[Bug 1173265] [NEW] facter fails to run from rebuilt source package

[Robie Basak]

Public bug reported:

If I rebuild 1.6.9-2ubuntu1 in a raring chroot, then when I attempt to
run facter I get an error:

$ sudo dpkg -i facter_1.6.9-2ubuntu1_all.deb 
(Reading database ... 77464 files and directories currently installed.)
Preparing to replace facter 1.6.9-2ubuntu1 (using facter_1.6.9-2ubuntu1_all.deb) ...
Unpacking replacement facter ...
Setting up facter (1.6.9-2ubuntu1) ...
Processing triggers for man-db ...
ubuntu at raring-test:~$ facter
-bash: /usr/bin/facter: /usr/bin/ruby1.9.1: bad interpreter: No such file or directory

The problem is that /usr/bin/facter gets a shebang of
#!/usr/bin/ruby1.9.1 after the rebuild, rather than the
#!/usr/bin/ruby1.8 shebang in the binary in the archive. It looks like
this might have happened after the ruby metapackage was updated to 4.9
which changed the default ruby to 1.9 from 1.8, causing the facter
package build to turn out differently.

It also looks like Debian's facter 1.6.10-1 rejigged some of the ruby
versioning, so I suspect that the problem can be fixed in Saucy with a
simple merge.

But I suspect that an attempted SRU to Quantal or Raring will cause a
regression unless this bug is fixed there.

** Affects: facter (Ubuntu)
     Importance: High
         Status: Triaged

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https://bugs.launchpad.net/bugs/1173265

Title:
  facter fails to run from rebuilt source package

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