$ git clone -n https://src.fedoraproject.org/rpms/slim.git /var/lib/mock/f39-build-1542754-36523/root/chroot_tmpdir/scmroot/slim
Cloning into '/var/lib/mock/f39-build-1542754-36523/root/chroot_tmpdir/scmroot/slim'...
$ git fetch origin 37b0d77f65405344f36a90531da2f3cde18b454d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/slim
 * [new ref]         37b0d77f65405344f36a90531da2f3cde18b454d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 37b0d77 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild