Resolve gitdir path relative to project file
In a git submodule, .git file contains gitdir: <path>
,
with a relative path.
Older git version might have used an absolute path, but
it is no longer the case.
In a git submodule, .git file contains gitdir: <path>
,
with a relative path.
Older git version might have used an absolute path, but
it is no longer the case.