$ git clone -n https://src.fedoraproject.org/rpms/xfsdump.git /var/lib/mock/f39-build-1465717-33608/root/chroot_tmpdir/scmroot/xfsdump
Cloning into '/var/lib/mock/f39-build-1465717-33608/root/chroot_tmpdir/scmroot/xfsdump'...
$ git fetch origin 7ead49c53d57db869a8d3995477c43262dd48b79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfsdump
 * [new ref]         7ead49c53d57db869a8d3995477c43262dd48b79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ead49c Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild