$ git clone -n https://src.fedoraproject.org/rpms/rust-alacritty_terminal.git /var/lib/mock/f39-build-1488319-34498/root/chroot_tmpdir/scmroot/rust-alacritty_terminal
Cloning into '/var/lib/mock/f39-build-1488319-34498/root/chroot_tmpdir/scmroot/rust-alacritty_terminal'...
$ git fetch origin 77de35580810d4e269dee7dce7d09c0187a00e9f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-alacritty_terminal
 * [new ref]         77de35580810d4e269dee7dce7d09c0187a00e9f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77de355 Rebuilt for vte 0.11