git

git์ด ์กด์žฌํ•˜๋Š” ์ด์œ 

  • version

  • backup

  • collaborate

๊ฐœ๋…

  • Working Tree - ํŒŒ์ผ์„ ๋งŒ๋“ค๊ณ  ์ˆ˜์ •ํ–ˆ์ง€๋งŒ ์ €์žฅ์†Œ์—” X

  • Staging Area - ๋ฒ„์ „์œผ๋กœ ๋งŒ๋“ค๊ณ  ์‹ถ์€ ํŒŒ์ผ๋“ค์„ ๋„ฃ์–ด๋‘๋Š” ๊ณณ

  • Repository - ์ €์žฅ์†Œ

๋ฒ„์ „๊ด€๋ฆฌ ๋ช…๋ น์–ด

์ดˆ๊ธฐ ์„ค์ •

## Initialized empty Git repository in /Users/...  
git init .

## ํŒŒ์ผ ๋งŒ๋“ค๊ธฐ
nano hello1.txt
touch hello2.txt

## ํŒŒ์ผ ๋‚ด์šฉํ™•์ธํ•˜๊ธฐ
cat hello1.txt

log๋ณ„ ํŒŒ์ผ์„ ๋ณด๋Š” ๋ฐฉ๋ฒ•

diff ์ฐจ์ด์  ํ™•์ธ

checkout ์‹œ๊ฐ„์—ฌํ–‰

commit -am

git commit ์ˆ˜์ •ํ•˜๊ธฐ

reset ๋ฒ„์ „์œผ๋กœ resetํ•˜๊ธฐ

revert commit์˜ ๋ณ€ํ™”๋ฅผ ์ทจ์†Œํ•˜๊ธฐ

Branch & Conflict

log ์˜ต์…˜์œผ๋กœ ํ™•์ธํ•˜๊ธฐ

branch

๋‹ค๋ฅธ ๋ธŒ๋žœ์น˜์˜ ๋‚ด์šฉ์„ master์— ํ•ฉ์น˜๊ธฐ

### ์ถฉ๋Œ์ด ๋‚ฌ์„ ๋•Œ

p4Merge

Merge๋ฅผ ๋„์™€์ค€๋‹ค.

์ฐธ๊ณ  https://gist.github.com/tony4d/3454372

git workflow (git flow) ์™€ cherry-pick์™€ rebase

git workflow ๊ทœ์น™์„ ์ ์šฉํ•˜๊ธฐ

cherry-pick์„ ์ด์šฉํ•˜์—ฌ ํ•„์š”ํ•œ ๋ถ€๋ถ„๋งŒ ๋ณ‘ํ•ฉํ•˜๊ธฐ

rebase ๊ณต๊ฐ„์„ ๋„ฃ์–ด๋‘๊ณ  ๋ณ‘ํ•ฉํ•˜๊ธฐ

์ถ”ํ›„ ๊ณต๋ถ€๊ฐ€ ๋” ํ•„์š”

HEAD์™€ Branch์™€ commit

Detached

Head๊ฐ€ ๋”์ด์ƒ branch๋ฅผ ๊ฐ€๋ฆฌํ‚ค์ง€ ์•Š๊ณ  ์ €์žฅ์†Œ๋ฅผ ๊ฐ€๋ฆฌํ‚ฌ๋•Œ

checkout vs reset

  • checkout (change)

    HEAD๋ฅผ ์ œ์–ดํ•œ๋‹ค.

  • reset (delete ๋А๋‚Œ..)

    ๋ธŒ๋žœ์น˜ / ์ €์žฅ์†Œ๋ฅผ ๊ฐ€๋ฅดํ‚ค๋Š” ์ €์žฅ์†Œ๋ฅผ ๊ฐ€๋ฆฌํ‚จ๋‹ค.

backup

  • HTTP

    ๋ณด์•ˆ์ด์Šˆ๊ฐ€ ์žˆ๋‹ค.

  • SSH

    ๋ณด์•ˆ ๋ฌธ์ œ๋Š” ์—†์ง€๋งŒ ์‚ฌ์šฉํ•˜๊ธฐ์— ๊ณต๋ถ€๊ฐ€ ํ•„์š”

์›๊ฒฉ ์ €์žฅ์†Œ ์—ฐ๊ฒฐํ•˜๊ธฐ

clone

pull

ํ˜‘์—…

rejected

pushํ›„ rejected๊ฐ€ ๋œฌ๋‹ค๋ฉด ๋‹ค๋ฅธ์‚ฌ๋žŒ์ด ์ž‘์—…ํ•œ ๊ฒƒ์„ pull๋ฐ›์ง€ ์•Š์•„ ์ƒ๊ธด์ผ

git fetch -> git merge FETCH_HEAD -> commit -> push

๋ฅผ ํ†ตํ•ด pull -> commit -> push์™€ ๋˜‘๊ฐ™์€ ์ผ์„ ํ•  ์ˆ˜ ์žˆ๋‹ค.

(HEAD -> master, origin/master)

HEAD๋Š” ๋กœ์ปฌ์ €์žฅ์†Œ์ธ master๋ฅผ ๊ฐ€๋ฆฌํ‚ค๊ณ  ์›๊ฒฉ์ €์žฅ์†Œ๋Š” origin/master๋ผ๋Š” ๋œป์ด๋‹ค.

๋ฐ˜๋ณต์ ์ธ origin/master ํ”ผํ•˜๊ธฐ FETCH_HEAD

patch

๊ถŒํ•œ์ด ์—†๋Š”๋ฐ ์ „๋‹ฌํ•ด์ฃผ๊ณ  ์‹ถ์€๊ฒฝ์šฐ

pull request

ํฌํฌํ›„ ์˜ค๋ฆฌ์ง„ ๋ ˆํŒŒ์ง€ํ† ๋ฆฌ์— ์š”์ฒญํ•  ์ˆ˜ ์žˆ๋‹ค.

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