arch-mirror: refresh lastsync & lastupdate

1 files changed, 34 insertions, 0 deletions

diff --git a/arch-mirror b/arch-mirror
index a2d9dfb..2fa45a3 100755
--- a/arch-mirror
+++ b/arch-mirror
@@ -214,3 +214,37 @@ find "${mirror_dir}" \
   rm -f "${link_name}"
   ln -s "${link_target}" "${link_name}"
 done
+
+# refresh lastsync & lastupdate
+
+declare -A dates
+
+while read -r var date; do
+  if [ "${var}" != 'lastupdate' ] \
+  && [ "${var}" != 'lastsync' ]; then
+    continue
+  fi
+  if [ -z "${dates[${var}.min]}" ] \
+  || [ "${dates[${var}.min]}" -gt "${date}" ]; then
+    dates["${var}.min"]="${date}";
+  fi
+  if [ -z "${dates[${var}.max]}" ] \
+  || [ "${dates[${var}.max]}" -lt "${date}" ]; then
+    dates["${var}.max"]="${date}";
+  fi
+done < <(
+  find "${mirror_dir}" -maxdepth 3 \
+    -name '.*' -prune , \
+    -type f \( \
+      -name 'lastsync' -o -name 'lastupdate' \
+    \) \
+    -printf '%f ' \
+    -exec head -n1 {} \; \
+    -printf '\n' \
+  | grep -vxF ''
+)
+
+for key in "${!dates[@]}"; do
+  printf '%s\n' "${dates["${key}"]}" \
+  > "${mirror_dir}/${key}"
+done