auto/scripts/update-acng-config

   1 #!/bin/bash
   2
   3 set -e
   4 set -u
   5 set -o pipefail
   6
   7 list_origins () {
   8    find config/APT_snapshots.d/ -mindepth 1 -maxdepth 1 \
   9         -name '.placeholder' -o -printf '%f\n'
  10 }
  11
  12 print_tagged_snapshots_pool_url () {
  13    origin="$1"
  14    version="$2"
  15    printf \
  16        'http://tagged.snapshots.deb.tails.boum.org/%s/%s/pool/\n' \
  17        "$version" "$origin"
  18 }
  19
  20 conf=/etc/apt-cacher-ng/tails-snapshots.conf
  21 for origin in $(list_origins) ; do
  22    [ "$origin" != .placeholder ] || continue
  23    origin_without_dashes="${origin//-/}"
  24    echo "Remap-tailssnapshots${origin_without_dashes}pool: file:tails-time-based-snapshots-$origin-pool.list file:tails-tagged-snapshots-$origin-pool.list"
  25 done > "$conf"
  26 chmod 644 "$conf"
  27
  28 # Generate .list files for time-based snapshots
  29 for origin in $(list_origins) ; do
  30    list="/etc/apt-cacher-ng/tails-time-based-snapshots-$origin-pool.list"
  31    current_year=$(date '+%Y')
  32    for year in $(seq $((current_year - 1)) $((current_year + 1))) ; do
  33       for month in $(seq 1 12); do
  34          # We need the config file to contain _at least_ everything
  35          # that can possibly exists, and we don't care if it has some extra
  36          # lines, so to simplify we do as if each month had 31 days.
  37          for day in $(seq 1 31) ; do
  38             for n in $(seq 1 4) ; do
  39                printf 'http://time-based.snapshots.deb.tails.boum.org/%s/%04u%02u%02u%02u/pool/\n' \
  40                       "$origin" "$year" "$month" "$day" "$n"
  41             done
  42          done
  43       done
  44    done \
  45    > "$list"
  46    chmod 644 "$list"
  47 done
  48
  49 # Generate .list files for tagged snapshots
  50 for origin in $(list_origins) ; do
  51    list="/etc/apt-cacher-ng/tails-tagged-snapshots-$origin-pool.list"
  52    # We need the config file to contain _at least_ everything
  53    # that can possibly exists, and we don't care if it has some extra
  54    # lines, so here we try to build the smallest possible superset of
  55    # all realistic Tails version numbers; it could certainly be a tiny
  56    # bit smaller, at the cost of more assumptions (=> more risk of not
  57    # including some version number we'll end up using) or of more
  58    # code complexity (=> higher maintenance cost).
  59    #
  60    # XXX: Bookworm: bump the end of the range of major versions
  61    for major in $(seq 3 6); do
  62       for minor in $(seq 0 32); do
  63          for suffix in "" alpha beta rc ; do
  64             for suffix_n in "" $(seq 1 8); do
  65                if [ -z "$suffix" ]; then
  66                    version="${major}.${minor}"
  67                elif [ -z "$suffix_n" ]; then
  68                    version="${major}.${minor}-${suffix}"
  69                else
  70                    version="${major}.${minor}-${suffix}${suffix_n}"
  71                fi
  72                print_tagged_snapshots_pool_url "$origin" "$version"
  73             done
  74          done
  75          for emergency in $(seq 1 4) ; do
  76             version="${major}.${minor}.${emergency}"
  77             print_tagged_snapshots_pool_url "$origin" "$version"
  78          done
  79       done
  80    done > "$list"
  81    chmod 644 "$list"
  82 done