Bug#1020724: snapper: reproducible-builds: Embedded usrmerge path in libsnapper.so.6.0.1

[Vagrant Cascadian]

Source: snapper
Severity: normal
Tags: patch
User: reproducible-builds at lists.alioth.debian.org
Usertags: usrmerge
X-Debbugs-Cc: reproducible-bugs at lists.alioth.debian.org

The binary path for "rm" is embedded in /usr/lib/x86_64-linux-gnu/libsnapper.so.6.0.1:

  https://tests.reproducible-builds.org/debian/rb-pkg/bookworm/amd64/diffoscope-results/snapper.html

  /bin/rm
  vs.
  /usr/bin/rm

As well as several other binary paths in an example Makefile.

The attached patch fixes this in debian/rules by pasing variables to
configure to use the non-usrmerge paths, which are the most compatible
across all systems.

With this patch applied snapper should build reproducibly on
tests.reproducible-builds.org when once it migrates to testing!

Thanks for maintaining snapper!

live well,
  vagrant
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