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{ writeExecline, getBins, pkgs }:
let
bins = getBins pkgs.rlwrap [ "rlwrap" ]
// getBins pkgs.s6-portable-utils [ { use = "s6-cat"; as = "cat"; } "s6-test" ]
// getBins pkgs.execline [ "execlineb" ];
# minimal execline shell
shell =
let
prompt = [ "if" [ "printf" ''\e[0;33me>\e[0m '' ] ];
in
writeExecline "execline-shell" {} ([
bins.rlwrap
"--remember"
"--quote-characters" "\""
"--complete-filenames"
"--ansi-colour-aware"
] ++ prompt ++ [
"forstdin" "-d\n" "cmd"
"importas" "cmd" "cmd"
"foreground" [ bins.execlineb "-Pc" "$cmd" ]
] ++ prompt);
# TODO: should definitely still pass a command line to rlwrap, because then it keeps the history!
e = writeExecline "e" { argMode = "env"; } [
# if there is no argument, we start the shell, else we call execlineb directly
"ifelse" [ "importas" "#" "#" bins.s6-test "$#" "=" "0" ]
[ shell ]
# call execlineb with the arguments as script
"backtick" "-i" "cmd" [ "dollarat" "-d" " " ]
"importas" "-ui" "cmd" "cmd"
bins.execlineb "-Pc" "$cmd"
];
in { inherit e; }
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