add change detector

run.sh

@@ -3,7 +3,7 @@
 echo "Cleaning up workspace and dist directories"
 
 rm -rf workspace dist || true
-mkdir -p workspace dist/redtexts dist/pics dist/script
+mkdir -p workspace dist/redtexts dist/pics dist/script dist/hashes
 echo '# Auto generated by ygopro-custom-free' > dist/strings.conf
 
 # YGOPRO_SERVER_PATH="/home/nanahira/ygo/srvpro/ygopro"
@@ -12,6 +12,7 @@ echo '# Auto generated by ygopro-custom-free' > dist/strings.conf
 
 CURRENT_TIME=$(date +%s)
 
+something_changed=0
 process_repo() {
   repo_url="$1"
 
@@ -46,6 +47,7 @@ process_repo() {
   # check last commit date
   cd "workspace/$repo_identifer"
   last_commit_timestamp="$(git log -1 --format="%cd" --date=format:'%s')"
+  last_commit_hash="$(git log -1 --format="%H")"
   echo "Checking last commit date of $repo_identifer: $(git log -1 --format="%cd")"
   cd "$current_path"
 
@@ -54,8 +56,13 @@ process_repo() {
     return
   fi
 
-  echo "Checking for redtexts in $repo_identifer"
+  # fetch previous hash
+  previous_hash=$(curl -sL "https://cdn02.moecube.com:444/ygopro-custom-free/contents/hashes/$repo_identifer.txt" || true)
+  if [[ $previous_hash != $last_commit_hash ]]; then
+    something_changed=1
+  fi
 
+  echo "Checking for redtexts in $repo_identifer"
 
   cd "$YGOPRO_SERVER_PATH"
   rm expansions || rmdir expansions || true
@@ -85,6 +92,7 @@ process_repo() {
   fi
   cp -rf workspace/$repo_identifer/pics dist/
   cp -rf workspace/$repo_identifer/script dist/
+  echo "$last_commit_hash" > dist/hashes/$repo_identifer.txt
 
   echo "Finished processing $repo_identifer"
 }
@@ -97,5 +105,10 @@ for file in repos/*.txt; do
   done < "$file"
 done
 
+if [[ $something_changed == 0 ]]; then
+  echo "No changes detected, skipping update"
+  exit 1
+fi
+
 echo "Finished processing all repos"
 echo "YGOPro Custom Free Server - Updated at $(date)" > dist/version.txt