Script to create a private remote on GitHub (using the REST API) and pushing `--all` refs to it from a local repo. Useful if you have many local experimental repos and no remotes for backup.

github-all-the-things.sh

#!/usr/bin/env bash

REPO_DIR=$1

if [ -z $GH_USERNAME ] || [ -z $GH_PASSWORD ]; then
  echo "Env vars GH_USERNAME and GH_PASSWORD are required."
  exit 1
fi
if [ -z $REPO_DIR ]; then
  echo "You must specify a repo directory as first argument to this command."
  exit 1
fi
CREDENTIALS="$GH_USERNAME:$GH_PASSWORD"
cd "$REPO_DIR"
if [ ! -d .git ]; then
  echo Not a git repo
  exit 1
fi
REPO_NAME=`basename $PWD`
echo Repo name based on directory name is \"$REPO_NAME\"
git remote get-url origin &>/dev/null && echo "Repo $REPO_NAME already has a remote called origin. Exiting..." && exit 1

require_clean_work_tree () {
    # Update the index
    git update-index -q --ignore-submodules --refresh
    err=0

    # Disallow unstaged changes in the working tree
    if ! git diff-files --quiet --ignore-submodules --
    then
        echo >&2 "cannot $1: you have unstaged changes."
        git diff-files --name-status -r --ignore-submodules -- >&2
        err=1
    fi

    # Disallow uncommitted changes in the index
    if ! git diff-index --cached --quiet HEAD --ignore-submodules --
    then
        echo >&2 "cannot $1: your index contains uncommitted changes."
        git diff-index --cached --name-status -r --ignore-submodules HEAD -- >&2
        err=1
    fi

    if [ $err = 1 ]
    then
        echo >&2 "Please commit or stash them."
        exit 1
    fi
}

EMPTY_TREE_HASH=`git hash-object -t tree /dev/null`
if [ $(git write-tree) == "$EMPTY_TREE_HASH" ] || ! (require_clean_work_tree --)
then
  echo Uncommitted changes
  git checkout -b before-githubbing-the-things
  git add .
  git commit -m"Comitting untracked changes before backing up repo"
fi


curl --fail --silent -u "$CREDENTIALS" -X POST -i https://api.github.com/user/repos -d '
{
  "name": "'$REPO_NAME'",
  "description": "Private GitHub repo generated automatically",
  "homepage": "https://github.com",
  "private": true,
  "has_issues": false,
  "has_projects": false,
  "has_wiki": false
}'

echo Pushing to "https://github.com/$GH_USERNAME/$REPO_NAME.git"
git push --all "https://$CREDENTIALS@github.com/$GH_USERNAME/$REPO_NAME.git"
git remote add origin "https://github.com/$GH_USERNAME/$REPO_NAME.git"