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DEAD-SIMPLE VERSION CONTROL FOR YOUR TEAM GIT WITH MATTHEW REIDSMA GRAND VALLEY STATE UNIVERSITY

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WHO DOESN’T USE VERSION CONTROL?

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VERSION CONTROL WHO?

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OH BOY.

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WHY YOU NEED VERSION CONTROL

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GIT

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GIT

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WHY GIT IS AWESOME

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HOW GIT WORKS

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WORKING DIRECTORY

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WORKING DIRECTORY INDEX (STAGING AREA) add

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WORKING DIRECTORY INDEX (STAGING AREA) LOCAL REPOSITORY add commit

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WORKING DIRECTORY INDEX (STAGING AREA) LOCAL REPOSITORY REMOTE REPOSITORY add commit push

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My-Computer: mreidsma$ _

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My-Computer: mreidsma$ _ SCARY

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$cd MyAwesomeApp

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$cd MyAwesomeApp $touch index.html

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$cd MyAwesomeApp $git init Initialized empty Git repository in /MyAwesomeApp/.git/ $touch index.html

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$cd MyAwesomeApp $git init Initialized empty Git repository in /MyAwesomeApp/.git/ $git add . $touch index.html

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$cd MyAwesomeApp $git init Initialized empty Git repository in /MyAwesomeApp/.git/ $git add . $git status # On branch master # Changes to be committed: # (use "git reset HEAD ..." to unstage) # #! new file: index.html # $touch index.html

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$git commit -m “First commit” [master (root-commit) 7ce2952] First commit 1 file changed, 2 insertions(+) create mode 100644 index.html

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$git commit -m “First commit” $git remote add origin git@github.com:gvsulib/ awesomeapp.git [master (root-commit) 7ce2952] First commit 1 file changed, 2 insertions(+) create mode 100644 index.html

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$git commit -m “First commit” $git remote add origin git@github.com:gvsulib/ awesomeapp.git [master (root-commit) 7ce2952] First commit 1 file changed, 2 insertions(+) create mode 100644 index.html $git push origin master

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BRANCHING

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[master]

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[master]

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[master]

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[master]

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[master]

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[master] [branch]

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[master] [branch]

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[master] [branch] merge

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BRANCHES ARE CHEAP

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$cd MyAwesomeApp

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$cd MyAwesomeApp $git branch newFeature

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$cd MyAwesomeApp $git checkout newFeature $git branch newFeature Switched to branch ‘newFeature’

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$cd MyAwesomeApp $git checkout newFeature $git branch newFeature Switched to branch ‘newFeature’

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$cd MyAwesomeApp $git checkout newFeature $git add . $git branch newFeature Switched to branch ‘newFeature’

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$cd MyAwesomeApp $git checkout newFeature $git add . $git status # On branch newFeature # Changes to be committed: # (use "git reset HEAD ..." to unstage) # #! modified: index.html # $git branch newFeature Switched to branch ‘newFeature’

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$git commit -m “Best feature ever” [newFeature 18q7d58] Best feature ever 1 file changed, 1 insertions(+)

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$git commit -m “Best feature ever” $git checkout master [newFeature 18q7d58] Best feature ever 1 file changed, 1 insertions(+) Switched to branch ‘master’

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$git commit -m “Best feature ever” $git checkout master [newFeature 18q7d58] Best feature ever 1 file changed, 1 insertions(+) $git merge newFeature Switched to branch ‘master’ Updating 7ce2952..18q7d58 index.html | 1 + 1 file changed, 1 insertion(+)

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BUT YOU CHANGED THE FILE

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WORKFLOWS

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LOCAL

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LOCAL REMOTE

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LOCAL LOCAL

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LOCAL REMOTE LOCAL

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LOCAL LOCAL REMOTE WEB SERVER

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LOCAL LOCAL REMOTE WEB SERVER

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HOW WE DO IT @ GVSU

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GITHUB

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GITHUB WEB SERVER

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MASTER IS ALWAYS DEPLOYABLE

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$ssh username@gvsu.edu

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$ssh username@gvsu.edu $git mkdir MyAwesomeApp

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$ssh username@gvsu.edu $git cd MyAwesomeApp $git mkdir MyAwesomeApp

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$ssh username@gvsu.edu $git cd MyAwesomeApp remote: Counting objects: 1, done. remote: Compressing objects: 100% (1/1), done. remote: Total 1 (delta 21), reused 1 (delta 14) Unpacking objects: 100% (1/1), done. $git mkdir MyAwesomeApp $git clone https://github.com/gvsulib/ awesomeapp.git Cloning into awesomeapp...

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$ssh username@gvsu.edu

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$ssh username@gvsu.edu $git cd MyAwesomeApp

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$ssh username@gvsu.edu $git cd MyAwesomeApp $git pull origin master

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BUT

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https://gist.github.com/3138516

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OTHER FANCY FEATURES

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.gitignore

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diff

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log

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filter-branch

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stash

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reset

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RESOURCES John Fink: A Gentle Introduction to Modern Version Control http://acrl.ala.org/techconnect/?p=1191 Flashbake - automated git for writers http:/bitbucketlabs.net/flashbake Download git http://git-scm.com Git Reference http://gitref.org Git and Github Bootcamp http://help.github.com/articles/set-up-git

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THANK YOU reidsmam@gvsu.edu @mreidsma http://github.com/mreidsma http://github.com/gvsulib