static int diff_file_content_load_workdir(git_diff_file_content *fc)
{
int error = 0;
git_buf path = GIT_BUF_INIT;
if (fc->file->mode == GIT_FILEMODE_COMMIT)
return diff_file_content_commit_to_str(fc, true);
if (fc->file->mode == GIT_FILEMODE_TREE)
return 0;
if (git_buf_joinpath(
&path, git_repository_workdir(fc->repo), fc->file->path) < 0)
return -1;
if (S_ISLNK(fc->file->mode))
error = diff_file_content_load_workdir_symlink(fc, &path);
else
error = diff_file_content_load_workdir_file(fc, &path);
/* once data is loaded, update OID if we didn't have it previously */
if (!error && (fc->file->flags & GIT_DIFF_FLAG_VALID_OID) == 0) {
error = git_odb_hash(
&fc->file->oid, fc->map.data, fc->map.len, GIT_OBJ_BLOB);
fc->file->flags |= GIT_DIFF_FLAG_VALID_OID;
}
git_buf_free(&path);
return error;
}
static int diff_file_content_load_blob(git_diff_file_content *fc)
{
int error = 0;
git_odb_object *odb_obj = NULL;
if (git_oid_iszero(&fc->file->oid))
return 0;
if (fc->file->mode == GIT_FILEMODE_COMMIT)
return diff_file_content_commit_to_str(fc, false);
/* if we don't know size, try to peek at object header first */
if (!fc->file->size) {
git_odb *odb;
size_t len;
git_otype type;
if (!(error = git_repository_odb__weakptr(&odb, fc->repo))) {
error = git_odb__read_header_or_object(
&odb_obj, &len, &type, odb, &fc->file->oid);
git_odb_free(odb);
}
if (error)
return error;
fc->file->size = len;
}
if (diff_file_content_binary_by_size(fc))
return 0;
if (odb_obj != NULL) {
error = git_object__from_odb_object(
(git_object **)&fc->blob, fc->repo, odb_obj, GIT_OBJ_BLOB);
git_odb_object_free(odb_obj);
} else {
error = git_blob_lookup(
(git_blob **)&fc->blob, fc->repo, &fc->file->oid);
}
if (!error) {
fc->flags |= GIT_DIFF_FLAG__FREE_BLOB;
fc->map.data = (void *)git_blob_rawcontent(fc->blob);
fc->map.len = (size_t)git_blob_rawsize(fc->blob);
}
return error;
}
static int diff_file_content_load_blob(
git_diff_file_content *fc,
git_diff_options *opts)
{
int error = 0;
git_odb_object *odb_obj = NULL;
if (git_oid_iszero(&fc->file->id))
return 0;
if (fc->file->mode == GIT_FILEMODE_COMMIT)
return diff_file_content_commit_to_str(fc, false);
/* if we don't know size, try to peek at object header first */
if (!fc->file->size) {
if ((error = git_diff_file__resolve_zero_size(
fc->file, &odb_obj, fc->repo)) < 0)
return error;
}
if ((opts->flags & GIT_DIFF_SHOW_BINARY) == 0 &&
diff_file_content_binary_by_size(fc))
return 0;
if (odb_obj != NULL) {
error = git_object__from_odb_object(
(git_object **)&fc->blob, fc->repo, odb_obj, GIT_OBJECT_BLOB);
git_odb_object_free(odb_obj);
} else {
error = git_blob_lookup(
(git_blob **)&fc->blob, fc->repo, &fc->file->id);
}
if (!error) {
fc->flags |= GIT_DIFF_FLAG__FREE_BLOB;
fc->map.data = (void *)git_blob_rawcontent(fc->blob);
fc->map.len = (size_t)git_blob_rawsize(fc->blob);
}
return error;
}
