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add mini-mmdebstrap in shell to the man page

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Johannes Schauer Marin Rodrigues 2022-11-07 16:17:05 +01:00
parent d15be6abbf
commit bf33a614c3
Signed by: josch
GPG key ID: F2CBA5C78FBD83E1
1 changed files with 24 additions and 2 deletions
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mmdebstrap
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@ -6030,7 +6030,8 @@ B<mmdebstrap> creates a Debian chroot of I<SUITE> into I<TARGET> from one or
more I<MIRROR>s. It is meant as an alternative to the debootstrap tool (see more I<MIRROR>s. It is meant as an alternative to the debootstrap tool (see
section B<DEBOOTSTRAP>). In contrast to debootstrap it uses apt to resolve section B<DEBOOTSTRAP>). In contrast to debootstrap it uses apt to resolve
dependencies and is thus able to use more than one mirror and resolve more dependencies and is thus able to use more than one mirror and resolve more
complex dependencies. complex dependencies. See section B<OPERATION> for an overview of how
B<mmdebstrap> works internally.
If no I<MIRROR> option is provided, L<http://deb.debian.org/debian> is used. If no I<MIRROR> option is provided, L<http://deb.debian.org/debian> is used.
If I<SUITE> is a stable release name and no I<MIRROR> is specified, then If I<SUITE> is a stable release name and no I<MIRROR> is specified, then
@ -6757,7 +6758,28 @@ retained.
=head1 OPERATION =head1 OPERATION
This section gives an overview of the different steps to create a chroot. This section gives an overview of the different steps to create a chroot. At
its core, what B<mmdebstrap> does can be put into a 14 line shell script:
mkdir -p "$2/etc/apt" "$2/var/cache"
cat << END > "$2/apt.conf"
Apt::Architecture "$(dpkg --print-architecture)";
Apt::Architectures "$(dpkg --print-architecture)";
Dir "$(cd "$2" && pwd)";
Dir::Etc::Trusted "$(eval "$(apt-config shell v Dir::Etc::Trusted/f)"; printf "$v")";
Dir::Etc::TrustedParts "$(eval "$(apt-config shell v Dir::Etc::TrustedParts/d)"; printf "$v")";
END
echo "deb http://deb.debian.org/debian/ $1 main" > "$2/etc/apt/sources.list"
APT_CONFIG="$2/apt.conf" apt-get update
APT_CONFIG="$2/apt.conf" apt-get --yes --download-only install '?essential'
for f in "$2"/var/cache/apt/archives/*.deb; do dpkg-deb --extract "$f" "$2"; done
chroot "$2" sh -c "dpkg --install --force-depends /var/cache/apt/archives/*.deb"
The additional complexity of B<mmdebstrap> is to support operation without
superuser privileges, bit-by-bit reproducible output, hooks and foreign
architecture support.
The remainder of this section explains what B<mmdebstrap> does step-by-step.
=over 8 =over 8