Git and Github: version control for the 21st century

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PyLadies Montréal :: October 22, 2013 version control for the 21st century and :

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about me - Wendy Liu - Math & CS at McGill - 2.5 years experience with Git

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what is git?

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what is git? version control system!

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svn/perforce: local vs. remote comparison to other systems

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svn/perforce: local vs. remote hg/bzr: faster, more control comparison to other systems

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svn/perforce: local vs. remote hg/bzr: faster, more control cvs/rcs: no comparison comparison to other systems

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backup_dec_1_2012.zip backup_dec_8_2012.zip backup_dec_15_2012.zip backup_dec_22_2012.zip backup_dec_29_2012.zip backup_jan_5_2012.zip backup_jan_12_2012.zip backup_jan_19_2012.zip backup_jan_26_2012.zip

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report_v1.doc report_v2.doc report_v3.doc report_v4.doc

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keeps track of changes enter git.

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keeps track of changes extremely flexible enter git.

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keeps track of changes extremely flexible developed by linus torvalds enter git.

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keeps track of changes extremely flexible developed by linus torvalds completely free to use (and open source!) enter git.

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keeps track of changes extremely flexible developed by linus torvalds completely free to use (and open source!) primarily command-line enter git.

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website what is github?

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website collaborative coding, via git what is github?

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website collaborative coding, via git (mostly) free to use what is github?

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website collaborative coding, via git (mostly) free to use major part of developer ecosystem (esp. OSS) what is github?

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why git?

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why git? diffs

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why git? diffs backups

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why git? diffs backups collaboration

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what git can do for you versioning easy collaboration blame tracking down bugs safe experimentation statistics

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what github can do for you issue-tracking even easier collaboration remote backups access your files from anywhere graphical, easy-to-use UI

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now: how git works

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repository directory on filesystem just metadata (changes) manual grouping of changes

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commit group of logically-related changes 1 or more files (add/delete/modify)

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staging index CHANGES I WANT IN MY NEXT COMMIT ALL THE OTHER CHANGES

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git commit -m 'test' CHANGES I WANT IN MY NEXT COMMIT ALL THE OTHER CHANGES a new commit, with message 'test'

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CHANGES I WANT IN MY NEXT COMMIT ALL THE OTHER CHANGES the commit with message 'test' (nothing here yet)

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git demo

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github demo

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further resources help.github.com gitimmersion.com git-scm.com/book try.github.com git man pages (git help, git help [command]) github.com/Gazler/githug

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thanks! @dellsystem