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diff --git a/research/git.mdwn b/research/git.mdwn index 8bb4953..d9a62ec 100644 --- a/research/git.mdwn +++ b/research/git.mdwn @@ -2,6 +2,104 @@ Git research and development. +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) + +Further development +------------------- + * [gitly self-hosted](https://gitly.io). * [Git Large File Storage - Git Large File Storage (LFS) replaces large files such as audio samples, videos, datasets, and graphics with text pointers inside Git, while storing the file contents on a remote server like GitHub.com or GitHub Enterprise.](https://git-lfs.github.com/) / [#792075 - ITP: git-lfs -- Git Large File Support. An open source Git extension for versioning large files - Debian Bug report logs](https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=792075). * signed commits: |