$ git clone -n https://src.fedoraproject.org/rpms/rust-alacritty_terminal.git /var/lib/mock/f39-build-2218573-52612/root/chroot_tmpdir/scmroot/rust-alacritty_terminal
Cloning into '/var/lib/mock/f39-build-2218573-52612/root/chroot_tmpdir/scmroot/rust-alacritty_terminal'...
$ git fetch origin 9f1e56447a992f426322abc61de820ce58b27818:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alacritty_terminal
 * [new ref]         9f1e56447a992f426322abc61de820ce58b27818 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f1e564 Update to 0.21.0