$ git clone -n https://src.fedoraproject.org/rpms/picmi.git /var/lib/mock/f40-build-2418061-60573/root/chroot_tmpdir/scmroot/picmi
Cloning into '/var/lib/mock/f40-build-2418061-60573/root/chroot_tmpdir/scmroot/picmi'...
$ git fetch origin 82c69ee70f8099388f3d1073166e3f6f94be0a67:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/picmi
 * [new ref]         82c69ee70f8099388f3d1073166e3f6f94be0a67 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 82c69ee 24.01.95