[CI] Now tagging the nightly build with the date of the latest commit (#100)

(instead of current date)

.ci/build-wheels.yml

@@ -18,7 +18,8 @@ jobs:
       displayName: Install dependencies
     - bash: |
         #sed -i 's/name\=\"triton\"/name="triton-nightly"/g' python/setup.py
-        sed -i -r "s/version\=\"(.*)\"/version=\"\1-dev`date '+%Y%m%d'`\"/g" python/setup.py
+        export LATEST_DATE=$(git show -s --format=%ci `git rev-parse HEAD` | cut -d ' ' -f 1 | sed 's/-//g')
+        sed -i -r "s/version\=\"(.*)\"/version=\"\1-dev"$LATEST_DATE"\"/g" python/setup.py
         echo "" >> python/setup.cfg
         echo "[build_ext]" >> python/setup.cfg
         echo "base-dir=/project" >> python/setup.cfg