$ git clone -n https://src.fedoraproject.org/rpms/cockpit-composer.git /var/lib/mock/f40-build-2209003-52150/root/chroot_tmpdir/scmroot/cockpit-composer
Cloning into '/var/lib/mock/f40-build-2209003-52150/root/chroot_tmpdir/scmroot/cockpit-composer'...
$ git fetch origin 82a95d75416980b791af3bf4f39a4a997c2e2257:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cockpit-composer
 * [new ref]         82a95d75416980b791af3bf4f39a4a997c2e2257 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82a95d7 [packit] 47 upstream release