From 00b6ac1d1b2b26053d6b7be3e773295874afc399 Mon Sep 17 00:00:00 2001
From: Christoph <ckubu@oopen.de>
Date: Mon, 2 Apr 2018 19:36:49 +0200
Subject: [PATCH] Add script 'cleanup_from_old_files.sh'.

---
 cleanup_from_old_files.sh               | 178 ++++++++++++++++++++++++
 conf/cleanup_from_old_files.conf.sample |  20 +++
 2 files changed, 198 insertions(+)
 create mode 100755 cleanup_from_old_files.sh
 create mode 100644 conf/cleanup_from_old_files.conf.sample

diff --git a/cleanup_from_old_files.sh b/cleanup_from_old_files.sh
new file mode 100755
index 0000000..d4b9ef3
--- /dev/null
+++ b/cleanup_from_old_files.sh
@@ -0,0 +1,178 @@
+#!/usr/bin/env bash
+
+working_dir="$(dirname $(realpath $0))"
+conf_file="${working_dir}/conf/cleanup_from_old_files.conf"
+
+LOCK_DIR="/tmp/clean_trash.LOCK"
+
+
+# -------------
+# - Some functions
+# -------------
+
+clean_up() {
+
+   # Perform program exit housekeeping
+   rm -rf "$LOCK_DIR"
+   exit $1
+}
+
+echononl(){
+   if $terminal ; then
+      echo X\\c > /tmp/shprompt$$
+      if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then
+         echo -e -n "$*\\c" 1>&2
+      else
+         echo -e -n "$*" 1>&2
+      fi
+      rm /tmp/shprompt$$
+   fi
+}
+
+fatal(){
+   echo ""
+   if $terminal ; then
+      echo -e "   [ \033[31m\033[1mFatal\033[m ]: $*"
+      echo ""
+      echo -e "              \033[31m\033[1mScript was terminated\033[m!"
+   else
+      echo "   [ Fatal ]: $*"
+      echo ""
+      echo "              Script was terminated...."
+   fi
+   echo ""
+   clean_up 1
+}
+
+error (){
+   echo ""
+   if $terminal ; then
+      echo -e "   [ \033[31m\033[1mError\033[m ]: $*"
+   else
+      echo "[ Error ]: $*"
+   fi
+   echo ""
+}
+
+warn (){
+   echo ""
+   if $terminal ; then
+      echo -e "   [ \033[33m\033[1mWarning\033[m ]: $*"
+   else
+      echo "[ Warning ]: $*"
+   fi
+   echo ""
+}
+info (){
+
+   if $terminal ; then
+      echo ""
+      echo -e "   [ \033[32m\033[1mInfo\033[m ]: $*"
+      echo ""
+   fi
+}
+
+echo_done() {
+   if $terminal ; then
+      echo -e "\033[75G[ \033[32mdone\033[m ]"
+   fi
+}
+echo_failed(){
+   if $terminal && $LOGGING ; then
+      echo -e "\033[75G[ \033[1;31mfailed\033[m ]"
+   fi
+}
+echo_skipped() {
+   if $terminal && $LOGGING ; then
+      echo -e "\033[75G[ \033[33m\033[1mskipped\033[m ]"
+   fi
+}
+
+trim() {
+    local var="$*"
+    var="${var#"${var%%[![:space:]]*}"}"   # remove leading whitespace characters
+    var="${var%"${var##*[![:space:]]}"}"   # remove trailing whitespace characters
+    echo -n "$var"
+}
+
+
+# -------------
+# - Running in a terminal?
+# -------------
+
+if [[ -t 1 ]] ; then
+   terminal=true
+else
+   terminal=false
+fi
+
+
+# -------------
+# - Read Configurations from $conf_file
+# -------------
+
+if [[ ! -f "$conf_file" ]]; then
+	fatal " Configuration file '$(basename ${conf_file})' not found!"
+else
+   source "$conf_file"
+fi
+
+[[ -z "$(trim $dirs_to_cleanup)" ]] && fatal "No directory given!"
+[[ -z "$days" ]] && days=31
+
+
+# -------------
+# - Job is already running?
+# -------------
+
+# - If job already runs, stop execution..
+# -
+if mkdir "$LOCK_DIR" 2> /dev/null ; then
+
+   # - Remove lockdir when the script finishes, or when it receives a signal
+   # -
+   trap clean_up SIGHUP SIGINT SIGTERM
+
+else
+
+   datum="$(date +"%d.%m.%Y %H:%M")"
+
+   msg="   [ Error ]: A previos instance of '$(basename $0)' seems already be running.\n\n              Exiting now.."
+
+	error "A previos instance of the script '$(basename $0)' seems already be running."
+
+   exit 1
+
+fi
+
+
+traverse() {
+
+   while IFS='' read -r -d '' name ; do
+
+      [[ "$name" = ".." ]] && continue
+      [[ "$name" = "." ]] && continue
+      traverse "$name"
+
+   done  < <(find "$1" -mindepth 1 -maxdepth 1 -type d -print0)
+
+   find "$1" -mindepth 1 -maxdepth 1 -type f -mtime +${days} -exec rm -f "{}" \; > /dev/null 2>&1
+
+}
+
+for dir in $dirs_to_cleanup ; do
+   info "Delete files from directory \033[1m${dir}\033[m older than \033[1m${days}\033[m days .."
+   traverse "$dir"
+done
+
+# - Delete empty sub-directories
+# -
+if $terminal ; then
+   echo -e "\033[32m\033[1m-----\033[m"
+fi
+for dir in $dirs_to_cleanup ; do
+   info "Cleanup trash directory \033[1m${dir}\033[m from empty directories .."
+   find $dir -depth -mindepth 1 -type d -empty -delete
+done
+
+clean_up 0
diff --git a/conf/cleanup_from_old_files.conf.sample b/conf/cleanup_from_old_files.conf.sample
new file mode 100644
index 0000000..be17fcf
--- /dev/null
+++ b/conf/cleanup_from_old_files.conf.sample
@@ -0,0 +1,20 @@
+# ------------------------------------
+# - Settings for script clean_trash.sh
+# ------------------------------------
+
+# - days
+# -
+# - Files older then 'days' will be deleted.
+# -
+# - Defaults to: days=31
+# -
+#days=31
+
+# - dirs_to_cleanup
+# -
+# - Directories where files older than given days will be deleted.
+# -
+# - Example:
+# -    trash_dirs="/data/samba/transfer/.Trash /data/samba/no-backup-share/multimedia/.Trash"
+# -
+#dirs_to_cleanup=""