$ git clone -n https://src.fedoraproject.org/rpms/rust-libseccomp.git /var/lib/mock/f45-build-42950-797/root/chroot_tmpdir/scmroot/rust-libseccomp
Cloning into '/var/lib/mock/f45-build-42950-797/root/chroot_tmpdir/scmroot/rust-libseccomp'...
$ git fetch origin 2aaa3ce64d5c5e708545ef804c35a25038a0bea7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libseccomp
 * [new ref]         2aaa3ce64d5c5e708545ef804c35a25038a0bea7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2aaa3ce Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild