$ git clone -n https://src.fedoraproject.org/rpms/rust-gio-unix.git /var/lib/mock/f45-build-41860-786/root/chroot_tmpdir/scmroot/rust-gio-unix
Cloning into '/var/lib/mock/f45-build-41860-786/root/chroot_tmpdir/scmroot/rust-gio-unix'...
$ git fetch origin 3b2c4d30f6a0dafecc2020fe3805d14233ec8079:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gio-unix
 * [new ref]         3b2c4d30f6a0dafecc2020fe3805d14233ec8079 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3b2c4d3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild