Remove commit and repo metadata

git-repo-redact.sh

#!/bin/bash
COMMIT_AUHTOR_NAME='Your name'
COMMIT_AUTHOR_EMAIL='Your e-mail'
COMMIT_DATE_TODAY=$(date '+%Y-%m-%d')" 00:00:00"

# Change commits author and date
git filter-branch -f --env-filter "
    GIT_AUTHOR_NAME='$COMMIT_AUHTOR_NAME'
    GIT_AUTHOR_EMAIL='$COMMIT_AUTHOR_EMAIL'
    GIT_COMMITTER_NAME='$COMMIT_AUHTOR_NAME'
    GIT_COMMITTER_EMAIL='$COMMIT_AUTHOR_EMAIL'
    GIT_COMMITTER_DATE='$COMMIT_DATE_TODAY'
    GIT_AUTHOR_DATE='$COMMIT_DATE_TODAY'
  " HEAD;

# Remove all tags, as it contains past commits information
git tag | xargs git tag -d;

# Remove all remotes
git remote | xargs -n1 git remote remove

# Remove all branches, except current
git branch | grep -v $(git rev-parse --abbrev-ref HEAD) | xargs git branch -D;