Send patches - preferably formatted by git format-patch - to patches at archlinux32 dot org.
summaryrefslogtreecommitdiff
path: root/bin/delete-packages
blob: 35ce8dd10f34014397a50497d92966ded44c93bc (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
#!/bin/sh

# delete obsolete binary packages

# 1] Condition for deleting a package A is that:
#   a) nothing on the build-list (make|check|)depends on A and
#   b) no built package B which is not being deleted depends on A

# "Package x depends on package y" means, that something needed by x
# is provided by y and no other package which will not be deleted.

# shellcheck disable=SC2039
# shellcheck source=../conf/default.conf
. "${0%/*}/../conf/default.conf"

# TODO: delete other to-be-deleted packages if asked to do so

# shellcheck disable=SC2016
usage() {
  >&2 echo ''
  >&2 echo 'delete-packages [options]:'
  >&2 echo ' delete obsolete binary packages.'
  >&2 echo ''
  >&2 echo 'possible options:'
  >&2 echo '  -b|--block:       If necessary, wait for lock blocking.'
  >&2 echo '  -h|--help:        Show this help and exit.'
  >&2 echo '  -n|--no-action:   Only print what would be deleted.'
  [ -z "$1" ] && exit 1 || exit "$1"
}

eval set -- "$(
  getopt -o bhn \
    --long block \
    --long help \
    --long no-action \
    -n "$(basename "$0")" -- "$@" || \
  echo usage
)"

block_flag='-n'
no_action=false

while true
do
  case "$1" in
    -b|--block)
      block_flag=''
    ;;
    -h|--help)
      usage 0
    ;;
    -n|--no-action)
      no_action=true
    ;;
    --)
      shift
      break
    ;;
    *)
      >&2 echo 'Whoops, forgot to implement option "'"$1"'" internally.'
      exit 42
    ;;
  esac
  shift
done

if [ -s "${work_dir}/build-master-sanity" ]; then
  >&2 echo 'Build master is not sane.'
  exit
fi

# Create a lock file and a trap.

if ! ${no_action}; then

#  exec 9> "${build_list_lock_file}"
#  if ! flock ${block_flag} 9; then
#    >&2 echo 'come back (shortly) later - I cannot lock build list.'
#    exit 0
#  fi

  exec 8> "${package_database_lock_file}"
  if ! flock ${block_flag} 8; then
    >&2 echo 'come back (shortly) later - I cannot lock package database.'
    exit 0
  fi

  exec 7> "${sanity_check_lock_file}"
  if ! flock -s ${block_flag} 7; then
    >&2 echo 'come back (shortly) later - sanity-check running.'
    exit 0
  fi

fi

tmp_dir=$(mktemp -d "${work_dir}/tmp.delete-packages.XXXXXXXXXX")
trap 'rm -rf --one-file-system "${tmp_dir}"' EXIT

# shellcheck disable=SC2016
{
  printf 'CREATE TEMPORARY TABLE `to_deletes` (`id` BIGINT, UNIQUE KEY (`id`));\n'
  printf 'INSERT IGNORE INTO `to_deletes`'
  printf ' SELECT `binary_packages`.`id`'
  printf ' FROM `binary_packages`'
  mysql_join_binary_packages_dependencies
  mysql_join_dependencies_dependency_types
  printf ' AND `dependency_types`.`relevant_for_binary_packages`'
  mysql_join_binary_packages_repositories
  printf ' AND `repositories`.`is_on_master_mirror`'
  printf ' WHERE `binary_packages`.`is_to_be_deleted`'
  printf ' AND NOT EXISTS ('
    printf 'SELECT * FROM `install_target_providers`'
    mysql_join_install_target_providers_binary_packages '' 'prov_bp'
    mysql_join_binary_packages_repositories 'prov_bp' 'prov_r'
    mysql_join_repositories_repository_stabilities 'prov_r'
    printf ' WHERE `install_target_providers`.`install_target`=`dependencies`.`depending_on`'
    printf ' AND `repository_stabilities`.`name` NOT IN ("forbidden","virtual")'
  printf ');\n'

  printf ' SELECT DISTINCT "repo",`repositories`.`name`'
  printf ' FROM `to_deletes`'
  printf ' JOIN `binary_packages` ON `to_deletes`.`id`=`binary_packages`.`id`'
  mysql_join_binary_packages_repositories
  printf ';\n'

  printf ' SELECT "package",`repositories`.`name`,`binary_packages`.`pkgname`'
  printf ' FROM `to_deletes`'
  printf ' JOIN `binary_packages` ON `to_deletes`.`id`=`binary_packages`.`id`'
  mysql_join_binary_packages_repositories
  printf ';\n'

  printf ' SELECT "package-file",`repositories`.`name`,'
  mysql_package_name_query
  printf ' FROM `to_deletes`'
  printf ' JOIN `binary_packages` ON `to_deletes`.`id`=`binary_packages`.`id`'
  mysql_join_binary_packages_repositories
  mysql_join_binary_packages_architectures
  printf ';\n'

  printf ' SELECT "package-id",`to_deletes`.`id`'
  printf ' FROM `to_deletes`'
  printf ';\n'
} | \
  mysql_run_query | \
  sed '
    y/\t/ /
    /^repo /{
      s/^\S\+ //
      w '"${tmp_dir}"'/repositories
      d
    }
    /^package /{
      s/^\S\+ //
      w '"${tmp_dir}"'/packages
      d
    }
    /^package-file /{
      s/^\S\+ //
      s, ,/,
      w '"${tmp_dir}"'/package-files
      s/$/.sig/
      w '"${tmp_dir}"'/package-files
      d
    }
    /^package-id /{
      s/^\S\+ //
      w '"${tmp_dir}"'/package-ids
      d
    }
  '

if [ ! -s "${tmp_dir}/packages" ]; then
  printf 'Nothing to delete.\n'
  exit
fi

mkdir "${tmp_dir}/repos"

while read -r repo; do
  ${master_mirror_rsync_command} \
    "${master_mirror_rsync_directory}/i686/${repo}/${repo}.db.tar.gz" \
    "${master_mirror_rsync_directory}/i686/${repo}/${repo}.files.tar.gz" \
    "${tmp_dir}/repos/"

  tar -Oxzf "${tmp_dir}/repos/${repo}.db.tar.gz" --wildcards '*/desc' | \
    sed -n '
      /^%FILENAME%$/{
        N
        s/^\S\+\n\(\S\+-[^-.]\+\)\(-[^-]\+\)/\1.0\2 \1\2/
        T
        p
      }
    ' | \
    while read -r old new; do
      printf 's,/%s\\(\\.sig\\)\\?$,/%s\\1,\n' \
        "$(str_to_regex "${old}")" \
        "$(str_to_regex "${new}")"
    done >> \
    "${tmp_dir}/sub_pkgrel-removal.sed"

  # shellcheck disable=SC2046
  repo-remove "${tmp_dir}/repos/${repo}.db.tar.gz" \
    $(
      grep "^$(str_to_regex "${repo}") " "${tmp_dir}/packages" | \
        cut -d' ' -f2
    )
  if ! ${no_action}; then
    ${master_mirror_rsync_command} \
      "${tmp_dir}/repos/${repo}.db.tar.gz" \
      "${tmp_dir}/repos/${repo}.files.tar.gz" \
      "${master_mirror_rsync_directory}/i686/${repo}/"
  fi
done < \
  "${tmp_dir}/repositories"

if [ -s "${tmp_dir}/sub_pkgrel-removal.sed" ]; then
  sed -i -f "${tmp_dir}/sub_pkgrel-removal.sed" "${tmp_dir}/package-files"
fi

if ${no_action}; then
  printf 'Now, I would remove the packages from the database and delete the following files from the master mirror:\n'
  sed '
    s,^,  ,
  ' "${tmp_dir}/package-files"
  exit
fi

# shellcheck disable=SC2016
{
  printf 'CREATE TEMPORARY TABLE `to_deletes` (`id` BIGINT, UNIQUE KEY (`id`));\n'
  printf 'LOAD DATA LOCAL INFILE "%s" INTO TABLE `to_deletes`;\n' \
    "${tmp_dir}/package-ids"

  printf 'UPDATE `binary_packages` '
  printf ' JOIN `to_deletes` ON `to_deletes`.`id`=`binary_packages`.`id`'
  mysql_join_binary_packages_repositories
  mysql_join_binary_packages_architectures
  printf ' SET `repository`=('
    printf 'SELECT `repositories`.`id`'
    printf ' FROM `repositories`'
    printf ' WHERE `repositories`.`name`="deletion-list"'
  printf ');\n'
} | \
  mysql_run_query

sed '
  s,^,rm "i686/,
  s,$,",
' "${tmp_dir}/package-files" | \
  ${master_mirror_sftp_command}