$ git clone -n https://src.fedoraproject.org/rpms/rust-tree-sitter-racket.git /var/lib/mock/f45-build-45694-825/root/chroot_tmpdir/scmroot/rust-tree-sitter-racket
Cloning into '/var/lib/mock/f45-build-45694-825/root/chroot_tmpdir/scmroot/rust-tree-sitter-racket'...
$ git fetch origin 49a8156de1496a735ffdd4f0fd2096f2d2014976:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tree-sitter-racket
 * [new ref]         49a8156de1496a735ffdd4f0fd2096f2d2014976 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49a8156 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild