Re: [PATCH v3 00/15] reftable: drop generic `reftable_table` interface

> Range-diff against v2:
>  1:  472c169b501 =  1:  472c169b501 reftable/merged: expose functions to initialize iterators
>  2:  bc6f1cd8c1b =  2:  bc6f1cd8c1b reftable/merged: rename `reftable_new_merged_table()`
>  3:  58e91ab4b34 =  3:  58e91ab4b34 reftable/merged: stop using generic tables in the merged table
>  4:  6ba3fcee411 =  4:  6ba3fcee411 reftable/stack: open-code reading refs
>  5:  cac08a934c5 =  5:  cac08a934c5 reftable/iter: drop double-checking logic
>  6:  103262dc79c =  6:  103262dc79c reftable/generic: move generic iterator code into iterator interface
>  7:  4011fa65d81 =  7:  4011fa65d81 reftable/dump: drop unused `compact_stack()`
>  8:  ceaa296bfd4 =  8:  ceaa296bfd4 t/helper: inline `reftable_dump_main()`
>  9:  a62e4612e97 =  9:  a62e4612e97 t/helper: inline `reftable_reader_print_file()`
> 10:  7acfe4fecc5 ! 10:  242c179df5f t/helper: inline `reftable_stack_print_directory()`
>     @@ Commit message
>          Move `reftable_stack_print_directory()` into the "dump-reftable" helper.
>          This follows the same reasoning as the preceding commit.
>
>     +    Note that this requires us to remove the tests for this functionality in
>     +    `reftable/stack_test.c`. The test does not really add much anyway,
>     +    because all it verifies is that we do not crash or run into an error,
>     +    and it specifically doesn't check the outputted data. Also, as the code
>     +    is now part of the test helper, it doesn't make much sense to have a
>     +    unit test for it in the first place.
>     +
>          Signed-off-by: Patrick Steinhardt <ps@pks.im>
>
>       ## reftable/reftable-stack.h ##
> 11:  8bd53a1a656 = 11:  a05e2060996 t/helper: inline `reftable_table_print()`
> 12:  c50aabbb804 = 12:  ee22a08e11e t/helper: inline printing of reftable records
> 13:  5498395872c = 13:  0a3c619e842 t/helper: use `hash_to_hex_algop()` to print hashes
> 14:  5390be75c37 = 14:  8eab399dfc6 t/helper: refactor to not use `struct reftable_table`
> 15:  5aeab8ee077 = 15:  b5d7b5679b5 reftable/generic: drop interface
> --
> 2.46.0.164.g477ce5ccd6.dirty