Create a new object database with no backends.
Before the ODB can be used for read/writing, a custom database backend must be manually added using git_odb_add_backend()
location to store the database pointer, if opened. Set to null if the open failed.
0 or an error code
See Implementation
Create a new object database with no backends.
Before the ODB can be used for read/writing, a custom database backend must be manually added using git_odb_add_backend()