A git bash script to be run in windows using git-bash

#!/bin/bash
now=$(date +"%m_%d_%Y")

cd /e/DB_Structure_VersionControl

git add .
git commit . -m "Automatic Nightly Commit $now" 

From Windows you could start this with something like

sqlps -Command "&{C:\scripts\dbvc\dbvc.ps1}"

"C:\Program Files\Git\bin\sh.exe" --login -i -- C:\scripts\dbvc\vcbash