zsh-git-fzf.plugin.zsh

#!/usr/bin/env zsh

source "$(dirname "$0")/src/operations/worktree"
source "$(dirname "$0")/src/operations/status"
source "$(dirname "$0")/src/operations/branch"
source "$(dirname "$0")/src/operations/checkout"
source "$(dirname "$0")/src/operations/diff"
source "$(dirname "$0")/src/operations/log"
source "$(dirname "$0")/src/operations/stash"
source "$(dirname "$0")/src/operations/reflog"
source "$(dirname "$0")/src/helpers"

_help() {
    local PREFIX="git-fzf"

    echo -e "alias git-fzf = gfzf = gf\n"
    echo "Usage:"
    echo -e "\t${PREFIX} worktree: Worktree operations"
    echo -e "\t${PREFIX} status: Show paths that have differences between the index file and the current HEAD commit"
    echo -e "\t${PREFIX} branch: Show both local and remote branches"
    echo -e "\t${PREFIX} checkout: Switch branches"
    echo -e "\t${PREFIX} diff: Show changes between commits, commit and working tree, etc"
    echo -e "\t${PREFIX} stash: Show stash entities"
    echo -e "\t${PREFIX} reflog: Show reflog entities"
    echo -e "\t${PREFIX} log: Show commit logs"
    echo -e "\t${PREFIX} upgrade: Upgrade zsh-git-fzf plugin"
}

_upgrade_plugin() {
    local HOLD_PATH=$PWD

    pushd ~/.oh-my-zsh/custom/plugins/zsh-git-fzf > /dev/null

    # TODO: is there anything better than this? for checking if the repository needs pull
    git fetch &> /dev/null
    diffs=$(git diff master origin/master)

    if [ -z "$diffs" ]
    then
        colorful_echo "Already up to date"
        pushd $HOLD_PATH > /dev/null
        return 0
    fi

    git pull
    colorful_echo "zsh-git-fzf plugin has been upgraded successfully. Restart your shell or reload config file(source ~/.zshrc)."
    pushd $HOLD_PATH > /dev/null
}

git-fzf() {
    if ! hash fzf 2>/dev/null; then
        colorful_echo "You need to install fzf: https://github.com/junegunn/fzf" "RED"
        return 1
    fi

    local OPERATION=$1
    [ -z $OPERATION ] && _help && return 0
    [ $OPERATION = "upgrade" ] && _upgrade_plugin && return 0

    local IS_GIT_REPOSITORY="$(git rev-parse --is-inside-work-tree 2>/dev/null)"
    if [[ ! $IS_GIT_REPOSITORY ]]; then
        colorful_echo "You need to be inside a git repository" "RED"
        return 1
    fi

    if [ $OPERATION = "worktree" ]; then
        _worktree ${@:2} # pass all arguments except the first one(add)
    elif [ $OPERATION = "status" ]; then
        _status
    elif [ $OPERATION = "branch" ]; then
        _branch
    elif [ $OPERATION = "checkout" ]; then
        _checkout
    elif [ $OPERATION = "diff" ]; then
        _diff
    elif [ $OPERATION = "stash" ]; then
        _stash
    elif [ $OPERATION = "reflog" ]; then
        _reflog
    elif [ $OPERATION = "log" ]; then
        _log
    else
        _help
    fi
}

alias gfzf="git-fzf"
alias gf="git-fzf"