Mark Levedahl <mlevedahl@xxxxxxxxx> writes:
> This utility is inspired by a number of threads on the mailing list
> looking for ways to better integrate submodules in a tree and work
> with them as a unit.
Thanks for keeping the topic going
> +foreach::
> + Executes an arbitrary list of commands in each checked out submodule.
> + $path is the name of the submodule directory relative to the
> + superproject, and $sha1 is the commit as recorded in the superproject.
> + And submodules defined in the superproject but not checked out are
> + ignored by this command, and an empty command-list provides no output.
> ++
> +As an example, "git submodule foreach 'echo $path `git rev-parse HEAD`' will
> +show the path and currently checked out commit for each submodule.
I think this is a sensible building block to have.
> +cmd_foreach()
> +{
> + git ls-files --stage | grep '^160000 ' |
> + while read mode sha1 stage path
> + do
> + if test -e "$path"/.git
> + then
> + (cd "$path" && eval "$@")
> + fi
> + done
> +}
I suspect we may want to stop the loop upon failure from eval (any user
that wants to run command in all submodules no matter what could add '||:'
to the cmd list), but other than that this is a simple enough and good
addition.
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