bin/ii-watch: check for connectivity periodically and reconnect if connection seems lost

1 files changed, 31 insertions, 0 deletions

diff --git a/bin/ii-watch b/bin/ii-watch
index 0987656..ae1ab94 100755
--- a/bin/ii-watch
+++ b/bin/ii-watch
@@ -9,9 +9,22 @@ checksum=$(
   calculate_script_checksum
 )
 
+next_connection_check=0
+last_seen=0
+
 while pgrep -x 'ii' >/dev/null && \
   [ "$(calculate_script_checksum)" = "${checksum}" ]; do
   # this avoids missing modifications during our last execution
+  if [ "$(date +%s)" -ge ${next_connection_check} ]; then
+    # request this more often on startup
+    if [ ${last_seen} -ne 0 ]; then
+      next_connection_check=$((
+        $(date +%s) + 60*5
+      ))
+    fi
+    echo '/NAMES #archlinux32' \
+    | sponge "${irc_dir}/in"
+  fi
   if [ -z "${said}" ]; then
     # shellcheck disable=SC2046
     inotifywait -t 30 -e 'CLOSE_WRITE,CLOSE' -e 'CREATE,ISDIR' $(
@@ -24,4 +37,22 @@ while pgrep -x 'ii' >/dev/null && \
   said=$(
     "${base_dir}/bin/ii-answer"
   )
+  # When was the buildmaster seen the last time?
+  last_seen=$(
+    {
+      echo 0
+      sed '
+        s/^\([0-9]\+\) = #archlinux32\( \S\+\)* buildmaster\( \S\+\)*$/\1/
+        t
+        d
+      ' "${irc_dir}/out"
+    } \
+    | sort -n \
+    | tail -n1
+  )
+  # more than 10 minutes ago
+  if [ $((last_seen + 60*10)) -lt "$(date +%s)" ]; then
+    # reconnect!
+    systemctl restart ii
+  fi
 done