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secrets Git GitHub &

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git branch -D local-branch git push origin :local-branch

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Much like James Cameron’s Avatar™, Git doesn’t make any goddamn sense

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This talk throws a ton of stuff at you

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This talk throws a ton of stuff at you (Not unlike James Cameron’s Avatar™, btw)

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Learn the bits that make you more productive

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secrets Git GitHub &

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merge strategies

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strategy defaults: one head: recursive multiple heads: octopus merge strategies

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merge strategies git merge master -s strategy

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git merge master -s ours merge strategies

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git merge master -s ours “Give me master, but my final state should match my current branch” merge strategies

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git merge master -s ours Great for when your long-running branch will supersede master merge strategies

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git merge master \ -s recursive merge strategies

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git merge master \ -s recursive -X patience merge strategies Be er line matching for logical groups

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merge strategies — patience { :a => :b }

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{ :a => :b } { :c => :d } merge strategies — patience

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{ :a => :b +} + +{ + :c => :d } merge strategies — patience

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{ :a => :b } +{ + :c => :d +} merge strategies — patience

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git merge master \ -s recursive -X patience merge strategies Can also set as a global option

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merge strategies › man git-merge # look at “Merge Strategies”

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The second-order-diff trick

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the second-order-diff trick Tom Moertel ( cl.ly/QNaG )

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the second-order-diff trick Goal: transform strings with a regex in project

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the second-order-diff trick Approach: re-run git diff and git reset until the regex is correct

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the second-order-diff trick Problem: it sucks to review the diff each time

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the second-order-diff trick Solution: stash, then diff against stash{0}

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the second-order-diff trick › git status # clean

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the second-order-diff trick › ./run-regex-script

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the second-order-diff trick › git diff # review and check output

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the second-order-diff trick › git stash # stash your reviewed diff

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the second-order-diff trick › ./run-regex-script

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the second-order-diff trick › git diff stash{0} # only incremental changes

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the second-order-diff trick Find and replace in projects without worrying

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emoji diffs

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emoji diffs Yeah this is important

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emoji diffs Git diffs unicode poorly:

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emoji diffs

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emoji diffs Git uses less as its pager

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emoji diffs git --no-pager diff

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emoji diffs

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emoji diffs

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emoji diffs

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emoji diffs

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git stripspace

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git stripspace Fixes horrible coworkers and contributors

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git stripspace Strips trailing whitespace, collapses newlines, adds a final newline

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git stripspace git stripspace < file

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git stripspace echo “hi \n” | git stripspace

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git stripspace Run this in your editor a er file saves

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git diff --check

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git diff --check Fixes horrible you.

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run.sh:1: trailing whitespace. +echo “hi” . git diff --check

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run.sh:1: space before tab in indent. + ls -la git diff --check

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git diff --cached

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git diff --cached git diff only diffs unstaged changes

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git diff --cached Shows staged (but uncommi ed) changes

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HOT, HOT, TRIVIA BREAK

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Which of these commit messages actually happened on GitHub?

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1. A reasoned argument, citing sources 2. A 500MB db dump

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1. A reasoned argument, citing sources 2. A 500MB db dump

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“Why is my repository slow?”

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git merge --abort

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git merge --abort Aborts a conflicted merge

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git merge --abort Resets your tree

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git merge -m “message”

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git merge -m Like commit -m but populates the merge commit

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git merge --no-commit

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git merge --no-commit Merges without a commit message

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git status --ignored

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git status --ignored Shows the status of everything you’re ignoring

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--assume-unchanged

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--assume-unchanged Temporarily ignore a file

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--assume-unchanged git update-index \ --assume-unchanged \ path_to_file

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--assume-unchanged git update-index \ --no-assume-unchanged \ path_to_file

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proper messages

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proper messages Linus has thoughts on your commit messages

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proper messages git commit -m “fixes shit”

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proper messages git commit -m “fixes shit” is not what he had in mind

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proper messages A good commit has:

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proper messages Short summary (title) A longer description of the change follows.

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proper messages Short summary (title) < 50c

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proper messages Short summary (title) A longer description of the change follows. < 50c

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proper messages Short summary (title) A longer description of the change follows. < 50c wrap at 72c

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proper messages

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proper messages git-commit helps you write perfect messages

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proper messages

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proper messages 50c

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proper messages

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proper messages wraps at 72c

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proper messages Assumes your $EDITOR is vim

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proper messages export EDITOR=vim

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proper messages Assumes you have syntax highlighting on

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proper messages syntax on ~/.vimrc

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proper messages Assumes you have plugin indenting on

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proper messages filetype indent plugin on ~/.vimrc

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secrets Git GitHub &

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canonical URLs

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y press

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press y

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y This page won’t change, even if the branch does

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curlable public keys

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h ps:/ / /holman.keys

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Plaintext, non-authed access to public keys /user.keys

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Programmatically add SSH keys /user.keys

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fetching pulls

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fetching pulls Accepting a Pull Request: Add a remote, fetch branch, merge

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fetching pulls Lots of boring commands

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fetching pulls GitHub stores all Pull Requests in your repository

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fetching pulls This means we can track code even if the fork is deleted

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fetching pulls You can abuse this, too!

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fetching pulls git fetch origin pull/id/head:name

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fetching pulls git fetch origin pull/12/head:pr

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fetching pulls git fetch origin pull/12/head:pr fetches Pull Request #12 into a branch named “pr”

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fetching pulls Automate this within helper scripts or an alias

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live updates

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HOT, HOT, TRIVIA BREAK

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Most frequent Emoji used on GitHub:

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#5 :clap:

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#4 :+1:

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#3 :-1:

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#2 :sparkles:

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#1 :shipit:

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quick quotes

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quick quotes Markdown uses . for blockquotes >

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quick quotes

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quick quotes r Highlight and press .

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quick quotes

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quick quotes

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browse stars

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h p:/ / /stars / brianmario

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web flow

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web flow You can do a lot without leaving the browser

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web flow Documentation, prose, quick fixes, switching away from nosql

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web flow

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web flow

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web flow

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web flow

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web flow

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web flow

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web flow Frees you from git clone

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issue autocomplete

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issue autocomplete Type , get a search #

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repo redirects

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repo redirects Rename your repository and GitHub will redirect old URLs

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in-repo licensing

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in-repo licensing You can add licenses to existing repos, too

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in-repo licensing

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in-repo licensing

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in-repo licensing (also works for .gitignore)

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file finder

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file finder Type , find in project t

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file finder

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task lists

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task lists Use issues and pulls as todo lists

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task lists - [ ] Use NoSQL - [ ] Use today's trendiest language - [ ] Do what our VC tells us - [ ] Comment on Hacker News - [ ] Profit

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task lists

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task lists

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task lists - [x] Use NoSQL - [x] Use today's trendiest language - [x] Do what our VC tells us - [x] Comment on Hacker News - [ ] Profit

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task lists

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fork URLs

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fork URLs

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fork URLs h ps:/ / /user / repo / fork

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fork URLs README links

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fork URLs

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Remember:

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Git is probably terrible

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But it’s also neato

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Thanks!