Sets the default value of --ignore-submodules. Note that this
affects only 'git diff' Porcelain, and not lower level 'diff'
commands such as 'git diff-files'. 'git checkout' also honors
- this setting when reporting uncommitted changes.
+ this setting when reporting uncommitted changes. Setting it to
+ 'all' disables the submodule summary normally shown by 'git commit'
+ and 'git status' when 'status.submodulesummary' is set unless it is
+ overridden by using the --ignore-submodules command line option.
+ The 'git submodule' commands are not affected by this setting.
diff.mnemonicprefix::
If set, 'git diff' uses a prefix pair that is different from the