$ git clone -n https://src.fedoraproject.org/rpms/xapian-core.git /var/lib/mock/f31-build-60678-28766/root/chroot_tmpdir/scmroot/xapian-core
Cloning into '/var/lib/mock/f31-build-60678-28766/root/chroot_tmpdir/scmroot/xapian-core'...
$ git reset --hard 11c311d5a23d2612b3565f378530857f34f09895
HEAD is now at 11c311d 1.4.11