diff --git a/.gitea/workflows/release_arm64v8-edge.yml b/.gitea/workflows/release_arm64v8-edge.yml
index ec5c394..22d6614 100755
--- a/.gitea/workflows/release_arm64v8-edge.yml
+++ b/.gitea/workflows/release_arm64v8-edge.yml
@@ -18,9 +18,8 @@ jobs:
         shell: sh
         run: |
           # faster mirror + essential build tools
-          echo "https://alpine.sakamoto.pl/alpine/$(cat /etc/os-release | grep PRETT | cut -d ' ' -f 3 | cut -d '"' -f 1)/main" > /etc/apk/repositories
-          echo "https://alpine.sakamoto.pl/alpine/$(cat /etc/os-release | grep PRETT | cut -d ' ' -f 3 | cut -d '"' -f 1)/community" >> /etc/apk/repositories
-          echo "https://alpine.sakamoto.pl/alpine/$(cat /etc/os-release | grep PRETT | cut -d ' ' -f 3 | cut -d '"' -f 1)/testing" >> /etc/apk/repositories
+          MIRROR="https://alpine.sakamoto.pl/alpine/$(. /etc/os-release; echo $PRETTY_NAME | cut -d '"' -f2)"
+          printf "%s/main\n%s/community\n%s/testing\n" "$MIRROR" "$MIRROR" "$MIRROR" > /etc/apk/repositories
           apk update && apk upgrade
           apk add bash git curl alpine-sdk abuild sudo shadow fuse sshfs nodejs wget
 
@@ -46,7 +45,7 @@ jobs:
           su - runner -c 'wget -q https://static.itmodulo.eu/dl/repo/public_keys/alpine/itmodulo%40disroot.org-65b4f779.rsa.pub -P ~/.abuild/'
           echo "${{ secrets.REPO_PRIVKEY }}" > /home/runner/.abuild/${{ secrets.REPO_PRIVKEY_FILENAME }} && chown runner:runner /home/runner/.abuild/${{ secrets.REPO_PRIVKEY_FILENAME }}
           su - runner -c "echo 'PACKAGER_PRIVKEY="/home/runner/.abuild/${{ secrets.REPO_PRIVKEY_FILENAME }}"' >> ~/.abuild/abuild.conf"
-          echo "done"
+          echo "done""
 
       - name: Checkout sources
         uses: actions/checkout@v4
@@ -58,34 +57,33 @@ jobs:
           mkdir -p remote_index
           curl -sfL "${REPO_URL}/APKINDEX.tar.gz" -o remote_index/APKINDEX.tar.gz
           tar -xzf remote_index/APKINDEX.tar.gz -C remote_index
-          # Extract P: and V: fields into a list of "name-version-pkgrel"
-          awk '
-            /^P:/  { pkg=$2 }
-            /^V:/  { ver=$2 }
-            /^PR:/ { pr=$2; print pkg "-" ver "-" pr }
-          ' remote_index/APKINDEX > remote_index/list.txt
-          echo "::set-output name=existing::$(sort remote_index/list.txt | paste -sd, -)"
+          awk '/^P:/ { pkg=$2 }
+               /^V:/ { ver=$2 }
+               /^PR:/{ pr=$2; print pkg "-" ver "-" pr }' \
+            remote_index/APKINDEX > remote_index/list.txt
 
       - name: Build only missing packages
         shell: bash
         run: |
-          EXISTING="$(echo "${{ steps.get_remote.outputs.existing }}" | tr ',' '\n')"
-          echo "$EXISTING"
-          mkdir -p built newpkgs
+          EXISTING_LIST=remote_index/list.txt
+          mkdir -p newpkgs
           for d in edge/*; do
-            cd "$d"
-            # source the APKBUILD so we get PKGNAME, PKGVER, PKGREL
-            . APKBUILD
-            ident="${PKGNAME}-${PKGVER}-${PKGREL}"
-            if echo "$EXISTING" | grep -qx "$ident"; then
-              echo "Skipping $ident (already in repo)"
-            else
-              echo "Building $ident..."
-              abuild -r -c
-              # collect the resulting .apk
-              mv /home/runner/packages/srcpkgs/aarch64/${PKGNAME}-*.apk ../../newpkgs/ || true
-            fi
-            cd - >/dev/null
+            # skip non-directories
+            [ -d "$d" ] || continue
+
+            # as runner: source APKBUILD, set ident
+            sudo -u runner bash -c "
+              cd '$d'
+              . APKBUILD
+              echo \"Checking $PKGNAME-$PKGVER-$PKGREL\"
+              if grep -F -x \"$PKGNAME-$PKGVER-$PKGREL\" ../../${EXISTING_LIST}; then
+                echo \" → skip, already in repo\"
+              else
+                echo \" → building…\"
+                abuild -r -c
+                mv /home/runner/packages/srcpkgs/aarch64/${PKGNAME}-*.apk ../../newpkgs/ || true
+              fi
+            "
           done
 
       - name: Sync new pkgs, clean old versions, rebuild & sign index
@@ -101,19 +99,17 @@ jobs:
 
           cd /home/runner/remote
 
-          # For each newly-built package, remove older versions
-          for pkg in /home/runner/newpkgs/*.apk; do
-            base=$(basename "$pkg" | sed -E 's/(-[0-9]+\.[0-9]+.*)//')
+          # Remove old iterations of each new pkg
+          for apk in /home/runner/newpkgs/*.apk; do
+            base=$(basename "$apk" | sed 's/-[0-9].*//')
             rm -f ${base}-*.apk || true
           done
 
-          # Copy over the truly new files
+          # Copy new ones in
           cp /home/runner/newpkgs/*.apk .
 
-          # Rebuild the index
+          # Rebuild index and sign
           apk index -o APKINDEX.tar.gz *.apk
-
-          # Sign it
           abuild-sign APKINDEX.tar.gz
 
           fusermount -u /home/runner/remote