Summary - Viewing history

Combine show and log options to research the history.

History inspection tools summary

With git show, you inspect the details and patch diff of a single commit. Meanwhile, git log lets you search history using --author, --since, and file filters. For renamed files, you rely on the --follow flag to keep tracking history.

git show -s HEAD
git log --author="Ece" --oneline
git log --follow -- ayar.json

Using these tools together lets you effortlessly trace any change across the project.

Exercise Combine author and file filter

Run git log with --author="Ece", --format="%s", and -- modul_a.py to list the matching commit subject.

Show example solution

git init -q
git config user.name "Ece"
git config user.email "ece@example.com"
echo "modul a" > modul_a.py
git add modul_a.py
git commit -qm "Modul A hazirlandi"

git config user.name "Can"
git config user.email "can@example.com"
echo "modul b" > modul_b.py
git add modul_b.py
git commit -qm "Modul B hazirlandi"

git config user.name "Ece"
git config user.email "ece@example.com"
echo "modul c" > modul_c.py
git add modul_c.py
git commit -qm "Modul C hazirlandi"

git log --author="Ece" --format="%s" -- modul_a.py

Test yourself

Which pair of commands is used to search history by author and inspect the diff of the latest commit?
- git config and git init
- git log --author and git show
- git status and git diff
- git rm and git commit
Show answer

git log --author and git show — git log --author is used to filter history by author, and git show displays the detail and patch of the commit.
View commit summary
```
git ____ -s HEAD
```
Show answer
```
git show -s HEAD
```
History commands match

git show

Shows commit detail and patch
--follow

Tracks previous file names
--author

Filters by author info
--since

Filters by date range

Next lesson: git checkout

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