$ git clone -n https://src.fedoraproject.org/rpms/rust-libadwaita-sys.git /var/lib/mock/f40-build-2130387-50789/root/chroot_tmpdir/scmroot/rust-libadwaita-sys
Cloning into '/var/lib/mock/f40-build-2130387-50789/root/chroot_tmpdir/scmroot/rust-libadwaita-sys'...
$ git fetch origin 872e4a01220b4dc2792d61fae801a577d0c38821:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libadwaita-sys
 * [new ref]         872e4a01220b4dc2792d61fae801a577d0c38821 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 872e4a0 Update to version 0.5.2; Fixes RHBZ#2213966