Script to update and publish (pull&push) all git repositories in sub-directories at once.

update_git_repos.sh

#!/bin/bash

eval $(keychain --eval id_github_rsa) # in case you use keychain to store keys. https://linux.die.net/man/1/keychain
find . -maxdepth 1 -type d -exec sh -c '(cd {} && echo $PWD && git pull && git push)' ';'

To use it on windows (with linux subsystem WSL) - create bat file with content like:

cd c:\GIT_PROJECTS_DIRECTORY
bash -c "sh ./update_git_repos.sh"