1 files changed, 75 insertions, 0 deletions
diff --git a/mark-as-expendable-dir.in b/mark-as-expendable-dir.in
new file mode 100644
index 0000000..c02ae5b
--- /dev/null
+++ b/mark-as-expendable-dir.in
@@ -0,0 +1,75 @@
+#!/bin/bash
+
+set -e
+
+verwendung() {
+  >&2 echo 'mark-as-expendable-dir creates CACHEDIR.TAG and .rsync-filter files to hide directory from backups by "tar --exclude-caches" and "rsync -F".'
+  >&2 echo ''
+  >&2 echo 'Usage: mark-as-expendable-dir [OPTIONS] [DIRECTORIES]'
+  >&2 echo '  -c,--caller=caller  name of caller to put into comment of CACHEDIR.TAG'
+  >&2 echo \
+'#HELPTEXT#    #'
+  exit 1
+}
+
+eval set -- "$(getopt -o c --long caller:,help,version -n "$(basename "$0")" -- "$@" || echo verwendung)"
+
+caller="$(ps -o comm= $PPID)"
+
+while true
+do
+  case "$1" in
+    -c|--caller)
+      shift
+      caller="$1"
+    ;;
+    --help)
+      verwendung 0
+      ;;
+    --version)
+      echo '#VERSION#'
+      exit 0
+      ;;
+    --)
+      shift
+      break
+      ;;
+    *)
+      >&2 echo "FEHLER: Verstehe Option \"$1\" doch nicht! Ich beende."
+      verwendung
+      ;;
+  esac
+  shift
+done
+
+if [ $# -eq 0 ]
+then
+  >&2 echo 'No directories given - was this intented?'
+  verwendung
+fi
+
+for dir in "$@"
+do
+  if [ ! -d "${dir}" ]
+  then
+    >&2 echo "Argument '${dir}' is not a directory.'
+    verwendung
+  fi
+done
+
+for dir in "$@"
+do
+  (
+    echo -n 'Signature: '
+    echo -n '.IsCacheDirectory' | \
+      md5sum - | \
+      cut -d ' ' -f 1
+    echo '# This file is a cache directory tag created by '"$(basename "$0")"' for '"${caller}"'.'
+    echo '# For information about cache directory tags, see:'
+    echo '#      http://www.brynosaurus.com/cachedir/'
+  ) > "${dir}/CACHEDIR.TAG"
+  (
+    echo '+ .rsync-filter'
+    echo '- *'
+  ) > "${dir}/.rsync-filter"
+done