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1 #!/bin/bash
2 # Checkout and update source for all registered submodules (.gitmodules).
3 # Optionally 'git pull' on each submodule to check for updates.
4
5 # Ensure all submodules (and child submodules) are checked-out
6 git submodule update --init --recursive
7
8 # Update submodules' remotes based on .gitmodules
9 git submodule sync
10
11 if [ "$1" = "pull" ]; then
12 # Fetch & pull any new updates from submodule's origin
13 # [http://scribu.net/blog/git-alias-for-updating-submodules.html]
14 git submodule foreach 'git fetch origin --tags; git checkout master; git pull'
15 fi