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adds --quiet option for non-verbose cronjob run

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I run this script daily via a cronjob. It generates a daily mail with the information "No kernels are eligible for removal". This patch adds an optional --quiet parameter to hide this message.
This commit is contained in:
Jan Vonde 2017-03-14 09:48:40 +01:00 • committed by GitHub
commit 678dd9ebcc
1 changed files with 14 additions and 2 deletions
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16
usr/bin/purge-old-kernels
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@ -28,10 +28,18 @@ fi
# NOTE: This script will ALWAYS keep the currently running kernel # NOTE: This script will ALWAYS keep the currently running kernel
# NOTE: Default is to keep 2 more, user overrides with --keep N # NOTE: Default is to keep 2 more, user overrides with --keep N
KEEP=2 KEEP=2
# NOTE: This script will give a hint if no kernels are eligible for removal
# NOTE: You can disable this with the --quit parameter
QUIET=0
# NOTE: Any unrecognized option will be passed straight through to apt # NOTE: Any unrecognized option will be passed straight through to apt
APT_OPTS= APT_OPTS=
while [ ! -z "$1" ]; do while [ ! -z "$1" ]; do
case "$1" in case "$1" in
--quiet)
# No hint on no kernels for removal, better for cronjobs
QUIET=1
shift 1
;;
--keep) --keep)
# User specified the number of kernels to keep # User specified the number of kernels to keep
KEEP="$2" KEEP="$2"
@ -61,8 +69,12 @@ for v in $VERSIONS; do
done done
if [ -z "$PURGE" ]; then if [ -z "$PURGE" ]; then
echo "No kernels are eligible for removal" if [ "${QUIET}" -ne "1" ]; then
exit 0 echo "No kernels are eligible for removal"
exit 0
else
exit 0
fi
fi fi
# Use apt-get, rather than apt, for compatibility with precise/trusty # Use apt-get, rather than apt, for compatibility with precise/trusty