github.com/ojongerius/docker@v1.11.2/hack/make/clean-apt-repo (about)

     1  #!/bin/bash
     2  set -e
     3  
     4  # This script cleans the experimental pool for the apt repo.
     5  # This is useful when there are a lot of old experimental debs and you only want to keep the most recent.
     6  #
     7  
     8  : ${DOCKER_RELEASE_DIR:=$DEST}
     9  APTDIR=$DOCKER_RELEASE_DIR/apt/repo/pool/experimental
    10  : ${DOCKER_ARCHIVE_DIR:=$DEST/archive}
    11  DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
    12  
    13  latest_versions=$(dpkg-scanpackages "$APTDIR" /dev/null 2>/dev/null | awk -F ': ' '$1 == "Filename" { print $2 }')
    14  
    15  # get the latest version
    16  latest_docker_engine_file=$(echo "$latest_versions" | grep docker-engine)
    17  latest_docker_engine_version=$(basename ${latest_docker_engine_file%~*})
    18  
    19  echo "latest docker-engine version: $latest_docker_engine_version"
    20  
    21  # remove all the files that are not that version in experimental
    22  pool_dir=$(dirname "$latest_docker_engine_file")
    23  old_pkgs=( $(ls "$pool_dir" | grep -v "^${latest_docker_engine_version}" | grep "${latest_docker_engine_version%%~git*}") )
    24  
    25  echo "${old_pkgs[@]}"
    26  
    27  mkdir -p "$DOCKER_ARCHIVE_DIR"
    28  for old_pkg in "${old_pkgs[@]}"; do
    29  	echo "moving ${pool_dir}/${old_pkg} to $DOCKER_ARCHIVE_DIR"
    30  	mv "${pool_dir}/${old_pkg}" "$DOCKER_ARCHIVE_DIR"
    31  done
    32  
    33  echo
    34  echo "$pool_dir now has contents:"
    35  ls "$pool_dir"
    36  
    37  # now regenerate release files for experimental
    38  export COMPONENT=experimental
    39  source "${DIR}/update-apt-repo"
    40  
    41  echo "You will now want to: "
    42  echo "   - re-sign the repo with hack/make/sign-repo"
    43  echo "   - re-generate index files with hack/make/generate-index-listing"