$ git clone -n https://src.fedoraproject.org/rpms/rust-alacritty_terminal.git /var/lib/mock/f40-build-2169325-50976/root/chroot_tmpdir/scmroot/rust-alacritty_terminal
Cloning into '/var/lib/mock/f40-build-2169325-50976/root/chroot_tmpdir/scmroot/rust-alacritty_terminal'...
$ git fetch origin f0ade3c75b74b59b9f119ea723c716539aa5deed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alacritty_terminal
 * [new ref]         f0ade3c75b74b59b9f119ea723c716539aa5deed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f0ade3c Update to 0.20.0 (rhbz#2256028)