$ git clone -n https://src.fedoraproject.org/rpms/rust-wayland-scanner.git /var/lib/mock/f40-build-2040711-48377/root/chroot_tmpdir/scmroot/rust-wayland-scanner
Cloning into '/var/lib/mock/f40-build-2040711-48377/root/chroot_tmpdir/scmroot/rust-wayland-scanner'...
$ git fetch origin 4f6cf1da508a412ed692ff344cf797b63ed31e1f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-wayland-scanner
 * [new ref]         4f6cf1da508a412ed692ff344cf797b63ed31e1f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4f6cf1d Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild