On Thu, Oct 17, 2024 at 10:16:25AM GMT, Chris Lamb wrote: > Hello Alejandro,
Hi Chris!
>
> > It would be nice to be able to compare ar(1) archives.
>
> It should already do!
>
> $ diffoscope tests/data/test1.a tests/data/test2.a
>
> --- tests/data/test1.a
> +++ tests/data/test2.a
> ├── file list
> │ @@ -1,2 +1,2 @@
> │ ----------- 0 0 0 10 2015-06-24 12:14:19.000000 /
> │ --rw-r--r-- 0 1000 1000 1216 2015-06-24 12:13:47.000000
> test.o
> │ +---------- 0 0 0 10 2015-06-24 12:14:29.000000 /
> │ +-rw-r--r-- 0 1000 1000 1216 2015-06-24 12:14:27.000000
> test.o
> ├── test.o
> │ ├── objdump --line-numbers --disassemble --demangle --reloc
> --no-show-raw-insn --section=.text {}
> │ │ @@ -3,10 +3,10 @@
> │ │
> │ │ Disassembly of section .text:
> │ │
> │ │ 0000000000000000 <f>:
> │ │ f():
> │ │ push %rbp
> │ │ mov %rsp,%rbp
> │ │ - mov $0x2a,%eax
> │ │ + mov $0xffffffff,%eax
> │ │ pop %rbp
> │ │ ret
>
> Do you not get the same thing? You may need to install the binutils
> package.
Humm. I might be in front of a bug? I was trying to see what was the
difference between an archive before and after running ranlib(1) on it.
Maybe that was the issue?
See below.
Have a lovely day!
Alex
alx@debian:~/src/alx/liba2i/contrib$ dpkg -l binutils | tail -n1
ii binutils 2.43.1-5 amd64 GNU assembler, linker and binary
utilities
alx@debian:~/src/alx/liba2i/contrib$ diffoscope liba2i.a liba2i_ranlibbed.a
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/diffoscope/main.py", line 767, in main
sys.exit(run_diffoscope(parsed_args))
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/diffoscope/main.py", line 718, in
run_diffoscope
difference = compare_root_paths(path1, path2)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line
69, in compare_root_paths
difference = compare_files(file1, file2)
^^^^^^^^^^^^^^^^^^^^^^^^^^^
File
"/usr/lib/python3/dist-packages/diffoscope/comparators/utils/compare.py", line
149, in compare_files
return file1.compare(file2, source)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py",
line 536, in compare
difference = self._compare_using_details(other, source)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/diffoscope/comparators/utils/file.py",
line 437, in _compare_using_details
details.extend(self.compare_details(other, source))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/diffoscope/comparators/ar.py", line 71,
in compare_details
Difference.from_text_readers(
File "/usr/lib/python3/dist-packages/diffoscope/difference.py", line 258, in
from_text_readers
return Difference.from_feeder(
^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/diffoscope/difference.py", line 214, in
from_feeder
unified_diff = diff(feeder1, feeder2)
^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 334, in diff
with FIFOFeeder(feeder1, fifo1_path) as fifo1, FIFOFeeder(
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 225, in
__exit__
self.join()
File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 258, in join
raise self._exception
File "/usr/lib/python3/dist-packages/diffoscope/diff.py", line 249, in run
end_nl = self.feeder(fifo)
^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/diffoscope/feeders.py", line 79, in
feeder
for buf in in_file:
^^^^^^^
File
"/usr/lib/python3/dist-packages/diffoscope/comparators/utils/libarchive.py",
line 134, in list_libarchive
for entry in archive:
^^^^^^^
File "/usr/lib/python3/dist-packages/libarchive/read.py", line 27, in __iter__
r = read_next_header2(archive_p, entry._entry_p)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "/usr/lib/python3/dist-packages/libarchive/ffi.py", line 98, in check_int
raise archive_error(args[0], retcode)
libarchive.exception.ArchiveError: Invalid string table (errno=22, retcode=-30,
archive_p=139655089495440)
--
<https://www.alejandro-colomar.es/>
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