TungNT (Blue)

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====== Git ======

===== Cài đặt và cấu hình =====

<code>
$ apt-get install git
$ git config --global user.name "TungNT"
$ git config --global user.email "tungnt.blue@gmail.com"
</code>

===== Tạo SSH Key =====

<code>
$ ssh-keygen -t rsa -b 4096 -C "tungnt.blue@gmail.com"
</code>

==== Tạo nhiều tài khoản ssh key ====

<code>
$ ssh-keygen -t rsa -b 4096 -C “tungnt.blue@gmail.com”
Generating public/private rsa key pair.
Enter file in which to save the key (/var/root/.ssh/id_rsa): id_rsa_tungntblue
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in id_rsa_tungntblue.
Your public key has been saved in id_rsa_tungntblue.pub.
$ ssh-keygen -t rsa -b 4096 -C “nguyentung@mobgame.vn”
Generating public/private rsa key pair.
Enter file in which to save the key (/var/root/.ssh/id_rsa): id_rsa_nguyentung
Enter passphrase (empty for no passphrase): 
Enter same passphrase again: 
Your identification has been saved in id_rsa_nguyentung.
Your public key has been saved in id_rsa_nguyentung.pub.
The key fingerprint is:
$ ls -la /var/root/.ssh/
-rw-------   1 root  wheel  3243 Nov  1 10:26 id_rsa
-rw-r--r--   1 root  wheel   747 Nov  1 10:26 id_rsa.pub
-rw-------   1 root  wheel  3243 Nov  1 22:24 id_rsa_nguyentung
-rw-r--r--   1 root  wheel   753 Nov  1 22:24 id_rsa_nguyentung.pub
-rw-------   1 root  wheel  3243 Nov  1 22:21 id_rsa_tungntblue
-rw-r--r--   1 root  wheel   753 Nov  1 22:21 id_rsa_tungntblue.pub
-rw-r--r--   1 root  wheel  5036 Nov  1 10:23 known_hosts
</code>

**Add các key:**

<code>
$ ssh-add ~/.ssh/id_rsa_tungntblue
Identity added: /var/root/.ssh/id_rsa_tungntblue (/var/root/.ssh/id_rsa_tungntblue)
$ ssh-add ~/.ssh/id_rsa_nguyentung
Identity added: /var/root/.ssh/id_rsa_nguyentung (/var/root/.ssh/id_rsa_nguyentung)
$ ssh-add -l
4096 SHA256:HntA0FUgaD0ELTaHSU/h0SfTAKVPkJ9xEjnP6aXyCvM /var/root/.ssh/id_rsa_tungntblue (RSA)
4096 SHA256:2cJDMSnLCJPnd6K4cIdjmI58FwJ/X7u4Wrml4S8ulHw /var/root/.ssh/id_rsa_nguyentung (RSA)
</code>

**Tạo command add key:**

<code>
$ vim gi.sh
#! /bin/bash
  
ssh-add /var/root/.ssh/id_rsa_tungntblue
ssh-add /var/root/.ssh/id_rsa_tungnt9pay
ssh-add /var/root/.ssh/id_rsa_nguyentung

ssh-add -l

$ chmod +x gi.sh
$ ln -s gi.sh /usr/local/bin/gi
$ gi
</code>

**Cấu hình Host sử dụng key:**

<code>
$ vim ~/.ssh/config
Host bitbucket.org
HostName bitbucket.org
PreferredAuthentications publickey
IdentityFile ~/.ssh/id_rsa_tungntblue

Host github.com
HostName github.com
PreferredAuthentications publickey
IdentityFile ~/.ssh/id_rsa_tungntblue

Host git.mobgame.mobi
HostName mobgame.mobi
PreferredAuthentications publickey
IdentityFile ~/.ssh/id_rsa_nguyentung
</code>

===== Khởi tạo Git =====

<code>
$ git init
$ git add .
$ git commit -am 'Init source'
$ git remote add origin git@github.com:abc/xyz.git
$ git remote -v
$ git push origin master
</code>

===== Branch =====

<code>
$ git checkout -b dev
$ git checkout -b dev master

$ git branch -D dev

$ git checkout [branch_name] -- [file_path]

$ git diff [branch_1] [branch_2]
$ git diff --name-only [branch_1] [branch_2]
$ git diff [branch_1] [branch_2] --file
$ git diff --name-only master release/complete > diff_master_with_release_complete.txt
</code>

===== Xem log =====

<code>
$ git reflog
$ git reflog master
</code>

===== Sửa commit message cuối cùng =====

<code>
$ git commit --amend

$ git reset --hard [commit_version]
</code>

===== Submodule =====

<code>
git submodule add {GIT_URL} {DIR_PATH}
</code>

https://www.atlassian.com/git/tutorials/git-submodule

====== GitFlow ======

https://github.com/1sitevn/gitflow

https://nvie.com/posts/a-successful-git-branching-model

<code bash>
tungnt@MacBook-Pro-cua-Nguyen-2 1site % mkdir gitflow
tungnt@MacBook-Pro-cua-Nguyen-2 1site % cd gitflow 
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % ls -la
total 0
drwxr-xr-x  2 tungnt  staff   64 Aug 12 16:14 .
drwxr-xr-x@ 7 tungnt  staff  224 Aug 12 16:14 ..
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % echo "# gitflow" >> README.md
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git init
Initialized empty Git repository in /private/var/www/1site/gitflow/.git/
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git add README.md
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git commit -m "first commit"
[master (root-commit) 0f7d8f6] first commit
 1 file changed, 1 insertion(+)
 create mode 100644 README.md
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git branch -M main
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git remote add origin git@github.com:1sitevn/gitflow.git
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push -u origin main
Enumerating objects: 3, done.
Counting objects: 100% (3/3), done.
Writing objects: 100% (3/3), 290 bytes | 290.00 KiB/s, done.
Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
To github.com:1sitevn/gitflow.git
 * [new branch]      main -> main
branch 'main' set up to track 'origin/main'.
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git branch develop
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git branch
  develop
* main
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout develop
Switched to branch 'develop'
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout main   
Switched to branch 'main'
Your branch is up to date with 'origin/main'.
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push -u origin develop
Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
remote: 
remote: Create a pull request for 'develop' on GitHub by visiting:
remote:      https://github.com/1sitevn/gitflow/pull/new/develop
remote: 
To github.com:1sitevn/gitflow.git
 * [new branch]      develop -> develop
branch 'develop' set up to track 'origin/develop'.
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout -b feature/1-add-test-file develop
Switched to a new branch 'feature/1-add-test-file'
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git status
On branch feature/1-add-test-file
Untracked files:
  (use "git add <file>..." to include in what will be committed)
	test.js

nothing added to commit but untracked files present (use "git add" to track)
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git add test.js
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git commit -m '#1 - add a new test.js file'
[feature/1-add-test-file c637c90] #1 - add a new test.js file
 1 file changed, 1 insertion(+)
 create mode 100644 test.js
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push
fatal: The current branch feature/1-add-test-file has no upstream branch.
To push the current branch and set the remote as upstream, use

git push --set-upstream origin feature/1-add-test-file

To have this happen automatically for branches without a tracking
upstream, see 'push.autoSetupRemote' in 'git help config'.

tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push --set-upstream origin feature/1-add-test-file
Enumerating objects: 4, done.
Counting objects: 100% (4/4), done.
Delta compression using up to 8 threads
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 399 bytes | 399.00 KiB/s, done.
Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
remote: 
remote: Create a pull request for 'feature/1-add-test-file' on GitHub by visiting:
remote:      https://github.com/1sitevn/gitflow/pull/new/feature/1-add-test-file
remote: 
To github.com:1sitevn/gitflow.git
 * [new branch]      feature/1-add-test-file -> feature/1-add-test-file
branch 'feature/1-add-test-file' set up to track 'origin/feature/1-add-test-file'.
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout develop
Switched to branch 'develop'
Your branch is up to date with 'origin/develop'.
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git pull
remote: Enumerating objects: 1, done.
remote: Counting objects: 100% (1/1), done.
remote: Total 1 (delta 0), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (1/1), 906 bytes | 906.00 KiB/s, done.
From github.com:1sitevn/gitflow
   0f7d8f6..e94388a  develop    -> origin/develop
Updating 0f7d8f6..e94388a
Fast-forward
 test.js | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 test.js
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout release-1.0.0 develop
error: pathspec 'release-1.0.0' did not match any file(s) known to git
error: pathspec 'develop' did not match any file(s) known to git
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout -b release-1.0.0 develop
Switched to a new branch 'release-1.0.0'
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git tag 'v1.0.0'
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push --tags
Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
To github.com:1sitevn/gitflow.git
 * [new tag]         v1.0.0 -> v1.0.0
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git merge develop
Already up to date.
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git branch
  develop
  feature/1-add-test-file
  main
* release-1.0.0
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push origin release-1.0.0
Total 0 (delta 0), reused 0 (delta 0), pack-reused 0
remote: 
remote: Create a pull request for 'release-1.0.0' on GitHub by visiting:
remote:      https://github.com/1sitevn/gitflow/pull/new/release-1.0.0
remote: 
To github.com:1sitevn/gitflow.git
 * [new branch]      release-1.0.0 -> release-1.0.0
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout main
Switched to branch 'main'
Your branch is up to date with 'origin/main'.
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % ls -la
total 8
drwxr-xr-x   4 tungnt  staff  128 Aug 12 16:43 .
drwxr-xr-x@  7 tungnt  staff  224 Aug 12 16:14 ..
drwxr-xr-x  14 tungnt  staff  448 Aug 12 16:43 .git
-rw-r--r--   1 tungnt  staff   10 Aug 12 16:15 README.md
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git pull origin main  
remote: Enumerating objects: 1, done.
remote: Counting objects: 100% (1/1), done.
remote: Total 1 (delta 0), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (1/1), 890 bytes | 445.00 KiB/s, done.
From github.com:1sitevn/gitflow
 * branch            main       -> FETCH_HEAD
   0f7d8f6..9cd0401  main       -> origin/main
Updating 0f7d8f6..9cd0401
Fast-forward
 test.js | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 test.js
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % ls -la
total 16
drwxr-xr-x   5 tungnt  staff  160 Aug 12 16:44 .
drwxr-xr-x@  7 tungnt  staff  224 Aug 12 16:14 ..
drwxr-xr-x  14 tungnt  staff  448 Aug 12 16:44 .git
-rw-r--r--   1 tungnt  staff   10 Aug 12 16:15 README.md
-rw-r--r--   1 tungnt  staff   20 Aug 12 16:44 test.js
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git tag 'v1.0.0'
fatal: tag 'v1.0.0' already exists
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push --tags
Everything up-to-date
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git branch
  develop
  feature/1-add-test-file
* main
  release-1.0.0
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git branch -d release-1.0.0
Deleted branch release-1.0.0 (was e94388a).
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push origin -d release-1.0.0
To github.com:1sitevn/gitflow.git
 - [deleted]         release-1.0.0
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git branch -d feature/1-add-test-file
Deleted branch feature/1-add-test-file (was c637c90).
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push origin -d feature/1-add-test-file
To github.com:1sitevn/gitflow.git
 - [deleted]         feature/1-add-test-file
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout -b hotfixs main
Switched to a new branch 'hotfixs'
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git add test.js
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git commit -m '#1 - Hotfix test'
[hotfixs c16aab1] #1 - Hotfix test
 1 file changed, 1 insertion(+), 1 deletion(-)
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push origin hotfixs
Enumerating objects: 5, done.
Counting objects: 100% (5/5), done.
Delta compression using up to 8 threads
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 395 bytes | 395.00 KiB/s, done.
Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
remote: 
remote: Create a pull request for 'hotfixs' on GitHub by visiting:
remote:      https://github.com/1sitevn/gitflow/pull/new/hotfixs
remote: 
To github.com:1sitevn/gitflow.git
 * [new branch]      hotfixs -> hotfixs
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git checkout main
Switched to branch 'main'
Your branch is up to date with 'origin/main'.
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git branch -D hotfixs
Deleted branch hotfixs (was c16aab1).
tungnt@MacBook-Pro-cua-Nguyen-2 gitflow % git push origin -d hotfixs
To github.com:1sitevn/gitflow.git
 - [deleted]         hotfixs
</code>

====== Một số lỗi có thể gặp ======

===== "Warning: the ECDSA host key for 'github.com' differs from the key for the IP address" issue =====

<code bash>
$ ssh-keygen -R IP_ADDRESS
</code>

https://stackoverflow.com/questions/76187211/warning-the-ecdsa-host-key-for-github-com-differs-from-the-key-for-the-ip-ad

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