$ git clone -n https://src.fedoraproject.org/rpms/rust-tree-sitter-config.git /var/lib/mock/f45-build-45689-825/root/chroot_tmpdir/scmroot/rust-tree-sitter-config
Cloning into '/var/lib/mock/f45-build-45689-825/root/chroot_tmpdir/scmroot/rust-tree-sitter-config'...
$ git fetch origin 03f5d740cb150e76756ae2f1b38d2127ce1ccdd1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-tree-sitter-config
 * [new ref]         03f5d740cb150e76756ae2f1b38d2127ce1ccdd1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 03f5d74 Update to version 0.26.11; Fixes RHBZ#2494000