From cf8597ed38c808f717db86a42689c0b483b8487a Mon Sep 17 00:00:00 2001
From: Erich Eckner <git@eckner.net>
Date: Fri, 8 Nov 2019 07:54:21 +0100
Subject: update-all.in: give summary report at the end

---
 update-all.in | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 54 insertions(+), 4 deletions(-)

(limited to 'update-all.in')

diff --git a/update-all.in b/update-all.in
index 9136058..7074c42 100644
--- a/update-all.in
+++ b/update-all.in
@@ -5,8 +5,8 @@
 
 . #ETCDIR#/update-all.conf
 
-for system in "${systems[@]}"
-do
+if [ "$#" -eq 2 ]; then
+  system="${systems["$1"]}"
   if [ "${system}" == "localhost" ]
   then
     cmd=""
@@ -14,9 +14,59 @@ do
     cmd="ssh -t -t ${system}"
   fi
   cmd="${cmd} update-me"
+  ${cmd}
+  err=$?
+  if [ "${err}" -ne 0 ] \
+  && [ -d "$2" ]; then
+    printf '%s\n' "$?" > "$2/$1"
+  fi
+  exit ${err}
+fi
+
+if [ "$#" -ne 0 ]; then
+  >&2 printf 'usage:\n'
+  >&2 printf '  %s\n' "${0##*/}"
+  >&2 printf '  %s $id $tmpdir\n' "${0##*/}"
+  exit 1
+fi
+
+tmp_dir=$(mktemp -d)
+trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT
+
+pids=()
+
+for system in "${!systems[@]}"; do
   if [ -z "${DISPLAY}" ]; then
-    screen -S update-all -d -m ${cmd}
+    screen -S update-all -d -m "'$0' '${system}' '${tmp_dir}'"
   else
-    urxvt -title "${system}: update-me" -e ${cmd} &
+    urxvt -title "${systems["${system}"]}: update-me" -e "'$0' '${system}' '${tmp_dir}'" &
+    pids+=($!)
   fi
 done
+
+if [ -z "${DISPLAY}" ]; then
+  pids=$(
+    screen -list \
+    | sed '
+      s/^\s\+\([0-9]\+\)\.update-all\s.*$/\1/
+      t
+      d
+    '
+  )
+fi
+
+while kill -0 "${pids[@]}"; do
+  sleep 1
+done
+
+ls "${tmp_dir}" \
+| while read -r system; do
+  printf 'update-me on %s ("%s") failed\n' \
+    "${system}" \
+    "${systems["${system}"]}"
+done
+
+exit $(
+  ls "${tmp_dir}" \
+  | wc -l
+)
-- 
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