In addition, there are a number of optional keys:
submodule.<name>.update::
- Defines what to do when the submodule is updated by the superproject.
- If 'checkout' (the default), the new commit specified in the
- superproject will be checked out in the submodule on a detached HEAD.
- If 'rebase', the current branch of the submodule will be rebased onto
- the commit specified in the superproject. If 'merge', the commit
- specified in the superproject will be merged into the current branch
- in the submodule.
- If 'none', the submodule with name `$name` will not be updated
- by default.
-
- This config option is overridden if 'git submodule update' is given
- the '--merge', '--rebase' or '--checkout' options.
+ Defines the default update procedure for the named submodule,
+ i.e. how the submodule is updated by "git submodule update"
+ command in the superproject. This is only used by `git
+ submodule init` to initialize the configuration variable of
+ the same name. Allowed values here are 'checkout', 'rebase',
+ 'merge' or 'none'. See description of 'update' command in
+ linkgit:git-submodule[1] for their meaning. Note that the
+ '!command' form is intentionally ignored here for security
+ reasons.
submodule.<name>.branch::
A remote branch name for tracking updates in the upstream submodule.
submodule.<name>.ignore::
Defines under what circumstances "git status" and the diff family show
a submodule as modified. When set to "all", it will never be considered
- modified, "dirty" will ignore all changes to the submodules work tree and
+ modified (but will nonetheless show up in the output of status and
+ commit when it has been staged), "dirty" will ignore all changes
+ to the submodules work tree and
takes only differences between the HEAD of the submodule and the commit
recorded in the superproject into account. "untracked" will additionally
let submodules with modified tracked files in their work tree show up.