的復位 - 硬和git乾淨

Question

您好我很好奇這兩個命令之間的區別。當他們在這裏介紹時：https://www.atlassian.com/git/tutorials/undoing-changes

看起來像git reset --hard也設置暫存和工作目錄以匹配最新的提交，但最終他們說git reset --hard不會改變當前工作目錄。所以我在這裏很困惑，有人能澄清它嗎？

Answer 1

他們這樣做是兩回事。比方說，你做了GIT PULL，然後開始編輯一些文件，並且可能已經添加並提交了這些更改，然後由於某種原因，您決定放棄對給定文件所做的所有更改並轉至回到以前的狀態。在情況下，你會做

$ git reflog 
... snip ... 
cf42fa2... HEAD@{0}: commit: fixed misc bugs 
~ 
~ 
cf42fa2... HEAD@{84}: commit: fixed params for ..... 
73b9363... HEAD@{85}: commit: Don't symlink to themes on deployment. 
547cc1b... HEAD@{86}: commit: Deploy to effectif.com web server. 
1dc3298... HEAD@{87}: commit: Updated the theme. 
18c3f51... HEAD@{88}: commit: Verify with Google webmaster tools. 
26fbb9c... HEAD@{89}: checkout: moving to effectif 

選擇的承諾，你要回滾到，像這樣：

git reset --hard 73b9363 

復位後頭部，所有未提交的修改/文件將會消失。

至於git的清潔。以下是git-docs的描述。

DESCRIPTION 
Cleans the working tree by recursively removing files that 
are not under version control, starting from the current directory. 

Normally, only files unknown to Git are removed, but if the -x 
option is specified, ignored files are also removed. This 
can, for example, be useful to remove all build products. 

If any optional <path>... arguments are given, only those paths are affected. 

更多關於復位VS乾淨，他們--options

lnydex99uhc:~ user$ git reset -h 
usage: git reset [--mixed | --soft | --hard | --merge | --keep] [-q] [<commit>] 
    or: git reset [-q] <tree-ish> [--] <paths>... 
    or: git reset --patch [<tree-ish>] [--] [<paths>...] 

    -q, --quiet   be quiet, only report errors 
    --mixed    reset HEAD and index 
    --soft    reset only HEAD 
    --hard    reset HEAD, index and working tree 
    --merge    reset HEAD, index and working tree 
    --keep    reset HEAD but keep local changes 
    -p, --patch   select hunks interactively 

VS

lnydex99uhc:~ user$ git clean -h 
    usage: git clean [-d] [-f] [-i] [-n] [-q] [-e <pattern>] [-x | -X] [--] <paths>... 

     -q, --quiet   do not print names of files removed 
     -n, --dry-run   dry run 
     -f, --force   force 
     -i, --interactive  interactive cleaning 
     -d     remove whole directories 
     -e, --exclude <pattern> 
           add <pattern> to ignore rules 
     -x     remove ignored files, too 
     -X     remove only ignored files 


    [1]: http://git-scm.com/docs/git-clean