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author | Junio C Hamano <gitster@pobox.com> | 2024-03-28 14:13:50 -0700 |
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committer | Junio C Hamano <gitster@pobox.com> | 2024-03-28 14:13:50 -0700 |
commit | 1002f28a527d33893f7dab068dbac7011f84af65 (patch) | |
tree | 9b9ada23d952e936d496597d03064c10d8d9f73d /setup.c | |
parent | c75fd8d8150afdf836b63a8e0534d9b9e3e111ba (diff) | |
parent | 7673ecd2dcdcf0aae01cccdb5c25f9b96160a8c0 (diff) | |
download | git-1002f28a527d33893f7dab068dbac7011f84af65.tar.gz |
Merge branch 'eb/hash-transition'
Work to support a repository that work with both SHA-1 and SHA-256
hash algorithms has started.
* eb/hash-transition: (30 commits)
t1016-compatObjectFormat: add tests to verify the conversion between objects
t1006: test oid compatibility with cat-file
t1006: rename sha1 to oid
test-lib: compute the compatibility hash so tests may use it
builtin/ls-tree: let the oid determine the output algorithm
object-file: handle compat objects in check_object_signature
tree-walk: init_tree_desc take an oid to get the hash algorithm
builtin/cat-file: let the oid determine the output algorithm
rev-parse: add an --output-object-format parameter
repository: implement extensions.compatObjectFormat
object-file: update object_info_extended to reencode objects
object-file-convert: convert commits that embed signed tags
object-file-convert: convert commit objects when writing
object-file-convert: don't leak when converting tag objects
object-file-convert: convert tag objects when writing
object-file-convert: add a function to convert trees between algorithms
object: factor out parse_mode out of fast-import and tree-walk into in object.h
cache: add a function to read an OID of a specific algorithm
tag: sign both hashes
commit: export add_header_signature to support handling signatures on tags
...
Diffstat (limited to 'setup.c')
-rw-r--r-- | setup.c | 22 |
1 files changed, 22 insertions, 0 deletions
@@ -591,6 +591,25 @@ static enum extension_result handle_extension(const char *var, "extensions.objectformat", value); data->hash_algo = format; return EXTENSION_OK; + } else if (!strcmp(ext, "compatobjectformat")) { + struct string_list_item *item; + int format; + + if (!value) + return config_error_nonbool(var); + format = hash_algo_by_name(value); + if (format == GIT_HASH_UNKNOWN) + return error(_("invalid value for '%s': '%s'"), + "extensions.compatobjectformat", value); + /* For now only support compatObjectFormat being specified once. */ + for_each_string_list_item(item, &data->v1_only_extensions) { + if (!strcmp(item->string, "compatobjectformat")) + return error(_("'%s' already specified as '%s'"), + "extensions.compatobjectformat", + hash_algos[data->compat_hash_algo].name); + } + data->compat_hash_algo = format; + return EXTENSION_OK; } else if (!strcmp(ext, "refstorage")) { unsigned int format; @@ -1603,6 +1622,8 @@ const char *setup_git_directory_gently(int *nongit_ok) } if (startup_info->have_repository) { repo_set_hash_algo(the_repository, repo_fmt.hash_algo); + repo_set_compat_hash_algo(the_repository, + repo_fmt.compat_hash_algo); repo_set_ref_storage_format(the_repository, repo_fmt.ref_storage_format); the_repository->repository_format_worktree_config = @@ -1698,6 +1719,7 @@ void check_repository_format(struct repository_format *fmt) check_repository_format_gently(get_git_dir(), fmt, NULL); startup_info->have_repository = 1; repo_set_hash_algo(the_repository, fmt->hash_algo); + repo_set_compat_hash_algo(the_repository, fmt->compat_hash_algo); repo_set_ref_storage_format(the_repository, fmt->ref_storage_format); the_repository->repository_format_worktree_config = |