Misc small fix

Dockerfile

@@ -17,9 +17,9 @@ RUN DEBIAN_FRONTEND=noninteractive apt-get install -y ca-certificates curl gnupg
     DEBIAN_FRONTEND=noninteractive apt-get install -y nodejs
 
 WORKDIR /osu-wiki
-COPY package.json package-lock.json requirements.txt /osu-wiki/
 
 # Install osu-wiki tool dependencies
+COPY package.json package-lock.json requirements.txt ./
 RUN npm install && npm install -g osu-wiki && pip3 install -r requirements.txt
 
 # Run the container with UID and GID of the host

meta/check-file-sizes.sh

@@ -15,12 +15,12 @@ warning_files="$(find "$@" -type f -size +500000c -size -1000001c)"
 
 exec >&2
 
-if test "$warning_files"; then
+if test -n "$warning_files"; then
   printf '\033[33mWarning:\033[m The following files are larger than 500kB and should be compressed if possible:\n'
   printf '%s\n' "$warning_files" | sort | sed 's/^/  /'
 fi
 
-if test "$error_files"; then
+if test -n "$error_files"; then
   printf '\033[31mError:\033[m The following files are larger than 1MB and must be compressed:\n'
   printf '%s\n' "$error_files" | sort -u | sed 's/^/  /'
   exit 1