$ git clone -n https://src.fedoraproject.org/rpms/golang-tinygo-x-llvm.git /var/lib/mock/f38-build-side-42-init-devel-1041586-29760/root/chroot_tmpdir/scmroot/golang-tinygo-x-llvm
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1041586-29760/root/chroot_tmpdir/scmroot/golang-tinygo-x-llvm'...
$ git fetch origin 5306cf8f30b1f068a57a9ebb9bd67b838dc6a98b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/golang-tinygo-x-llvm
 * [new ref]         5306cf8f30b1f068a57a9ebb9bd67b838dc6a98b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5306cf8 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild