$ git clone -n https://src.fedoraproject.org/rpms/cantera.git /var/lib/mock/f40-build-794885-139800/root/chroot_tmpdir/scmroot/cantera
Cloning into '/var/lib/mock/f40-build-794885-139800/root/chroot_tmpdir/scmroot/cantera'...
$ git fetch origin bb66c1c747f26c00694842f600cf1226e59b3688:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cantera
 * [new ref]         bb66c1c747f26c00694842f600cf1226e59b3688 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bb66c1c Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild