$ curl cheat.sh/
# add-apt-repository
# Manages apt repository definitions.
# More information: <https://manned.org/apt-add-repository>.

# Add a new apt repository:
add-apt-repository repository_spec

# Remove an apt repository:
add-apt-repository --remove repository_spec

# Update the package cache after adding a repository:
add-apt-repository --update repository_spec

# Allow source packages to be downloaded from the repository:
add-apt-repository --enable-source repository_spec

$
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