feat: add Gitea workflow that builds package on tag push.

debian-package/publish.sh

@@ -8,9 +8,14 @@ case "$(uname -s)" in
     *)      printf 'ERROR: unsupported platform %s\n' "$(uname -s)" >&2; exit 1 ;;
 esac
 
+OWNER=slawek
+GITEA_URL=https://gitea.koszewscy.waw.pl
+GITEA_PACKAGES_TOKEN="${GITEA_PACKAGES_TOKEN:-$(cat ~/.gitea-packages-token)}"
+
+# Reads the changelog copied into the builder image, so no bind mount is needed.
 changelog_field() {
-    $CONTAINER_RUNTIME run --rm -v "$(pwd):/mnt" vpn-router-builder \
-        dpkg-parsechangelog --show-field "$1" -l /mnt/debian/changelog
+    $CONTAINER_RUNTIME run --rm vpn-router-builder \
+        dpkg-parsechangelog --show-field "$1" -l /build/src/debian/changelog
 }
 
 VERSION="$(changelog_field Version)"
@@ -22,6 +27,14 @@ if [ ! -f "$DEB" ]; then
     exit 1
 fi
 
-curl -v --user "slawek:$(cat ~/.gitea-packages-token)" \
+STATUS="$(curl -s -o /dev/null -w '%{http_code}' --user "$OWNER:$GITEA_PACKAGES_TOKEN" \
+    "$GITEA_URL/api/v1/packages/$OWNER/debian/$PACKAGE/$VERSION")"
+case "$STATUS" in
+    200) printf '%s %s is already published, skipping.\n' "$PACKAGE" "$VERSION"; exit 0 ;;
+    404) ;;
+    *)   printf 'ERROR: version check returned HTTP %s.\n' "$STATUS" >&2; exit 1 ;;
+esac
+
+curl --fail-with-body --user "$OWNER:$GITEA_PACKAGES_TOKEN" \
     --upload-file "$DEB" \
-    "https://gitea.koszewscy.waw.pl/api/packages/slawek/debian/pool/noble/main/upload"
+    "$GITEA_URL/api/packages/$OWNER/debian/pool/noble/main/upload"