Cellular Network Infrastructure

h1. Manually building a distribution package

This is a complete example showing how I created a .deb package of a custom osmo-msc version.

The aim was to distribute a certain patch of osmo-msc without modifying the official Osmocom package feeds.

h2. lxc container

For a clean build base, create a fresh debian 10 (buster) container.

on lxc host:

<pre>

lxc-create -t download -n neels-deb10

lxc-start -n neels-deb10

lxc-attach -n neels-deb10

</pre>

in neels-deb10 container:

<pre>

apt install openssh-server

useradd -m -s /bin/bash neels

cd /home/neels/

mkdir .ssh

cd .ssh/

cat > authorized_keys

# paste my ssh pubkey, hit ctrl-D

cd ..

chown -R neels: .ssh

passwd neels

apt-get install sudo

gpasswd -a neels sudo

apt-get update

apt-get install wget gnupg git tig

wget https://downloads.osmocom.org/packages/osmocom:/nightly/Debian_10/Release.key

sha256sum Release.key | grep 5c317407aef0671b7795d79942b4b9118dca199884d88accab2aae92a5ad08ba

apt-key add Release.key

rm Release.key

cat > /etc/apt/sources.list.d/osmocom-nightly.list <<END

deb https://downloads.osmocom.org/packages/osmocom:/nightly/Debian_10/ ./

deb-src https://downloads.osmocom.org/packages/osmocom:/nightly/Debian_10// ./

END

apt-get update

apt-get install git-buildpackage libdistro-info-perl

apt-get build-depends osmo-msc

# exit the lcx-attach and log in via ssh

exit

</pre>

<pre>

lxc-ls -f | grep neels-deb10

# neels-deb10        RUNNING 0         -      192.168.111.12, 192.168.111.240                         -                                      false

ssh neels@192.168.111.12

# (logged into neels-deb10 container)

git clone https://gitea.osmocom.org/cellular-infrastructure/osmo-msc

cd osmo-msc

# checkout the branch to put in the package

git checkout neels/mncc_codecs2

git config --global user.email nhofmeyr@sysmocom.de

git config --global user.name "Neels Hofmeyr"

# update the changelog and commit

gbp dch --debian-tag='%(version)s' --auto --meta --git-author --multimaint-merge --ignore-branch --new-version="1.6.1001"

dch -r -m --distribution "unstable" ""

git add debian/changelog

git commit -m "manual package 1.6.1 --> 1.6.1001"

# to be able to tag a release, we need to sign it. Create a key to sign with.

gpg --generate-key

# Enter same name and email as with 'git config' above.

# Signing may require a bit of a dance to:

# a) get a text based pinentry:

sudo apt-get install pinentry-curses

# and b) get gpg to use the right tty

export GPG_TTY=$(tty)

# set the signed tag

git tag -s 1.6.1001 -f -m "manual package v1.6.1001 on $(date -I)."

# this should show the tag:

git describe

# build the .deb package. packages are put in ../ (i.e. a dir above $CWD == osmo-msc)

dpkg-buildpackage -uc -us -tc

ls ../*.deb

</pre>