$ git clone -n https://src.fedoraproject.org/rpms/rust-smartstring.git /var/lib/mock/f38-build-side-43-rust-devel-1413457-31444/root/chroot_tmpdir/scmroot/rust-smartstring
Cloning into '/var/lib/mock/f38-build-side-43-rust-devel-1413457-31444/root/chroot_tmpdir/scmroot/rust-smartstring'...
$ git fetch origin 52cbec8733ebc7df4c7d0ed12c6ec07f5b117714:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-smartstring
 * [new ref]         52cbec8733ebc7df4c7d0ed12c6ec07f5b117714 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 52cbec8 Rebuilt for https://fedoraproject.org/wiki/Fedora_38_Mass_Rebuild