GitHub fork management scripts

setup-fork-again.sh

#!/bin/sh

## kind of any ugly hack
read checkout repo upstream<<EOF
`grep '^'$1 ./forks`
EOF

## clone the repository
rm -rf $checkout
git clone $repo

## ...we came in
cd $checkout

## configure the upstream remote
git remote add upstream $upstream

## everybody remember where we parked
origbranch=`git branch | fgrep '*' | awk '{print $2}'`

## set up all of the remote-tracking branches
for branch in `git branch -r | grep -v '\(^  upstream/\|^  origin/HEAD\)' | sed -e 's/  origin\///' | fgrep -v $origbranch`; do
    git checkout -b $branch --track origin/$branch
done

## isn't this where...
git checkout $origbranch
cd ..

## leave updating the remote-tracking branches for another script
#./update-fork $checkout

setup-fork.sh

#!/bin/sh

checkout="`basename $1`"
repo="git@github.com:$1"
upstream="git@github.com:$2/$checkout"

## clone the repository
git clone $repo

## ...we came in
cd $checkout

## configure the upstream remote
git remote add upstream $upstream
git fetch upstream

## everybody remember where we parked
origbranch=`git branch | fgrep '*' | awk '{print $2}'`

## set up all of the remote-tracking branches
for branch in `git branch -r | grep '^  upstream' | sed -e 's/  upstream\///'`; do
    if [ "$branch" != "$origbranch" ]; then
	git checkout -b $branch --track origin/$branch
    else
	## the default branch (usually `master` or `develop`) is
	## already set up to track its origin
	git checkout $branch
    fi
    git merge --ff-only upstream/$branch
    git push
done

## isn't this where...
git checkout $origbranch
cd ..

## add this repo to the list of checked out forks
echo $checkout $repo $upstream >> forks

update-fork.sh

#!/bin/sh

fork=$1

## make sure the fork exists
if [ ! -d $fork ]; then
    ./setup-fork-again $fork
fi

## ...we came in?
cd $fork

## sync with the upstream repo
branches=$(git fetch upstream 2>&1 | tee /dev/fd/2 | fgrep .. | awk '{print $2}')

## everybody remember where we parked
origbranch=`git branch | fgrep '*' | awk '{print $2}'`

## sync the branches updated upstream
for branch in $branches; do
    git checkout $branch
    git merge --ff-only upstream/$branch
    git push
done

## isn't this where...
git checkout $origbranch
cd ..

update-forks.sh

#!/bin/sh

while read checkout repo upstream
do
    ./update-fork $checkout
done < ./forks