Script to migrate / move a git repository (incl. tags and branches) to new remote destination

git_migrate.sh

#!/bin/bash
# 
# Script migrates git repos incl. branches and tags
# from an old remote host to a new one
#

# Specify one old and new remote destination per line
# and separate them with a space
repos=(
    "git@git.inlupus.at:inlupus_servers/ansible_config.git git@github.com:inlupus/ansible_config.git"
);

for i in "${repos[@]}"; do
    from=$(echo $i | cut -d ' ' -f 1)
    to=$(echo $i | cut -d ' ' -f 2)

    tmpfolder=$(mktemp -d)

    echo "Migrating ${from} to ${to}"

    git clone ${from} ${tmpfolder}
    cd ${tmpfolder}

    git fetch -a 

    for branch in $(git branch --all | grep '^\s*remotes' | egrep --invert-match '(:?HEAD|master)$'); do
        git branch --track "${branch##*/}" "$branch"
    done

    git pull --all
    git remote add new-origin ${to}
    git push --all new-origin
    git push --tags new-origin

done;