$ git clone -n https://src.fedoraproject.org/rpms/rust-alacritty.git /var/lib/mock/f40-build-772532-126428/root/chroot_tmpdir/scmroot/rust-alacritty
Cloning into '/var/lib/mock/f40-build-772532-126428/root/chroot_tmpdir/scmroot/rust-alacritty'...
$ git fetch origin 4875da381b477ce46b33a62b41d7d0c2a8923ed8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alacritty
 * [new ref]         4875da381b477ce46b33a62b41d7d0c2a8923ed8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4875da3 Rebuild for winit 0.29.8