On Mon, Oct 22, 2012 at 6:55 PM, W. Trevor King <wking@xxxxxxxxxx> wrote:
> On a tangentially related note, it would be nice to set environment
> variables for each of the settings in submodule.$name during a foreach
> call. Then you could use
>
> git submodule foreach 'git checkout $branch && git pull'
>
> Perhaps you'd want to blacklist/whitelist or downcase settings names
> to avoid things like
>
> [submodule "foo"]
> PATH = /my/rootkit/
>
> but the update line is much cleaner.
This is ugly as can be, but it works in my meagre testing. It defines
"submodule_path=/my/rootkit/" for the above bit of .gitmodules. That
is, it adds definitions for 'submodule_<var-name>' for each <var-name>
in .gitmodules in submodule.$name.<var-name>, but <var-name> is
lowercased and defanged (everything that's not already [a-z0-9] is
replaced with underscore). For example,
git submodule foreach 'echo $submodule_url'
--- >8 ---
diff --git c/git-submodule.sh i/git-submodule.sh
index 6dd2338..79b3467 100755
--- c/git-submodule.sh
+++ i/git-submodule.sh
@@ -416,7 +416,15 @@ cmd_foreach()
prefix="$prefix$sm_path/"
clear_local_git_env
# we make $path available to scripts ...
path=$sm_path
+
+ # make all submodule variables
available to scripts
+ eval $(git config -f .gitmodules
--get-regexp "^submodule\.${name}\..*" |
+ sed -e "s|^submodule\.${name}\.||" |
+ while read VAR_NAME VAR_VALUE ; do
+ VAR_NAME=$(printf '%s'
"$VAR_NAME" | tr A-Z a-z | sed -e 's/^[^a-z]/_/' -e 's/[^a-z0-9]/_/g')
+ printf 'submodule_%s=%s;\n'
"$VAR_NAME" "'$VAR_VALUE'"
+ done)
cd "$sm_path" &&
eval "$@" &&
if test -n "$recursive"
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