$ git clone -n https://src.fedoraproject.org/rpms/cantera.git /var/lib/mock/f42-bootstrap-3462116-45558/root/chroot_tmpdir/scmroot/cantera
Cloning into '/var/lib/mock/f42-bootstrap-3462116-45558/root/chroot_tmpdir/scmroot/cantera'...
$ git fetch origin 5d613895f794b3fafbeb8905e97f90cec78b7b1c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cantera
 * [new ref]         5d613895f794b3fafbeb8905e97f90cec78b7b1c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5d61389 Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild