git demo of what happens when you try to push to a working copy

git_funky.sh

#!/bin/sh
# try out cloning and pushing using a working copy in git
#

function log() {
  echo
  echo "***** $1"
  echo
}

log "cleaning up"

rm -rfv git_funky/ 1>/dev/null

log "ok here we go"

mkdir git_funky
cd git_funky

log "new working copy..."

mkdir working
cd working
git init
echo "one" >> foo.txt
echo "two" >> foo.txt
echo "three" >> foo.txt

git add foo.txt
git commit -m "adding foo"

echo "four" >> foo.txt
git commit -am "adding four to foo"

log "ok, working copy is in place, with 'history'"

git log --pretty=oneline
cd ../

log "cloning from working copy"

git clone working/.git copy
cd copy

log "we've got a clone in copy/ now:"

git show

log "ok, now make some changes in the working copy, but don't commit them"

cd ../working
echo "first
second
third
fourth" > foo.txt

git diff

log "now make a similar change in the clone, then push it back to the working copy"

cd ../copy
echo "uno
dos
three
four" > foo.txt
git ci -am "spanish lol"

git push

log "kaboom! so now enable that in the working copy, just to see"

cd ../working
git config receive.denyCurrentBranch warn
cd ../copy
git push

log "now look at the diff in the working copy..."

cd ../working
git diff


log "whoa crazy, that looks fine. what happened to uno, dos?"

git diff --cached

log "neat, it's in the index... so what happens if i do it again?"

cd ../copy
echo "five" >> foo.txt
git ci -am "adding five!"

git push

cd ../working
git diff
git diff --cached