$ git clone -n https://src.fedoraproject.org/rpms/rust-libadwaita.git /var/lib/mock/f39-build-1651413-40490/root/chroot_tmpdir/scmroot/rust-libadwaita
Cloning into '/var/lib/mock/f39-build-1651413-40490/root/chroot_tmpdir/scmroot/rust-libadwaita'...
$ git fetch origin f5ab2cb644ba7d20df8688bbd2752b8ae65ac702:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libadwaita
 * [new ref]         f5ab2cb644ba7d20df8688bbd2752b8ae65ac702 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f5ab2cb Update to version 0.5.2; Fixes RHBZ#2213960