git

# https://ohshitgit.com/ru !!!
# Info:
git remote show origin
git remote -v
git remote remove origin
git remote add origin <URL>

# Store passwords:
git config credential.helper store

# Get only single file from remote origin
git fetch
git checkout origin/master -- path/to/file

# Commit
git commit -m "Initial commit"
git push

# Revert local changes
git checkout -p <optional filename(s)>

# View branches:
git branch -a
git show-branch

# https://docs.moodle.org/403/en/Git_for_Administrators
# Moodle update:
git branch -a
git branch --track MOODLE_311_STABLE origin/MOODLE_311_STABLE
git checkout MOODLE_311_STABLE

git branch -avv
git checkout MOODLE_500_STABLE
git fetch origin
git reset --hard origin/MOODLE_500_STABLE
chown -R www-data *

# Moodle update (AI-version)
php admin/cli/cron.php
git fetch --all

php admin/cli/maintenance.php --enable
git checkout -b MOODLE_311_STABLE origin/MOODLE_311_STABLE
git pull
php admin/cli/upgrade.php
php admin/cli/maintenance.php --disable

php admin/cli/purge_caches.php
# If collations error:
cd admin/cli
php mysql_collation.php --collation=utf8mb4_unicode_ci # check in config.php