Отчет по лабораторной работе № 2 "Система контроля версий Git"

Выполнил: Харисов С Р
Группа:   А-01-22
Проверил: 

Примечание: работа выполнялась на Windows.

создание project, вход и выход

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02
$ mkdir alice

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02
$ mkdir bob

//создание папок

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02
$ cd alice

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice
$ mkdir project

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice
$ cd project

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project
$ cd ..

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice
$ cd project

//
инициализация репозитария

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project
$ git init
Initialized empty Git repository in C:/Users/sergh/Desktop/lab02/alice/project/.git/

//
замена имени ветки

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (master)
$ git branch -m main

//
настройка репозитария алисы

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git config user.name 'Alice (KharisovSR)'

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git config user.email 'kharisovSR@mpei.ru'

//
текущая структура файлов

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git status
On branch main

No commits yet

Untracked files:
  (use "git add <file>..." to include in what will be committed)
        bin/
        main.cpp
        obj/
        project.cbp

nothing added to commit but untracked files present (use "git add" to track)

//
добавление файла main

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git add main.cpp

//
создание комита

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m 'code: заготовка программы'
[main (root-commit) 94e2369] code: заготовка программы
 1 file changed, 9 insertions(+)
 create mode 100644 main.cpp

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git add project.cbp
warning: in the working copy of 'project.cbp', LF will be replaced by CRLF the next time Git touches it

//
коммит с build

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m 'build: добавлен файл проекта'
[main b98c3c1] build: добавлен файл проекта
 1 file changed, 40 insertions(+)
 create mode 100644 project.cbp

//
добавление суммы способ 1

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git add main.cpp

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m 'code: добавленна сумма a и b'
[main 062c433] code: дабавленна сумма a и b
 1 file changed, 4 insertions(+), 2 deletions(-)

//
способ 2

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git add -u

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m 'code: дабавленна разность a и b'
[main 1904ab2] code: дабавленна разность a и b
 1 file changed, 1 insertion(+)

//
игнорирование файлов

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m 'git: добавлен gitignore'
On branch main
Changes not staged for commit:
  (use "git add <file>..." to update what will be committed)
  (use "git restore <file>..." to discard changes in working directory)
        modified:   main.cpp

Untracked files:
  (use "git add <file>..." to include in what will be committed)
        .gitignore

no changes added to commit (use "git add" and/or "git commit -a")

//
просмотр истории

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log
commit 1904ab215ba32df67fbcad325ab68eae03cb1185 (HEAD -> main)
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:28:11 2023 +0300

    code: дабавленна разность a и b

commit 062c43324cf4565000b995310eb169308b0561cb
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:26:35 2023 +0300

    code: дабавленна сумма a и b

commit b98c3c17f0fc78cabe9cc406d1a3052524cf3edd
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:23:00 2023 +0300

    build: добавлен файл проекта

commit 94e2369baa7f8133c53b72c0a8083a88c8f67346
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:20:19 2023 +0300

    code: заготовка программы

//
разные способы посмотреть историю

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log --stat
commit 1904ab215ba32df67fbcad325ab68eae03cb1185 (HEAD -> main)
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:28:11 2023 +0300

    code: дабавленна разность a и b

 main.cpp | 1 +
 1 file changed, 1 insertion(+)

commit 062c43324cf4565000b995310eb169308b0561cb
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:26:35 2023 +0300

    code: дабавленна сумма a и b

 main.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

commit b98c3c17f0fc78cabe9cc406d1a3052524cf3edd
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:23:00 2023 +0300

    build: добавлен файл проекта

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log --online --decorate
fatal: unrecognized argument: --online

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log --oneline --decorate
1904ab2 (HEAD -> main) code: дабавленна разность a и b
062c433 code: дабавленна сумма a и b
b98c3c1 build: добавлен файл проекта
94e2369 code: заготовка программы

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log --oneline --decorate --all --graph
* 1904ab2 (HEAD -> main) code: дабавленна разность a и b
* 062c433 code: дабавленна сумма a и b
* b98c3c1 build: добавлен файл проекта
* 94e2369 code: заготовка программы

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log --grep "build:"
commit b98c3c17f0fc78cabe9cc406d1a3052524cf3edd
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:23:00 2023 +0300

    build: добавлен файл проекта

//
просмотр конкретных тем комитов

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log -- project.cbp
commit b98c3c17f0fc78cabe9cc406d1a3052524cf3edd
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:23:00 2023 +0300

    build: добавлен файл проекта

//
просмотр комитов по порядку

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git show head~1
commit 062c43324cf4565000b995310eb169308b0561cb
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:26:35 2023 +0300

    code: дабавленна сумма a и b

diff --git a/main.cpp b/main.cpp
index b4392ec..f0d6dac 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,6 +4,8 @@ using namespace std;

 int main()
 {
-    cout << "Hello world!" << endl;
-    return 0;
+cout << "Enter A and B: ";
+int a, b;
+cin >> a >> b;
+cout<<a+b;
 }

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git show 062c433
commit 062c43324cf4565000b995310eb169308b0561cb
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:26:35 2023 +0300

    code: дабавленна сумма a и b

diff --git a/main.cpp b/main.cpp
index b4392ec..f0d6dac 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,6 +4,8 @@ using namespace std;

 int main()
 {
-    cout << "Hello world!" << endl;
-    return 0;
+cout << "Enter A and B: ";
+int a, b;
+cin >> a >> b;
+cout<<a+b;
 }

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git show main
commit 1904ab215ba32df67fbcad325ab68eae03cb1185 (HEAD -> main)
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:28:11 2023 +0300

    code: дабавленна разность a и b

diff --git a/main.cpp b/main.cpp
index f0d6dac..ed8cf28 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,4 +8,5 @@ cout << "Enter A and B: ";
 int a, b;
 cin >> a >> b;
 cout<<a+b;
+cout<<a-b;
 }

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git show main~1
commit 062c43324cf4565000b995310eb169308b0561cb
Author: Alice (kharisovSR) <kharisovSR@mpei.ru>
Date:   Sun Mar 26 22:26:35 2023 +0300

    code: дабавленна сумма a и b

diff --git a/main.cpp b/main.cpp
index b4392ec..f0d6dac 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,6 +4,8 @@ using namespace std;

 int main()
 {
-    cout << "Hello world!" << endl;
-    return 0;
+cout << "Enter A and B: ";
+int a, b;
+cin >> a >> b;
+cout<<a+b;
}

//
просмотр изменений

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git diff
diff --git a/main.cpp b/main.cpp
index ed8cf28..8468878 100644
--- a/main.cpp
+++ b/main.cpp
@@ -7,6 +7,7 @@ int main()
 cout << "Enter A and B: ";
 int a, b;
 cin >> a >> b;
-cout<<a+b;
-cout<<a-b;
+cout << "A + B = " << a + b << '\n'
+     << "A - B = " << a - b << '\n'
+     << "A - B = " << a * b << '\n';
 }

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git diff head~2
diff --git a/main.cpp b/main.cpp
index b4392ec..8468878 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,6 +4,10 @@ using namespace std;

 int main()
 {
-    cout << "Hello world!" << endl;
-    return 0;
+cout << "Enter A and B: ";
+int a, b;
+cin >> a >> b;
+cout << "A + B = " << a + b << '\n'
+     << "A - B = " << a - b << '\n'
+     << "A - B = " << a * b << '\n';
 }

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git diff head~2 head
diff --git a/main.cpp b/main.cpp
index b4392ec..ed8cf28 100644
--- a/main.cpp
+++ b/main.cpp
@@ -4,6 +4,9 @@ using namespace std;

 int main()
 {
-    cout << "Hello world!" << endl;
-    return 0;
+cout << "Enter A and B: ";
+int a, b;
+cin >> a >> b;
+cout<<a+b;
+cout<<a-b;
 }

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git diff head~1 head
diff --git a/main.cpp b/main.cpp
index f0d6dac..ed8cf28 100644
--- a/main.cpp
+++ b/main.cpp
@@ -8,4 +8,5 @@ cout << "Enter A and B: ";
 int a, b;
 cin >> a >> b;
 cout<<a+b;
+cout<<a-b;
 }

//
добавление произведения

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git add main.cpp

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m "code: добавленно произведение"
[main 58aa9b1] code: добавленно произведение
 1 file changed, 3 insertions(+), 2 deletions(-)

//
откат изменений

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git reset --hard head~1
HEAD is now at 1904ab2 code: дабавленна разность a и b

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git checkout Head -- main.cpp

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git checkout Head -- main.cpp

//

//во время лабораторной работы разрядился ноутбук из за чего не сохранились записи с генерацией ключа

//
создание и отправка комита от боба

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git add -u

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git commit -m 'добавленно произведение a и b'
[main c64b7ee] добавленно произведение a и b
 1 file changed, 3 insertions(+), 2 deletions(-)

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git push
Enumerating objects: 5, done.
Counting objects: 100% (5/5), done.
Delta compression using up to 12 threads
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 462 bytes | 462.00 KiB/s, done.
Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
remote: . Processing 1 references
remote: Processed 1 references in total
To http://uit.mpei.ru/git/KharisovSR/cs-lab2.git
   1904ab2..c64b7ee  main -> main

//
настройка репозитария боба

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob
$ git clone http://uit.mpei.ru/git/KharisovSR/cs-lab2.git project
Cloning into 'project'...
remote: Enumerating objects: 12, done.
remote: Counting objects: 100% (12/12), done.
remote: Compressing objects: 100% (11/11), done.
remote: Total 12 (delta 1), reused 0 (delta 0), pack-reused 0
Receiving objects: 100% (12/12), done.
Resolving deltas: 100% (1/1), done.

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob
$ cd project

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git config user.name 'Bob (KharisovSR)'

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git config user.email 'kharisovSR@mpei.ru'

//
отправка комита от боба

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git add -u

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git commit -m 'добавленно произведение a и b'
[main c64b7ee] добавленно произведение a и b
 1 file changed, 3 insertions(+), 2 deletions(-)

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git push
Enumerating objects: 5, done.
Counting objects: 100% (5/5), done.
Delta compression using up to 12 threads
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 462 bytes | 462.00 KiB/s, done.
Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
remote: . Processing 1 references
remote: Processed 1 references in total
To http://uit.mpei.ru/git/KharisovSR/cs-lab2.git
   1904ab2..c64b7ee  main -> main

//
загрузка изменений алисы

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git fetch
remote: Enumerating objects: 5, done.
remote: Counting objects: 100% (5/5), done.
remote: Compressing objects: 100% (3/3), done.
remote: Total 3 (delta 1), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (3/3), 363 bytes | 30.00 KiB/s, done.
From http://uit.mpei.ru/git/KharisovSR/cs-lab2
   c64b7ee..1032e3a  main       -> origin/main

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log --oneline --decorate --all --graph
* 1032e3a (origin/main) добавленна разность a и b
* c64b7ee (HEAD -> main) добавленно произведение a и b
* 1904ab2 code: дабавленна разность a и b
* 062c433 code: дабавленна сумма a и b
* b98c3c1 build: добавлен файл проекта
* 94e2369 code: заготовка программы

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git pull --ff-only
Updating cd8ae79..91d6ad9
Fast-forward
 main.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

//
добавление разности

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git add main.cpp

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m 'добавленна разность a и b'
[main 985488d] code: заголовка программы
 1 file changed, 2 insertions(+), 1 deletion(-)

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git push
Enumerating objects: 5, done.
Counting objects: 100% (5/5), done.
Delta compression using up to 16 threads
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 415 bytes | 415.00 KiB/s, done.
Total 3 (delta 1), reused 0 (delta 0), pack-reused 0
remote: . Processing 1 references
remote: Processed 1 references in total
To uit.mpei.ru:KobzevAV/cs-lab02.git
   91d6ad9..985488d  main -> main

//
загрузка изменений боба

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git fetch
remote: Enumerating objects: 5, done.
remote: Counting objects: 100% (5/5), done.
remote: Compressing objects: 100% (3/3), done.
remote: Total 3 (delta 1), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (3/3), 363 bytes | 30.00 KiB/s, done.
From http://uit.mpei.ru/git/KharisovSR/cs-lab2
   c64b7ee..1032e3a  main       -> origin/main

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git log --oneline --decorate --all --graph
* 1032e3a (origin/main, origin/HEAD) добавленна разность a и b
* c64b7ee (HEAD -> main) добавленно произведение a и b
* 1904ab2 code: дабавленна разность a и b
* 062c433 code: дабавленна сумма a и b
* b98c3c1 build: добавлен файл проекта
* 94e2369 code: заготовка программы

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git pull --ff-only
Updating c64b7ee..1032e3a
Fast-forward
 main.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

//
добавление максимума

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git add -u

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m 'добавленн максимум
[main e76e2b2] добавленн максимум
 1 file changed, 2 insertions(+), 1 deletion(-)

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git push
Enumerating objects: 5, done.
Counting objects: 100% (5/5), done.
Delta compression using up to 16 threads
Compressing objects: 100% (3/3), done.
Writing objects: 100% (3/3), 468 bytes | 468.00 KiB/s, done.
Total 3 (delta 1), reused 0 (delta 0), pack-reused 0
remote: . Processing 1 references
remote: Processed 1 references in total
To uit.mpei.ru:KobzevAV/cs-lab02.git
   985488d..d49044f  main -> main

//
добавление минимума

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git add -u

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git commit -m 'добавленн минимум'
[main e76e2b2] добавленн минимум
 1 file changed, 2 insertions(+), 1 deletion(-)

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git push
To uit.mpei.ru:KobzevAV/cs-lab02.git
 ! [rejected]        main -> main (fetch first)
error: failed to push some refs to 'uit.mpei.ru:KobzevAV/cs-lab02.git'
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

//
загрузка изменений

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git fetch
remote: Enumerating objects: 5, done.
remote: Counting objects: 100% (5/5), done.
remote: Compressing objects: 100% (3/3), done.
remote: Total 3 (delta 1), reused 0 (delta 0), pack-reused 0
Unpacking objects: 100% (3/3), 448 bytes | 29.00 KiB/s, done.
From uit.mpei.ru:KobzevAV/cs-lab02
   985488d..d49044f  main       -> origin/main

//
текущие версии

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git log --oneline --decorate --all --graph
* ca45393 (origin/main, origin/HEAD) добавленн максимум
| * e76e2b2 (HEAD -> main) добавленн минимум
|/
* 1032e3a добавленна разность a и b
* c64b7ee добавленно произведение a и b
* 1904ab2 code: дабавленна разность a и b
* 062c433 code: дабавленна сумма a и b
* b98c3c1 build: добавлен файл проекта
* 94e2369 code: заготовка программы

//

//после $ git rebase --continue появилось сообщение ниже, из за чего я не смог скопировать код с командами $ git rebase origin/main, git add main.cpp, git rebase --continue

добавленн минимум

# Please enter the commit message for your changes. Lines starting
# with '#' will be ignored, and an empty message aborts the commit.
#
# interactive rebase in progress; onto ca45393
# Last command done (1 command done):
#    pick 6e6e535 добавленн минимум
# No commands remaining.
# You are currently rebasing branch 'main' on 'ca45393'.
#
# Changes to be committed:
#       modified:   main.cpp
#
# Untracked files:
#       main.exe
#       main.o
#
~
~

//
Cоздал новую ветку и переключлся на неё

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git branch double

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git checkout double
Switched to branch 'double'
M       main.cpp

//
Изменил тип данных в main.cpp на машине Алисы и закоммитил их в ветке double:

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git add main.cpp

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git commit -m 'code: изменение типа данных'
[double 248c594] code: изменение типа данных
 1 file changed, 1 insertion(+), 1 deletion(-)

//
Переключился на main и синхронизировал её с сервером и посмотрел историю веток

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git checkout main
Switched to branch 'main'
Your branch is up to date with 'origin/main'.

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
$ git fetch

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/bob/project (main)
sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main|MERGING)
$ git log --oneline --decorate --all --graph
| * 96915bd (HEAD -> main, origin/main) добавленн минимум
|/
* ca45393 добавленн максимум
* 1032e3a добавленна разность a и b
* c64b7ee добавленно произведение a и b
* 1904ab2 code: дабавленна разность a и b
* 062c433 code: дабавленна сумма a и b
* b98c3c1 build: добавлен файл проекта
* 94e2369 code: заготовка программы

//
сделал слияние веток

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main|MERGING)
$ git merge double
Updating ce4dc0b..2d4b677
Fast-forward
 main.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main|MERGING)
$ git add -u

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main|MERGING)
$ git commit -m 'слияние'
[main 2d4b677] слияние

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git log --oneline --decorate --all --graph
*   2d4b677 (HEAD -> main) слияние
|\
| * ce4dc0b (double) дабл
* | 96915bd (origin/main) добавленн минимум
|/
* ca45393 добавленн максимум
* 1032e3a добавленна разность a и b
* c64b7ee добавленно произведение a и b
* 1904ab2 code: дабавленна разность a и b
* 062c433 code: дабавленна сумма a и b
* b98c3c1 build: добавлен файл проекта
* 94e2369 code: заготовка программы

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git push
Enumerating objects: 10, done.
Counting objects: 100% (10/10), done.
Delta compression using up to 12 threads
Compressing objects: 100% (6/6), done.
Writing objects: 100% (6/6), 631 bytes | 631.00 KiB/s, done.
Total 6 (delta 2), reused 0 (delta 0), pack-reused 0
remote: . Processing 1 references
remote: Processed 1 references in total
To http://uit.mpei.ru/git/KharisovSR/cs-lab2.git
   96915bd..2d4b677  main -> main

//
добавление gitignore

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git add .gitignore

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git commit -m 'gitignore'
[main 3bcbe9a] gitignore
 1 file changed, 3 insertions(+)
 create mode 100644 .gitignore

sergh@DESKTOP-T434UP0 MINGW64 ~/Desktop/lab02/alice/project (main)
$ git push
Enumerating objects: 4, done.
Counting objects: 100% (4/4), done.
Delta compression using up to 12 threads
Compressing objects: 100% (2/2), done.
Writing objects: 100% (3/3), 340 bytes | 340.00 KiB/s, done.
Total 3 (delta 0), reused 0 (delta 0), pack-reused 0
remote: . Processing 1 references
remote: Processed 1 references in total
To http://uit.mpei.ru/git/KharisovSR/cs-lab2.git
   2d4b677..3bcbe9a  main -> main