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This directory contains my scripts to build backports of R software from Debian
sid or even experimental to older Debian distributions.
Currently I am using the following setup:
~/.pbuilderrc contains:
NAME="$DIST-$ARCH"
APTCACHEHARDLINK=yes
DISTRIBUTION="$DIST"
DEBOOTSTRAPOPTS=("--arch" "$ARCH"
"${DEBOOTSTRAPOPTS[@]}")
APTKEYRINGS="/home/jranke/.gnupg/pubring.gpg"
BASETGZ="`dirname $BASETGZ`/$NAME-base.tgz"
BUILDRESULT="/var/cache/pbuilder/$NAME/result/"
APTCACHE="/var/cache/pbuilder/$NAME/aptcache/"
MIRRORSITE="http://ftp.de.debian.org/debian/"
OTHERMIRROR="deb http://security.debian.org $DIST/updates main|deb http://ftp.de.debian.org/debian $DIST-backports main|deb http://localhost/r-cran $DIST-cran40/"
COMPONENTS="main"
This means I have the appropriate aptcache and buildresult directories set up
under /var/cache/pbuilder. I have several pbuilder images used for package
creation under /var/cache/pbuilder, among others:
/var/cache/pbuilder/buster-i386-base.tgz
With the pbuilderrc mentioned above, this can be created as a normal user with
export ARCH=i386
export DIST=bullseye
sudo -E pbuilder create
We also need to create the build directory:
sudo mkdir /var/cache/pbuilder/bullseye-i386/build
When using these scripts on Debian, I used to configure sudo to allow my normal
user to use pbuilder, apt-get and the backporting scripts. Currently, I have
set up my Debian installations using the Ubuntu like sudo configuration that
I select during the installation.
I am building other architectures on different machines (raspi: armxx) or in a
local chroot (amd64).
For creating a local chroot, I am using (e.g. for bullseye)
cd /var/chroot
sudo mkdir bullseye-amd64
sudo debootstrap bullseye bullseye-amd64 http://ftp.de.debian.org/debian/
Then I add a new entry in /etc/schroot/schroot.conf like
[bullseye64]
description=Debian bullseye 64-bit
type=directory
profile=default
directory=/var/chroot/bullseye-amd64
and use sudo schroot -c bullseye64 to enter it. Within the chroot I install
some necessary or useful stuff
apt install vim gnupg build-essential devscripts
add the matching local r-cran repository to /etc/apt/sources.list like
deb http://localhost/r-cran bullseye-cran40/
deb-src http://localhost/r-cran bullseye-cran40/
and tell apt to trust my key (from my Debian CRAN page):
gpg --keyserver keyserver.ubuntu.com --recv-key '95C0FAF38DB3CCAD0C080A7BDC78B2DDEABC47B7'
gpg --armor --export '95C0FAF38DB3CCAD0C080A7BDC78B2DDEABC47B7' > /etc/apt/trusted.gpg.d/cran_debian_key.asc
In the chroot, build-essential and devscripts have to be installed
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