My custom git workflow

.gitworkflow.zsh

#!/usr/bin/env zsh
# Author: @Saafo
# License: MIT

# MARK: rebase workflow

function grc() {( set -e
  case "$1" in -h|help|--help)
    echo "grc: git fetch && git rebase origin/HEAD --autostash"
    return;;
  esac

  readonly local REMOTE_MAIN_BRANCH=$(git rev-parse --abbrev-ref origin/HEAD)
  git fetch
  git rebase "$REMOTE_MAIN_BRANCH" --autostash
)}

function grr() {( set -e
  case "$1" in -h|help|--help)
    echo "grr: git stash && checkout main branch && fetch && pull && checkout back &&"
    echo "rebase main branch && stash pop"
    return;;
  esac

  readonly local CURRENT_BRANCH=$(git rev-parse --abbrev-ref HEAD)
  readonly local MSG_WITH_NOW="GRR Auto-Stash: $(date "+%Y-%m-%d %H:%M:%S %z")"
  readonly local MAIN_BRANCH=$(git rev-parse --abbrev-ref origin/HEAD | sed 's/origin\///')
  git stash -u -m "$MSG_WITH_NOW"
  git checkout "$MAIN_BRANCH"
  git fetch
  git pull
  git checkout "$CURRENT_BRANCH"
  git rebase "$MAIN_BRANCH"
  if [ $(git stash list | grep -c "$MSG_WITH_NOW") -gt 0 ]; then
    git stash pop --index
  fi
  readonly local GREEN='\033[0;32m'
  echo "${GREEN}GRR Succeeded!"
)}

function gcos() {( set -e
  case "$1" in -h|help|--help)
    echo "gcos: stash current, fetch and checkout \$1"
    return;;
  esac

  readonly local MSG_WITH_NOW="GCOS Auto-Stash: $(date "+%Y-%m-%d %H:%M:%S %z")"
  git stash -u -m "$MSG_WITH_NOW"
  git fetch
  git checkout "$1"
  if [ $(git stash list | grep -c "$MSG_WITH_NOW") -gt 0 ]; then
    git stash pop --index
  fi
)}

# MARK: worktree workflow

function gwa() {
  local TEMP_PATH="/tmp/gwf_gwa_target_path-$(uuidgen)"
  (set -e
    case "$1" in -h|help|--help)
      printf "gwa: add a new git worktree\n\n"
      printf "Usage:\n"
      printf "  gwa <target-branch> [<source-branch>]\n\n"
      printf "Options:\n"
      printf "  <target-branch>: Using this branch as the new worktree's branch.\n"
      printf "                   The branch can be:\n"
      printf "                   * existed in local:  will checkout the local branch.\n"
      printf "                   * existed in remote: will checkout a local branch from the remote branch.\n"
      printf "                   * non-existed:       will create a new branch from <source-branch> (--no-track).\n"
      printf "  <source-branch>: Using this branch as the source branch if <target-branch> is not existed.\n"
      printf "                   This param is optional, by default it will be origin/HEAD.\n"
      printf "                   If specified, the branch can be exist in local or remote, but it must exist.\n"
      printf "Note:\n"
      printf "  You can use this command from any directory of the entire git repo, \n"
      printf "  and by the end this command will jump to the new created worktree \n"
      printf "  located at <main-gitrepo>/../<main-gitrepo>-<last-part-of-target-branch-name>/\n"
      return;;
    esac

    readonly local GREEN='\033[0;32m'
    readonly local RED='\033[0;31m'
    readonly local COLOR_OFF='\033[0m'
    git fetch
    if git rev-parse --verify --quiet "$1" > /dev/null; then
      echo "${GREEN}Local branch $1 exists, skip creating branch${COLOR_OFF}"
    elif git rev-parse --verify --quiet "origin/$1" > /dev/null; then
      git branch "$1" "origin/$1"
      echo "${GREEN}Remote branch "origin/$1" exists, forking to local${COLOR_OFF}"
    else
      readonly local REMOTE_MAIN_BRANCH=$(git rev-parse --abbrev-ref origin/HEAD)
      local SOURCE_BRANCH="$REMOTE_MAIN_BRANCH"
      if [ -n "$2" ]; then
        if git rev-parse --verify --quiet "$2" > /dev/null; then
          local SOURCE_BRANCH="$2"
        elif git rev-parse --verify --quiet "origin/$2" > /dev/null; then
          local SOURCE_BRANCH="origin/$2"
        else
          echo "${RED}Neither $2 nor origin/$2 exist, please specify valid source branch${COLOR_OFF}"
          return 1
        fi
      fi
      git branch "$1" --no-track "$SOURCE_BRANCH"
      echo "${GREEN}Branch $1 not exist, creating from $SOURCE_BRANCH${COLOR_OFF}"
    fi
    readonly local FEAT_NAME=$(echo $1 | rev | cut -d/ -f1 | rev)
    readonly local MAIN_REPO_PATH=$(dirname $(readlink -f $(git rev-parse --git-common-dir)))
    readonly local MAIN_REPO_NAME=$(basename ${MAIN_REPO_PATH})
    readonly local MAIN_REPO_PARENT_PATH=$(dirname ${MAIN_REPO_PATH})
    readonly local TARGET_FOLDER_PATH="${MAIN_REPO_PARENT_PATH}/${MAIN_REPO_NAME}-${FEAT_NAME}"
    git worktree add ${TARGET_FOLDER_PATH} "$1"
    echo "TARGET_FOLDER_PATH=${TARGET_FOLDER_PATH}" > ${TEMP_PATH}
    echo "${GREEN}Create new worktree successfully at ${TARGET_FOLDER_PATH}, jumping to there"
  )
  if [[ -s ${TEMP_PATH} ]]; then
    source ${TEMP_PATH}
    if [[ -n ${TARGET_FOLDER_PATH} ]]; then
      cd ${TARGET_FOLDER_PATH}
      unset TARGET_FOLDER_PATH
    fi
    command -v trash &> /dev/null && trash ${TEMP_PATH} || rm ${TEMP_PATH}
  fi
}

function gwd() {
  local TEMP_PATH="/tmp/gwf_gwd_target_path-$(uuidgen)"
  (set -e
    case "$1" in 
      -h|help|--help)
        echo "gwd: removing current worktree and ask whether delete current branch."
        echo "Usage:"
        echo "  gwd [-f]"
        echo "Options:"
        echo "  -f  force delete current branch and worktree without confirming, and exit current shell."
        return;;
      -f|--force)
        readonly local FORCE_DELETE=true;;
    esac

    readonly local MAIN_REPO_PATH=$(dirname $(readlink -f $(git rev-parse --git-common-dir)))
    readonly local CURRENT_REPO_PATH=$(git rev-parse --show-toplevel)
    readonly local CURRENT_BRANCH_NAME=$(git rev-parse --abbrev-ref HEAD)

    readonly local GREEN='\033[0;32m'
    readonly local RED='\033[0;31m'
    readonly local COLOR_OFF='\033[0m'
    echo "${RED}will removing current worktree: ${CURRENT_REPO_PATH}"
    echo "and current branch: ${CURRENT_BRANCH_NAME}${COLOR_OFF}"

    function confirm() {
      read -r "RESPONSE?$1 (y/n)?"
      [[ ${RESPONSE:l} == "y" || -z ${RESPONSE} ]]
    }
    if [[ -n ${FORCE_DELETE} ]] || confirm "continue"; then
      printf "\ndeleting worktree...\n"
      git worktree remove ${CURRENT_REPO_PATH} || {
        printf "\ngit status:\n"
        git status --short
        if [[ -n ${FORCE_DELETE} ]] || confirm "force delete worktree"; then
          printf "\nforce deleting worktree...\n"
          git worktree remove -f ${CURRENT_REPO_PATH}
        else
          return
        fi
      }
      cd ${MAIN_REPO_PATH}
      printf "\ndeleting branch...\n"
      git branch -d ${CURRENT_BRANCH_NAME} || {
        if [[ -n ${FORCE_DELETE} ]] || confirm "force delete branch ${CURRENT_BRANCH_NAME}"; then
          echo "" #return a new line
          git branch -D ${CURRENT_BRANCH_NAME}
        fi
      }
      echo "MAIN_REPO_PATH=${MAIN_REPO_PATH}" >> ${TEMP_PATH}
      echo "FORCE_DELETE=${FORCE_DELETE}" >> ${TEMP_PATH}
      echo "${GREEN}Delete worktree successfully, jumping to main repo${COLOR_OFF}"
    fi
  )
  if [[ -s ${TEMP_PATH} ]]; then
    source ${TEMP_PATH}
    command -v trash &> /dev/null && trash ${TEMP_PATH} || rm ${TEMP_PATH}
    if [[ -n ${FORCE_DELETE} ]]; then
      exit
    fi
    if [[ -n ${MAIN_REPO_PATH} ]]; then
      cd ${MAIN_REPO_PATH}
    fi
    unset MAIN_REPO_PATH
    unset FORCE_DELETE
  fi
}

Install this script to ~/.zshrc:

curl -sLf https://gist.githubusercontent.com/Saafo/d789f58ea84ab0caa90ddbf47da1404f/raw/138487f98dd8f0931484cdbc31d9e83c754921a1/.gitworkflow.zsh -o ~/.gitworkflow.zsh && echo "source ~/.gitworkflow.zsh" >> ~/.zshrc