elisboa / linux-time-machine.sh

A very, very simple time machine for Linux written in shell script that uses cron and git

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linux-time-machine.sh

A very, very simple time machine for Linux written in shell script that uses cron and git. This application is used to version your entire home directory using days as branches and minutely commits.

Running

All you have to do is run manually:

./tmgit.sh

If you want to use a custom directory, other than your $HOME, run this instead:

./tmgit.sh my_custom_dir

You can use an argument to version all the files of a given dir. To do so, just run like this:

./tmgit.sh my_custom_dir version-all

Currently the following arguments are supported:

  • push-remote — pushes your local git repository to all your configured remote repositories
  • version-all — automatically adds every single file on the specified dir before versioning. This is useful if you have a /etc or a docs/ dir which you want do save everything
  • mirror-mode — instead of version your current changes, it goes back in time and resets last valid branch. You can pass a custom branch or a (part of a) commit hash too. This feature is available only on dev brach actually

PS: the custom_dir MUST BE the first argument. By default, it uses your $HOME dir if no custom_dir is specified.

Scheduling with cron

If you must, you should edit your crontab to add the script, so you can run it automatically:

** ** ** ** ** /home/elisboa/.scripts/tmgit.sh >& /tmp/tmgit.sh.log

Adding files to your repository

You can use add-file argument to automatically add files or folders, like this:

./tmgit.sh add-file file_or_folder

It will automatically check if the following argument is a file or a folder.

But ou can also must manually (and forcibly) add files or folders to you tmgit repository:

alias tmgit='git --git-dir $HOME/.tmgit/.git --work-tree=\$HOME'
tmgit add -f my_file
tmgit add -f my_folder

Removing files

Now you can use del-file argument to automatically delete files or folders, like this:

./tmgit.sh add-file file_or_folder

It will automatically check if the following argument is a file or a folder. Note that this will only remove the file or folder from your tmgit repository, not from the disc.

Otherwise, you can manually remove:

alias tmgit='git --git-dir $HOME/.tmgit/.git --work-tree=\$HOME'
tmgit rm -f --cached -r my_file

It will not remove the dir or file from disk, only from your tmgit repository :)

PS: Both options add-file and del-file do not support regular expressions yet :-(

Background story

Detailed explanation:

As seen here, this project aims to automatically version control files in your home directory using an aliased git and a customized workdir to store your git settings.

A very simplified project's resume: basically the tmgit repository is built using these commands:

mkdir -pv $HOME/.tmgit
cd $HOME/.tmgit
git init .
echo "*" > .gitignore
git add -f .gitignore
git commit -m "gitignore"
alias tmgit='git --git-dir $HOME/.tmgit/.git --work-tree=\$HOME'
cd ~
tmgit status

You now have a customized git repository pointing to your $HOME directory. However, as seen above, it ignores ALL files on your home directory, so you don't add anything by accident. You will only version what you explictitly add.

You can create and add a file to test it:

alias tmgit='git --git-dir $HOME/.tmgit/.git --work-tree=\$HOME'
echo "this is a silly test" > $HOME/tmgit_test_file
tmgit add -f $HOME/tmgit_test_file
tmgit commit -m "Added $HOME/tmgit_test_file"

Logging

Monitor log files:

tail -f /tmp/tmgit*log

Contact

Report your bugs by creating an issue or post me a pull-request with bugfixes.

Questions

Do you have more questions? Check our Wiki out!

About

A very, very simple time machine for Linux written in shell script that uses cron and git

License:GNU General Public License v3.0


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