POSIX-compliant commands to automate common Git tasks

git-aliases.sh

# Display commits from HEAD while counting them (useful for rebase).
alias gloc="git log --oneline --decorate --color | cat -n | less"

# Create a temporary branch squashing the changes of the current branch into another one.
function gcotb {
  CURRENT_BRANCH=$(git branch --show-current)
  DEFAULT_BRANCH=$(git symbolic-ref refs/remotes/origin/HEAD --short | sed 's@^origin/@@')

  if [ -n "$1" ] ;then
    DEFAULT_BRANCH=$1
  fi

  echo -n "Would you like to create a temporary branch squashing \"$CURRENT_BRANCH\" into \"$DEFAULT_BRANCH\"? (y/N) "
  read answer

  if [ "$answer" != "${answer#[Yy]}" ] ;then
    TEMP_BRANCH=temp/squash_$(date -u +%Y%m%d%H%M%S)
    git checkout $DEFAULT_BRANCH && git pull
    git checkout -b $TEMP_BRANCH && git push -u origin $TEMP_BRANCH
    git squash $CURRENT_BRANCH && git add -A
    git commit -m "chore: squashed commits from \"$CURRENT_BRANCH\""
    git push
  else
    echo "Operation aborted."
  fi
}

# Create a new branch based on the current one and push it to the remote.
function gcob {
  echo "You're on branch \"$(git branch --show-current)\"."
  git pull
  echo "Creating branch with name \"$1\"."
  git checkout -b $1
  echo "Pushing branch to remote."
  git push --set-upstream origin $1
}

# Delete a branch both on local and remote.
function gdel {
  echo "Deleting branch \"$1\" both locally and remotely is a destructive operation."
  echo -n "Do you want to proceed anyway? (y/N) "
  read answer
  if [ "$answer" != "${answer#[Yy]}" ] ;then
    git branch -d $1 & git push origin --delete $1
    echo "Branch \"$1\" deleted."
  else
    echo "Operation aborted."
  fi
}