$ git clone -n https://src.fedoraproject.org/rpms/rust-syntect.git /var/lib/mock/f40-build-2590967-62640/root/chroot_tmpdir/scmroot/rust-syntect
Cloning into '/var/lib/mock/f40-build-2590967-62640/root/chroot_tmpdir/scmroot/rust-syntect'...
$ git fetch origin aecf599e15ed6a4717dc9846c67a1909b1d92d79:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-syntect
 * [new ref]         aecf599e15ed6a4717dc9846c67a1909b1d92d79 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aecf599 Update to version 5.2.0; Fixes RHBZ#2263160