$ git clone -n https://src.fedoraproject.org/rpms/rust-errno.git /var/lib/mock/f40-build-2655497-66911/root/chroot_tmpdir/scmroot/rust-errno
Cloning into '/var/lib/mock/f40-build-2655497-66911/root/chroot_tmpdir/scmroot/rust-errno'...
$ git fetch origin 19662525ce3bdba99183ff03577b0530e0c778ce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-errno
 * [new ref]         19662525ce3bdba99183ff03577b0530e0c778ce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1966252 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild