$ git clone -n https://src.fedoraproject.org/rpms/xiphos.git /var/lib/mock/f31-build-60897-28796/root/chroot_tmpdir/scmroot/xiphos
Cloning into '/var/lib/mock/f31-build-60897-28796/root/chroot_tmpdir/scmroot/xiphos'...
$ git reset --hard dec4622f9abfbc65ab0cb68280e594d23e0e0b53
Checking out files:  80% (4/5)   
Checking out files: 100% (5/5)   
Checking out files: 100% (5/5), done.
HEAD is now at dec4622 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild