fix: In-place unarchive

Makefile

@@ -94,6 +94,6 @@ help:
 	@sed -n 's/^## //p' $(MAKEFILE_LIST) | column -t -s ':' |  sed -e 's/^/ /' | sort
 
 .PHONY: build-release-bin
-build-release-bin:
+build-release-bin: build-frontend
 	GO111MODULE=on GOOS=linux GOARCH=amd64 $(GO) build -ldflags '$(LDFLAGS)' -o bin/filebrowser-$(VERSION)
 	tar -C bin -czf "dist/filebrowser-$(VERSION).tar.gz" "filebrowser-$(VERSION)"

files/listing.go

@@ -110,7 +110,7 @@ func (l byModified) Less(i, j int) bool {
 }
 
 func (l *Listing) FilterItems(fn func(fi *FileInfo) bool) {
-	var filtered []*FileInfo
+	filtered := []*FileInfo{}
 	for _, item := range l.Items {
 		if fn(item) {
 			filtered = append(filtered, item)

http/resource.go

@@ -229,7 +229,8 @@ func resourcePatchHandler(fileCache FileCache) handleFunc {
 
 		override := r.URL.Query().Get("override") == "true"
 		rename := r.URL.Query().Get("rename") == "true"
-		if !override && !rename {
+		unarchive := r.URL.Query().Get("action") == "unarchive"
+		if !override && !rename && !unarchive {
 			if _, err = d.user.Fs.Stat(dst); err == nil {
 				return http.StatusConflict, nil
 			}