X-Git-Url: https://iankelling.org/git/?a=blobdiff_plain;f=btrbk-run;h=93e8dab79322bbbe8e4bea0fb14419718512e4e7;hb=c91604aff2ce49bd4ce9b429b9e738286a319923;hp=79ace6a17341d16ee3be575b5f03c8aa2afb0fde;hpb=e0ade087fcd4e1942aa5ade8183af59b3190b651;p=distro-setup

diff --git a/btrbk-run b/btrbk-run
index 79ace6a..93e8dab 100644
--- a/btrbk-run
+++ b/btrbk-run
@@ -1,17 +1,22 @@
 #!/bin/bash
-# Copyright (C) 2016 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
+# Configure & run btrbk & related work on Ian's computers.
+# Copyright (C) 2024  Ian Kelling
 
-#     http://www.apache.org/licenses/LICENSE-2.0
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
 
-# 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.
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# SPDX-License-Identifier: GPL-3.0-or-later
 
 
 # todo: if we cancel in the middle of a btrfs send, then run again
@@ -23,6 +28,7 @@
 [[ $EUID == 0 ]] || exec sudo -E "${BASH_SOURCE[0]}" "$@"
 
 set -e; . /usr/local/lib/bash-bear; set +e
+shopt -s nullglob
 
 usage() {
   cat <<'EOF'
@@ -489,7 +495,7 @@ if $verbose; then
   if [[ $cmd_arg != run ]]; then
     opts_show+=(cmd_arg=$cmd_arg)
   fi
-  if (( $opts_show >= 1 )); then
+  if (( ${#opts_show[@]} >= 1 )); then
     first=true
     for opt in ${opts_show[@]}; do
       if $first; then
@@ -536,7 +542,10 @@ if ! $pull_reexec && [[ $source ]] && $pulla ; then
   fi
 fi
 
-
+# todo: check if we have no snapshots yet, because I always want to run
+# archive instead of run. Likely, I should give an error unless a cli
+# override is passed. perhaps check-subvol-stale could give the error.
+# see the error message "no snapshots found" in that file.
 if ! $fast; then
   # if our mountpoints are from stale snapshots,
   # it doesn't make sense to do a backup.