$ git clone -n https://src.fedoraproject.org/rpms/rust-libadwaita.git /var/lib/mock/f40-build-1208090-22497/root/chroot_tmpdir/scmroot/rust-libadwaita
Cloning into '/var/lib/mock/f40-build-1208090-22497/root/chroot_tmpdir/scmroot/rust-libadwaita'...
$ git fetch origin 20aecb6fc63964851effa286bbbeae2a49f13f17:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libadwaita
 * [new ref]         20aecb6fc63964851effa286bbbeae2a49f13f17 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 20aecb6 Update to version 0.6.0; Fixes RHBZ#2240174