$ git clone -n https://src.fedoraproject.org/rpms/med.git /var/lib/mock/f42-build-3272241-41305/root/chroot_tmpdir/scmroot/med
Cloning into '/var/lib/mock/f42-build-3272241-41305/root/chroot_tmpdir/scmroot/med'...
$ git fetch origin ad90858d17f15168db905b095346cd9671de88ea:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/med
 * [new ref]         ad90858d17f15168db905b095346cd9671de88ea -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ad90858 Add med-gcc15.patch