diff --git a/.gitea/workflows/source-release.yml b/.gitea/workflows/source-release.yml
index 2cd48ef..a1e8997 100644
--- a/.gitea/workflows/source-release.yml
+++ b/.gitea/workflows/source-release.yml
@@ -1,15 +1,18 @@
-# .gitea/workflows/source-release.yml
 name: Source release
 
 on:
   push:
     tags:
       - "v*"
+    branches:
+      - master
   workflow_dispatch:
 
 jobs:
   source-package:
     runs-on: ubuntu-latest
+    env:
+      BUILD_DIR: /tmp/mars-nwe-build
 
     steps:
       - name: Check out source
@@ -33,32 +36,54 @@ jobs:
             libcrypt-dev
 
       - name: Configure
-        run: cmake -S . -B /tmp/mars-nwe-build
+        run: cmake -S . -B "$BUILD_DIR"
 
       - name: Build source package
-        run: cmake --build /tmp/mars-nwe-build --target package_source
+        run: cmake --build "$BUILD_DIR" --target package_source
 
       - name: Find source tarball
         id: pkg
         run: |
-          FILE="$(find build -maxdepth 2 -type f -name '*.tar.bz2' | head -n1)"
+          FILE="$(find "$BUILD_DIR" -maxdepth 2 -type f -name '*.tar.bz2' | head -n1)"
           test -n "$FILE"
           echo "file=$FILE" >> "$GITHUB_OUTPUT"
           echo "name=$(basename "$FILE")" >> "$GITHUB_OUTPUT"
 
-      - name: Create release if missing
+      - name: Decide release target
+        id: target
+        env:
+          REF_TYPE: ${{ gitea.ref_type || github.ref_type }}
+          REF_NAME: ${{ gitea.ref_name || github.ref_name }}
+          SHA: ${{ gitea.sha || github.sha }}
+        run: |
+          set -e
+
+          if [ "$REF_TYPE" = "tag" ]; then
+            echo "tag=$REF_NAME" >> "$GITHUB_OUTPUT"
+            echo "name=$REF_NAME" >> "$GITHUB_OUTPUT"
+            echo "prerelease=false" >> "$GITHUB_OUTPUT"
+          else
+            SHORT_SHA="$(printf '%s' "$SHA" | cut -c1-7)"
+            echo "tag=development" >> "$GITHUB_OUTPUT"
+            echo "name=development ($REF_NAME @ $SHORT_SHA)" >> "$GITHUB_OUTPUT"
+            echo "prerelease=true" >> "$GITHUB_OUTPUT"
+          fi
+
+      - name: Create or update release
         env:
           GITEA_TOKEN: ${{ secrets.RELEASE_TOKEN }}
           GITEA_API: https://gitea.disconnected-by-peer.at/api/v1
           OWNER: mars_nwe
           REPO: mars-nwe
-          TAG: ${{ gitea.ref_name || github.ref_name }}
+          REL_TAG: ${{ steps.target.outputs.tag }}
+          REL_NAME: ${{ steps.target.outputs.name }}
+          REL_PRERELEASE: ${{ steps.target.outputs.prerelease }}
         run: |
           set -e
 
           RELEASE_JSON="$(curl -fsS \
             -H "Authorization: token ${GITEA_TOKEN}" \
-            "${GITEA_API}/repos/${OWNER}/${REPO}/releases/tags/${TAG}" || true)"
+            "${GITEA_API}/repos/${OWNER}/${REPO}/releases/tags/${REL_TAG}" || true)"
 
           if [ -z "$RELEASE_JSON" ]; then
             RELEASE_JSON="$(curl -fsS -X POST \
@@ -66,13 +91,47 @@ jobs:
               -H "Content-Type: application/json" \
               "${GITEA_API}/repos/${OWNER}/${REPO}/releases" \
               -d "$(jq -n \
-                --arg tag "$TAG" \
-                --arg name "$TAG" \
-                '{tag_name:$tag,name:$name,draft:false,prerelease:false}')" )"
+                --arg tag "$REL_TAG" \
+                --arg name "$REL_NAME" \
+                --argjson prerelease "$REL_PRERELEASE" \
+                '{tag_name:$tag,name:$name,draft:false,prerelease:$prerelease}')" )"
+          else
+            RELEASE_ID="$(printf '%s' "$RELEASE_JSON" | jq -r '.id')"
+            RELEASE_JSON="$(curl -fsS -X PATCH \
+              -H "Authorization: token ${GITEA_TOKEN}" \
+              -H "Content-Type: application/json" \
+              "${GITEA_API}/repos/${OWNER}/${REPO}/releases/${RELEASE_ID}" \
+              -d "$(jq -n \
+                --arg tag "$REL_TAG" \
+                --arg name "$REL_NAME" \
+                --argjson prerelease "$REL_PRERELEASE" \
+                '{tag_name:$tag,name:$name,draft:false,prerelease:$prerelease}')" )"
           fi
 
           echo "$RELEASE_JSON" > release.json
-          jq . release.json
+
+      - name: Delete old asset with same name if present
+        env:
+          GITEA_TOKEN: ${{ secrets.RELEASE_TOKEN }}
+          GITEA_API: https://gitea.disconnected-by-peer.at/api/v1
+          OWNER: mars_nwe
+          REPO: mars-nwe
+          NAME: ${{ steps.pkg.outputs.name }}
+        run: |
+          set -e
+
+          RELEASE_ID="$(jq -r '.id' release.json)"
+          ASSET_ID="$(curl -fsS \
+            -H "Authorization: token ${GITEA_TOKEN}" \
+            "${GITEA_API}/repos/${OWNER}/${REPO}/releases/${RELEASE_ID}" \
+            | jq -r --arg NAME "$NAME" '.assets[]? | select(.name==$NAME) | .id' \
+            | head -n1)"
+
+          if [ -n "$ASSET_ID" ]; then
+            curl -fsS -X DELETE \
+              -H "Authorization: token ${GITEA_TOKEN}" \
+              "${GITEA_API}/repos/${OWNER}/${REPO}/releases/${RELEASE_ID}/assets/${ASSET_ID}"
+          fi
 
       - name: Upload tarball to release
         env:
@@ -92,3 +151,4 @@ jobs:
             -H "Content-Type: application/octet-stream" \
             --data-binary @"${FILE}" \
             "${GITEA_API}/repos/${OWNER}/${REPO}/releases/${RELEASE_ID}/assets?name=${NAME}"
+    
\ No newline at end of file