• Some basic pre-requisites:

  apt install software-properties-common

• Set up repository:

  curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | bash

• Install from repository:

  apt install git-lfs

• Each user will need to do: git lfs install

• Show basic history for a file:

  git log --all -- path/to/file.ext

• Show all pull/push activity:

  git reflog show --date=iso origin/master

• Show commit hash and comment

  git log --abbrev-commit --pretty=oneline 228d0ae de36d78
  git log --pretty=oneline 228d0ae de36d78

• Show everything in the commit for hash

  git show d9ekhg9alk239d94dkd949dksc0dkgkls90fds93

• Show commit info for hash

  git show d9ekhg9alk239d94dkd949dksc0dkgkls90fds93 | head -6

• Show files changed for commit

  git show d9ekhg9alk239d94dkd949dksc0dkgkls90fds93 | grep "^diff --git"

git tag new old
git tag -d old
git push origin :refs/tags/old
git push --tags

The colon in the push command removes the tag from the remote repository. If you don't do this, git will create the old tag on your machine when you pull.

Ensure that the other developers/users remove the deleted tag by running the following command:

git pull --prune --tags

• In ./git/hooks/update before section # — Config:

  	if [ "$refname" == "refs/heads/master" ]; then
  		if [ "$USER" != "<someadminuser>" ]; then
  			echo "POLICY: you are not allowed to change the master branch !"
  			exit 1
  		else
  			echo "POLICY: $USER allowed to change the master branch ..."
  		fi
  	fi

• git config receive.denyCurrentBranch ignore
• Edit .git/description

git symbolic-ref HEAD refs/heads/thebranch

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