$ git clone -n https://src.fedoraproject.org/rpms/cantera.git /var/lib/mock/f40-build-2275119-55055/root/chroot_tmpdir/scmroot/cantera
Cloning into '/var/lib/mock/f40-build-2275119-55055/root/chroot_tmpdir/scmroot/cantera'...
$ git fetch origin 9f89d3a64b846610f0d4b967bdebcfe116c39e80:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cantera
 * [new ref]         9f89d3a64b846610f0d4b967bdebcfe116c39e80 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9f89d3a Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild