SOURCEFORGE » Dcas-Soft-Espace » iut_testing

h1.
Create local git repository and initialize it

h2.
#create a local git server
USER=charles

#T1>
cd && mkdir serverTestGit && cd serverTestGit
mkdir projet.git && cd projet.git
git --bare init

h2.
#initialize it

#T2>
#cloner le repo pseudo-distant
cd && mkdir git && cd git
git clone ${USER}@localhost:~/serverTestGit/projet.git

"${USER}@localhost:~/serverTestGit/projet.git"
cd projet

#configurer l'<user> local
git config --global user.email ${USER}@userplace.eu


git config --global user.name ${USER}

#faire un premier commit et le pusher
echo -e "lorem ispum \n titi \n toto" >> readme.md
git add readme.md
git commit -m "initial commit"
git push origin master

h2.
#use it...

echo -e "another toto" >> readme.md
git add readme.md
git commit -m "my second commit"
git push origin master
echo -e "another titi" >> readme.md
git add readme.md
git commit -m "my third commit"
git push origin master

h2.
#uses aliases

git lg1
wget https://sourceforge.isae.fr/projects/iut_testing/repository/revisions/master/entry/.gitconfig
cp
git config --global user.name ${USER}
git config --global user.email ${USER}@userplace.eu

h2.
#conflict management

#T3> dans un autre terminal
#cloner le repo pseudo-distant
USER=bob
cd && mkdir gitBob && cd gitBob
git clone ${USER}@localhost:~/serverTestGit/projet.git
cd projet
git clone ${USER}@localhost:~/serverTestGit
cd serverTestGit
git config --local user.name ${USER}
echo -e "lorem ispum \n titi \n Bob \n toto" > readme.md
git add readme.md
git commit -m "I want to add my name in the file!"
#Et la on ne push pas...
git lg1
#* 199d358 - (3 seconds ago) I want to add my name in the file! - bob (HEAD, master)
#* 98c844b - (16 minutes ago) my third commit - charles (origin/master, origin/HEAD)
#* 327be69 - (16 minutes ago) my second commit - charles
#* 7562195 - (18 minutes ago) initial commit - charles

#T2> dans le terminal précédent:

cd && cd git
cd projet
USER=charles
git config --local user.name ${USER}
echo -e "lorem ispum \n titi \n Authors are us \n toto" > readme.md
git add readme.md
git commit -m "We should put our names in the file !"
#Et la on push comme avant
git push origin master
git lg1
#* 72f9bc3 - (4 seconds ago) We should put our names in the file ! - charles (HEAD, master)
#* 98c844b - (28 minutes ago) my third commit - charles
#* 327be69 - (28 minutes ago) my second commit - charles
#* 7562195 - (30 minutes ago) initial commit - charles

#T3> retour Terminal3

USER=bob
cd && cd gitBob/projet
git config --local user.name ${USER}
git push origin master
# ! [rejected] master -> master (fetch first)
#error: failed to push some refs to '/home/charles/serverTestGit/projet.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.

git fetch #on récupère l'état du dépot distant
git lg1 #on constate qu'une branche est apparue !
#* 72f9bc3 - (36 minutes ago) We should put our names in the file ! - charles (origin/master, #origin/HEAD)
#| * 199d358 - (48 minutes ago) I want to add my name in the file! - bob (HEAD, master)
#|/
#* 98c844b - (64 minutes ago) my third commit - charles
#* 327be69 - (64 minutes ago) my second commit - charles
#* 7562195 - (66 minutes ago) initial commit - charles

git checkout master #en fait, ici on y est déjà... mais les infos sont instructives !
#Already on 'master'
#Your branch and 'origin/master' have diverged,
#and have 1 and 1 different commit each, respectively.
# (use "git pull" to merge the remote branch into yours)
#charles@port-charles-elitebook:~/gitBob/projet$ git lg1

git pull
#Auto-merging readme.md
#CONFLICT (content): Merge conflict in readme.md
#Automatic merge failed; fix conflicts and then commit the result.

#Et voila ! on a un conflit entre les 2 versions !
#pas de pannique:
cat readme.md
#lorem ispum
# titi
#<<<<<<< HEAD
# Bob
#=======
# Authors are us
#>>>>>>> 72f9bc327dc6bcbb76de5a1fb5c78f4195ac164c
# toto

#C'est plutôt clair... HEAD étant ma version (celle de Bob, et l'autre, la distante - remote - celle de Charles)

#2 solutions:
#A la main : éditer readme.md, et le corriger
gedit readme.md

#Avec mergetool (meld par default) cf. https://gist.github.com/karenyyng/f19ff75c60f18b4b8149
#git mergetool

#et on a plus qu'a partager cet update (avec un nouveau commit)
git add readme.md
git ci -m "adding both authors is better after all"
git lg1
#* 878eb6a - (3 seconds ago) adding both authors is better after all - bob (HEAD, master)
#|\
#| * 72f9bc3 - (53 minutes ago) We should put our names in the file ! - charles (origin/master, origin/HEAD)
#* | 199d358 - (64 minutes ago) I want to add my name in the file! - bob
#|/
#* 98c844b - (80 minutes ago) my third commit - charles
#* 327be69 - (80 minutes ago) my second commit - charles
#* 7562195 - (82 minutes ago) initial commit - charles
git push origin master

#on note qu'une branche est apparue dans le projet. Pour éviter cela, on peut utiliser l'option --rebase lors du pull... à vous d'essayer !
#git pull --rebase #au bon moment évidemment !

h1.
Useful links

* example of .gitconfig: https://sourceforge.isae.fr/projects/iut_testing/repository/revisions/master/entry/.gitconfig
* this readme.md: https://sourceforge.isae.fr/projects/iut_testing/repository/revisions/master/entry/localGitTutorial.md
* tutorials:
- official: https://git-scm.com/docs/gittutorial
- interactive: https://www.katacoda.com/courses/git
- branching interactive: https://learngitbranching.js.org/
- smartgit: https://www.syntevo.com/smartgit/download/
- conflict solving https://gist.github.com/karenyyng/f19ff75c60f18b4b8149