1. Git Log

1.1. Limiting output

$ git log -1
commit 8192e9663597d1a58bb89d09b882372763395175 (HEAD -> master, origin/master, origin/HEAD)
Author: Matt Harasymczuk <book@astronaut.center>
Date:   Fri Nov 22 13:33:39 2019 +0100

    DevOps: CI/CD #time 15m

$ git log --oneline
8192e96 (HEAD -> master, origin/master, origin/HEAD) DevOps: CI/CD #time 15m
dafb424 DevOps: CI/CD #time 15m
ad7a58c DevOps: Docker #time 25m
f9e70b6 DevOps: Summary and Ecosystem big picture #time 5m
0adfae7 DevOps: Summary and Ecosystem big picture #time 180m
947e4ca DevOps: Docker #time 20m
370a4fa DevOps: Docker #time 10m
262c3e8 DevOps: Git Flow #time 10m
38a5c0d DevOps: Process #time 120m
[...]

$ git log -n 5 --oneline
8192e96 (HEAD -> master, origin/master, origin/HEAD) DevOps: CI/CD #time 15m
dafb424 DevOps: CI/CD #time 15m
ad7a58c DevOps: Docker #time 25m
f9e70b6 DevOps: Summary and Ecosystem big picture #time 5m
0adfae7 DevOps: Summary and Ecosystem big picture #time 180m

1.2. Graph

$ git log --graph
$ git log -15 --oneline --graph

1.3. Format

  • %ae - author email

  • %ad - author date

  • %an - author name

  • %ce - committer email

  • %cd - committer date

  • %cn - committer name

  • %h - short hash (8 chars)

  • %H - long hash (40 chars)

  • %s - subject

$ git log -n5 --format='%h %ae %s'
8192e96 book@astronaut.center DevOps: CI/CD #time 15m
dafb424 book@astronaut.center DevOps: CI/CD #time 15m
ad7a58c book@astronaut.center DevOps: Docker #time 25m
f9e70b6 book@astronaut.center DevOps: Summary and Ecosystem big picture #time 5m
0adfae7 book@astronaut.center DevOps: Summary and Ecosystem big picture #time 180m

$ $ git log -n5 --format='%ad' --date=iso
2019-11-22 13:33:39 +0100
2019-11-22 13:19:58 +0100
2019-11-22 13:16:13 +0100
2019-11-19 19:53:48 +0100
2019-11-19 19:48:46 +0100

$ git log -n5 --format='%ad' --date=relative
5 days ago
5 days ago
5 days ago
8 days ago
8 days ago

$ git log -n10 --format='"%h", "%an", "%ad", "%s"' --date=iso
"8192e96", "Matt Harasymczuk", "2019-11-22 13:33:39 +0100", "DevOps: CI/CD #time 15m"
"dafb424", "Matt Harasymczuk", "2019-11-22 13:19:58 +0100", "DevOps: CI/CD #time 15m"
"ad7a58c", "Matt Harasymczuk", "2019-11-22 13:16:13 +0100", "DevOps: Docker #time 25m"
"f9e70b6", "Matt Harasymczuk", "2019-11-19 19:53:48 +0100", "DevOps: Summary and Ecosystem big picture #time 5m"
"0adfae7", "Matt Harasymczuk", "2019-11-19 19:48:46 +0100", "DevOps: Summary and Ecosystem big picture #time 180m"
"947e4ca", "Matt Harasymczuk", "2019-11-19 13:26:36 +0100", "DevOps: Docker #time 20m"
"370a4fa", "Matt Harasymczuk", "2019-11-19 12:20:41 +0100", "DevOps: Docker #time 10m"
"262c3e8", "Matt Harasymczuk", "2019-10-28 08:42:20 +0100", "DevOps: Git Flow #time 10m"
"38a5c0d", "Matt Harasymczuk", "2019-10-28 08:32:32 +0100", "DevOps: Process #time 120m"
"ff12d83", "Matt Harasymczuk", "2019-10-15 21:12:53 +0200", "Versioning: GIT #time 3m"

$ git log --format='"%H", "%an", "%ae", "%ad", "%s"' --date=iso > ~/Desktop/git-log.csv

$ git log --format='%an' |sort |uniq
Cosaquee
Jan Folfas
Karol Kozakowski
Matt Harasymczuk
Przemysław Pytlak
wasikuss

1.4. File Log

$ git log -n5 --oneline README.rst
8b3440a (HEAD -> master) Change Readme file
d84da13 Book: Refactor #time 79m
19cc5df Book: Theme #time 30m
d84ac63 Book: README #time 5m
e5c6727 Book: README #time 5m