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author | Nicholas Marriott <nicholas.marriott@gmail.com> | 2011-04-17 19:36:35 +0000 |
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committer | Nicholas Marriott <nicholas.marriott@gmail.com> | 2011-04-17 19:36:35 +0000 |
commit | 2c0846569d1eb1e095892312f84c8ece0d8d1bd7 (patch) | |
tree | 7034833bc9de91a2ed5449798eca9c383e13fc81 /examples | |
parent | afbbdff581b32569862ef191b4f5ec78a30fc6a7 (diff) |
Window content backup script from Victor J Orlikowski.
Diffstat (limited to 'examples')
-rw-r--r-- | examples/tmux_backup.sh | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/examples/tmux_backup.sh b/examples/tmux_backup.sh new file mode 100644 index 00000000..bc0bf370 --- /dev/null +++ b/examples/tmux_backup.sh @@ -0,0 +1,81 @@ +#!/bin/bash +# +# By Victor Orlikowski. Public domain. +# +# This script maintains snapshots of each pane's +# history buffer, for each tmux session you are running. +# +# It is intended to be run by cron, on whatever interval works +# for you. + +# Maximum number of snapshots to keep. +max_backups=12 +# Names of sessions you may wish to exclude from snapshotting, +# space separated. +ignore_sessions="" +# The directory into which you want your snapshots placed. +# The default is probably "good enough." +backup_dir=~/.tmux_backup/snapshot + +######################################################################## + +# Rotate previous backups. +i=${max_backups} +while [[ ${i} != 0 ]] ; do +if [ -d ${backup_dir}.${i} ] ; then + if [[ ${i} = ${max_backups} ]] ; then + rm -r ${backup_dir}.${i} + else + mv ${backup_dir}.${i} ${backup_dir}.$((${i}+1)) + fi +fi +i=$((${i}-1)) +done + +if [ -d ${backup_dir} ] ; then + mv ${backup_dir} ${backup_dir}.1 +fi + +## Dump hardcopy from all windows in all available tmux sessions. +unset TMUX +for session in $(tmux list-sessions | cut -d' ' -f1 | sed -e 's/:$//') ; do + for ignore_session in ${ignore_sessions} ; do + if [ ${session} = ${ignore_session} ] ; then + continue 2 + fi + done + + # Session name can contain the colon character (":"). + # This can screw up addressing of windows within tmux, since + # target windows are specified as target-session:target-window. + # + # We use uuidgen to create a "safe" temporary session name, + # which we then use to create a "detached" session that "links" + # to the "real" session that we want to back up. + tmpsession=$(uuidgen) + tmux new-session -d -s "$tmpsession" -t "$session" + HISTSIZE=$(tmux show-options -g -t "$tmpsession" | grep "history-limit" | awk '{print $2}') + for win in $(tmux list-windows -t "$tmpsession" | grep -v "^\s" | cut -d' ' -f1 | sed -e 's/:$//'); do + session_dir=$(echo "$session" | sed -e 's/ /_/g' | sed -e 's%/%|%g') + win_spec="$tmpsession":"$win" + + if [ ! -d ${backup_dir}/${session_dir}/${win} ] ; then + mkdir -p ${backup_dir}/${session_dir}/${win} + fi + + for pane in $(tmux list-panes -t "$win_spec" | cut -d' ' -f1 | sed -e 's/:$//'); do + pane_path=${backup_dir}/${session_dir}/${win}/${pane} + pane_spec="$win_spec"."$pane" + + tmux capture-pane -t "$pane_spec" -S -${HISTSIZE} + tmux save-buffer ${pane_path} + + if [ ! -s ${pane_path} ] ; then + sleep 1 + rm ${pane_path} + fi + done + done + tmux kill-session -t "$tmpsession" + +done |