Tidy up and add's slides on remotes

shell/add-remote

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+(
+rm -rf /tmp/demo-remote
+mkdir -p /tmp/demo-remote
+git init --bare /tmp/demo-remote
+git remote remove origin
+) > /dev/null 2>&1
+
+cd /tmp/demo
+echo '$ git remote add origin /tmp/demo-remote'
+git remote add origin /tmp/demo-remote
+echo '$ git remote'
+git remote
+echo '$ git remote get-url origin'
+git remote get-url origin

shell/fetch-merge-pull

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+
+DIR="$(dirname "$(readlink -f "$0")")"
+(
+rm -rf /tmp/demo-clone
+git clone /tmp/demo-remote /tmp/demo-clone
+cd /tmp/demo-clone
+git config user.name "Bob Bobbington"
+cp "${DIR}/../code-examples/python-with-cow.py" greeting.py > /dev/null
+git add greeting.py
+git commit -m "Adds Cow option"
+git push
+) > /dev/null 2>&1
+
+cd /tmp/demo/
+echo '$ git fetch'
+git fetch
+
+echo '$ git status'
+git -c color.ui=always status
+
+echo '$ git log --oneline --all --graph'
+git -c color.ui=always log --oneline --all --graph --decorate=short
+
+echo '$ git merge'
+git -c color.ui=always merge origin/master

shell/set-upstream-push

@@ -0,0 +1,12 @@
+#!/usr/bin/env bash
+
+cd /tmp/demo
+
+echo '$ git branch --set-upstream-to=origin/master master'
+git branch --set-upstream-to=origin/master master
+
+echo '$ git push'
+git push
+
+echo '$ git status'
+git -c color.ui=always status