$ git clone -n https://src.fedoraproject.org/rpms/R-showtext.git /var/lib/mock/f38-build-side-42-init-devel-836242-28393/root/chroot_tmpdir/scmroot/R-showtext
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-836242-28393/root/chroot_tmpdir/scmroot/R-showtext'...
$ git fetch origin 2071da5a8f55e38cb32ba23fdd7552f2e45352bc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/R-showtext
 * [new ref]         2071da5a8f55e38cb32ba23fdd7552f2e45352bc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2071da5 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild