此文在阅读前需要有一定的git命令基础，若基础尚未掌握，建议先阅读这篇文章Git命令播报详版
在平常的工作中，当我们在单独拉取的功能分支中进行开发时，遇到线上出现bug需要进行紧急修复，我们需要切换到主分支，进行代码的修复。但是我们直接在本地切换到主分支，则会提示当前文件的改动会丢失。
那该怎么办呢？合理的方式应该是将功能分支的代码临时存储在某个位置，当我们切回到当前分支，读取该存储，将之前的改动恢复。
在git中，就有git stash这样的命令，完美的解决了这个问题，其将当前未提交的修改(即工作区和暂存区的修改)先暂时储藏起来。
然后我们可以通过git stash list来查看储藏记录。之后通过git stash pop命令将之前最近一次储藏的修改取出来，继续之前的工作，并同时将该储藏从储藏记录列表中删除
单次储藏及应用
我们在当前分支，添加test.md文件。
查看文件状态
git status
输出：
On branch master
Your branch is up to date with 'origin/master'.
Untracked files:
(use "git add <file>..." to include in what will be committed)
test.md
nothing added to commit but untracked files present (use "git add" to track)
添加test.md到储藏区，使之能被git进行追踪
git add test.md
查看文件状态
git status
输出：
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
new file: test.md
进行储藏
git stash
输出：Saved working directory and index state WIP on master: 709627d Initial commit
查看储藏
git stash list
输出：stash@{0}: WIP on master: 709627d Initial commit
应用最近一次储藏
git stash pop
输出：On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
new file: test.md
Dropped refs/stash@{0} (05edd0c153191fe70ef42b9e4fdf70622d0e6831)
查看储藏
git stash list
输出为空，没有储藏记录
多次储藏及应用
多次储藏会发生什么呢？
修改文件，进行储藏，重复这一步骤，再通过git stash list来查看这两次记录
git stash list
输出：
stash@{0}: WIP on master: 709627d Initial commit
stash@{1}: WIP on master: 709627d Initial commit
从上图结果中，我们发现两次储藏记录的标识信息完全一致，只有其前面的index有别。
git默认按如下规则标识储藏记录(WIP意为work in progess, index用于后面取出所对应储藏的修改)。
stash@{index}: WIP on [分支名]: [最近一次的commitID] [最近一次的提交信息]
由于我们在功能分支下的两次储藏中均未发生提交，所以其提交ID是一致的。
这样明显会带来问题，我们在多个储藏之间，无法明确需要应用哪个，需要标识下储藏记录。
可以通过命令git stash -m [stashMessage]来标记此次储藏，以便后期查看。
通过查看储藏列表的index的可以取出指定储藏中的修改到工作区
取出指定index的储藏的修改到工作区中 git stash apply index
将指定index的储藏从储藏记录列表中删除 git stash drop index
储藏记录多的话，一个个删除太麻烦，可以进行批量删除 git stash clear
修改文件，进行储藏
git stash -m "change1"
输出：Saved working directory and index state On master: change1
再次修改文件，进行储藏
git stash -m "change2"
输出：Saved working directory and index state On master: change2
查看储藏
git stash list
输出：
stash@{0}: On master: change2
stash@{1}: On master: change1
应用储藏，提交信息为"change1"
git stash apply 1
输出：
On branch master
Your branch is up to date with 'origin/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.md
no changes added to commit (use "git add" and/or "git commit -a")
查看储藏
git stash list
输出：
stash@{0}: On master: change2
stash@{1}: On master: change1
删除刚才应用的储藏
git stash drop 1
输出：Dropped refs/stash@{1} (9a6ae2acf53198fce4125161d28045c484f1b20b)
查看储藏
git stash list
输出：stash@{0}: On master: change2
再添加储藏
git stash -m "add新change"
输出：Saved working directory and index state On master: add新change
查看储藏
git stash list
输出：
stash@{0}: On master: add新change
stash@{1}: On master: change2
删除所有储藏
git stash clear
查看储藏
git stash list
输出为空，代表已经完全清除
当删除index为0项，index为1项中的index会变为0。即index会动态从0开始排序的，可看如下示例。
git stash list
输出：
stash@{0}: On master: change2
stash@{1}: On master: change1
git stash drop 0
输出：Dropped refs/stash@{0} (fb3d70dea8b439cd09cce774cf622638a341af9c)
git stash list
输出：stash@{0}: On master: change1
对特定范围文件进行储藏
默认情况下，只要在git追踪范围的文件，均可以进行储藏。我们可以进一步区分特定范围的文件进行储藏。
-
git stash [-u|--include-untracked]：对未追踪文件也进行储藏 -
git stash [-S|--staged]: 只对暂存区文件进行储藏 -
git stash [-a|--all]: 对所有文件进行储藏
提前准备好三种git状态不同的文件。新添加的文件（即为未追踪文件），工作区修改的文件，提交到暂存区的文件
git status
输出：
git status
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
modified: README.md
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.en.md
Untracked files:
(use "git add <file>..." to include in what will be committed)
test.md
对未追踪文件也进行储藏
git stash -u
输出：Saved working directory and index state WIP on master: 709627d Initial commit
查看文件状态
git status
输出：
On branch master
Your branch is up to date with 'origin/master'.
nothing to commit, working tree clean
对刚才储藏进行应用
git stash pop
输出：
On branch master
Your branch is up to date with 'origin/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.en.md
modified: README.md
Untracked files:
(use "git add <file>..." to include in what will be committed)
test.md
no changes added to commit (use "git add" and/or "git commit -a")
Dropped refs/stash@{0} (23b4e04af9cc34612f458648e838f552a1f99169)
将README.md添加到暂存区
git add README.md
查看文件状态
git status
输出：
On branch master
Your branch is up to date with 'origin/master'.
Changes to be committed:
(use "git restore --staged <file>..." to unstage)
modified: README.md
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.en.md
Untracked files:
(use "git add <file>..." to include in what will be committed)
test.md
只对暂存区文件进行储藏
git stash -S
输出：Saved working directory and index state WIP on master: 709627d Initial commit
查看文件状态
git status
输出：
On branch master
Your branch is up to date with 'origin/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.en.md
Untracked files:
(use "git add <file>..." to include in what will be committed)
test.md
no changes added to commit (use "git add" and/or "git commit -a")
重复之前步骤。将储藏进行应用，同时将README.md添加到暂存区
全部文件添加到储藏区
git stash -a
输出：Saved working directory and index state WIP on master: 709627d Initial commit
查看文件状态文章来源：https://www.toymoban.com/news/detail-475194.html
git status
输出：
On branch master
Your branch is up to date with 'origin/master'.
nothing to commit, working tree clean
若想对stash命令了解更多，可以通过命令git stash --help查阅。文章来源地址https://www.toymoban.com/news/detail-475194.html
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