$ git clone -n https://src.fedoraproject.org/rpms/libwebp.git /var/lib/mock/f40-build-2295583-56333/root/chroot_tmpdir/scmroot/libwebp
Cloning into '/var/lib/mock/f40-build-2295583-56333/root/chroot_tmpdir/scmroot/libwebp'...
$ git fetch origin db2bd862be8619a6cad7e00837afa013a2c9931b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libwebp
 * [new ref]         db2bd862be8619a6cad7e00837afa013a2c9931b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at db2bd86 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild