$ git clone -n https://src.fedoraproject.org/rpms/pimcommon.git /var/lib/mock/f42-build-864152-172187/root/chroot_tmpdir/scmroot/pimcommon
Cloning into '/var/lib/mock/f42-build-864152-172187/root/chroot_tmpdir/scmroot/pimcommon'...
$ git fetch origin 78dfda46c187b14b5720bd2516394a93d877be9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pimcommon
 * [new ref]         78dfda46c187b14b5720bd2516394a93d877be9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 78dfda4 24.12.0