This is the repository of the openSUSE artwork team. While a version control system such as git may seem daunting, it is by far the best option for collaborative authoring. GitHub is also relatively easy to use.
All content in is licensed under CC-BY-SA 3.0 unless otherwise stated.
If you would like to modify or add material to our repository, you need to do the following things first:
- register an account on GitHub, if you don't already have one
- install git (as root or use sudo, zypper install git), if you don't have it already
- See the GitHub help to set up your account and get an SSH key in there.
- ask email@example.com to add your user account to the team on github, which will give you write access to the repo.
- run the following commands in your ordinary user shell:
- git config --global user.email "my.email@address" (obviously with your real email address ;))
- git config --global user.name "John Doe" (again, with your real name)
- pick some directory where you'll want the files to reside, e.g. ~/Documents and go there in your shell, e.g. cd ~/Documents
- retrieve the repository with the following command as user: git clone firstname.lastname@example.org:openSUSE/artwork.git (which will create a subdirectory "artwork")
In order to pull the latest changes that have been stored in the repository, use the following command:
That will download the latest version of everything that is in the repository on github, and store it on your disk.
Of course, that command needs to be ran from a shell while being in your local artwork directory (e.g. ~/Documents/artwork)
When you create a new file or directory, you have to tell git that you would like to add it to the repository first, using the following command:
git add filename
(where you replace filename with the actual name of the file or directory you want to add).
Note that adding a file does not upload it to the repository yet, it merely instructs git that you want to put it under version control.
When you change files and you would like to store their state in the repository (e.g. when you think it's good enough to be used by others), use the following command:
git commit -m "some comment about the change I just made" filename
Please use meaningful comments (what's after -m) as that will help everyone to keep track of the changes that were made. Also, make sure to put the comment into quotes (between "") or the shell will interpret it as several parameters for the git command, which it isn't.
You can also commit changes of several files at once, which is the preferred approach when the changes do apply to several files (e.g. you just changed the color palette on a dozen Inkscape files): that way, your changes will show up as one "action" in the history of the repository.
To do so, just pass several filenames to the git commit command, like this:
git commit -m "changed palette to the right colors" filename1 filename2 filename3
You can also commit all the changes to all the files in your local copy of the repository, by using the -a switch, like this:
git commit -m "changed palette to Bento colors" -a
When you commit changes, git will only store them in your local repository on your hard disk, and not to the artwork repository on github, which means that no one else will be able to see your changes.
git works that way because you may choose to make changes locally, on your hard disk, and keep track of those changes to be able to revert to a previous version, without necessarily pushing those changes to all the other people who work on the repository just yet.
Once you want to share your changes with everyone else, you must "push" those changes to the repository, with the following command:
Note that the very first time you will do a git push, you will have to use this command: git push origin master
From then on, you will only need to use git push
Furthermore, when you want to push your changes to github, it is possible that someone else already pushed other changes there. git will tell you see when that happened, and you will just need to make a git pull before the git push
Note Dolphin, KDE's file manager, has git support. The actions described above can be done quite easily from there. Configure Dolphin and under Services you can enable Git support. It will then automatically detect git folders and let you add files you changed, make commits and push and pull changes.
With the command git status, you can see whether you have files on your hard disk that have changes (or new files, or deleted files) that have not been committed yet.
would output something like this:
# On branch master # Changed but not updated: # (use "git add <file>..." to update what will be committed) # (use "git checkout -- <file>..." to discard changes in working directory) # # modified: git-mini-howto.txt # no changes added to commit (use "git add" and/or "git commit -a")
The output above means that the file git-mini-howto.txt is locally modified: you have made changes to that file, but those changes are not committed (yet).
If you want to delete a file from the repository, use git rm instead of removing it as you would normally do (using rm filename or your favourite file browser), like this:
git rm filename
Removing a file is just yet another change for git and, hence, to commit the change: git commit -m "removed that file, it's obsolete now" filename (or the other commit commands as explained above, such as git commit -a -m "...")
To push that change to github, for everyone:
When you want to rename a file or directory, or move it elsewhere, do not use the regular command-line or file manager options to do so. If you do that, git will consider the renamed/moved file to be a new one and hence will lose the history of changes.
The proper way of doing so is by using git mv, like this:
git mv old_filename new_filename
As usual, you will need to commit and push for that change to be visible for everyone.
One of the most obvious advantages of version control systems such as git is the ability to see the history of a file, which is a log of the modifications that have been made, with the commit messages (see the -m option for git commit), when changes were made and by whom.
To see the history of a file, use the following command:
git log filename
That will display something like this:
commit bbcf4e3a848d65fc28d1fb6d20d0ce7add040a33 Author: Pascal Bleser <email@example.com> Date: Tue Feb 15 23:46:11 2011 +0100 add LICENSE
There is only one change on the file above, but it shows
- whom made the change: Pascal Bleser
- when that change was made: Tue Feb 15
- what was changed (the commit message): "add LICENSE"
You can also see the all the changes, of the whole repository (and not just of a single file), by using
(without passing a file name)
Please note that git log commands automatically put the output into a pager (normally that is /usr/bin/less), which gives you the ability to navigate the output (with expected keys, such as arrow up, arrow down, page up, page down, ...). To leave the pager and return to the shell, simply press the key "q" (mnemonics: "q" as in "quit").
git log has quite a few more options, which you can read about by typing git log --help (also opens in the pager, press "q" to quit.)
- document how to retrieve previous revisions of a file (git checkout)
- document how to reset your working environment to the state of the repository, to remove all your local changes (git reset --hard)
- mention graphical user interfaces (gitk, qgit, ...)
- link to other howtos, cheat sheets, etc, such as http://cheat.errtheblog.com/s/git
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