Refactor with fixes for msys-git.

crup-runner.sh

Index: crup-runner.sh
diff --git a/crup-runner.sh b/crup-runner.sh
index 50c1d06b5df7fb5fda1de5fbdf9908700ceb7166..7c7947c13496587352a8e44e658c8f4f31c71936 100755
--- a/crup-runner.sh
+++ b/crup-runner.sh
@@ -104,7 +104,7 @@ if [ "$solution" = "$1" ]; then
 
   set_target_os
 
-  "$GIT_EXE" ls-files -s | grep ^160000 | awk '{print $4}' |
+  git ls-files -s | grep ^160000 | awk '{print $4}' |
   while read submod; do
     process_submodule "$submod"
   done
@@ -112,8 +112,8 @@ if [ "$solution" = "$1" ]; then
 else
   submodule="${1#*/}"
   echo "[$solution] updating $submodule"
-  "$GIT_EXE" submodule update --recursive --quiet "$submodule" |
-  ( grep -v '^Skipping submodule' || true ) | sed "s|^|[$1] |g"
+  git submodule update --recursive --quiet "$submodule" |
+  ( grep -v '^Skipping submodule' || true ) | sed "s|^|[$1] |g" 2>/dev/null
   status=$?
   if [ "$status" -ne "0" ]; then
     echo "[$solution] FAILED to update $submodule"