Migrate git repoistories

migrate-git-repos.sh

#!/bin/bash

old_url="ssh://git@old.git.host:4711/"
new_url="ssh://git@new.git.host:4711/"
working_directory=$(pwd)

for dir in $(find $working_directory -maxdepth 1 -type d \( ! -name . \) -print); do
    is_using_git=$( { git -C $dir rev-parse --is-inside-work-tree; } 2>&1 )

    if [ "$is_using_git" == "true" ]; then
        src_url=$(git -C $dir remote get-url origin)
        dst_url=$(echo $src_url | sed "s,$old_url,$new_url,g")

        if [ "$src_url" == "$dst_url" ]; then
          echo "Repo '$(basename $dir)' already migrated ...SKIPPING"
          echo ""
          continue
        fi

        echo "Migrating '$(basename $dir)'..."

        echo "FROM $src_url"
        echo "TO:  $dst_url"
        read -r -p "Change URL? [Y/n] " response
        if [[ "$response" =~ ^([yY][eE][sS]|[yY])+$ ]] || [ -z $response ]; then
          git -C $dir remote set-url origin $dst_url
          echo "... DONE"
        else
          echo "... SKIP"
        fi
        echo ""
    fi
done