build: perform validation on all base images for PRs (#1610)

scripts/start-deployPaper

@@ -1,8 +1,11 @@
 #!/bin/bash
 
-. ${SCRIPTS:-/}start-utils
+# shellcheck source=start-utils
+. "${SCRIPTS:-/}start-utils"
 set -o pipefail
-isDebugging && set -x
+handleDebugMode
+
+: "${PAPER_CUSTOM_JAR:=}"
 
 ourScript="$0"
 ourArgs=("$@")
@@ -28,7 +31,9 @@ function handleMissingVersion() {
   exit 1
 }
 
-if [[ $PAPER_DOWNLOAD_URL ]]; then
+if [[ $PAPER_CUSTOM_JAR ]]; then
+  export SERVER="$PAPER_CUSTOM_JAR"
+elif [[ $PAPER_DOWNLOAD_URL ]]; then
   export SERVER=$(getFilenameFromUrl "${PAPER_DOWNLOAD_URL}")
 
   if [ -f "$SERVER" ]; then

scripts/start-setupModpack

@@ -235,10 +235,12 @@ function genericPacks() {
       done
 
       # recalculate the actual base directory of content
-      base_dir=$(find "$base_dir" -maxdepth 3 -type d \( -name mods -o -name plugins -o -name config \) -printf '%h\n' | awk '{ print length;print $0 }' | sort -n -s | cut -d" " -f2- | head -n1 | xargs echo -n)
-      if [[ ! $base_dir ]]; then
+      if ! base_dir=$(mc-image-helper find \
+          --max-depth=3 --type=directory --name=mods,plugins,config \
+          --only-shallowest --fail-no-matches --format '%h' \
+          "$base_dir"); then
         log "ERROR: Unable to find content base of generic packs ${GENERIC_PACKS}. Directories:"
-        find $original_base_dir -maxdepth 3 -type d -printf '  - %P\n'
+        mc-image-helper find --name=* --max-depth=3 --type=directory --format '- %P' "$original_base_dir"
         exit 1
       fi