Gitub Practice

GITUB:
We can manage our version.
pwd
ls
cd Documents
ls
cd Gitdemo
ls
git init ->Initialized empty Git repository
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (awgfile)
$ git init
Initialized empty Git repository in C:/Users/Nethra/Documents/GitHub/.git/
$ git --version
git version 2.22.0.windows.1

Dont touch GIT files:
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ ls -al
total 47136
drwxr-xr-x 1 Nethra 197121        0 Jul 23 03:29 ./
drwxr-xr-x 1 Nethra 197121        0 Apr 30 02:21 ../
drwxr-xr-x 1 Nethra 197121        0 Jul 23 03:29 .git/
Git add
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
No commits yet
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter1.txt
        letter2.txt
nothing added to commit but untracked files present (use "git add" to track)
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git add letter1.txt
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
No commits yet

Changes to be committed:
  (use "git rm --cached ..." to unstage)
        new file:   letter1.txt   --->staged, need to commit
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter2.txt   ->Working copy

Git configuration Settings:
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git config --global user.name "rameshexpvodat"
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git config --list
core.symlinks=false
core.autocrlf=true
core.fscache=true
color.diff=auto
color.status=auto
color.branch=auto
color.interactive=true
help.format=html
rebase.autosquash=true
http.sslbackend=openssl
http.sslcainfo=C:/Program Files/Git/mingw64/ssl/certs/ca-bundle.crt
credential.helper=manager
diff.astextplain.textconv=astextplain
filter.lfs.clean=git-lfs clean -- %f
filter.lfs.smudge=git-lfs smudge -- %f
filter.lfs.process=git-lfs filter-process
filter.lfs.required=true
filter.lfs.clean=git-lfs clean -- %f
filter.lfs.smudge=git-lfs smudge -- %f
filter.lfs.process=git-lfs filter-process
filter.lfs.required=true
user.name=rameshexpvodat
core.repositoryformatversion=0
core.filemode=false
core.bare=false
core.logallrefupdates=true
core.symlinks=false
core.ignorecase=true
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git config --global user.email "rameshexpvodat@gmail.com"

Git commit
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
git status
On branch master
No commits yet
Changes to be committed:
  (use "git rm --cached ..." to unstage)
        new file:   letter1.txt
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter2.txt

Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git commit -m "commiting on the first file"
[master (root-commit) e6d8f60] commiting on the first file
 1 file changed, 1 insertion(+)
 create mode 100644 letter1.txt
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter2.txt
nothing added to commit but untracked files present (use "git add" to track)

Adding all files in one go:
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter2.txt
        letter3.txt
nothing added to commit but untracked files present (use "git add" to track)
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git add .
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Changes to be committed:
  (use "git reset HEAD ..." to unstage)
        new file:   letter2.txt
        new file:   letter3.txt

Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ clear

Git Unstage:
From the staging areas to working copies
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Changes to be committed:
  (use "git reset HEAD ..." to unstage)
        new file:   letter2.txt
        new file:   letter3.txt

Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git reset head
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter2.txt
        letter3.txt
nothing added to commit but untracked files present (use "git add" to track)
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git add .
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Changes to be committed:
  (use "git reset HEAD ..." to unstage)
        new file:   letter2.txt
        new file:   letter3.txt

Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git reset HEAD letter2.txt
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Changes to be committed:
  (use "git reset HEAD ..." to unstage)
        new file:   letter3.txt
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter2.txt

Checking the Git differences:
compare Git local and staging area
compare Git local and working copies
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git diff
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git diff letter2.txt
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git diff --staged
diff --git a/letter3.txt b/letter3.txt
new file mode 100644
index 0000000..b14c750
--- /dev/null
+++ b/letter3.txt
@@ -0,0 +1 @@
+this is my third file
\ No newline at end of file
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git add .
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git reset HEAD
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git add .
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git reset HEAD letter3.txt
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master

Changes to be committed:
  (use "git reset HEAD ..." to unstage)
        new file:   letter2.txt
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter3.txt

Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git commit -m "commiting letter2.txt"
[master ce57d3d] commiting letter2.txt
 1 file changed, 1 insertion(+)
 create mode 100644 letter2.txt
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Changes not staged for commit:
  (use "git add ..." to update what will be committed)
  (use "git checkout -- ..." to discard changes in working directory)
        modified:   letter2.txt
Untracked files:
  (use "git add ..." to include in what will be committed)
        letter3.txt
no changes added to commit (use "git add" and/or "git commit -a")
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git diff
diff --git a/letter2.txt b/letter2.txt
index 3d37eb2..b73eda8 100644
--- a/letter2.txt
+++ b/letter2.txt
@@ -1 +1 @@
-my second file
\ No newline at end of file
+my tenth file
\ No newline at end of file

Git remote:
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git remote add firstremote "https://github.com/rameshgit12/gitDemo.git"
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git remote
firstremote

Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git remote add second "git@github.com:rameshgit12/gitDemo.git"
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git remote
firstremote
second
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git remote -v
firstremote     https://github.com/rameshgit12/gitDemo.git (fetch)
firstremote     https://github.com/rameshgit12/gitDemo.git (push)
second  git@github.com:rameshgit12/gitDemo.git (fetch)
second  git@github.com:rameshgit12/gitDemo.git (push)
pushing changes to gitub:
$ git remote -v
firstremote     https://github.com/rameshgit12/gitDemo.git (fetch)
firstremote     https://github.com/rameshgit12/gitDemo.git (push)
second  git@github.com:rameshgit12/gitDemo.git (fetch)
second  git@github.com:rameshgit12/gitDemo.git (push)
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git push -u firstremote master
Enumerating objects: 10, done.
Counting objects: 100% (10/10), done.
Delta compression using up to 8 threads
Compressing objects: 100% (5/5), done.
Writing objects: 100% (10/10), 790 bytes | 197.00 KiB/s, done.
Total 10 (delta 0), reused 0 (delta 0)
To https://github.com/rameshgit12/gitDemo.git
 * [new branch]      master -> master
Branch 'master' set up to track remote branch 'master' from 'firstremote'.

what is and how to create branch:
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git branch
* master
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git branch gitdemo1
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git branch
  gitdemo1
* master
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo1)
$ git status
On branch gitdemo1
Changes not staged for commit:
  (use "git add ..." to update what will be committed)
  (use "git checkout -- ..." to discard changes in working directory)
        modified:   letter2.txt
no changes added to commit (use "git add" and/or "git commit -a")
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo1)
$ git add letter2.txt
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo1)
$ git commit -m "commiting changes to letter2.txt"
[gitdemo1 3bce886] commiting changes to letter2.txt
 1 file changed, 1 insertion(+), 1 deletion(-)
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo1)
$ git push -u firstremote gitdemo1
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), 328 bytes | 164.00 KiB/s, done.
Total 3 (delta 0), reused 0 (delta 0)
remote:
remote: Create a pull request for 'gitdemo1' on GitHub by visiting:
remote:      https://github.com/rameshgit12/gitDemo/pull/new/gitdemo1
remote:
To https://github.com/rameshgit12/gitDemo.git
 * [new branch]      gitdemo1 -> gitdemo1
Branch 'gitdemo1' set up to track remote branch 'gitdemo1' from 'firstremote'.
Merge the branches:
git checkout master
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo1)
$ git checkout master
Switched to branch 'master'
Your branch is up to date with 'firstremote/master'.
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git branch
  gitdemo1
* master
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git merge gitdemo1
Updating 771b459..3bce886
Fast-forward
 letter2.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git status
On branch master
Your branch is ahead of 'firstremote/master' by 1 commit.
  (use "git push" to publish your local commits)
nothing to commit, working tree clean
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git push -u firstremote master
Total 0 (delta 0), reused 0 (delta 0)
To https://github.com/rameshgit12/gitDemo.git
   771b459..3bce886  master -> master
Branch 'master' set up to track remote branch 'master' from 'firstremote'.
Deleting and Renaming the branches:
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git branch gitdemo2
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (master)
$ git checkout gitdemo2
Switched to branch 'gitdemo2'
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo2)
$ git checkout -b gitdemo3
Switched to a new branch 'gitdemo3'
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo3)
$ git branch -d gitdemo2
Deleted branch gitdemo2 (was 3bce886).
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo3)
$ git branch
  gitdemo1
* gitdemo3
  master
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo3)
$ git branch -d gitdemo3
error: Cannot delete branch 'gitdemo3' checked out at 'C:/Users/Nethra/Documents/GitHub'
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo3)
$ git checkout gitdemo1
Switched to branch 'gitdemo1'
Your branch is up to date with 'firstremote/gitdemo1'.

Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo1)
$ git branch -d gitdemo3
Deleted branch gitdemo3 (was 3bce886).
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo1)
$ git branch -m
fatal: branch name required
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (gitdemo1)
$ git branch -m gitdemo1 git123
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (git123)
$ git branch
* git123
  master
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (git123)
$ git remote -v
firstremote     https://github.com/rameshgit12/gitDemo.git (fetch)
firstremote     https://github.com/rameshgit12/gitDemo.git (push)
second  git@github.com:rameshgit12/gitDemo.git (fetch)
second  git@github.com:rameshgit12/gitDemo.git (push)
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (git123)
$ git remote rm second
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (git123)
$ git remote -v
firstremote     https://github.com/rameshgit12/gitDemo.git (fetch)
firstremote     https://github.com/rameshgit12/gitDemo.git (push)
Deleting and Changing URLs for remotes:

Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (git123)
$ git remote set-url firstremote https://github.com/rameshgit12/test.git
Nethra@LAPTOP-JR9FSSG9 MINGW64 ~/Documents/GitHub (git123)
$ git remote -v
firstremote     https://github.com/rameshgit12/test.git (fetch)
firstremote     https://github.com/rameshgit12/test.git (push)