Pull git repository from one source and mirrors it to another remote. Saves a full bundle (--all) of the repository.

git_mirror_and_bundle.sh

#!/bin/bash

# FIXME: add show_help function
# FIXME: add example how to use it

# A POSIX variable
OPTIND=1         # Reset in case getopts has been used previously in the shell.

# Initialize our own variables:
mirror_dir=mirror
archive_dir=archive
identity_file="~/.ssh/id_rsa"

while getopts "h?a:i:m:" opt; do
    case "$opt" in
    h|\?)
        show_help
        exit 0
        ;;
    a)  archive_dir=$OPTARG
        ;;
    i)  identity_file=$OPTARG
        ;;
    m)  mirror_dir=$OPTARG
        ;;
    esac
done

shift $((OPTIND-1))

[ "$1" = "--" ] && shift

mirror_dir=$(readlink -f ${mirror_dir})
archive_dir=$(readlink -f ${archive_dir})

echo "mirror_dir='$mirror_dir', archive_dir='$archive_dir', identity_file=$identity_file Leftovers: $@"

if [ ! -d "$mirror_dir" ]; then
  # Control will enter here if $DIRECTORY doesn't exist.
  echo $mirror_dir does not exist.
  exit 1;
fi
mkdir -p $archive_dir


pushd $mirror_dir
pwd | xargs echo Entering

for d in */*/ ; do
    pushd $d
    pwd | xargs echo Entering
    
    archive_name=$(echo $d | tr '/' '_')
    len=${#archive_name}-1
    archive_name=${archive_name:0:len}
    
    ssh-agent bash -c "git fetch -p origin; ssh-add $identity_file; git push --mirror"
    git bundle create $archive_dir/$archive_name.bundle --all

    pwd | xargs echo Leaving
    popd
done

pwd | xargs echo Leaving
popd


# End of file