$ git clone -n https://src.fedoraproject.org/rpms/rust-rustls-pemfile1.git /var/lib/mock/f45-build-44589-815/root/chroot_tmpdir/scmroot/rust-rustls-pemfile1
Cloning into '/var/lib/mock/f45-build-44589-815/root/chroot_tmpdir/scmroot/rust-rustls-pemfile1'...
$ git fetch origin 0166192fb8813a2de663e362b8e8a9b06b67bffe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-rustls-pemfile1
 * [new ref]         0166192fb8813a2de663e362b8e8a9b06b67bffe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0166192 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild