Last Updated: February 25, 2016
· camilocot

Change the dependencies of a deb package

You can change the dependencies of a deb package like this:

  1. Unpack deb: ar x golden-linux.deb (will create i.e. three files: debian-binary control.tar.gz data.tar.gz)
  2. Unpack control archive: tar xzf control.tar.gz (will create: postinst postrm preinst prerm md5sums control)
  3. Fix dependencies in control (use a text editor)
  4. Repack control.tar.gz: tar c {post,pre}{inst,rm} md5sums control | gzip -c > control.tar.gz
  5. Repack deb: ar rcs newpackage.deb debian-binary control.tar.gz data.tar.gz (order important! See [Note] )

[Note]: dpkg wouldn't be able to read the metadata of a package quickly if it had to search for where the data section ended!

Ref: serverfault.com

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