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#!/bin/bash
# A simple Bash script to delete an media from the Nginx cache.
SCRIPTNAME=${0##*/}
# NGINX cache directory
CACHE_DIRECTORY="/tmp/pleroma-media-cache"
function get_cache_files() {
local max_parallel=${3-16}
find $2 -maxdepth 1 -type d | xargs -P $max_parallel -n 1 grep -ERl "^KEY:.*$1" | sort -u
}
function purge_item() {
local cache_files
cache_files=$(get_cache_files "$1" "$2")
if [ -n "$cache_files" ]; then
for i in $cache_files; do
[ -f $i ] || continue
echo "Deleting $i from $2."
rm $i
done
else
echo "$1 is not cached."
fi
}
function purge() {
for url in "$@"
do
echo "$SCRIPTNAME delete $url from cache ($CACHE_DIRECTORY)"
purge_item $url $CACHE_DIRECTORY
done
}
purge $1
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