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Barebones shared git repositories
---------------------------------
No gitolite, gitosis, gitlab or whatever involded. Only OpenSSH and git is needed.
### Basic config
If needed, create a host instance for your git server at your `~/.ssh/config`:
Host git.project.org gitserver
HostName git.project.org
Now make sure you can log into the server using key-based auth.
### Server config
sudo apt install git
sudo adduser git --home /var/git
sudo mkdir /var/git/repositories
sudo chown git. /var/git/repositories
sudo chmod 775 /var/git/repositories
sudo usermod -a -G git `whoami` # add yourself into the git group
### Creating a repository
At your computer:
repo="name-your-project-here"
mkdir $repo
cd $repo
git init
git remote add origin ssh://gitserver/var/git/repositories/$repo.git
Then do your regular stuff: create files, commit stuff, etc:
touch test
git add .
git commit -m "Initial import"
### Copy a bare git repo to the server
cd ..
git clone --bare $repo $repo.git
scp -r $repo.git gitserver:/var/git/repositories/$repo.git
### Making the repository shareable
In the server:
sudo chgrp -R git /var/git/repositories/$repo.git
sudo chmod 775 /var/git/repositories/$repo.git
find /var/git/repositories/$repo.git/ -type f -exec sudo chmod 664 {} \;
find /var/git/repositories/$repo.git/ -type d -exec sudo chmod 775 {} \;
Now make sure that the repository configuration has the following option at the `core` section:
sharedRepository = group
You can edit `/var/git/repositories/$repo.git/config` to add this config or just run
the following commands:
git -C /var/git/repositories/$repo.git config core.sharedRepository group
### Daily workflow
From now on, you can work at your computer's local `$repo` as usual:
cd $repo
git pull
touch another-test
git add .
git commit -m "Adds another-test"
git push # this sends changes back to your git server
### Adding more users into the game
You can add existing users to edit the repository given that:
* They have accounts in the system.
* They are added into the `git` group.
If they also use key-based auth they can seamlessly contribute to your repository
as if you were using a more complex repository manager like gitolite or a service
like gitlab.
You can even try to implement some more complex access control by using different
groups for each project so you're not bound to the `git` group.
### References
- [How to make bare git repository group-writable after pushing?](http://stackoverflow.com/questions/15881104/how-to-make-bare-git-repository-group-writable-after-pushing).
- [Create Git bare / shared remote repository](http://pietervogelaar.nl/create-git-bare-shared-remote-repository/).
- [How to clone and share a Git repository over SSH](http://linuxaria.com/pills/how-to-clone-and-share-a-git-repository-over-ssh?lang=en)
- [Git - Getting Git on a Server](https://git-scm.com/book/en/v2/Git-on-the-Server-Getting-Git-on-a-Server).
- [Git - Setting Up the Server](https://git-scm.com/book/en/v2/Git-on-the-Server-Setting-Up-the-Server).
- The [utils-git](https://git.fluxo.info/utils-git/about/) repository for useful scripts and plugins.