$ git clone -n https://src.fedoraproject.org/rpms/mesa.git /var/lib/mock/f41-build-838268-159687/root/chroot_tmpdir/scmroot/mesa
Cloning into '/var/lib/mock/f41-build-838268-159687/root/chroot_tmpdir/scmroot/mesa'...
$ git fetch origin 953e0e02352e878d885f7fe4a9f05e69cef7cffb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mesa
 * [new ref]         953e0e02352e878d885f7fe4a9f05e69cef7cffb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 953e0e0 Update to 24.2.0-rc4