$ git clone -n https://src.fedoraproject.org/rpms/osbuild.git /var/lib/mock/f40-build-2220887-52672/root/chroot_tmpdir/scmroot/osbuild
Cloning into '/var/lib/mock/f40-build-2220887-52672/root/chroot_tmpdir/scmroot/osbuild'...
$ git fetch origin 7324d4a8a01acff8a030a4511500703813a998b0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osbuild
 * [new ref]         7324d4a8a01acff8a030a4511500703813a998b0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7324d4a [packit] 103 upstream release