git submodule

session.txt

$ git --version
git version 1.7.9.1.244.gb0d66b

$ mkdir git-submodule

$ cd ./git-submodule

$ git init
Initialized empty Git repository in /Users/kana/tmp/git-submodule/.git/

$ touch a

$ git add a

$ git commit -am 'Initial commit'
[master (root-commit) eff0f57] Initial commit
 0 files changed
 create mode 100644 a

$ git submodule add $PWD foo
Cloning into 'foo'...
done.

$ git commit -am 'Add submodule'
[master 02756fb] Add submodule
 2 files changed, 4 insertions(+)
 create mode 100644 .gitmodules
 create mode 160000 foo

$ date >foo/untracked-file

$ git status
# On branch master
# Changes not staged for commit:
#   (use "git add <file>..." to update what will be committed)
#   (use "git checkout -- <file>..." to discard changes in working directory)
#   (commit or discard the untracked or modified content in submodules)
#
#       modified:   foo (untracked content)
#
no changes added to commit (use "git add" and/or "git commit -a")

$ git submodule status
 eff0f571027b64f67bd4d66fdc924ae956bba51d foo (heads/master)

$ cd ./foo

$ git status
# On branch master
# Untracked files:
#   (use "git add <file>..." to include in what will be committed)
#
#       untracked-file
nothing added to commit but untracked files present (use "git add" to track)