$ git clone -n https://src.fedoraproject.org/rpms/osbuild-composer.git /var/lib/mock/f39-build-2469141-61444/root/chroot_tmpdir/scmroot/osbuild-composer
Cloning into '/var/lib/mock/f39-build-2469141-61444/root/chroot_tmpdir/scmroot/osbuild-composer'...
$ git fetch origin e57e1cd04c652b2089494082cd09e9901cdbb1c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/osbuild-composer
 * [new ref]         e57e1cd04c652b2089494082cd09e9901cdbb1c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e57e1cd [packit] 101 upstream release