Merge branch 'ps/object-wo-the-repository' into ps/object-file-cleanup

* ps/object-wo-the-repository:
  hash: stop depending on `the_repository` in `null_oid()`
  hash: fix "-Wsign-compare" warnings
  object-file: split out logic regarding hash algorithms
  delta-islands: stop depending on `the_repository`
  object-file-convert: stop depending on `the_repository`
  pack-bitmap-write: stop depending on `the_repository`
  pack-revindex: stop depending on `the_repository`
  pack-check: stop depending on `the_repository`
  environment: move access to "core.bigFileThreshold" into repo settings
  pack-write: stop depending on `the_repository` and `the_hash_algo`
  object: stop depending on `the_repository`
  csum-file: stop depending on `the_repository`

diff --cc Makefile
Simple merge

diff --cc builtin/clone.c
Simple merge

diff --cc builtin/fast-export.c
Simple merge

diff --cc builtin/fast-import.c
Simple merge

diff --cc builtin/fsck.c
Simple merge

diff --cc builtin/index-pack.c
Simple merge

diff --cc builtin/ls-files.c
Simple merge

diff --cc builtin/name-rev.c
Simple merge

diff --cc builtin/pack-objects.c
Simple merge

diff --cc builtin/unpack-objects.c
Simple merge

diff --cc builtin/update-ref.c
Simple merge

diff --cc config.c
Simple merge

diff --cc diff.c
Simple merge

diff --cc diff.h
Simple merge

diff --cc hash.h
Simple merge

diff --cc merge-ort.c
Simple merge

diff --cc meson.build
Simple merge

diff --cc refs.c
Simple merge

diff --cc refs/debug.c
Simple merge

diff --cc refs/files-backend.c
Simple merge