$ git clone -n https://src.fedoraproject.org/rpms/R-webp.git /var/lib/mock/f40-build-789252-135690/root/chroot_tmpdir/scmroot/R-webp
Cloning into '/var/lib/mock/f40-build-789252-135690/root/chroot_tmpdir/scmroot/R-webp'...
$ git fetch origin 1db4ad9edb0e4f53c5e9da0f8c0815faf5daa79e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-webp
 * [new ref]         1db4ad9edb0e4f53c5e9da0f8c0815faf5daa79e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1db4ad9 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild