$ git clone -n https://src.fedoraproject.org/rpms/libcamera.git /var/lib/mock/f40-build-1817430-24911/root/chroot_tmpdir/scmroot/libcamera
Cloning into '/var/lib/mock/f40-build-1817430-24911/root/chroot_tmpdir/scmroot/libcamera'...
$ git fetch origin ce9670e38449996b3269a5685eabea66a06ffeac:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libcamera
 * [new ref]         ce9670e38449996b3269a5685eabea66a06ffeac -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ce9670e 0.3.1