$ git clone -n https://src.fedoraproject.org/rpms/rust-libssh2-sys.git /var/lib/mock/f40-build-2652990-66897/root/chroot_tmpdir/scmroot/rust-libssh2-sys
Cloning into '/var/lib/mock/f40-build-2652990-66897/root/chroot_tmpdir/scmroot/rust-libssh2-sys'...
$ git fetch origin acc2850f83c195220e06f66578962cc7b5ee21db:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libssh2-sys
 * [new ref]         acc2850f83c195220e06f66578962cc7b5ee21db -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at acc2850 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild