wont rebuild, added message.

`docker run` dont support using new images just by restarting.
Containers need to be stopped, removed and started again to run on the new image.
Hence wont auto-update all containers, just their images and the user has to manually recreate each container.

dockcheck_docker-run_ver.sh

@@ -1,7 +1,9 @@
 #!/bin/bash
 
-### DOCKER RUN - VERSION.
-### If running docker compose, use the main version.
+### DOCKER RUN - VERSION
+
+### WARNING WONT REBUILD CONTAINERS - ONLY GRAB NEW IMAGES
+### If running docker compose, use the main version. (recommended!)
 
 # Help Function:
 Help() {
@@ -10,25 +12,17 @@ Help() {
   echo
   echo "Options:"
   echo "-h     Print this Help."
-  echo "-a     Automatic updates, without interaction."
+  echo "-a|y   Automatic updates, without interaction."
   echo "-n     No updates, only checking availability."
 }
 
-while getopts "anh" options; do
+while getopts "aynh" options; do
   case "${options}" in
-    a)
-      UpdYes="yes"
-      ;;
-    n)
-      UpdYes="no"
-      ;;
-    h|*) # help or unknown option:
-      Help
-      exit 0;;
+    a|y) UpdYes="yes" ;;
+    n) UpdYes="no" ;;
+    h|*) Help ; exit 0 ;;
   esac
 done
-
-### Set $1 back to $1 (ignoring the places held by getops)
 shift "$((OPTIND-1))"
 
 ### Set $1 to a variable for later
@@ -40,75 +34,113 @@ if [[ $(builtin type -P "regctl") ]]; then
 elif [[ -f "./regctl" ]]; then
   regbin="./regctl"
 else
-  printf "Required dependency 'regctl' missing, do you want it downloaded? y/[n]\n"
+  printf "Required dependency 'regctl' missing, do you want it downloaded? y/[n] "
   read GetDep
   if [ "$GetDep" != "${GetDep#[Yy]}" ]; then
     ### Check arch:
     case "$(uname --machine)" in
-      x86_64|amd64)
-        architecture="amd64";;
-      arm64|aarch64)
-        architecture="arm64";;
+      x86_64|amd64) architecture="amd64" ;;
+      arm64|aarch64) architecture="arm64";;
       *) echo "Architecture not supported, exiting." ; exit ;;
     esac
     curl -L https://github.com/regclient/regclient/releases/latest/download/regctl-linux-$architecture >./regctl
     chmod 755 ./regctl
     regbin="./regctl"
   else
-    printf "Dependency missing, quitting.\n"
+    printf "%s\n" "Dependency missing, quitting."
     exit
   fi
 fi
+### Check docker compose binary:
+if docker compose &> /dev/null ; then 
+  DockerBin="docker compose"
+elif docker-compose &> /dev/null; then
+  DockerBin="docker-compose"
+else
+  printf "%s\n" "No docker compose binary available, quitting."
+  exit
+fi
+
+### Numbered List -function:
+options() {
+num=0
+for i in "${NumberedUpdates[@]}"; do
+  echo "$num) $i"
+  ((num++))
+done
+}
+
+### Choose from list -function:
+choosecontainers() {
+  while [[ "$ChoiceClean" =~ [A-Za-z] || -z "$ChoiceClean" ]]; do
+    printf "What containers do you like to update? \n"
+    # options
+    read -p 'Enter number(s) separated by comma (eg. 1,3,4): ' Choice
+    if [ "$Choice" == "0" ] ; then 
+      SelectedUpdates=( ${NumberedUpdates[@]:1} )
+      ChoiceClean=$(echo $Choice|sed 's/[,.:;]/ /g')
+    else
+      ChoiceClean=$(echo $Choice|sed 's/[,.:;]/ /g')
+      for s in $ChoiceClean; do
+        SelectedUpdates+=( ${NumberedUpdates[$s]} )
+      done
+    fi
+  done
+  printf "\nYou've SelectedUpdates:\n"
+  printf "%s\n" "${SelectedUpdates[@]}"
+}
 
 ### Check the image-hash of every running container VS the registry
-for i in $(docker ps --filter "name=$SearchName" --format '{{.Names}}') 
-do
-printf ". "
+for i in $(docker ps --filter "name=$SearchName" --format '{{.Names}}') ; do
+  printf ". "
   RepoUrl=$(docker inspect "$i" --format='{{.Config.Image}}')
   LocalHash=$(docker image inspect "$RepoUrl" --format '{{.RepoDigests}}')
   RegHash=$($regbin image digest --list "$RepoUrl" 2>/dev/null)
   # Check if regtcl produces errors - add to GotErrors if so.
   if [ $? -eq 0 ] ; then
-    if [[ "$LocalHash" = *"$RegHash"* ]] ; then
-      NoUpdates+=("$i")
-    else
-      GotUpdates+=("$i")
-    fi
+    if [[ "$LocalHash" = *"$RegHash"* ]] ; then NoUpdates+=("$i"); else GotUpdates+=("$i"); fi
   else
     GotErrors+=("$i")
   fi
 done
 
+### Create new Array to use for the numbered list:
+NumberedUpdates=(ALL "${GotUpdates[@]}")
+
 ### List what containers got updates or not
 if [ -n "$NoUpdates" ] ; then
   printf "\n\033[32;1mContainers on latest version:\033[0m\n"
   printf "%s\n" "${NoUpdates[@]}"
 fi
-if [ -n "$GotUpdates" ] ; then
-  printf "\n\033[31;1mContainers with updates available:\033[0m\n"
-  printf "%s\n" "${GotUpdates[@]}"
-fi
 if [ -n "$GotErrors" ] ; then
   printf "\n\033[33;1mContainers with errors, wont get updated:\033[0m\n"
   printf "%s\n" "${GotErrors[@]}"
 fi
+if [ -n "$GotUpdates" ] ; then 
+   printf "\n\033[31;1mContainers with updates available:\033[0m\n"
+   [ -z "$UpdYes" ] && options || printf "%s\n" "${GotUpdates[@]}"
+fi
 
 ### Optionally get updates if there's any 
 if [ -n "$GotUpdates" ] ; then
   if [ -z "$UpdYes" ] ; then
-  printf "\n\033[36;1mDo you want to update? y/[n]\033[0m\n"
+  printf "\n\033[36;1mDo you want to update? y/[n]\033[0m "
   read UpdYes
+  [ "$UpdYes" != "${UpdYes#[Yy]}" ] && choosecontainers
+  else
+    SelectedUpdates=( "${GotUpdates[@]}" )
+  fi
+  if [ "$UpdYes" != "${UpdYes#[Yy]}" ] ; then
+    for i in "${SelectedUpdates[@]}"; do 
+      ContImage=$(docker inspect "$i" --format='{{.Config.Image}}')
+      docker pull $ContImage
+      printf "%s\n" "$i got a new image downloaded, rebuild manually with preferred 'docker run'-parameters"
+    done
+  else
+    printf "\nNo updates installed, exiting.\n"
   fi
-    if [ "$UpdYes" != "${UpdYes#[Yy]}" ] ; then
-      for i in "${GotUpdates[@]}"
-      do 
-        ContImage=$(docker inspect "$i" --format='{{.Config.Image}}')
-        docker pull $ContImage
-        docker restart $i
-      done
-    else
-      printf "\nNo updates installed, exiting.\n"
-    fi
 else
   printf "\nNo updates available, exiting.\n"
 fi
+
+exit 0