Upgrade to Pro
— share decks privately, control downloads, hide ads and more …
Speaker Deck
Features
Speaker Deck
PRO
Sign in
Sign up for free
Search
Search
La théorie des graphes appliquée à Git
Search
Sponsored
·
SiteGround - Reliable hosting with speed, security, and support you can count on.
→
ubermuda
April 17, 2017
Technology
420
0
Share
La théorie des graphes appliquée à Git
ubermuda
April 17, 2017
More Decks by ubermuda
See All by ubermuda
Comment Docker révolutionne le web
ubermuda
3
720
Vers des applications twelve-factor
ubermuda
2
1.1k
Git et la théorie des graph
ubermuda
3
1.1k
Introduction à Docker
ubermuda
6
1.1k
Meetup Docker 101
ubermuda
1
230
A multi-container Symfony2 setup with Docker
ubermuda
40
12k
Docker Introduction
ubermuda
5
540
Symfony 2, un framework robuste et moderne
ubermuda
5
210
Migration d'une base de code subversion vers git
ubermuda
0
130
Other Decks in Technology
See All in Technology
マンション備え付けのネットワークとLTE回線を組み合わせた ネットワークの安定化の考案
harutiro
1
140
LookerとADKで作る社内AIエージェント
chanyou0311
0
260
AIエージェントの支払い基盤 AgentCore Payments概要
kmiya84377
2
200
クラウドからエッジまで ~ 1,700台を支える監視設計~
optfit
0
110
セキュリティ対策、何からはじめる? CloudNative環境の脅威モデリングと リスク評価実践入門 #cloudnativekaigi
varu3
5
990
アプリブロック機能のつくりかたと、AIとHTMLの不合理な相性の良さについて
kumamotone
1
260
R&D 祭 2024 UE5で絵コンテ・作画の制作支援ツールをつくる話
olmdrd
PRO
0
190
エンタープライズの厳格な制約を開発者に意識させない:クラウドネイティブ開発基盤設計/cloudnative-kaigi-golden-path
mhrtech
0
450
そのSLO 99.9%、本当に必要ですか? 〜優先度付きSLOによる責任共有の設計思想〜 / Is that 99.9% SLO really necessary? Design philosophy of shared responsibility through prioritized SLOs
vtryo
0
810
最新技術を"今は選ばない"という技術選定
leveragestech
PRO
0
190
ECSのTerraformモジュールにコントリビュートした話
harukasakihara
0
230
React Compiler導入から21ヶ月、いま始めるならこうやる
astatsuya
2
250
Featured
See All Featured
Breaking role norms: Why Content Design is so much more than writing copy - Taylor Woolridge
uxyall
0
290
The Organizational Zoo: Understanding Human Behavior Agility Through Metaphoric Constructive Conversations (based on the works of Arthur Shelley, Ph.D)
kimpetersen
PRO
0
320
Navigating Weather and Climate Data
rabernat
0
190
The Spectacular Lies of Maps
axbom
PRO
1
750
DBのスキルで生き残る技術 - AI時代におけるテーブル設計の勘所
soudai
PRO
65
54k
SEO Brein meetup: CTRL+C is not how to scale international SEO
lindahogenes
1
2.6k
CoffeeScript is Beautiful & I Never Want to Write Plain JavaScript Again
sstephenson
162
16k
Paper Plane
katiecoart
PRO
1
50k
Kristin Tynski - Automating Marketing Tasks With AI
techseoconnect
PRO
0
250
Fantastic passwords and where to find them - at NoRuKo
philnash
52
3.7k
Done Done
chrislema
186
16k
JavaScript: Past, Present, and Future - NDC Porto 2020
reverentgeek
52
5.9k
Transcript
La théorie des graphes appliquée à git Geoffrey Bachelet @ubermuda
Königsberg
ez pz Leonhard Euler
None
Pont Masse de terre
Arête Noeud graphe
1 2 3 4
None
A B E D C
A B E D C Noeuds
A B E C Arêtes D
A B E D C Graph orienté
A B E D C Graph orienté
None
Atteignabilité
Atteignabilité C est atteignable depuis E A B E D
C
Atteignabilité NOPE A B E D C
A B D E C F D n'est pas atteignable
depuis F Atteignabilité
Atteignabilité
None
$ git branch * master $ ls .git/refs/heads/ master $
cat .git/refs/heads/master 58bd01cded7904f1596cb12aac1d3e0e8ae6b558
$ git log --format="%H" 6465a2cd4d6d3b0a0a62588eeb5b798bb7d31a71 7d1d4dabc49854a0807200361731446476565094 17a59ceda9b2806e2a135df039506d1ec1a976e6 ...
$ echo "6465a2cd" > .git/refs/heads/foo
$ git branch * master foo
A B D E C F master foo
A B D E C F master foo Atteignabilité !
None
Rappel • Une branche • Un tag • HEAD :
commit actuel à un instant T Références
Merge
A B D E C F master foo HEAD $
git merge master
A B D E C F master foo $ git
merge master HEAD
A B D E C F master G foo $
git merge master HEAD
A B D E C F master foo G foo
$ git merge master HEAD
A B D E C F master foo G Atteignabilité
! HEAD
fast-forward
A B C E D foo master F HEAD $
git merge foo
A B C E D foo master F $ git
merge foo Atteignable HEAD
C E D foo master F master A B $
git merge foo HEAD
cherry-pick
A B D E C F master foo $ git
cherry-pick F HEAD
master foo F' A B D E C F foo
$ git cherry-pick F HEAD
rebase
$ git rebase master A B D E C F
master foo HEAD
B merge base A D E C F master foo
$ git rebase master HEAD
merge base premier ancêtre commun Atteignable !
A B D E C F master foo Atteignable !
HEAD
A B D E C F master foo C' $
git rebase master HEAD
A B D E C F master foo C' D'
$ git rebase master HEAD
A B D E C F master foo C' D'
foo $ git rebase master HEAD
A B D E C F master C' D' foo
$ git rebase master HEAD
A B D E C F master C' D' foo
Headless $ git rebase master HEAD
Headless non-atteignable depuis une référence susceptible d'être "garbage collecté"
A B D E C F master C' D' foo
$ git reset --hard D foo A B D E C F C' D' HEAD
$ git reflog ... 384b39c HEAD@{10}: merge feature/bdl-auth: Fast-forward 84541fe
HEAD@{11}: checkout: moving from feature/bdl-auth to 384b39c HEAD@{12}: rebase finished: returning to refs/heads/f 384b39c HEAD@{13}: rebase: Add auth bundle
fetch
A B C D master A B master origin local
origin/master
local A B C D master A B master origin
origin/master FETCH !
A B C D master A B master C D
origin/master origin origin/master local
push
A B master A B master origin local C D
A B master A B master origin push D D
local C
A B master A B master A B A B
origin local C D D PAS ATTEIGNABLE
A B master A B master A B A B
origin local C D D NOPE
None
Atteignabilité.
https://speackerdeck.com/ubermuda https://think-like-a-git.net/ Geoffrey Bachelet @ubermuda