Store exact submodule commit for --treeish

Author: KSR-Yasuda

git-archive-all.sh

@@ -249,7 +249,7 @@ fi
 if [ $VERBOSE -eq 1 ]; then
     echo -n "archiving submodules..."
 fi
-git submodule >>"$TMPLIST"
+git submodule status | awk -v 'ORS=\0' '{ print $2 }' | xargs -0 -I{} git ls-tree "$TREEISH" {} | awk '{ "git -C ''" $4 "'' name-rev --name-only ''" $3 "''" | getline ref; print " " $3 , $4 , "(" ref ")"}' >> "$TMPLIST"
 while read path; do
     TREEISH=$(grep "^ .*${path%/} " "$TMPLIST" | cut -d ' ' -f 2) # git submodule does not list trailing slashes in $path
     cd "$path"