# git

<https://git-scm.com/>

## Install git

::::{tab-set}
:::{tab-item} Ubuntu
:sync: ubuntu

```console
$ sudo apt install -y git
```

```console
$ git --version
git version 2.34.1
```

:::
:::{tab-item} CentOS 8
:sync: centos8

```console
$ sudo dnf install git
```

```console
$ git --version
git version 2.27.0
```

:::
:::{tab-item} macOS
:sync: macos

`git` is pre-installed on macOS Monterey.

```console
$ git --version
git version 2.37.1 (Apple Git-137.1)
```

To install a newer version:

```console
$ brew install git
$ git --version
git version 2.46.0
```

:::
::::

## Usage

### Show config

```console
$ git config -l
```

### Set config

```console
$ git config --global init.defaultBranch main
$ git config --global submodule.recurse true
$ git config --global push.recurseSubmodules check
$ git config --global url.git@github.com:.insteadOf https://github.com/
$ git config --global url.https://github.com/.insteadOf git@github.com:
$ git config --global pull.ff only
$ git config --global core.editor 'vi'
```

If you want to show unicode characters in filename:

```console
$ git config core.quotePath false
```

### Unset config

```console
$ git config --unset pull.ff
```

### See last commit

```console
$ git log -p -1
$ git show
```

Briefly, only show names and status:

```console
$ git show --name-status
```

### Stash with untracked files

```console
$ git stash --include-untracked
$ git stash -u
```

### Clean

```console
$ git clean -dxf
```

### Find the common base of two branches

```console
$ git merge-base develop main
```