Git
Check logs 
git logCheck Configs
git config -lCTF: This may provide a username and password to login to the git repository to find something useful such as script or application to download and execute, for example.
.git Enumeration 
# this will discover .git files, etc. 
/usr/share/seclists/Discovery/Web-Content/quickhits.txtgitdumper
# https://github.com/internetwache/GitTools 
./gitdumper.sh http://source.cereal.htb/.git/ source/Git Commands
# Go back to where it was at the last commit, restoring all the files
git reset --hardLast updated