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====== Building Debian packages ======


===== How-to create Debian package for script(s) =====

==== Directory structure: ====

<code>
debian/
  |- changelog
  |- compat
  |- control
  |- install
  `- rules
</code>

<code>
cat debian/changelog 
my-package (1.0) UNRELEASED; urgency=low

  * initial version

 -- Fname Sname <me@example.com>  Mon, 09 Sep 2013 23:59:59 +0000

</code>

<code>
cat debian/compat
7
</code>

<code>
cat debian/control
Source: my-uber-package
Section: web
Priority: optional
Maintainer: Fname Sname <me@example.com>
Build-Depends: debhelper (>= 9)
Standards-Version: 3.9.2


Package: my-uber-package
Architecture: all
Section: web
Depends: grep
Description: Short-desc
 Long desc
 over multiple-lines
</code>

<code>
# real-life example - modify!
cat debian/install 
usr/local/bin/my-script usr/local/bin/
etc/xinet.d/ etc/xinet.d/
</code>

<code>
cat debian/rules 
#!/usr/bin/make -f

%:
	dh $@

# This is in case you have anything in usr/local
# I presume you may have to over-ride some stuff in similar way
override_dh_usrlocal:
	true
</code>


In order to bump-up(update/raise) build version and update ''debian/changelog'', use ''% dch'' from ''devscripts'' package.


==== Links ====
  * http://askubuntu.com/questions/90764/how-do-i-create-a-deb-package-for-a-single-python-script
  * http://stackoverflow.com/questions/7459644/why-is-dh-usrlocal-throwing-a-build-error
  * http://xmodulo.com/2013/04/how-to-create-deb-debian-package-for-java-web-application.html
  * http://www.ibm.com/developerworks/linux/library/l-debpkg/index.html


===== How-to modify and repack Debian package =====

I don't take credit for this one. This is just a backup in case the original page disappears since this is useful from time to time.

<code>
mkdir -p newpack oldpack/DEBIAN
dpkg-deb -x file.deb oldpack/
dpkg-deb -e file.deb oldpack/DEBIAN
# change whatever needs to be changed
dpkg-deb -Z xz -b oldpack/ newpack/
</code>

==== Links ====

  * https://medium.com/@kasunmaduraeng/how-to-modify-and-repack-deb-package-436f8351af41