$ git clone -n https://src.fedoraproject.org/rpms/swaybg.git /var/lib/mock/f40-build-791664-137678/root/chroot_tmpdir/scmroot/swaybg
Cloning into '/var/lib/mock/f40-build-791664-137678/root/chroot_tmpdir/scmroot/swaybg'...
$ git fetch origin 9d3cf1fff1841c44dbdc53671dddbddf5ddb81d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/swaybg
 * [new ref]         9d3cf1fff1841c44dbdc53671dddbddf5ddb81d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d3cf1f Fix FTBFS with gcc-14 (rhbz#2261740)