$ git clone -n https://src.fedoraproject.org/rpms/rust-tree-sitter-c.git /var/lib/mock/f45-build-45678-825/root/chroot_tmpdir/scmroot/rust-tree-sitter-c
Cloning into '/var/lib/mock/f45-build-45678-825/root/chroot_tmpdir/scmroot/rust-tree-sitter-c'...
$ git fetch origin 2ef2b33c43b03f210100307bd40bb2073a4fc987:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tree-sitter-c
 * [new ref]         2ef2b33c43b03f210100307bd40bb2073a4fc987 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2ef2b33 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild