group-shareable. When 'umask' (or 'false'), git will use permissions
reported by umask(2). When '0xxx', where '0xxx' is an octal number,
files in the repository will have this mode value. '0xxx' will override
- user's umask value, and thus, users with a safe umask (0077) can use
- this option. Examples: '0660' is equivalent to 'group'. '0640' is a
+ user's umask value (whereas the other options will only override
+ requested parts of the user's umask value). Examples: '0660' will make
+ the repo read/write-able for the owner and group, but inaccessible to
+ others (equivalent to 'group' unless umask is e.g. '0022'). '0640' is a
repository that is group-readable but not group-writable.
See linkgit:git-init[1]. False by default.