Taylor Blau defba632c1 midx: replace get_midx_rev_filename() with a generic helper ...

Commit f894081dea (pack-revindex: read multi-pack reverse indexes,
2021-03-30) introduced the `get_midx_rev_filename()` helper (later
modified by commit 60980aed78 (midx.c: write MIDX filenames to
strbuf, 2021-10-26)).

This function returns the location of the classic ".rev" files we used
to write for MIDXs (prior to 95e8383bac (midx.c: make changing the
preferred pack safe, 2022-01-25)), which is always of the form:

    $GIT_DIR/objects/pack/multi-pack-index-$HASH.rev

Replace this function with a generic helper that populates a strbuf with
the above form, replacing the ".rev" extension with a caller-provided
argument.

This will allow us to remove a similarly-defined function in the
pack-bitmap code (used to determine the location of a MIDX .bitmap file)
by reimplementing it in terms of `get_midx_filename_ext()`.

Signed-off-by: Taylor Blau <me@ttaylorr.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2024-05-30 13:43:52 -07:00

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