From ed54b7b90163424c1e0b18f32edbe3f4fa540158 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Lucio=20Andr=C3=A9s=20Illanes=20Albornoz=20=28arab=2C=20vx?=
 =?UTF-8?q?p=29?= <lucio@lucioillanes.de>
Date: Tue, 27 Feb 2018 21:40:07 +0000
Subject: rotate_tarballs.sh: added to repository for convenience.

---
 rotate_tarballs.sh | 55 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 55 insertions(+)
 create mode 100755 rotate_tarballs.sh

(limited to 'rotate_tarballs.sh')

diff --git a/rotate_tarballs.sh b/rotate_tarballs.sh
new file mode 100755
index 00000000..f0b81818
--- /dev/null
+++ b/rotate_tarballs.sh
@@ -0,0 +1,55 @@
+#!/bin/sh
+#
+set -o errexit -o noglob;
+
+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.xz	\
+			${_build_dname}/*.tar.xz.asc); do
+		if [ -e "${_dist_fname}" ]; then
+			_dist_date="${_dist_fname#*@${_hostname}-}";
+			_dist_date="${_dist_date%.tar.xz*}";
+			_dist_date="${_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;
+};
+
+rotate_builds "${1}" "${2:-3}";
+
+# vim:filetype=sh noexpandtab sw=8 ts=8 
-- 
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