$ git clone -n https://src.fedoraproject.org/rpms/gnome-calendar.git /var/lib/mock/f31-build-113615-34406/root/chroot_tmpdir/scmroot/gnome-calendar
Cloning into '/var/lib/mock/f31-build-113615-34406/root/chroot_tmpdir/scmroot/gnome-calendar'...
$ git reset --hard 10c051efda68e5884560c58c42c86f38e6eb0837
HEAD is now at 10c051e Update to 3.34.0