Installing libscret
sudo apt install libsecret-1-0 libsecret-1-dev libglib2.0-dev libsecret-tools
Building Git Libscret extension store
$ cd /usr/share/doc/git/contrib/credential/libsecret
$ sudo su
# make
Configuring libsecret to GIT
git config --global credential.helper /usr/share/doc/git/contrib/credential/libsecret/git-credential-libsecret
To list the secrets stored, you can use lssecret:
git clone https://github.com/gileshuang/lssecret /tmp/lssecret
cd /tmp/lssecret
make && DESTDIR=/usr/local sudo make install
Get current stored secrets
$ lssecret
Collection: Login
Item: Git: https://github.com/
Key: protocol
Value: https
Key: user
Value: mageddo
Key: server
Value: github.com
Key: xdg:schema
Value: org.gnome.keyring.NetworkPassword
$ secret-tool lookup server github.com
<password>