Update appveyor.yml

appveyor.yml

@@ -109,11 +109,8 @@ for:
       only:
         - image: macos
 
-    install:
-       - brew install grep
-       
     before_build:
-      - export PATH=$HOME/Qt/5.15/clang_64/bin:$PATH
+      - export PATH=$HOME/Qt/6.6/macos64/bin:$PATH
       - export TRAVIS_TAG=$APPVEYOR_REPO_TAG_NAME
       - export TRAVIS_REPO_SLUG=$APPVEYOR_REPO_NAME
       - export TRAVIS_COMMIT=$APPVEYOR_REPO_COMMIT
@@ -131,7 +128,7 @@ for:
       - macdeployqt LeoCAD.app -dmg
       - mv LeoCAD.dmg LeoCAD-macOS-$(git rev-parse --short HEAD).dmg
       - 'curl -s -H "Authorization: token $GITHUB_TOKEN" https://api.github.com/repos/leozide/leocad/commits/master -o repo.txt' 
-      - 'export REMOTE=$(ggrep -Po ''(?<=: \")(([a-z0-9])\w+)(?=\")'' -m 1 repo.txt)'
+      - 'export REMOTE=$(awk -F"\"" "/\"sha\"[[:space:]]*:/ { print $(NF-1); exit }" Documents/master.json)'
       - export LOCAL=$(git rev-parse HEAD)
       - export UPLOADTOOL_ISPRERELEASE=1
       - if [[ "$REMOTE" != "$LOCAL" ]]; then echo "Build no longer current. $REMOTE vs $LOCAL - aborting upload."; exit 0; fi;