README.sh

# Usage
chmod a+x barenaked_repos.sh
./barenaked_repos.sh

# To be able to interact with the created structure you can import the aliases and paths your bash session:
source ./environment.sh

# to clean up and start again
rm -rf ${HOME}/test_bare/shared_volume

# to remove everything
rm -rf ${HOME}/test_bare

barenaked_repos.sh

#! /usr/bin/env sh

# Set up a few shorter path variables
SANDBOX=${HOME}/test_bare

# Remote
GITHUB_REPO=${SANDBOX}/remote/github_repo

# Local
## Workspaces
LOCAL_WORKSPACES=${SANDBOX}/shared_volume/workspaces
WORKSPACE_STEFFIE=${LOCAL_WORKSPACES}/steffie
WORKSPACE_MARKUS=${LOCAL_WORKSPACES}/markus

## Repos
LOCAL_REPOS=${SANDBOX}/shared_volume/repos
CENTRAL_REPO=${LOCAL_REPOS}/central
REPO_STEFFIE=${LOCAL_REPOS}/steffie
REPO_MARKUS=${LOCAL_REPOS}/markus

# Create empty directory structure
mkdir -p ${SANDBOX}/remote ${WORKSPACE_STEFFIE} ${WORKSPACE_MARKUS}

# Set up a fake GitHub repo
if [ ! -d "${GITHUB_REPO}" ]; then 
    git clone --bare [email protected]:michael-yuji/xc.git ${GITHUB_REPO}
fi

# Create the shared volume central repo
git clone --bare ${GITHUB_REPO} ${CENTRAL_REPO}

# Setup new user-specific local repos
git clone --bare ${CENTRAL_REPO} ${REPO_STEFFIE}
git clone --bare ${CENTRAL_REPO} ${REPO_MARKUS}

# Set up a few handy aliases.
# You could also add them to your .bash_profile
alias git_steffie='/usr/bin/env git --git-dir=${REPO_STEFFIE} --work-tree=${WORKSPACE_STEFFIE}'
alias git_markus='/usr/bin/env git --git-dir=${REPO_MARKUS} --work-tree=${WORKSPACE_MARKUS}'

# Set up some remotes
git_steffie remote add github_repo ${GITHUB_REPO}
git_steffie remote add central_repo ${CENTRAL_REPO}
git_markus remote add github_repo ${GITHUB_REPO}
git_markus remote add central_repo ${CENTRAL_REPO}

# Checkout existing branches in each user workspace
git_steffie checkout main
git_steffie diff
git_steffie status

git_markus checkout jailfile
git_markus diff
git_markus status

# Let's change some code...
echo 'A shorter README' > ${WORKSPACE_MARKUS}/README.md
git_markus diff
git_markus status

# ... and commit it
git_markus commit -am "Write a clearly much better README"
git_markus diff
git_markus status
git_markus log -2

# ... and push it back to the central repo
git_markus push central_repo jailfile

# Let's add a new user (Gonçalo) from scratch
WORKSPACE_GONCALO=${LOCAL_WORKSPACES}/goncalo
mkdir -p ${WORKSPACE_GONCALO}
REPO_GONCALO=${LOCAL_REPOS}/goncalo
alias git_goncalo='/usr/bin/env git --git-dir=${REPO_GONCALO} --work-tree=${WORKSPACE_GONCALO}'
git_goncalo clone --bare ${CENTRAL_REPO} ${REPO_GONCALO}
git_goncalo remote add github_repo ${GITHUB_REPO}
git_goncalo remote add central_repo ${CENTRAL_REPO}
git_goncalo checkout jailfile
cat ${WORKSPACE_GONCALO}/README.md

# We can make everyone aware of everyone else
# though that would probably not be a good idea in our case
git_steffie remote add repo_markus ${REPO_MARKUS}
git_steffie remote add repo_goncalo ${REPO_GONCALO}

git_markus remote add repo_steffie ${REPO_STEFFIE}
git_markus remote add repo_goncalo ${REPO_GONCALO}

git_goncalo remote add repo_steffie ${REPO_STEFFIE}
git_goncalo remote add repo_markus ${REPO_MARKUS}

git_steffie fetch --all
git_markus fetch --all
git_goncalo fetch --all

# Push repo_goncalo/jailfile to repo_steffie
git_goncalo push repo_steffie jailfile
git_steffie checkout jailfile
cat ${WORKSPACE_STEFFIE}/README.md
git_steffie diff
git_steffie status

# We could also push directly to GitHub
# Though this would again probably not be a good idea in our case
git_steffie push github_repo --all

environment.sh

#! /usr/bin/env sh

# Set up a few shorter path variables
SANDBOX=${HOME}/test_bare

# Remote
GITHUB_REPO=${SANDBOX}/remote/github_repo

# Local
## Workspaces
LOCAL_WORKSPACES=${SANDBOX}/shared_volume/workspaces
WORKSPACE_STEFFIE=${LOCAL_WORKSPACES}/steffie
WORKSPACE_MARKUS=${LOCAL_WORKSPACES}/markus
WORKSPACE_GONCALO=${LOCAL_WORKSPACES}/goncalo

## Repos
LOCAL_REPOS=${SANDBOX}/shared_volume/repos
CENTRAL_REPO=${LOCAL_REPOS}/central
REPO_STEFFIE=${LOCAL_REPOS}/steffie
REPO_MARKUS=${LOCAL_REPOS}/markus
REPO_GONCALO=${LOCAL_REPOS}/goncalo

alias git_steffie='/usr/bin/env git --git-dir=${REPO_STEFFIE} --work-tree=${WORKSPACE_STEFFIE}'
alias git_markus='/usr/bin/env git --git-dir=${REPO_MARKUS} --work-tree=${WORKSPACE_MARKUS}'
alias git_goncalo='/usr/bin/env git --git-dir=${REPO_GONCALO} --work-tree=${WORKSPACE_GONCALO}'