1 files changed, 57 insertions, 0 deletions
diff --git a/etc/rotate_archives.sh b/etc/rotate_archives.sh
new file mode 100755
index 00000000..546fdf0b
--- /dev/null
+++ b/etc/rotate_archives.sh
@@ -0,0 +1,57 @@
+#!/bin/sh
+
+glob() { set +o noglob; echo ${@}; set -o noglob; };
+map() { local _ifs="${IFS}" _sep="${1}"; shift; IFS="${_sep}"; echo "${*}"; IFS="${_ifs}"; };
+rc() { echo "${@}"; "${@}"; };
+
+rotate_build() {
+	local _build_dname="${1}" _hostname="${2}" _limit="${3}";
+	local _dist_dates="";
+	for _dist_fname in $(glob			\
+			${_build_dname}/*.tar.*		\
+			${_build_dname}/*.zip		\
+			${_build_dname}/*.zip.*); do
+		if [ -e "${_dist_fname}" ]; then
+			_dist_date="${_dist_fname#*@${_hostname}-}";
+			_dist_date="${_dist_date%.tar.*}";
+			_dist_date="${_dist_date%.zip}";
+			_dist_date="${_dist_date%.zip.*}";
+			_dist_date="${_dist_date%-[0-9][0-9]-[0-9][0-9]-[0-9][0-9]}";
+			_dist_dates="${_dist_dates:+${_dist_dates} }${_dist_date}";
+		fi;
+	done;
+	if [ -n "${_dist_dates}" ]; then
+		rotate_build_dates "${_build_dname}" "${_dist_dates}" "${_limit}";
+	fi;
+};
+
+rotate_build_dates() {
+	local _build_dname="${1}" _dist_dates="${2}" _limit="${3}";
+	local _dist_dates_count="" _dist_dates_count_limit="" _dist_fname="" _nl="
+";	_dist_dates="$(map "${_nl}" ${_dist_dates} | sort | uniq)";
+	_dist_dates_count="$(echo "${_dist_dates}" | wc -l)";
+	if [ "${_dist_dates_count}" -gt "${_limit}" ]; then
+		_dist_dates_count_limit=$((${_dist_dates_count}-${_limit}));
+		_dist_dates="$(echo "${_dist_dates}" |\
+				sed -n "1,${_dist_dates_count_limit}p")";
+		for _dist_date in ${_dist_dates}; do
+			for _dist_fname in $(glob	\
+					${_build_dname}/*-${_dist_date}-*.tar.xz*); do
+				rc rm -f "${_dist_fname}";
+			done;
+		done;
+	fi;
+};
+
+rotate_builds() {
+	local _build_dnames="${1}" _limit="${2}";
+	local _hostname="$(hostname)";
+	for _build_dname in ${_build_dnames}; do
+		rotate_build "${_build_dname}" "${_hostname}" "${_limit}";
+	done;
+};
+
+set -o errexit -o noglob;
+rotate_builds "${1}" "${2:-3}";
+
+# vim:noexpandtab sw=8 ts=8