host info updates

[distro-setup] / unsaved-buffers

diff --git a/unsaved-buffers b/unsaved-buffers
index 095f3ad94492c2c42cb809e25482e2d90c0bbddf..2aa7339b6c2876615604ff57ab4c6a29de586bc7 100644 (file)
--- a/unsaved-buffers
+++ b/unsaved-buffers
@@ -1,10 +1,31 @@
 #!/bin/bash
+# I, Ian Kelling, follow the GNU license recommendations at
+# https://www.gnu.org/licenses/license-recommendations.en.html. They
+# recommend that small programs, < 300 lines, be licensed under the
+# Apache License 2.0. This file contains or is part of one or more small
+# programs. If a small program grows beyond 300 lines, I plan to switch
+# its license to GPL.
+
+# Copyright 2024 Ian Kelling
+
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+
+#     http://www.apache.org/licenses/LICENSE-2.0
+
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
 shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
 set -eE -o pipefail
 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
 if pgrep -G iank -u iank -f '^emacs --daemon$' &>/dev/null; then
   elisp=$(cat /usr/local/bin/unsaved-buffers.el)
-  emacsout=$(sudo -u iank env XDG_RUNTIME_DIR=/run/user/1000 emacsclient --eval "$elisp")
+  emacsout=$(sudo -u iank env XDG_RUNTIME_DIR=/run/user/1000 emacsclient --eval "$elisp" ||:)
   bufs=$(printf "%s\n" "$emacsout"|sed '/^"nil"$/d;s/^"(/E: /;s/)"$//')
   if [[ $bufs ]]; then
     echo "error: on $HOSTNAME, unsaved emacs files: $bufs" >&2