optimizing API call amount

.github/workflows/sync_upstream_branches.yml

@@ -79,10 +79,11 @@ jobs:
                 | jq -r '.[] | .name' | tr [:upper:] [:lower:] | sort > fork_branches.txt
 
                 echo $(grep -x -v -f upstream_branches.txt fork_branches.txt > branches_deleted_list.txt)
-                echo $MAIN_BRANCH > branches_synced_list.txt
                 echo $(grep -E "$BRANCHES_TO_SYNC_EGREP_REGEX" upstream_branches.txt | \
-                  grep -v $MAIN_BRANCH >> branches_synced_list.txt)
+                  grep -v $MAIN_BRANCH > branches_synced_list.txt)
                 echo $(grep -x -v -f fork_branches.txt branches_synced_list.txt > branches_created_list.txt)
+                echo $(grep -x -v -f branches_created_list.txt branches_synced_list.txt > upd_synced_list)
+                mv upd_synced_list branches_synced_list.txt
 
                 for f in branches_*_list.txt; do
                   ACTION=$(echo $f | cut -d '_' -f 2)
@@ -92,8 +93,9 @@ jobs:
                   echo "======"
                   echo ""
                 done
+                echo "Branch $MAIN_BRANCH to be synced always first and separately"
 
-            - name: Sync the Main/Master branch anyway first
+            - name: Sync the Main/Master branch always first and separately
               id: sync_master_brach
               env:
                 GH_TOKEN: ${{ steps.gen_app_token_merge.outputs.token }}
@@ -128,19 +130,19 @@ jobs:
               run: |
                 cd /tmp
                 for BRANCH in $(cat branches_created_list.txt); do
-                  COMMIT=$(gh api --method GET \
+                  UPSTREAM_COMMIT=$(gh api --method GET \
                     -H "Accept: application/vnd.github+json" \
                     -H "X-GitHub-Api-Version: 2022-11-28" \
                     /repos/$UPSTREAM_REPO/git/ref/heads/$BRANCH \
                     | jq -r '.object.sha')
-                  echo -n "Creating $BRANCH pointing to commit $COMMIT... "
+                  echo -n "Creating $BRANCH pointing to commit $UPSTREAM_COMMIT... "
                   gh api \
                     --method POST \
                     -H "Accept: application/vnd.github+json" \
                     -H "X-GitHub-Api-Version: 2022-11-28" \
                     /repos/$FORKED_REPO/git/refs \
                     -f "ref=refs/heads/$BRANCH" \
-                    -f "sha=$COMMIT" > /dev/null
+                    -f "sha=$UPSTREAM_COMMIT" > /dev/null
                   echo "done" 
                 done