$ git clone -n https://src.fedoraproject.org/rpms/mcelog.git /var/lib/mock/f39-build-1662824-40667/root/chroot_tmpdir/scmroot/mcelog
Cloning into '/var/lib/mock/f39-build-1662824-40667/root/chroot_tmpdir/scmroot/mcelog'...
$ git fetch origin 8ca867b850e7854e12ce81b380525cea174034fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mcelog
 * [new ref]         8ca867b850e7854e12ce81b380525cea174034fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ca867b mcelog.spec: migrated to SPDX license