$ git clone -n https://src.fedoraproject.org/rpms/rust-libssh2-sys.git /var/lib/mock/f40-build-2092838-50290/root/chroot_tmpdir/scmroot/rust-libssh2-sys
Cloning into '/var/lib/mock/f40-build-2092838-50290/root/chroot_tmpdir/scmroot/rust-libssh2-sys'...
$ git fetch origin d3f6310690ac124aa9263bd8dc7a528a1126a096:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libssh2-sys
 * [new ref]         d3f6310690ac124aa9263bd8dc7a528a1126a096 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d3f6310 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild