_pkgname (keeping)"
echo "Currently booted kernel package: $current_kernel_pkgname"
unset current_kernel_pkgname
else
echo "Running kernel version: $uname_r (package not found)"
@ -107,20 +109,32 @@ else
flavours="${kernel_flavour:-$current_kernel_flavour}"
fi
echo "For removing:"
# Sort the kernels
keep_kernels=
for kernel_flavour in $flavours; do
# rpmevrcmp is not needed since we don't output epoch
# Output all kernels, sort by a version, skip last (highest version) one,
# then filter out kernels we want to keep (like booted one).
old_kernels="$(rpm -qa "kernel-image-$kernel_flavour" | sort -V | head -n-1)"
for kernel in $old_kernels; do
[ "$kernel" = "$current_kernel_package" ] && continue
echo " $kernel"
apt_args_list="$apt_args_list $(rpm -q --queryformat '%{NAME}=%{EPOCH}:%{VERSION}-%{RELEASE}\n' "$kernel" \
| sed -e "s,(none):,,g")"
all_kernels="$(rpm -qa "kernel-image-$kernel_flavour" | sort -V)"
newest_kernel=$(echo "$all_kernels" | tail -1)
for kernel in $all_kernels; do
reason=
if [ "$kernel" = "$newest_kernel" ]; then
reason="$reason,latest for $kernel_flavour"
fi
if [ "$kernel" = "$current_kernel_package" ]; then
reason="$reason,currently booted"
fi
if [ -n "$reason" ]; then
keep_kernels="$keep_kernels $kernel (${reason#,})$cr"
else
remove_kernels="$remove_kernels $kernel$cr"
apt_args_list="$apt_args_list $(rpm -q --queryformat '%{NAME}=%{EPOCH}:%{VERSION}-%{RELEASE}\n' "$kernel" \
| sed -e "s,(none):,,g")"
fi
done
done
echo
echo "Not removing these kernels (reason why keeping):"
echo "$keep_kernels"
echo "Removing these kernels:"
echo "$remove_kernels"
if [ -z "$apt_args_list" ] ; then
echo "Nothing to remove."