$ git clone -n https://src.fedoraproject.org/rpms/rust-alacritty_config.git /var/lib/mock/f38-build-side-43-rust-devel-1416789-31457/root/chroot_tmpdir/scmroot/rust-alacritty_config
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1416789-31457/root/chroot_tmpdir/scmroot/rust-alacritty_config'...
$ git fetch origin 92bde4d90f5dbe6c0188a6693454f2f8f3e4810c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alacritty_config
 * [new ref]         92bde4d90f5dbe6c0188a6693454f2f8f3e4810c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 92bde4d Initial import (rhbz#2183858)