1 files changed, 86 insertions, 44 deletions
diff --git a/krebs/5pkgs/simple/fzfmenu/default.nix b/krebs/5pkgs/simple/fzfmenu/default.nix
index 64e95d23..537b90f4 100644
--- a/krebs/5pkgs/simple/fzfmenu/default.nix
+++ b/krebs/5pkgs/simple/fzfmenu/default.nix
@@ -1,55 +1,97 @@
-{ pkgs, ... }:
+with import <stockholm/lib>;
+{ pkgs, ... }@args:
+
+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
-  PROMPT=">"
-  for i in "$@"
-  do
-  case $i in
+
+  # Spawn terminal if called without one, like e.g. from a window manager.
+  if [ -z ''${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
-      shift
-      break
-      ;;
+        PROMPT=$2
+        shift 2
+        break
+        ;;
       -l)
-      # no reason to filter number of lines
-      LINES="$2"
-      shift
-      shift
-      break
-      ;;
+        # no reason to filter number of lines
+        LINES=$2
+        shift 2
+        break
+        ;;
       -i)
-      # we do this anyway
-      shift
-      break
-      ;;
+        # we do this anyway
+        shift
+        break
+        ;;
       *)
-      echo "Unknown option $1" >&2
-      shift
-      ;;
-  esac
+        echo "Unknown option $1" >&2
+        shift
+        ;;
+    esac
   done
-  INPUT=$(${pkgs.coreutils}/bin/cat)
-  OUTPUT="$(${pkgs.coreutils}/bin/mktemp)"
-  if [ -z ''${TERM+x} ]; then #check if we can print fzf in the shell
-    ${pkgs.rxvt_unicode}/bin/urxvt \
-      -name fzfmenu -title fzfmenu \
-      -e ${pkgs.dash}/bin/dash -c \
-        "echo \"$INPUT\" | ${pkgs.fzf}/bin/fzf \
-          --history=/dev/null \
-          --print-query \
-          --prompt=\"$PROMPT\" \
-          --reverse \
-          > \"$OUTPUT\"" 2>/dev/null
-  else
-    echo "$INPUT" | ${pkgs.fzf}/bin/fzf \
+
+  if test -n "''${FZFMENU_FZF_DEFAULT_OPTS-}"; then
+    FZF_DEFAULT_OPTS=''${FZFMENU_FZF_DEFAULT_OPTS-}
+    export FZF_DEFAULT_OPTS
+  fi
+
+  ${pkgs.fzf}/bin/fzf \
       --history=/dev/null \
-      --print-query \
       --prompt="$PROMPT" \
-      --reverse \
-      > "$OUTPUT"
-  fi
-  ${pkgs.coreutils}/bin/tail -1 "$OUTPUT"
-  ${pkgs.coreutils}/bin/rm "$OUTPUT"
+      ${optionalString cfg.reverse "--reverse"} \
+      ${optionalString cfg.printQuery "--print-query"} \
+  ${optionalString cfg.printQuery "| ${pkgs.coreutils}/bin/tail -1"}
 ''