Update misc.sh

AUTHORS.md

@@ -14,3 +14,4 @@ We thank all the contributors to the project. Here is the full list of the peopl
 * [Anton Maksimovich](https://github.com/ABSLord)
 * [Dmitriy Ivanko](https://github.com/Themanwhosmellslikesugar)
 * [Vladislav Iarovoy](https://github.com/IrovoyVlad)
+* [Daria Budarina](https://github.com/db-yaya)

helpers/misc.sh

@@ -14,6 +14,80 @@
 # You should have received a copy of the GNU General Public License
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
+# Adds the specified package name to the BASE_PACKAGES environment variable
+# which is a comma-separated list.
+# Globals:
+# BASE_PACKAGES
+# Arguments:
+# Package name
+# Returns:
+# None
+add_package_to_base_packages() {
+ if is_alpine; then
+ add_item_to_list "${1}" BASE_PACKAGES " "
+ else
+ add_item_to_list "${1}" BASE_PACKAGES ","
+ fi
+}
+
+# Adds the specified package name to the INCLUDES environment variable which is
+# a comma-separated list.
+# Globals:
+# INCLUDES
+# Arguments:
+# Package name
+# Returns:
+# None
+add_package_to_includes() {
+ add_item_to_list "${1}" INCLUDES ","
+}
+
+# Adds the specified options to the PM_OPTIONS environment variable which is
+# a space-separated list.
+# Globals:
+# PM_OPTIONS
+# Arguments:
+# option
+# Returns:
+# None
+add_option_to_pm_options() {
+ add_item_to_list "${1}" PM_OPTIONS " "
+}
+
+# Checks if Pieman is run in the docker container based on its official Docker
+# image cusdeb/pieman.
+# Globals:
+# None
+# Arguments:
+# None
+# Returns:
+# Boolean
+check_if_run_in_docker() {
+ if [ -f /.dockerenv ]; then
+ true
+ else
+ false
+ fi
+}
+
+
+# Creates a keyring from the public keys related to the operating system which
+# is going to be used as a base for the target image. Then, the keyring is
+# passed to debootstrap. The keyring name is stored in the KEYRING environment
+# variable.
+# Globals:
+# PIECES
+# KEYRING
+# Arguments:
+# None
+# Returns:
+# None
+create_keyring() {
+ for key in keys/"${PIECES[0]}"/*; do
+ gpg --no-default-keyring --keyring="${KEYRING}" --import "${key}"
+ done
+}
+
 # Encrypts the specified password using the SHA-512 method.
 # Globals:
 # PYTHON
@@ -37,3 +111,26 @@ do_wget() {
  wget.py "$@"
 }
 
+# Adds the public keys, related to the operating system which is used as a base
+# for the target image, to the list of trusted keys.
+# Globals:
+# PIECES
+# R
+# Arguments:
+# None
+# Returns:
+# None
+mark_keys_as_trusted() {
+ for key in keys/"${PIECES[0]}"/*; do
+ local key_name=""
+
+ key_name=$(basename "${key}")
+
+ cp "${key}" "${R}"
+
+ info "adding ${key} to the list of trusted keys"
+ chroot_exec apt-key add "${key_name}"
+
+ chroot_exec rm "${key_name}"
+ done
+}