$ git clone -n https://src.fedoraproject.org/rpms/rust-handlebars.git /var/lib/mock/f41-build-810608-146829/root/chroot_tmpdir/scmroot/rust-handlebars
Cloning into '/var/lib/mock/f41-build-810608-146829/root/chroot_tmpdir/scmroot/rust-handlebars'...
$ git fetch origin fe7d038369148464e3b6db7de135f30aa2ef8509:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-handlebars
 * [new ref]         fe7d038369148464e3b6db7de135f30aa2ef8509 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fe7d038 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces