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# Function to do all of the temporary dir/file migration work
#
_clean_tmpdirs()
{
#
# Usage: _clean_tmpdirs [-v] new_dir old_dir ...
#
# Move temporary directories (which may be actively in use as
# with pmdammv files) from one temporary directory to another
# so as to transparently upgrade without loss of service.
#
# -v option is verbose mode for debugging
#
_verbose=false
if [ $# -gt 0 -a X"$1" = "X-v" ]
then
_verbose=true
shift
fi
if [ $# -lt 2 ]
then
echo >&2 "Usage: _clean_tmpdirs [-v] new_dir old_dir subdirs ..."
return
fi
_new_tmp_dir="$1"
_old_tmp_dir="$2"
[ "$_new_tmp_dir" != "$old_tmp_dir" ] || return
for _subdir
do
d="$_old_tmp_dir/$_subdir"
test -d "$d" -a -k "$d" || continue
cd "$d" || continue
for f in * ; do
[ "$f" != "*" ] || continue
source="$d/$f"
target="$_new_tmp_dir/$_subdir/$f"
[ "$source" != "$target" ] || continue
[ ! -f "$target" ] || continue
$_verbose && echo + mv -fu "$source" "$target"
mv -fu "$source" "$target" || true
done
$_verbose && echo + rmdir "$d"
cd && rmdir "$d" 2>/dev/null || true
done
}
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