See also https://git-scm.com/downloads

=========================================
Save password locally? Try
git config credential.helper store

=========================================
New remote tag:

git tag -a TAGNAME -m "tag TAGNAME"
git push origin TAGNAME


=========================================
New remote branch:

git checkout -b BRANCHNAME
git push -u origin BRANCHNAME

git checkout -b 2019.01.14_release_1.19.1
git push -u origin 2019.01.14_release_1.19.1

new remote branch from another branch:
git checkout -b stable_19.1.rusefi stable_19.1.x
git push -u origin stable_19.1.rusefi


=========================================
Download submodules:

git submodule update --init

=========================================
Refresh submodules:

git submodule update --recursive --remote

=========================================

Generate diff of specific commit

   git diff COMMIT^ COMMIT
(this generates diff between previous to COMMIT and COMMIT)
=========================================

Diff between two branches

git diff origin/stable_17.6.x origin/stable_17.6.rusefi
git diff origin/stable_18.2.x origin/stable_18.2.rusefi --ignore-space-at-eol
=========================================

https://help.github.com/articles/configuring-a-remote-for-a-fork/

git remote -v
git remote add upstream https://github.com/ChibiOS/ChibiOS.git
 or
git remote add upstream https://github.com/RomRaider/RomRaider
git remote -v

See also git_scripts/git_add_upstream.bat

=========================================
Cherry-pick from fork
git remote add mck1117 https://github.com/mck1117/rusefi
git fetch mck1117
git cherry-pick 0b004bb2af9c16a79225bd875f0046392993d957
git push

=========================================
https://help.github.com/articles/syncing-a-fork/
git fetch upstream
git merge upstream/stable_18.2.x
 or
git merge upstream/master
git push


http://stackoverflow.com/questions/9646167/clean-up-a-fork-and-restart-it-from-the-upstream

See also git_scripts/git_reset_to_upstream.bat

=========================================
https://stackoverflow.com/questions/19279490/can-i-fork-another-persons-repo-twice-into-my-own-account

git clone http://github.com/RomRaider/RomRaider RomRaider_copy_2
cd RomRaider_copy_2
git remote remove origin
git remote add origin https://github.com/rusefi/RomRaider_copy_2.git
git push -u origin master

=============================
rusEfi .git folder take about 500M on disk. Is it possible to reduce this size?

A proper answer is to split or re-create rusefi repo, but in the meantime:

See git_gc.bat