exercise2.txt

# Create a repository and push to github.
mkdir gitexercise2
cd gitexercise2

git init

git remote add origin https://github.com/himanshumishra31/gitexercise2.git

# Create two files in master branch, then create a tag 1.0.0 for first release from master

touch file1.rb
touch file2.rb

git add .
git commit -m "initialised repository with 3 files"
output
[master (root-commit) 9128ab0] initialised repository with 3 files
 3 files changed, 12 insertions(+)
 create mode 100644 exercise2.txt
 create mode 100644 file1.rb
 create mode 100644 file2.rb

git tag 1.0.0

# perform some changes in previous files and create another tag 1.0.1.

git add -u # adds all modified files to staging area

git commit -m "changes made"
output
[master 34a5c53] changes made
 3 files changed, 18 insertions(+)

git tag 1.0.1

# create another file file3 and create a tag 1.1.0.

touch file3.rb

git add file3.rb

git commit -m "Added file3.rb"
output
[master 49e31f7] Added file3.rb
 1 file changed, 1 insertion(+)
 create mode 100644 file3.rb

git tag 1.1.0

# Now in 1.0.1 release, do some changes in existing files and create another tag 1.0.2.

git checkout -b new_branch 1.0.1
output
Switched to a new branch 'new_branch'

git add -u # changes made in file3.rb

git commit -m "changes in file3.rb"
output
[new_branch 2a6715b] changes in file3.rb
 1 file changed, 1 insertion(+)

git rebase master
output
Applying: changes in file3.rb

git checkout master

git merge new_branch
output
Updating 49e31f7..09711fe
Fast-forward
 file3.rb | 1 +
 1 file changed, 1 insertion(+)

# Also do some changes in release 1.1.0, create a tag for next release 1.1.1

git add -u # changes made in file1.rb for new release

git commit -m "changes in file1.rb for new release"
output
[master 0d77432] changes in file1.rb for new release
 1 file changed, 1 insertion(+), 1 deletion(-)

git tag 1.1.1

git push origin --all