$ git clone -n https://src.fedoraproject.org/rpms/plasma-welcome.git /var/lib/mock/f40-build-769069-125490/root/chroot_tmpdir/scmroot/plasma-welcome
Cloning into '/var/lib/mock/f40-build-769069-125490/root/chroot_tmpdir/scmroot/plasma-welcome'...
$ git reset --hard 3b21d9f5dff8eb1fba8aa5c30bcf6d3cf31f6c9f
HEAD is now at 3b21d9f 5.91.0