git创建库

WMW@WMWGO MINGW64 /f
$ cd e:               # 切换到 E 盘

WMW@WMWGO MINGW64 /e
$ mkdir learngit      # 创建空目录

WMW@WMWGO MINGW64 /e
$ cd learngit         # 切换到 learngit 目录

WMW@WMWGO MINGW64 /e/learngit
$ pwd                 # 显示当前目录
/e/learngit

WMW@WMWGO MINGW64 /e/learngit
$ git init              # 初始化空仓库，目录下会多一个 .git 目录
Initialized empty Git repository in E:/learngit/.git/

WMW@WMWGO MINGW64 /e/learngit (master)
$ ls -ah              # 显示隐藏的 .git 目录
./  ../  .git/

WMW@WMWGO MINGW64 /e/learngit (master)
$ git add readme.txt  # 将文件添加到仓库（先把 readme.txt 文件置于 learngit 目录下）

WMW@WMWGO MINGW64 /e/learngit (master)
$ git commit -m "wrote a readme file" 
                      # 把文件提交到仓库,引号内为说明
[master (root-commit) c08a390] wrote a readme file
 1 file changed, 2 insertions(+)
 create mode 100644 readme.txt

WMW@WMWGO MINGW64 /e/learngit (master)
$ git status          # 查看仓库当前状态（先修改下文件内容），下方提示文件的修改未提交
On branch master
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
        modified:   readme.txt

no changes added to commit (use "git add" and/or "git commit -a")

WMW@WMWGO MINGW64 /e/learngit (master)
$ git diff             # 查看文件内容变化
diff --git a/readme.txt b/readme.txt
index 0065b6f..0a30af0 100644
--- a/readme.txt
+++ b/readme.txt
@@ -1,2 +1,2 @@
-Git is a version control system.
+Git is a distributed version control system.
 Git is a free software.
\ No newline at end of file

WMW@WMWGO MINGW64 /e/learngit (master)
$ git add readme.txt    # 将修改后的文件添加到仓库

WMW@WMWGO MINGW64 /e/learngit (master)
$ git status            # 查看当前仓库状态，下方提示文件的修改将被提交
On branch master
Changes to be committed:
  (use "git restore --staged <file>..." to unstage)
        modified:   readme.txt

WMW@WMWGO MINGW64 /e/learngit (master)
$ git commit -m "add contribute"
                        # 提交修改
[master 79ac4c7] add contribute
 1 file changed, 1 insertion(+), 1 deletion(-)

WMW@WMWGO MINGW64 /e/learngit (master)
$ git status            # 查看当前查看状态，下方提示没有需要提交的修改
On branch master
nothing to commit, working tree clean

WMW@WMWGO MINGW64 /e/learngit (master)
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