clear_goldfig_commits.sh

#/bin/bash

set -e

# switch to master
git checkout master

# Find all commits added by Gold Fig
commit_ids=$(git log --author=gold-fig --format=%H)

# Check if we're running for real
if [ $1 = "--delete" ]; then
    dry_run=false
    # Create a backup branch
    git checkout -b gold_fig_backup
    git checkout master
else
    dry_run=true
fi

for commit_id in $commit_ids
do
    if [ "$dry_run" = true ]; then
	      # Just print the commit to delete
	      echo $(git log $commit_id)
    else
	      # Remove the commit from the log
	      echo "Deleting ${commit_id}"
	      git rebase --onto ${commit_id}^ ${commit_id} master
    fi
done

if [ "$dry_run" = false ]; then
    echo "Use git push origin master --force to remove the gold fig commits from github"
    echo "Use git reset --hard gold_fig_backup to restore master to its prior state, with the gold fig commits"
    echo "Use git branch -D gold_fig_backup to remove the backup branch"
fi