distributed
单词)Git is a distributed version control system.
Git is free software.
$ git status
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")
git status
命令可以让我们时刻掌握仓库当前的状态,上面的命令输出告诉我们,readme.txt
被修改过了,但还没有准备提交的修改。
readme.txt
被修改了,但如果能看看具体修改了什么内容,自然是很好的。比如你休假两周从国外回来,第一天上班时,已经记不清上次怎么修改的readme.txt
,所以,需要用git diff
这个命令看看:
$ git diff readme.txt
diff --git a/readme.txt b/readme.txt
index d8036c1..013b5bc 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 free software.
git diff
顾名思义就是查看difference
,显示的格式正是Unix通用的diff格式,可以从上面的命令输出看到,我们在第一行添加了一个distributed
单词。
readme.txt
作了什么修改后,再把它提交到仓库就放心多了,提交修改和提交新文件是一样的两步,第一步是git add
:
$ git add readme.txt
git commit
之前,我们再运行git status
看看当前仓库的状态:$ git status
On branch master
Changes to be committed:
(use "git reset HEAD <file>..." to unstage)
modified: readme.txt
$ git commit -m "add distributed"
[master 4ee7803] add distributed
1 file changed, 1 insertion(+), 1 deletion(-)
$ git status
On branch master
nothing to commit, working tree clean
(working tree clean)
的。git status
命令。
git status
告诉你有文件被修改过,用git diff
可以查看修改内容。