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January 5, 2021 02:09
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Michael Hoffman's crazy bash_history backer upper on git
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1 - Create a *private* GitHub/Bitbucket or similar git repo. Here I assume the repo is: | |
https://github.com/calkan/bash_history.git | |
2 - Create .history directory and initialize it for the repo: | |
mkdir $HOME/.history | |
cd $HOME/.history | |
git init | |
touch README.md | |
git add README.md | |
git commit -m "first commit" | |
git remote add origin https://github.com/calkan/bash_history.git | |
git push -u origin master | |
3 - Make it stop asking for password (no need to worry, still others can't reach it unless they have access to your .history) | |
chmod 700 $HOME/.history | |
git config credential.helper store | |
git push -u origin master | |
4 - Add the following lines to your $HOME/.bashrc - Michael's crazy BASH trick: | |
HOSTNAME="$(hostname)" HOSTNAME_SHORT="${HOSTNAME%%.*}" | |
mkdir -p ${HOME}/.history/$(date -u +%Y/%m) | |
HISTSIZE="" | |
HISTFILESIZE="" | |
HISTFILE="${HOME}/.history/$(date -u +%Y/%m/%d.%H.%M.%S)_${HOSTNAME_SHORT}_$$" | |
5 - Add GitHub support to $HOME/.bashrc below the lines written above: | |
touch $HISTFILE | |
# add HISTFILE | |
git --git-dir $HOME/.history/.git/ --work-tree $HOME/.history/ add $HISTFILE | |
# let's be paranoid and save the history frequently. This is to prevent history loss due to drops in network connection | |
PROMPT_COMMAND="history -a" | |
6 - Activate your new environment variables: | |
source $HOME/.bashrc | |
6 - Add the following lines to your $HOME/.bash_logout | |
# write history file | |
history -a | |
# pull it, just in case if you logged out of another session, git will complain: | |
git --git-dir $HOME/.history/.git/ --work-tree $HOME/.history/ pull | |
# commit & push | |
git --git-dir $HOME/.history/.git/ --work-tree $HOME/.history/ commit -am "add $HISTFILE" | |
git --git-dir $HOME/.history/.git/ --work-tree $HOME/.history/ push | |
Logging out takes a second or two while committing to GitHub. It may be a good idea to find a way to disable this for cluster jobs, not sure if .bash_logout is invoked while terminating grid jobs. |
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