Installer installiert Pakete

functions.sh

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+setColors() {
+  COL_NC='\e[0m' # No Color
+  COL_LIGHT_GREEN='\e[1;32m'
+  COL_LIGHT_RED='\e[1;31m'
+  TICK="[${COL_LIGHT_GREEN}✓${COL_NC}]"
+  CROSS="[${COL_LIGHT_RED}✗${COL_NC}]"
+  INFO="[i]"
+  # shellcheck disable=SC2034
+  DONE="${COL_LIGHT_GREEN} done!${COL_NC}"
+  OVER="\\r\\033[K"
+}
+
+prepare_screen() {
+  screen_size=$(stty size 2>/dev/null || echo 24 80)
+  rows=$(echo "$screen_size" | awk '{print $1}')
+  columns=$(echo "$screen_size" | awk '{print $2}')
+  # Divide by two so the dialogs take up half of the screen, which looks nice.
+  r=$(( rows / 2 ))
+  c=$(( columns / 2 ))
+  # Unless the screen is tiny
+  r=$(( r < 20 ? 20 : r ))
+  c=$(( c < 70 ? 70 : c ))
+}
+
+show_ascii_berry() {
+  echo -e "
+        ${COL_LIGHT_GREEN}.;;,.
+        .ccccc:,.
+         :cccclll:.      ..,,
+          :ccccclll.   ;ooodc
+           'ccll:;ll .oooodc
+             .;cll.;;looo:.
+                 ${COL_LIGHT_RED}.. ','.
+                .',,,,,,'.
+              .',,,,,,,,,,.
+            .',,,,,,,,,,,,....
+          ....''',,,,,,,'.......
+        .........  ....  .........
+        ..........      ..........
+        ..........      ..........
+        .........  ....  .........
+          ........,,,,,,,'......
+            ....',,,,,,,,,,,,.
+               .',,,,,,,,,'.
+                .',,,,,,'.
+                  ..'''.${COL_NC}
+"
+}
+is_command() {
+    # Checks to see if the given command (passed as a string argument) exists on the system.
+    # The function returns 0 (success) if the command exists, and 1 if it doesn't.
+    local check_command="$1"
+
+    command -v "${check_command}" >/dev/null 2>&1
+}
+package_manager_detect() {
+  if is_command apt-get ; then
+    PKG_MANAGER="apt-get"
+    UPDATE_PKF_CACHE="${PKG_MANAGER} update"
+    PKG_INSTALL=("${PKG_MANAGER}" -qq --no-install-recommends install)
+  elif is_command rpm ; then
+    if is_command dnf ; then
+      PKG_MANAGER="dnf"
+    else
+      PKG_MANAGER="yum"
+    fi
+  PKG_INSTALL=("${PKG_MANAGER}" install -y)
+fi
+}
+install_dependencies() {
+  declare -a installArray
+  for i in "$@"; do
+    printf "  %b Checking for %s...\\n" "${INFO}" "${i}"
+    if is_command ${i} ; then
+      printf "  %b Checking for %s\\n" "${TICK}" "${i}"
+    else
+      printf "  %b Checking for %s (will be installed)\\n" "${CROSS}" "${i}"
+      installArray+="${i}"  
+    fi
+  done
+  if [[ "${#installArray[@]}" -gt 0 ]]; then
+    printf "  %b Processing %s install(s) for: %s, please wait...\\n" "${INFO}" "${PKG_MANAGER}" "${installArray[*]}"
+    printf '%*s\n' "$columns" '' | tr " " -;
+    "${SUDO}" "${PKG_INSTALL[@]}" "${installArray[@]}"
+    printf '%*s\n' "$columns" '' | tr " " -;
+  fi
+}