stockholm/krebs/5pkgs/simple/fzfmenu/default.nix
2022-09-27 12:31:14 +02:00

98 lines
2.2 KiB
Nix

{ pkgs, stockholm, ... }@args:
with stockholm.lib;
let
# config cannot be declared in the input attribute set because that would
# cause callPackage to inject the wrong config. Instead, get it from ...
# via args.
config = args.config or {};
cfg = eval.config;
eval = evalModules {
modules = singleton {
_file = toString ./profile.nix;
imports = singleton config;
options = {
appName = mkOption {
default = "fzfmenu";
type = types.label;
};
defaultPrompt = mkOption {
default = ">";
type = types.str;
};
printQuery = mkOption {
default = true;
type = types.bool;
};
reverse = mkOption {
default = true;
type = types.bool;
};
windowTitle = mkOption {
default = "fzfmenu";
type = types.str;
};
};
};
};
in
pkgs.writeDashBin "fzfmenu" ''
set -efu
# Spawn terminal if called without one, like e.g. from a window manager.
if [ -z ''${TERM+x} ]; then
exec 3<&0
exec 4>&1
export FZFMENU_INPUT_FD=3
export FZFMENU_OUTPUT_FD=4
exec ${pkgs.rxvt-unicode}/bin/urxvt \
-name ${cfg.appName} \
-title ${shell.escape cfg.windowTitle} \
-e "$0" "$@"
else
exec 0<&''${FZFMENU_INPUT_FD-0}
exec 1>&''${FZFMENU_OUTPUT_FD-1}
fi
PROMPT=${shell.escape cfg.defaultPrompt}
for i in "$@"; do
case $i in
-p)
PROMPT=$2
shift 2
break
;;
-l)
# no reason to filter number of lines
LINES=$2
shift 2
break
;;
-i)
# we do this anyway
shift
break
;;
*)
echo "Unknown option $1" >&2
shift
;;
esac
done
if test -n "''${FZFMENU_FZF_DEFAULT_OPTS-}"; then
FZF_DEFAULT_OPTS=''${FZFMENU_FZF_DEFAULT_OPTS-}
export FZF_DEFAULT_OPTS
fi
${pkgs.fzf}/bin/fzf \
--history=/dev/null \
--prompt="$PROMPT" \
${optionalString cfg.reverse "--reverse"} \
${optionalString cfg.printQuery "--print-query"} \
${optionalString cfg.printQuery "| ${pkgs.coreutils}/bin/tail -1"}
''