add example for how to use a cache directory

This commit is contained in:
Johannes 'josch' Schauer 2020-11-15 11:27:51 +01:00
parent 12b26a8817
commit 534798dbd2
Signed by untrusted user: josch
GPG key ID: F2CBA5C78FBD83E1

View file

@ -6448,6 +6448,17 @@ Build a non-Debian chroot like Ubuntu bionic:
$ mmdebstrap --aptopt='Dir::Etc::Trusted
"/usr/share/keyrings/ubuntu-keyring-2012-archive.gpg"' bionic bionic.tar
If, for some reason, you cannot use a caching proxy like apt-cacher or
apt-cacher-ng, you can use the B<sync-in> and B<sync-out> special hooks to
synchronize a directory outside the chroot with F</var/cache/apt/archives>
inside the chroot.
$ mmdebstrap --variant=apt --skip=download/empty --skip=essential/unlink \
--setup-hook='mkdir -p ./cache "$1"/var/cache/apt/archives/' \
--setup-hook='sync-in ./cache /var/cache/apt/archives/' \
--customize-hook='sync-out /var/cache/apt/archives ./cache' \
unstable /dev/null
=head1 ENVIRONMENT VARIABLES
=over 8