$ git clone -n https://src.fedoraproject.org/rpms/bitmap.git /var/lib/mock/f31-build-75429-31277/root/thebuilddir/tmp/scmroot/bitmap
Cloning into '/var/lib/mock/f31-build-75429-31277/root/thebuilddir/tmp/scmroot/bitmap'...
$ git reset --hard bbb40962b9c94a615c199fedea6fe4e388776dae
HEAD is now at bbb4096 - Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild