minimize_installation() {
_INSTALL_TAGS="$@"
- test ! $(which calc) && apt-get -y -q -q install calc
-
echo '### minimize_installation: narrow system to what is required explicitly by us and Debian'
- _PATH_LIST_PREFIX=/tmp/list_
_TOK_REQ=' required'
+ _PATH_LIST_PREFIX=/tmp/list_
+ _PATH_LIST_UNSORTED="${_PATH_LIST_PREFIX}unsorted"
+ _PATH_LIST_WHITE="${_PATH_LIST_PREFIX}white"
+ _PATH_LIST_ALL_PACKAGES="${_PATH_LIST_PREFIX}all_packages"
+ _PATH_LIST_BLACK="${_PATH_LIST_PREFIX}black"
+
+ if ! which -s calc; then
+ echo '# not found calc, which is needed, so installing …'
+ apt_get_edited '-q -q install calc'
+ fi
echo "# Collect packages deemed '${_TOK_REQ}' by Debian: "
- _PATH_LIST_UNSORTED="${_PATH_LIST_PREFIX}unsorted"
dpkg-query -Wf '${Package} ${Priority}\n' | grep "${_TOK_REQ}" | cut -d' ' -f1 > "${_PATH_LIST_UNSORTED}"
- _PATH_LIST_WHITE="${_PATH_LIST_PREFIX}white"
sort "${_PATH_LIST_UNSORTED}" > "${_PATH_LIST_WHITE}"
echo $(cat "${_PATH_LIST_WHITE}")
echo -n '# Collect installed packages outside this selection: '
dpkg-query -Wf '${Package}\n' > "${_PATH_LIST_UNSORTED}"
- _PATH_LIST_ALL_PACKAGES="${_PATH_LIST_PREFIX}all_packages"
sort "${_PATH_LIST_UNSORTED}" > "${_PATH_LIST_ALL_PACKAGES}"
- _PATH_LIST_BLACK="${_PATH_LIST_PREFIX}black"
comm -3 "${_PATH_LIST_ALL_PACKAGES}" "${_PATH_LIST_WHITE}" > "${_PATH_LIST_BLACK}"
echo $(cat "${_PATH_LIST_BLACK}")