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After the report of https://sourceware.org/bugzilla/show_bug.cgi?id=26769 it became apparent that we want to be able compare a binary against its ABIXML representation, including for cases where the binaries are embedded in RPM packages. This patches thus introduces the --self-check option to abipkgdiff so that it can be invoked like this: $ abipkgdiff --self-check --d1 libstdc++-debuginfo-10.2.1-8.fc34.x86_64.rpm --d1 gcc-debuginfo-10.2.1-8.fc34.x86_64.rpm libstdc++-10.2.1-8.fc34.x86_64.rpm ==== SELF CHECK SUCCEEDED for 'libstdc++.so.6.0.28'==== $ With this option, libabigail compares each binary in the RPM against its own ABIXML representation. This should hopefully help to write regression tests which have as sole inputs the links to download the RPMs. It's also useful to ease the process of reproducing the issue raised. This option can now be used, for instance, by the libabigail-selfcheck program over at https://pagure.io/libabigail-selfcheck. * tools/abipkgdiff.cc (options::self_check): Define new data member. (options::options): Initialize it. (display_usage): Add help string for the --self-check option. (parse_command): Parse the new --self-check option. (extract_deb): Add missing newline. (compare): Remove useless white space. (compare_to_self, self_compare_prepared_userspace_package) (self_compare_prepared_package, compare_to_self): Add new static functions. (class self_compare_task): Add new class. (prepare_package): Add a new overload that takes just one parameter. (elf_size_is_greater): Don't crash if the args are empty. (main): If the --self-check option is given, make sure we have just one package in argument. Use the new compare_to_self function to handle the --self-check option. * doc/manuals/abipkgdiff.rst: Add documentation for the new --self-check option. Signed-off-by: Dodji Seketeli <dodji@redhat.com> |
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