iankelling.org Git - distro-setup/blob - mount-latest-remote

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16
  17 # usage: HOST [mount-latest-subvol args]
  18
  19 set -e; . /usr/local/lib/bash-bear; set +e
  20
  21 readonly this_file; this_file="$(readlink -f -- "${BASH_SOURCE[0]}")";
  22 script_dir=${this_file%/*}
  23
  24 if (( ! $# )); then
  25   echo "mount-latest-remote: error: a host argument"
  26   exit 1
  27 fi
  28
  29 tg="$1"
  30 shift
  31
  32 $script_dir/install-my-scripts
  33 cd /usr/local
  34
  35 ecode=0
  36
  37 # exit code run
  38 er() {
  39   local ret=0
  40   "$@" || ret=$?
  41   if (( ret )); then
  42     echo "$0: failed command: $*"
  43   fi
  44   if (( ret > ecode )); then
  45     ecode=$ret
  46   fi
  47 }
  48 rsynctg=$tg
  49 if [[ $tg == *:* ]]; then
  50   rsynctg="[$tg]"
  51 fi
  52 # R = relative, t = times, O = omit-dir-times, p = perms
  53 er rsync -RtOp bin/{mount-latest-subvol,check-subvol-stale} lib/bash-bear "root@$rsynctg:/usr/local" ||:
  54 # note: this can hang if we have an old nfs mount.
  55 er ssh root@$tg timeout -s 9 600 /usr/local/bin/mount-latest-subvol "$@"
  56
  57 exit $ecode