$ git clone -n https://src.fedoraproject.org/rpms/rust-unsafe-libyaml-norway.git /var/lib/mock/f45-build-45950-829/root/chroot_tmpdir/scmroot/rust-unsafe-libyaml-norway
Cloning into '/var/lib/mock/f45-build-45950-829/root/chroot_tmpdir/scmroot/rust-unsafe-libyaml-norway'...
$ git fetch origin f2a87e302738453d52d31a78c11f6cffb6855307:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-unsafe-libyaml-norway
 * [new ref]         f2a87e302738453d52d31a78c11f6cffb6855307 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f2a87e3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild