From 423d088191e509adb7164c4dc48aac764fe158b5 Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Fri, 24 May 2019 14:26:38 +0200
Subject: bin/sanity-check: add check for reachability of master mirror

---
 bin/sanity-check | 29 ++++++++++++++++++++++++++++-
 1 file changed, 28 insertions(+), 1 deletion(-)

diff --git a/bin/sanity-check b/bin/sanity-check
index df0b43c..df273fa 100755
--- a/bin/sanity-check
+++ b/bin/sanity-check
@@ -128,13 +128,40 @@ touch "${tmp_dir}/messages"
 trap 'finish' EXIT
 
 if [ $# -eq 0 ]; then
-  set -- git-repositories build-list mysql repos package-database track-state
+  set -- git-repositories build-list mysql master-mirror-availability repos package-database track-state
 fi
 
 while [ $# -gt 0 ]; do
 
   case "$1" in
 
+    master-mirror-availability)
+
+      for host in $(
+        printf '%s\n' \
+          "${master_mirror_sftp_command}" \
+          "${master_mirror_rsync_directory}" | \
+          sed '
+            s,^.*@\([^:/@]\+\)\([:/].*\)\?$,\1,
+            t
+            d
+          ' | \
+          sort -u
+      ); do
+        if ! ping -c1 "${host}" >/dev/null 2>&1; then
+          if [ ${silence} -le 1 ]; then
+            printf '\nThe master mirror %s cannot be reached.\n' \
+              "${host}" | \
+              tee -a "${tmp_dir}/messages" >&2
+          fi
+          i_am_insane
+          # if the master mirror cannot be reached, further tests do not make any sense
+          set --
+        fi
+      done
+
+    ;;
+
     git-repositories)
 
       [ ${silence} -gt 0 ] || \
-- 
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