A parallel replacement for apt-mirror

docker build -t mirrorly .

mkdir </path/to/mirror>
docker run --rm -v </path/to/mirror>:/mirror mirrorly

mkdir </path/to/mirror>
docker run --rm -v </path/to/mirror>:/mirror -v </path/to/mirrorly.conf>:/etc/mirrorly.conf -v </path/to/mirror.list>:/etc/apt/mirror.list mirrorly

1. Copy mirrorly.conf to /etc
2. Copy mirror.list to /etc/apt
3. Run mirrorly

1. Collect repos from mirror.list

2. Download Packages.gz from mirror
3. Assemble list of sizes/urls/paths and md5sums
4. Check which files are already present on disk
5. Make a list of files that are not present on disk
6. Download needed files via curl+parallel

7. Download needed things in dist
8. Make a list of files that are not present in Packages.gz
9. Remove unneeded files on disk