mirror of
https://github.com/Telecominfraproject/wlan-lanforge-scripts.git
synced 2025-10-30 18:27:53 +00:00
check_large_files: removes oldest Fedora kernels
This commit is contained in:
Jed Reynolds
@@ -177,32 +177,57 @@ declare -A cleaners_map=(
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)
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kernel_to_relnum() {
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#set -euxv
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local hunks=()
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#echo "KERNEL RELNUM:[$1]"
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IFS="." read -ra hunks <<< "$1"
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# 1>&2 echo "KERNEL RELNUM:[$1]"
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local my1="${1/*[^0-9+]-/}" # Dang, this is not intuitive to a PCRE user
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#1>&2 echo "KERNEL [$1] REGEX:[$my1]"
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if [[ $my1 =~ ^[^0-9] ]]; then
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1>&2 echo "BAD SERIES: [$1]"
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exit 1
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fi
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IFS="." read -ra hunks <<< "$my1"
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IFS=
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local tmpstr
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local max_width=8
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local last_len=0
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local diff_len=0
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local expandos=()
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for i in 0 1 2; do
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if (( $i < 2 )); then
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#1>&2 echo "HUNK $i: [${hunks[$i]}]"
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expandos+=( $(( 100 + ${hunks[$i]} )) )
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else
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tmpstr="0000000000000${hunks[i]}"
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tmpstr="00000000${hunks[i]}"
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last_len=$(( ${#tmpstr} - $max_width ))
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expandos+=( ${tmpstr:$last_len:${#tmpstr}} )
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#1>&2 echo "TRIMMED ${tmpstr:$last_len:${#tmpstr}}"
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fi
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done
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#local relnum="${expandos[0]}${expandos[1]}${expandos[2]}"
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echo "${expandos[0]}${expandos[1]}${expandos[2]}"
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set +x
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#1>&2 echo "EXPANDO: ${expandos[0]}${expandos[1]}${expandos[2]}"
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echo "k${expandos[0]}${expandos[1]}${expandos[2]}"
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}
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clean_old_kernels() {
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note "Cleaning old kernels..."
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echo ""
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echo ""
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note "Cleaning old CT kernels..."
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sleep 2
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local f
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for f in "${removable_packages[@]}"; do
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echo "$f\*"
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done | xargs /usr/bin/rpm -hve
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for f in "${removable_kernels[@]}"; do
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echo "r m $f"
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done
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for f in "${removable_libmod_dirs[@]}"; do
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echo "r m /lib/modules/$f"
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done
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echo ""
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echo ""
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}
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clean_core_files() {
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@@ -311,15 +336,18 @@ clean_var_tmp() {
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kernel_files=() # temp
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lib_module_dirs=() # temp
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declare -a kernel_sort_names
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declare -a pkg_sort_names
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declare -a libmod_sort_names
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removable_kernels=() # these are for CT kernels
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removable_libmod_dirs=() # these are for CT kernels
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removable_packages=() # these are for Fedora kernels
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removable_pkg_series=()
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survey_kernel_files() {
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removable_kernels=()
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removable_libmod_dirs=()
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removable_packages=()
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kernel_sort_names=()
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declare -A pkg_sort_names=()
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libmod_sort_names=()
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note "Surveying Kernel files"
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mapfile -t kernel_files < <(find /boot -maxdepth 1 -type f -a \( \
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@@ -327,7 +355,7 @@ survey_kernel_files() {
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2>/dev/null | grep -v rescue | sort)
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mapfile -t lib_module_dirs < <(find /lib/modules -mindepth 1 -maxdepth 1 -type d 2>/dev/null | sort)
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local booted=`uname -r`
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local could_remove=()
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local g
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debug "** You are running kernel $booted **"
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@@ -336,7 +364,6 @@ survey_kernel_files() {
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[[ $f =~ *.fc*.x86_64 ]] || continue
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f=${f#/boot/init*-}
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f=${f%.img}
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#f=${f%.fc*}
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if [[ $f =~ $booted ]]; then
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debug "ignoring CT kernel $f"
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@@ -360,11 +387,15 @@ survey_kernel_files() {
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f=${f#/lib/modules/}
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#f=${f%.img}
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#f=${f%.fc*}
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if [[ $f =~ $booted ]] || [[ $f =~ *.fc*.x86_64 ]]; then
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debug "Ignoring booted or Fedora module directory $f"
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if [[ $f =~ $booted ]]; then
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debug "Ignoring booted module directory $f"
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continue
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elif [[ $f = *.fc??.x86_64 ]]; then
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debug "Ignoring Fedora module directory $f"
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continue
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else
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g=$( kernel_to_relnum $f )
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# debug "f[$f] g[$g] booted [$booted]"
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debug "MODULE f[$f] g[$g] booted [$booted]"
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# removable_libmod_dirs+=($f)
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libmod_sort_names[$g]="$f"
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fi
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@@ -387,57 +418,78 @@ survey_kernel_files() {
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local pkg
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local k_pkgs=()
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local selected_k=()
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local k_series=()
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#local k_ver=()
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removable_pkg_series=()
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# need to avoid most recent fedora kernel
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if [ ! -x /usr/bin/rpm ]; then
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note "Does not appear to be an rpm system."
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return 0
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fi
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local ur=$( uname -r )
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local current_relnum=$( kernel_to_relnum $ur )
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#local current_relnum=$( kernel_to_relnum $ur )
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local kern_pkgs=( $( rpm -qa 'kernel*' | sort ) )
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local pkg
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local ser
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local zpkg
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declare -A pkg_to_ser
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for pkg in "${kern_pkgs[@]}"; do
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if [[ $pkg = kernel-tools-* ]] \
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|| [[ $pkg = kernel-headers-* ]] \
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|| [[ $pkg = kernel-devel-* ]] ; then
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continue
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fi
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if [[ $pkg =~ $booted ]]; then
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debug "avoiding current kernel [$pkg]"
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continue
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fi
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k_pkgs+=( $pkg )
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done
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for pkg in "${k_pkgs[@]}"; do
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pkg=${pkg##kernel-modules-extra-}
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pkg=${pkg##kernel-modules-}
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pkg=${pkg##kernel-core-}
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pkg=${pkg%.fc??.x86_64}
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kernel_series=$( kernel_to_relnum ${pkg##kernel-} )
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#debug "K SER: $kernel_series"
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if contains k_series $kernel_series; then
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for pkg in "${k_pkgs[@]}"; do
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zpkg="$pkg"
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zpkg=${pkg##kernel-modules-extra-}
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zpkg=${pkg##kernel-modules-}
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zpkg=${pkg##kernel-core-}
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zpkg=${pkg%.fc??.x86_64}
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if [[ $zpkg =~ $booted ]]; then
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#echo "ignoring k pkg $zpkg cuz $booted"
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continue
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elif [[ x$current_relnum = x$kernel_series ]]; then
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debug "avoiding current kernel [$kernel_series]"
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else
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k_series+=($kernel_series)
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kernel_sort_names[$kernel_series]="$pkg"
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fi
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kernel_series=$( kernel_to_relnum ${zpkg##kernel-} )
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#1>&2 echo "....... ....... Kernel series[$kernel_series]"
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pkg_to_ser[$pkg]="$kernel_series"
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pkg_sort_names[$kernel_series]=1
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done
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IFS=$'\n' k_series=($(sort <<<"${k_series[*]}" | uniq)); unset IFS
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while read ser; do
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# debug "series [$ser] pkg [${kernel_sort_names[$ser]}]"
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removable_pkgs+=("${kernel_sort_names[$ser]}")
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done < <( printf "%s\n" "${!kernel_sort_names[@]}" | sort | head -n -1)
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debug " can remove series [$ser] "
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removable_pkg_series+=($ser)
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done < <( printf "%s\n" "${!pkg_sort_names[@]}" | sort | head -n -1)
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# for ser in "${!pkg_sort_names[@]}"; do
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# debug " can remove series [$ser] "
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# #removable_pkg_series+=($ser)
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# done
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for pkg in "${k_pkgs[@]}"; do
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pkg=${pkg%.fc??.x86_64}
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ser=$( kernel_to_relnum $pkg )
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# echo " $pkg -> $ser"
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for zpkg in "${removable_pkg_series[@]}"; do
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#debug " $zser ~~ $ser ~~ $pkg"
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if (( $ser == $zpkg )); then
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# echo " removable: $ser, $zpkg >> $pkg"
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removable_packages+=($pkg)
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#else
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# echo " no"
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fi
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done
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done
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set +x
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if (( ${#selected_k[@]} < 1 )); then
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note "No kernels selected for removal"
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fi
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if (( $quiet < 1 )); then
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if (( ${#removable_pkgs[@]} > 0 )); then
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printf "Would remove packages %s\n" "${removable_pkgs[@]}"
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if (( ${#removable_packages[@]} > 0 )); then
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printf "Would remove packages %s\n" "${removable_packages[@]}"
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fi
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if (( ${#removable_kernels[@]} > 0 )); then
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printf "Would remove CT Kernels %s\n" "${removable_kernels[@]}"
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@@ -446,7 +498,7 @@ survey_kernel_files() {
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printf "Would remove CT modules %s\n" "${removable_libmod_dirs[@]}"
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fi
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fi
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}
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} # ~survey_kernel_files
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# Find core files
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core_files=()
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