$ git clone -n https://src.fedoraproject.org/rpms/rust-owo-colors3.git /var/lib/mock/f45-build-43624-804/root/chroot_tmpdir/scmroot/rust-owo-colors3
Cloning into '/var/lib/mock/f45-build-43624-804/root/chroot_tmpdir/scmroot/rust-owo-colors3'...
$ git fetch origin b8801d597bd66beff6152a074ef8a68663ccfc78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-owo-colors3
 * [new ref]         b8801d597bd66beff6152a074ef8a68663ccfc78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b8801d5 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild