cd /e/builds/beta-253
# git config --global user.email "xxxxxxx@xxxxnet"
# git config --global user.name "xxxxxxxxxxxxxxxxxx"

Clone:
# add git path C:\Program Files\Git\cmd; to start-shell.bat
git.exe clone https://gitlab.com/seamonkey-project/seamonkey-2.53-comm.git comm-release
git.exe clone https://gitlab.com/seamonkey-project/seamonkey-2.53-mozilla.git comm-release/mozilla
git.exe clone https://gitlab.com/seamonkey-project/seamonkey-2.53-l10n.git l10n
cd comm-release
git checkout 2_53_8_beta_01
cd mozilla
git checkout 2_53_8_beta_01
cd ../..
cd l10n
git checkout 2_53_8_beta_01
cd ..

#New branch
#cd /e/builds/beta-253/comm-release
#git.exe checkout -b foo-tmp-branch