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|
#!/bin/bash
# A cleanup script for files published using publish(1).
# Copyright (c) 2012 Stefan Huber
#
# Permission is hereby granted, free of charge, to any person
# obtaining a copy of this software and associated documentation
# files (the "Software"), to deal in the Software without
# restriction, including without limitation the rights to use,
# copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the
# Software is furnished to do so, subject to the following
# conditions:
#
# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
# OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
# HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
# WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
set -e
test_if_ancient()
{
local d="$1"
local ttl="$2"
mtime="$(stat --format "%Y" "$d")"
tod="$(($mtime + 3600*24*$ttl))"
now="$(date +%s)"
[ "$optVerbose" -ge "2" ] && echo " Considering $d: ttl=$ttl, mod time=$mtime, time of death=$tod, now=$now"
[ "$tod" -lt "$now" ] && return 0
return 1
}
cleanit()
{
local d="$1"
local ttl="$2"
if [ -e "$d/.publish.ttl" ]; then
ttl="$(cat "$d/.publish.ttl")"
fi
if test_if_ancient "$d" "$ttl"; then
[ "$optVerbose" -ge "1" ] && echo "Purging: $d"
[ "$optDonot" = "1" ] || rm -rf "$d"
fi
return 0
}
usage()
{
cat << EOF
Usage: $0 [OPTIONS]
OPTIONS:
-h Show this message.
-n Do not actually purge directories, but show what would be done.
-v Give verbose output. Be more verbose with -vv.
EOF
}
optVerbose=0
optDonot=0
while getopts "hnv" OPTION; do
case $OPTION in
h)
usage
exit 0
;;
n)
optDonot=1
;;
v)
optVerbose=$(($optVerbose + 1))
;;
*)
usage >&2
exit 1
esac
done
ttl=128
base=""
[ -e ~/.publish-purge.cfg ] && . ~/.publish-purge.cfg
if [ -z "$base" ]; then
echo >&2 "$0: Please setup \$base in ~/.publish-purge.cfg."
exit 1
fi
if ! [ -e "$base" ]; then
echo >&2 "$0: $base does not exist or is not a directory."
exit 1
fi
cd "$base"
# We would not like to accidentily delete files in the wrong directory, hence
# the paranoia check
if ! [ -e .publish-purge.token ]; then
echo >&2 "$0: Place a .publish-purge.token in $base."
exit 1
fi
for d in *; do
cleanit "$d" "$ttl"
done
# vim:set et:
# vim:set ts=4:
# vim:set shiftwidth=4:
|
