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#!/bin/sh
# This script gets called from 'scale-n-defrag.sh' script.
# Don't run this stand alone.
#
#
set -e
CP="cp"
MV="mv"
scan_dir()
{
path=$1;
find "$path" -type f -perm +01000 -exec $0 '{}' \;
}
rsync_filename()
{
path=$1
dir=$(dirname "$path");
file=$(basename "$path");
echo "$dir/.$file.zr$$";
}
relocate_file()
{
path=$1;
tmp_path=$(rsync_filename "$path");
pre_mtime=$(stat -c '%Y' "$path");
$CP -a "$path" "$tmp_path";
post_mtime=$(stat -c '%Y' "$path");
if [ $pre_mtime = $post_mtime ]; then
chmod -t "$tmp_path";
$MV "$tmp_path" "$path";
echo "file '$path' relocated"
else
echo "file '$path' modified during defrag. skipping"
rm -f "$tmp_path";
fi
}
main()
{
path="$1";
if [ -d "$path" ]; then
scan_dir "$path";
else
relocate_file "$@";
fi
usleep 500000 # 500ms
}
main "$1"
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