mirror of
https://github.com/sobolevn/git-secret
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74 lines
4.5 KiB
Markdown
74 lines
4.5 KiB
Markdown
## Usage
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These steps cover the basic process of using `git-secret`:
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0. Before starting, make sure you have created `gpg` RSA key-pair: public and secret key identified by your email address.
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1. Begin with an existing or new git repository. You'll use the 'git secret' commands to add the keyrings and information
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to make the git-secret hide and reveal files in this repository.
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2. Initialize the `git-secret` repository by running `git secret init` command. the `.gitsecret/` folder will be created,
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**Note** all the contents of the `.gitsecret/` folder should be checked in, /except/ the `random_seed` file.
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In other words, of the files in .gitsecret, only the random_seed file should be mentioned in your .gitignore file.
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3. Add the first user to the git-secret repo keyring by running `git secret tell your@gpg.email`.
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4. Now it's time to add files you wish to encrypt inside the `git-secret` repository.
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It can be done by running `git secret add <filenames...>` command. Make sure these files are ignored by mentions in
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.gitignore, otherwise `git-secret` won't allow you to add them, as these files could be stored unencrypted.
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5. When done, run `git secret hide` to encrypt all files which you have added by the `git secret add` command.
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The data will be encrypted with the public-keys described by the `git secret tell` command.
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After using `git secret hide` to encrypt your data, it is safe to commit your changes.
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**NOTE:**. It's recommended to add `git secret hide` command to your `pre-commit` hook, so you won't miss any changes.
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6. Later you can decrypt files with the `git secret reveal` command, or just show their contents to stdout with the
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`git secret cat` command. If you used a password on your GPG key (always recommended), it will ask you for your password.
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And you're done!
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### I want to add someone to the repository
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1. Get their `gpg` public-key. **You won't need their secret key.**
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2. Import this key into your `gpg` setup (in ~/.gnupg or similar) by running `gpg --import KEY_NAME.txt`
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3. Now add this person to your secrets repo by running `git secret tell persons@email.id`
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(this will be the email address assocated with the public key)
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4. The newly added user cannot yet read the encrypted files. Now, re-encrypt the files using
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`git secret reveal; git secret hide -d`, and then commit and push the newly encrypted files.
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(The -d options deletes the unencrypted file after re-encrypting it).
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Now the newly added user be able to decrypt the files in the repo using `git-secret`.
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Note that it is possible to add yourself to the git-secret repo without decrypting existing files.
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It will be possible to decrypt them after reencrypting them with the new keyring. So, if you don't
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want unexpected keys added, you can configure some server-side security policy with the `pre-receive` hook.
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## Configuration
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You can configure the version of gpg used, or the extension your encrypted files use, to suit your workflow better.
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To do so, just set the required variable to the value you need.
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This can be done in your shell environment file or with each `git-secret` command.
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The settings available to be changed are:
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* `$SECRETS_GPG_COMMAND` - sets the `gpg` alternatives, defaults to `gpg`.
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It can be changed to `gpg`, `gpg2`, `pgp`, `/usr/local/gpg` or any other value.
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After doing so rerun the tests to be sure that it won't break anything. Tested to be working with: `gpg`, `gpg2`.
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* `$SECRETS_EXTENSION` - sets the secret files extension, defaults to `.secret`. It can be changed to any valid file extension.
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## Internals -- the `.gitsecret` folder
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This folder contains all the information about the data encrypted in this repo,
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and about which public/private key sets can access the encrypted data.
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Use the various 'git secret' commands to manipulate the files in `.gitsecret`,
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you should not change the data in these files directly.
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The git-secret internal data is separated into two directories:
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### `.gitsecret/paths`
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This directory currently contains only the file `mapping.cfg`, which lists all the files your storing encrypted.
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In other words, the path mappings: what files are tracked to be hidden and revealed.
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All the other internal data is stored in the directory:
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### `.gitsecret/keys`
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This directory contains data used by git-secret and PGP to allow and maintain the correct encyption and access rights for the permitted parties.
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Generally speaking, all the files in this directory *except* `random_seed` should be checked into your repo.
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By default, `git secret init` will add the file `.gitsecret/keys/random_seed` to your .gitignore file.
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