$ git clone -n https://src.fedoraproject.org/rpms/rust-tree-house-bindings.git /var/lib/mock/f45-build-45672-825/root/chroot_tmpdir/scmroot/rust-tree-house-bindings
Cloning into '/var/lib/mock/f45-build-45672-825/root/chroot_tmpdir/scmroot/rust-tree-house-bindings'...
$ git fetch origin 8ca88b0279d06069a83820e7d790aeceda5a72c3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tree-house-bindings
 * [new ref]         8ca88b0279d06069a83820e7d790aeceda5a72c3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8ca88b0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild