Table of Contents

Git

cheatsheet

git-cheatsheet.pdf

best practice

5 rules to git better

Guide Convention for commits how commits should/could look like.

Submodules

Some Repositories contain submodules to import from other Repositories. This should be documented somewhere in the README.
You can guess that submodules are used if there are empty directories. 

git submodule init
git submodule update [--recursive]

Store password

git config --system credential.helper /usr/libexec/git-core/git-credential-libsecret

On older systems (Centos/Rhel 7.6, Fedora 25, Ubuntu 18.04): 

git config --global credential.helper gnome-keyring

git-svn

documentation 

git svn clone https://<REPOSITORY_URL> -T trunk -b branches -t tags
Clean up the log

The log created from svn will contain some wrong email and user name entries wich will not be linked to the GitLab user names and emails. 

git filter-branch --commit-filter '
        if [ "$GIT_AUTHOR_NAME" = "oldusername" ];
        then
                GIT_AUTHOR_NAME="Fistname Name";
                GIT_AUTHOR_EMAIL="email_addresss@registerd.in.our.idm";
                git commit-tree "$@";
        else
                git commit-tree "$@";
        fi' HEAD

Password change

When a new user password was chosen it happens that the existing gnome-keyrings can not be unlocked with the new password. If the user does not longer know its old password the keyrings can be reset by deleting the folder `keyrings` in its home directory: 

rm -r ~/.local/share/keyrings

Note

After deleting the user must re-login!

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