disable ccache if not explicitly enabled

.ci/compile.sh

@@ -124,6 +124,9 @@ set -e
 
 # Setup
 ./servatrice/check_schema_version.sh
+if [[ ! $USE_CCACHE ]]; then
+  USE_CCACHE=0
+fi
 if [[ ! $BUILDTYPE ]]; then
   BUILDTYPE=Release
 fi

.github/workflows/desktop-build.yml

@@ -325,7 +325,6 @@ jobs:
             qt_version: 6.11.0
             qt_modules: qtimageformats qtmultimedia qtwebsockets
             type: Release
-            use_ccache: 0
 
     name: ${{ matrix.os }} ${{ matrix.target }}${{ matrix.soc == 'Intel' && ' Intel' || '' }}${{ matrix.type == 'Debug' && ' Debug' || '' }}
     needs: configure

servatrice/check_schema_version.sh

@@ -10,7 +10,7 @@ declare -i schema_ver="${version_line%%)*}"
 latest_migration="$(ls -1 servatrice/migrations/ | tail -n1)"
 xtoysql="${latest_migration#servatrice_}"
 xtoy="${xtoysql%.sql}"
-declare -i old_ver="10#${xtoy%_to_*}" #declare as integer with base 10, numbers with a leading 0 are normally interpreted as base 16
+declare -i old_ver="10#${xtoy%_to_*}" # declare as integer with base 10, numbers with a leading 0 are normally interpreted as base 16
 declare -i new_ver="10#${xtoy#*_to_}"
 
 if ((old_ver >= new_ver)); then